AC Delco® 21 Spark Plug, Sold Individually, RapidFire Performance Platinum Series
Manufacturer #21
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Free Shipping
Free Shipping
Industry-Standard Quality Parts| Label | Value |
|---|---|
| Part | |
| Brand | |
| Notes | 16 mm Hex Size; 2.05 in. Insulator Height; (1) Ground Electrode Quantity; Flat Seat Type |
| Electrode Tip Material | Platinum Electrode Tip |
| Quantity Sold | Sold Individually |
| Warranty | 24-months or unlimited mile AC Delco limited warranty |
| Prop 65 Warning |
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| Promotions | Fuel Saver |
| Gap Size | 0.05 in. |
| Heat Range | 8 |
| Product Fit | Direct Fit |
| Reach | 1.04 in. Reach |
| Series | RapidFire Performance Platinum Series |
| Thread Size | 14 mm Thread Size |
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Return Policy
Not satisfied with your purchase? We offer returns for most items within 30 days of delivery for a refund. Check out our Return Policy for more details.
Warranty Policy
Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.
AC Delco®Spark Plug, Sold Individually, Rapidfire Performance Platinum Series
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90
Fast shipping. Great products
HP
Posted by Heather P. / Tue, Jun 30
It’s been working out good
NF
Posted by Nicole F. / Mon, Jun 22
They arrived fast. The product has improved engine performance.
EW
Posted by Edward W. / Fri, May 29
Shipping was really fast and parts came well packed.
MA
Posted by Mathew A. / Thu, May 28
Ship on time price was well worth it
TM
Posted by Troy M. / Fri, May 15
Showing 1 - 5 of 185 Reviews
Have a question about this product?Ask here. Our team of experts will assist you along with your fellow CarParts.com community members. Please add your vehicle information including year, make, model to better assist you.
Question: Do all spark plugs has to be changed at the same time??Rodney T. / Apr 11, 2023
Hi Rodney, I'm pleased to assist you. Yes, as a general rule, it's better to replace all plugs at the same time to ensure consistent levels of performance. Click the link below to continue ordering at a discounted offer today, while supplies last. I hope this helps. Enjoy your CP shopping experience!
https://www.carparts.com/spark-plug/ac-delco/ac21?can=CPGG4850_CSQA_20230410
GG
Staff
Answered by Grace G. / Tue, Apr 11Showing 1 - 1 of 1 Questions