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OE Quality
60-Day Returns
NGKPart #: 6629
NGK 6629 Spark Plug
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$18.43Free 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
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? See all Spark Plug options
NGK 6629 Spark Plug
| Brand | NGK |
|---|---|
| Part Number | 6629 |
| Resistance | 1 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Stud |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .036 |
| Ground Electrode Quantity | 1 |
| Hex Size | 18 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 9 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 12.00 |
| Part Number | Dp9ea-9 |
| Stock Number | 6629 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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:
09482-0032841084152662990890-7806892070-106798069-59911A5YCAR4152B12YCX27EP-U9
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.