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OE Quality
60-Day Returns
NGKPart #: 7321
NGK 7321 Spark Plug
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$17.07Free 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 7321 Spark Plug
| Brand | NGK |
|---|---|
| Part Number | 7321 |
| Resistance | 1 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .028 |
| Ground Electrode Quantity | 1 |
| Hex Size | 3/4 |
| Insulator Height | 40.00 |
| Manufacturer Heat Range | 7 |
| Seat Type | Flat |
| Reach | .375 |
| Thread Diameter | 14.00 |
| Part Number | Bpm7a |
| Stock Number | 7321 |
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:
018-11610-210168588-729742974DP6027604973217544754577-30077-31177-4007812858858-1858S90793-2009092070-2102A22NXCJ6YL7TCT07900032W22MP-UW22MPUSWS5FWS7F
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.