Autolite Platinum Spark Plug: Improved Performance & Durability, AP5245
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Chevrolet Silverado 3500 Spark Plugs
12 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
NGK V-Power Nickel Spark Plug (TR5): Enhanced Ignitability & Reliability, 2238
In stock
$5.99
Listed as compatible with this vehicle by the retailer feed.
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NGK V-Power Nickel Spark Plug (TR55): Enhanced Ignitability & Performance, 3951
In stock
$7.49
Listed as compatible with this vehicle by the retailer feed.
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Champion Double Platinum Power Spark Plug RS14PMPB5 - Enhanced Durability & Performance, 7983
In stock
$8.19
Listed as compatible with this vehicle by the retailer feed.
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E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.44
In stock
$8.49
Listed as compatible with this vehicle by the retailer feed.
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Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser-Welded for Precision, AI5245
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, TJ14R-P15, 5071
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Glow Plug, 62G
In stock
$24.49
Listed as compatible with this vehicle by the retailer feed.
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Autolite Diesel Engine Glow Plug: High Intensity Concentrated Heat, Reliable Starts, 1113
In stock
$25.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Diesel Glow Plug Power Distribution Strap, 904-109
In stock
$28.99
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Double Platinum Spark Plug, 41-983
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5245
Out of stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.