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NGKPart #: 91899
NGK 91899 Spark Plug
⚙️ 23 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$25.81Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Laser Iridium High Ignitability Spark Plug
🚗Fitment: Subaru, Crosstrek, Forester, Impreza, Legacy, and Outback
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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NGK 91899 Spark Plug
| Brand | NGK |
| Part Number | 91899 |
| Position | Laser Iridium High Ignitability Spark Plug |
| Resistance | 5000.0 |
| Ground Electrode Tip Design | Dual fine electrode (dfe) - high ignitability |
| Ground Configuration | J-gap |
| 11589 | Metric |
| Ground Electrode Core Material | Nickel |
| Washer Included | Yes |
| Grade Type | Performance |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | .032 |
| Pre-Gap Size | 0.8 |
| Ground Electrode Quantity | 1 |
| Hex Size | 14mm |
| Insulator Height | 2.01 |
| Insulator Height | 51.0 |
| Manufacturer Heat Range | 7 |
| Seat Type | Flat |
| Reach | 1.043 |
| Reach | 26.5 |
| Insulator Material | Ceramic |
| Resistor Type | Yes |
| Skirt Length | 0.0 |
| Thread Size | M12 - 1.25 |
| Ground Electrode Tip Material | Platinum |
| Skirt | No |
| Center Electrode Insulator Tip Projection | 0.16 |
| Center Electrode Insulator Tip Projection | 4.0 |
| Center Electrode Design | Fine wire |
| 9745 | Crush |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Subaru | Crosstrek | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2024 | Subaru | Forester | 2.5L | H4 | N/A | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2024 | Subaru | Impreza | 2.5L | H4 | N/A | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2024 | Subaru | Legacy | 2.5L | H4 | N/A | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2024 | Subaru | Outback | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2023 | Subaru | Crosstrek | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2023 | Subaru | Forester | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2023 | Subaru | Legacy | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2023 | Subaru | Outback | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2022 | Subaru | Crosstrek | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2022 | Subaru | Forester | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2022 | Subaru | Legacy | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2022 | Subaru | Outback | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2021 | Subaru | Crosstrek | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2021 | Subaru | Forester | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2021 | Subaru | Legacy | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2021 | Subaru | Outback | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2020 | Subaru | Crosstrek | 2.0L | H4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2020 | Subaru | Forester | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2020 | Subaru | Legacy | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2020 | Subaru | Outback | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug | |
| 2019 | Subaru | Crosstrek | 2.0L | H4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2019 | Subaru | Forester | 2.5L | H4 | N/A | 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
* 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:
91899DILKAR7Q8
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.