E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.66
In stock
$8.49
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Dodge Ram 1500 Spark Plugs
66 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
NGK G-Power Spark Plug (ZFR5FGP): Enhanced Durability & Fuel Efficiency, 7098
In stock
$8.99
Listed as compatible with this vehicle by the retailer feed.
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Champion Double Platinum Power Spark Plug RC12PMPB4 - Enhanced Durability & Performance, 7318
In stock
$9.99
Listed as compatible with this vehicle by the retailer feed.
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Champion Double Platinum Power Spark Plug RC10PLPB4 - Enhanced Durability & Performance, 7436
In stock
$9.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9604
In stock
$10.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK16L, 5357
In stock
$10.49
Listed as compatible with this vehicle by the retailer feed.
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Champion Iridium Spark Plug RE14WMPB5 - Maximum Performance & Longevity, 9403
In stock
$10.49
Listed as compatible with this vehicle by the retailer feed.
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NGK G-Power Spark Plug (LZTR4AGP): Enhanced Durability & Efficiency, 5017
In stock
$10.99
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Double Platinum Spark Plug, 41-834
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Double Platinum Spark Plug, 41-806
In stock
$11.49
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 Optimum Performance, AI5263
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, XP3923
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, XP5224
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, XP5263
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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Champion Iridium Spark Plug RC12WMPB4 - Maximum Performance & Longevity, 9202
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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Champion Iridium Spark Plug RC10WMPB4 - Maximum Performance & Longevity, 9002
In stock
$11.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PKJ20CR-L11, 3247
In stock
$13.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PKJ16CR-L11, 3246
In stock
$13.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20L, 5358
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT, 4702
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK16TT, 4701
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Iridium IX Spark Plug: Outstanding Acceleration & High Durability, 2477
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Iridium IX Spark Plug (ZFR6FIX-11): Extreme Ignitability & Durability, 6441
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Iridium IX Spark Plug (LZTR4AIX-11): Outstanding Acceleration & Durability, 2313
In stock
$14.99
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.