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Best-Selling Spark Plugs
Top-rated spark plugs from the brands mechanics trust — ready to ship today.
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8 Pack Genuine GM ACDelco R45S Spark Plugs 19362366
$33.77
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8 Pack GM ACDelco #6 RAPIDFIRE Platinum Spark Plugs
$62.77
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Champion 71 Copper Spark Plug 71S 71G RC12YC - 8 Pack
$36.77
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NGK BPR4ES Spark Plug - 4 Pack
$23.77
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NGK 2983 Spark Plugs CR6HSA Spark Plug - 2 Pack
$16.77
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8 Pack NGK V-Power 4177 Spark Plugs TR6
$42.77
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2 Pack NGK V-Power 5722 Spark Plugs BR9ES
$16.77
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Champion 828M Marine Spark Plug QL77JC4 - 4 Pack
$30.77
Your Trusted Source for Quality Auto Parts
At TXN Supply Co, we're passionate about keeping your vehicle running at its best. With over 20,000 parts in stock from the brands you trust — NGK, Champion, ACDelco, Motorcraft, and more — we have everything you need to get the job done right.
Free shipping on every order. No minimums. Just great parts at great prices.
Shop All PartsWhat Our Customers Say
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"Fast shipping, great prices!"
Ordered NGK plugs on Monday and they arrived Wednesday. Fit perfectly on my F-150. Will definitely order again!
— James...., Orlando, FL
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"Huge selection, easy to find parts"
Found exactly what I needed for my Chevy Silverado. The search made it easy and the price was better than the auto parts store near me.
— Maria...., Houston, TX
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"My go-to for auto parts"
I've ordered from TXN Supply Co three times now. ACDelco filters, Champion spark plugs — always OEM quality, always fast. Highly recommend.
— Tom W...., Cupertino, CA
From the Auto Parts Blog
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September 28, 2026
Best Spark Plugs for Volkswagen Jetta: Complete Guide
Best spark plugs for a Volkswagen Jetta still means the correct catalog number for that year and engine. Brand preference only matters after Volkswagen Jetta fitment is locked.
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September 27, 2026
Best Spark Plugs for Subaru Forester: Complete Guide
Best spark plugs for a Subaru Forester still means the correct catalog number for that year and engine. Brand preference only matters after Subaru Forester fitment is locked.
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September 26, 2026
Best Spark Plugs for Ram 2500: Complete Guide
Best spark plugs for a Ram 2500 still means the correct catalog number for that year and engine. Brand preference only matters after Ram 2500 fitment is locked. Iridium is typical