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Bosch FR7NI33 Spark Plug
Overview of Bosch FR7NI33 Spark Plug
The Bosch FR7NI33 spark plug is engineered for reliable ignition performance in select Land Rover, Saab, Subaru, and Volvo models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.
- Part Number: FR7NI33
- Brand Line: OE Fine Wire Iridium
- Resistance: 6000 ohms
- Pre-gap Size: 0.7 mm
- Thread Diameter: 14 mm
- Reach: 26.5 mm
- Hex Size: 16 mm
- Seat Type: Flat
- Manufacturer Heat Range: 7
- Center Electrode Tip Material: Platinum-iridium
- Ground Electrode Tip Material: Platinum-iridium and nickel-yttrium
- Insulator Material: Ceramic
- Spark Plug Type: 4-cycle engines
OE Fine Wire Iridium Product Line Details
The OE Fine Wire Iridium line by Bosch focuses on delivering spark plugs with fine wire electrodes made from durable iridium alloys. This design enhances ignition reliability and longevity, reducing electrode wear and maintaining stable spark performance. The FR7NI33 spark plug benefits from this technology, providing consistent ignition for vehicles requiring precise spark plug specifications.
Technical Description and Features
The Bosch FR7NI33 spark plug features a single ground electrode with a standard tip design and a flat seat type, ensuring proper sealing and fitment. The center electrode core is composed of nickel-yttrium and copper, while the tip combines platinum-iridium for enhanced durability and conductivity. The spark plug includes a 6000 ohm resistor to reduce electrical noise interference. Its ceramic insulator is non-projected, contributing to reliable insulation and heat dissipation. With a manufacturer heat range of 7, this spark plug is suitable for moderate to high operating temperatures.
Compatible Vehicles and Applications
- Land Rover LR2
- Saab 9-2X
- Subaru B9 Tribeca, Baja, Forester, Impreza, Legacy, Outback
- Volvo C30, C70, S40, S60, S80, V50, V70, XC60, XC70, XC90
This spark plug is designed for 4-cycle engines in these models, ensuring proper ignition and engine performance.
Common Issues Addressed by Bosch FR7NI33
- Misfiring or rough idling due to worn spark plugs
- Difficulty starting the engine
- Reduced fuel efficiency from incomplete combustion
- Engine hesitation or power loss under load
- Electrical interference affecting engine sensors
Installation Notes and Tips
When installing the Bosch FR7NI33 spark plug, verify the correct gap of 0.7 mm before installation. Use a torque wrench to tighten the spark plug to manufacturer specifications to avoid damage to the flat seat or threads. Ensure the spark plug threads are clean and free of debris. This spark plug is designed for 14 mm thread diameter and 26.5 mm reach, so confirm compatibility with your vehicleβs engine. Avoid over-tightening to prevent thread stripping.
Quality Assurance and Warranty
Bosch manufactures the FR7NI33 spark plug to meet OE standards, using high-quality materials such as platinum-iridium and ceramic insulators for durability and consistent performance. The inclusion of a resistor helps reduce electrical noise, supporting vehicle electronics. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to ensure reliability in automotive ignition systems.
| Brand | Bosch |
|---|---|
| Part Number | FR7NI33 |
| Position | OE Fine Wire Iridium |
| Cases Per Pallet (ORLY) | 60 |
| Center Electrode Core Material | Nickel-Yttrium and Copper |
| Center Electrode Tip Material | Platinum-Iridium |
| Ground Configuration | Standard |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Ground Electrode Tip Material | Platinum-Iridium and Nickel-Yttrium |
| Hex Size | 16 |
| Insulator Material | Ceramic |
| Insulator Type | Non-Projected |
| Manufacturer Heat Range | 7 |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark Plug |
| Pre-Gap Size | .7 |
| Product Length | 3.295276 in |
| Product Width | 0.748031 in |
| Reach | 26.5 |
| Resistance | 6000 |
| Resistor | Yes |
| Seat Type | Flat |
| Short Style | No |
| Spark Plug Type | 4-Cycle |
| Thread Diameter | 14 |
| Unit(s) per Car Qty (ORLY) | 6 |
This part fits 98 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium |
| 2013 | Volvo | C30 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2013 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2013 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium |
| 2012 | Land Rover | LR2 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2012 | Volvo | C30 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2012 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2012 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium |
| 2011 | Land Rover | LR2 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2011 | Volvo | C30 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2011 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2011 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2011 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium |
| 2011 | Volvo | V50 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Land Rover | LR2 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | C30 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; To Chassis # 134000; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | S80 | 3.0L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | V50 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | V70 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; To Chassis # 134000; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | XC60 | 3.0L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | XC60 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | XC70 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; To Chassis # 94000; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | XC70 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | XC70 | 3.0L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2010 | Volvo | XC90 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Land Rover | LR2 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Subaru | Legacy | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Subaru | Outback | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | C30 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | S60 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | S60 | 2.4L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | S80 | 3.0L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | V50 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | V70 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | XC70 | 3.0L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | XC70 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2009 | Volvo | XC90 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Land Rover | LR2 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Subaru | Forester | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Subaru | Legacy | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Subaru | Outback | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | C30 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | S60 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | S60 | 2.4L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | S80 | 3.0L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | V50 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | V70 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | XC70 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2008 | Volvo | XC90 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Subaru | B9 Tribeca | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Subaru | Forester | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Subaru | Impreza | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Subaru | Outback | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | S60 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | S60 | 2.4L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | S80 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | V50 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | V70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2007 | Volvo | XC90 | 3.2L | L6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Saab | 9-2X | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Subaru | B9 Tribeca | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Subaru | Baja | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Subaru | Forester | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Subaru | Impreza | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Subaru | Outback | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Volvo | C70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Volvo | S60 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Volvo | S60 | 2.4L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Volvo | V50 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2006 | Volvo | V70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Subaru | Baja | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Subaru | Forester | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Subaru | Impreza | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Subaru | Outback | 3.0L | H6 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Volvo | S60 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Volvo | S60 | 2.4L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Volvo | V50 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Volvo | V70 | 2.4L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2005 | Volvo | V70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2004 | Subaru | Baja | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2004 | Subaru | Forester | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2004 | Subaru | Impreza | 2.5L | H4 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2004 | Volvo | S40 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2004 | Volvo | S60 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2004 | Volvo | V70 | 2.5L | L5 | N/A | Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.