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DensoPart #: 3335
Denso 3335 Spark Plug
⚙️ 6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$15.84Free 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
📦Spark Plug - Iridium Long Life
🚗Fitment: Subaru, Legacy and Outback
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Spark Plug options
Denso 3335 Spark Plug
| Brand | Denso |
| Part Number | 3335 |
| Position | Spark Plug - Iridium Long Life |
| Resistance | 5000 |
| Ground Electrode Tip Design | Double platinum chip |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | 1.1 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16.0 |
| Manufacturer Heat Range | 20 |
| Seat Type | Flat |
| Reach | 19.00 |
| Thread Diameter | 14.00 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Subaru | Legacy | N/A | O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life |
| 2012 | Subaru | Outback | N/A | O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life |
| 2011 | Subaru | Legacy | N/A | O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life |
| 2011 | Subaru | Outback | N/A | O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life |
| 2010 | Subaru | Legacy | N/A | O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life |
| 2010 | Subaru | Outback | N/A | O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap; Spark Plug - Iridium Long Life |
* 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:
SK20R-P11
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.