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Bosch
OE Fine Wire Double IridiumBosch 9621 Spark Plug
| Brand | Bosch 9621 |
|---|---|
| Center Electrode Core Material | Nickel-Yttrium and Copper |
| Center Electrode Tip Material | Iridium |
| Ground Configuration | Standard |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Tapered |
| Ground Electrode Tip Material | Platinum-Iridium and Nickel-Yttrium |
| Hex Size | 14 |
| Insulator Material | Ceramic |
| Insulator Type | Non-Projected |
| Manufacturer Heat Range | 7 |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark Plug |
| Pre-Gap Size | 1.1 |
| Product Length | 3.293307 in |
| Product Width | 0.669291 in |
| Reach | 26.5 |
| Resistance | 6000 |
| Resistor | Yes |
| Seat Type | Flat |
| Short Style | No |
| Spark Plug Type | 4-Cycle |
| Thread Diameter | 12 |
| Product line | OE Fine Wire Double Iridium |
| Fits | Mazda, Toyota, Scion, and Pontiac · 313 vehicles |
OE fine wire design. Delivers strong ignitability and long service life.
Double iridium construction. Uses iridium alloy electrodes for lasting performance.
Tapered ground electrode. Helps improve spark efficiency and high performance.
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Bosch OE Fine Wire Double Iridium Spark Plug 9621
Bosch 9621 is an OE Fine Wire Double Iridium spark plug built for direct ignition performance and extended service life. Its ultra-fine wire center electrode, laser-welded ground electrode, and tapered tip design support consistent ignitability in modern engines.
Compatible With select Mazda, Nissan, and INFINITI applications, this Bosch spark plug is engineered for vehicles that call for a preset-gap iridium design. It is a strong match for drivers searching for Bosch 9621 spark plug replacement for Mazda 3, Nissan Altima, or INFINITI QX60 applications.
Key Features
- OE Fine Wire Double Iridium design for performance-focused ignition systems
- Iridium center electrode firing pin for durable spark delivery
- Laser-welded ground electrode with iridium alloy inlay
- Tapered ground electrode tip for improved ignitability
- Resistor spark plug with 6000 resistance
- Preset 1.1 mm gap; do not gap on applications marked preset
- Flat seat, 12 mm thread diameter, 14 mm hex size
- 4-cycle spark plug construction with ceramic insulator
Product Details
Bosch OE Fine Wire Double Iridium line focuses on precise spark control and long wear characteristics. The fine-wire iridium center electrode and laser-welded ground electrode help maintain stable ignition performance under demanding operating conditions, while the nickel-ytttrium and copper core materials support heat management. This Bosch 9621 spark plug is built for a wide range of late-model and earlier Nissan, Mazda, and INFINITI engines, including applications such as Mazda 3, Mazda CX-5, Nissan Frontier, Nissan Murano, Nissan Pathfinder, INFINITI QX80, and INFINITI QX60.
This part cross-references no listed aftermarket part numbers in the provided data.
Common Symptoms It Can Address
- Rough idle caused by worn spark plug electrodes
- Hard starting from weak or inconsistent spark output
- Misfire codes related to ignition wear
- Reduced throttle response from degraded ignition performance
- Fuel economy loss tied to inefficient combustion
Installation Notes
Verify engine application before installation and match the preset gap specification for the vehicle. Do not re-gap plugs on applications identified as preset-gap in the fitment notes. Confirm flat-seat compatibility, thread diameter, reach, and heat range before service. Use proper spark plug service procedures to avoid thread damage and ensure correct torque during installation.
Quality Assurance
Bosch OE Fine Wire Double Iridium spark plugs are built to OE-style specifications for modern ignition systems and are engineered around durable iridium electrode construction and laser-welded assembly methods.
Compatible Vehicles
- Fits 2026 Mazda 3, N/A
- Fits 2021-2024 Mazda 3, N/A
- Fits 2014 Mazda 3, N/A
- Fits 2012 Mazda 3, N/A
- Fits 2025-2026 Mazda CX-70, N/A
- Fits 2024-2026 Mazda CX-90, N/A
- Fits 2020-2026 Nissan Frontier, N/A
- Fits 2025-2026 Nissan Kicks, N/A
- Fits 2025 Mazda 3 Sport, N/A
- Fits 2021-2023 Mazda 3 Sport, N/A
- Fits 2011-2014 Mazda 3 Sport, N/A
- Fits 2020-2025 Mazda MX-5 Miata, N/A
- Fits 2025 Nissan Altima, N/A
- Fits 2007-2022 Nissan Altima, N/A
- Fits 2022-2025 Nissan Pathfinder, N/A
- Fits 2013-2020 Nissan Pathfinder, N/A
- Fits 2025 Nissan Sentra, N/A
- Fits 2020-2022 Nissan Sentra, N/A
- Fits 2022-2024 INFINITI QX60, N/A
- Fits 2014-2020 INFINITI QX60, N/A
- Fits 2014-2024 INFINITI QX80, N/A
- Fits 2022-2024 Mazda CX-5, N/A
- Fits 2013-2016 Mazda CX-5, N/A
- Fits 2023-2024 Mazda CX-50, N/A
- Fits 2017-2024 Nissan Armada, N/A
- Fits 2009-2024 Nissan Murano, N/A
- Fits 2017-2024 Nissan TITAN, N/A
- Fits 2016-2024 Nissan TITAN XD, N/A
- Fits 2022-2023 Mazda CX-30, N/A
- Fits 2016-2023 Nissan Maxima, N/A
- Fits 2009-2014 Nissan Maxima, N/A
- Fits 2014-2021 Mazda 6, N/A
- Fits 2016-2021 Mazda CX-3, N/A
- Fits 2020-2021 Mazda CX-30, N/A
- Fits 2017-2021 Mazda CX-5, N/A
- Fits 2018-2021 Nissan NV2500, N/A
- Fits 2018-2021 Nissan NV3500, N/A
- Fits 2021 Nissan Rogue, N/A
- Fits 2015-2020 Mazda 3, N/A
- Fits 2013 Mazda 3, N/A
- Fits 2015-2020 Mazda 3 Sport, N/A
- Fits 2009-2020 Nissan 370Z, N/A
- Fits 2016-2020 Toyota Yaris, N/A
- Fits 2014-2019 INFINITI Q70, N/A
- Fits 2015-2019 INFINITI Q70L, N/A
- Fits 2016-2019 Mazda MX-5 Miata, N/A
- Fits 2014-2018 INFINITI Q50, N/A
- Fits 2017-2018 Toyota Yaris iA, N/A
- Fits 2014-2017 INFINITI QX50, N/A
- Fits 2014-2017 INFINITI QX70, N/A
- Fits 2011-2017 Nissan Quest, N/A
- Fits 2016 Scion iA, N/A
- Fits 2015 INFINITI Q40, N/A
- Fits 2014-2015 INFINITI Q60, N/A
- Fits 2015 Toyota Corolla, N/A
- Fits 2013 Toyota Corolla, N/A
- Fits 2013 INFINITI EX37, N/A
- Fits 2013 INFINITI FX37, N/A
- Fits 2009-2013 INFINITI FX50, N/A
- Fits 2008-2013 INFINITI G37, N/A
- Fits 2013 INFINITI JX35, N/A
- Fits 2012-2013 INFINITI M35h, N/A
- Fits 2011-2013 INFINITI M37, N/A
- Fits 2011-2013 INFINITI M56, N/A
- Fits 2011-2013 INFINITI QX56, N/A
- Fits 2008-2012 INFINITI EX35, N/A
- Fits 2009-2012 INFINITI FX35, N/A
- Fits 2011-2012 INFINITI G25, N/A
- Fits 2009-2010 INFINITI M35, N/A
- Fits 2009-2010 Pontiac Vibe, N/A
- Fits 2007-2009 Nissan 350Z, N/A
- Fits 2007-2008 INFINITI G35, N/A
This part fits 313 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2026 | Mazda | 3 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2026 | Mazda | CX-70 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2026 | Mazda | CX-90 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2026 | Nissan | Frontier | — | 3.8L | V6 | N/A | OE Fine Wire Double Iridium |
| 2026 | Nissan | Kicks | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2025 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2025 | Mazda | CX-70 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2025 | Mazda | CX-90 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2025 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2025 | Nissan | Altima | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2025 | Nissan | Frontier | — | 3.8L | V6 | N/A | OE Fine Wire Double Iridium |
| 2025 | Nissan | Kicks | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2025 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2025 | Nissan | Sentra | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2024 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2024 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2024 | Mazda | 3 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2024 | Mazda | CX-5 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2024 | Mazda | CX-50 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2024 | Mazda | CX-90 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2024 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2024 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2024 | Nissan | Frontier | — | 3.8L | V6 | N/A | OE Fine Wire Double Iridium |
| 2024 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2024 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2024 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2024 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2023 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2023 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2023 | Mazda | 3 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2023 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2023 | Mazda | CX-30 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2023 | Mazda | CX-5 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2023 | Mazda | CX-50 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2023 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2023 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2023 | Nissan | Frontier | — | 3.8L | V6 | N/A | OE Fine Wire Double Iridium |
| 2023 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2023 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2023 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2023 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2023 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2022 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2022 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2022 | Mazda | 3 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2022 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2022 | Mazda | CX-30 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2022 | Mazda | CX-5 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2022 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | Altima | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | Frontier | — | 3.8L | V6 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | Sentra | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2022 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2021 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2021 | Mazda | 3 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2021 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2021 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2021 | Mazda | CX-3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2021 | Mazda | CX-30 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2021 | Mazda | CX-5 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2021 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | Altima | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | Frontier | — | 3.8L | V6 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | NV2500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | NV3500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | Rogue | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | Sentra | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2021 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2020 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2020 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2020 | Mazda | 3 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2020 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2020 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2020 | Mazda | CX-3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2020 | Mazda | CX-30 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2020 | Mazda | CX-5 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2020 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | 370Z | Nismo | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | Altima | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | Frontier | — | 3.8L | V6 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | NV2500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | NV3500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | Sentra | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2020 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2020 | Toyota | Yaris | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | INFINITI | Q70 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | INFINITI | Q70L | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2019 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | Mazda | 3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Mazda | 3 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Mazda | CX-3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Mazda | CX-5 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2019 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | Altima | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | NV2500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | NV3500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2019 | Toyota | Yaris | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | INFINITI | Q50 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2018 | INFINITI | Q70 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | INFINITI | Q70L | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2018 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | Mazda | 3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Mazda | 3 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Mazda | CX-3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Mazda | CX-5 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | NV2500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | NV3500 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2018 | Toyota | Yaris | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2018 | Toyota | Yaris iA | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | INFINITI | Q50 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | INFINITI | Q70 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2017 | INFINITI | Q70L | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2017 | INFINITI | QX50 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | INFINITI | QX70 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2017 | Mazda | 3 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Mazda | 3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Mazda | CX-3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Mazda | CX-5 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | Armada | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | Quest | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | TITAN | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2017 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2017 | Toyota | Yaris | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2017 | Toyota | Yaris iA | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | INFINITI | Q50 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | INFINITI | Q70 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2016 | INFINITI | Q70L | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2016 | INFINITI | QX50 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | INFINITI | QX70 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2016 | Mazda | 3 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Mazda | 3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Mazda | CX-3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Mazda | CX-5 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2016 | Mazda | MX-5 Miata | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | Nissan | Quest | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2016 | Nissan | TITAN XD | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2016 | Scion | iA | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2016 | Toyota | Yaris | — | 1.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2015 | INFINITI | Q40 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | Q50 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | Q60 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | Q70 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | Q70L | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | QX50 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | QX70 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2015 | Mazda | 3 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2015 | Mazda | 3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2015 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2015 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2015 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2015 | Mazda | CX-5 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2015 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | Nissan | Quest | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2015 | Toyota | Corolla | — | 1.8L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2014 | INFINITI | Q50 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | INFINITI | Q60 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | INFINITI | Q70 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2014 | INFINITI | QX50 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | INFINITI | QX60 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | INFINITI | QX70 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | INFINITI | QX80 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2014 | Mazda | 3 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2014 | Mazda | 3 Sport | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2014 | Mazda | 6 | — | 2.5L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2014 | Mazda | CX-5 | — | 2.5L | L4 | N/A | OE Fine Wire Double Iridium |
| 2014 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2014 | Nissan | Quest | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | EX37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | FX37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | FX50 | — | 5.0L | V8 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | G37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | JX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | M35h | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | M37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | M56 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2013 | INFINITI | QX56 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2013 | Mazda | 3 | — | 2.0L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2013 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2013 | Mazda | CX-5 | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2013 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | Nissan | Pathfinder | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | Nissan | Quest | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2013 | Toyota | Corolla | — | 1.8L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2012 | INFINITI | EX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | FX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | FX50 | — | 5.0L | V8 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | G25 | — | 2.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | G37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | M35h | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | M37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | M56 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2012 | INFINITI | QX56 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2012 | Mazda | 3 | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2012 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2012 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2012 | Nissan | Quest | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | EX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | FX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | FX50 | — | 5.0L | V8 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | G25 | — | 2.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | G37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | M37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | M56 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2011 | INFINITI | QX56 | — | 5.6L | V8 | N/A | OE Fine Wire Double Iridium |
| 2011 | Mazda | 3 Sport | — | 2.0L | L4 | N/A | OE Fine Wire Double Iridium |
| 2011 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2011 | Nissan | Quest | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | INFINITI | EX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | INFINITI | FX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | INFINITI | FX50 | — | 5.0L | V8 | N/A | OE Fine Wire Double Iridium |
| 2010 | INFINITI | G37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | INFINITI | M35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2010 | Pontiac | Vibe | — | 1.8L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2009 | INFINITI | EX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | INFINITI | FX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | INFINITI | FX50 | — | 5.0L | V8 | N/A | OE Fine Wire Double Iridium |
| 2009 | INFINITI | G37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | INFINITI | M35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | Nissan | 350Z | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | Nissan | 370Z | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | Nissan | Maxima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | Nissan | Murano | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2009 | Pontiac | Vibe | — | 1.8L | L4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium |
| 2008 | INFINITI | EX35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2008 | INFINITI | G35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2008 | INFINITI | G37 | — | 3.7L | V6 | N/A | OE Fine Wire Double Iridium |
| 2008 | Nissan | 350Z | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2008 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2007 | INFINITI | G35 | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2007 | Nissan | 350Z | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
| 2007 | Nissan | Altima | — | 3.5L | V6 | N/A | OE Fine Wire Double Iridium |
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