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2003 Dodge Ram 3500 - Spark Plugs

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Autolite Iridium Ultra Spark Plug - AI5224

Part #:: AI5224
Line:: ATO

Limited Lifetime Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 9

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Autolite Iridium XP Spark Plug - XP5224

Part #:: XP5224
Line:: ATO

Limited Lifetime Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 9

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Bosch Fine Wire Double Iridium Spark Plug - 9654

Part #:: 9654
Line:: BOS

7 Year Limited Warranty

Seat: Tapered

Thread Size: M14

Heat Range: 9

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Autolite Double Platinum Spark Plug - APP5224

Part #:: APP5224
Line:: ATO

5 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 9

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Bosch Double Platinum Spark Plug - 8161

Part #:: 8161
Line:: BOS

1 Year Limited Warranty

Seat: Tapered

Thread Size: M14

Heat Range: 9

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Autolite Platinum Spark Plug - AP5224

Part #:: AP5224
Line:: ATO

4 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 9

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Autolite Copper Core Spark Plug - 5224

Part #:: 5224
Line:: ATO

2 Year LIMITED WARRANTY

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 9

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Champion Copper Plug Number QC9MC4 Spark Plug - 435

Part #:: 435
Line:: CHP

2 Year LIMITED WARRANTY

Seat: Gasket

Thread Size: M14

Heat Range: 9