GMC SIERRA 2500 HD Spark Plugs & Glow Plugs

Spark Plug, Single Platinum, Platinum, 14mm Thread, 0.679 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-AP5245

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Estimated Ship Date: Today

Spark Plug, Iridium, Tapered Seat, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-9402

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Estimated Ship Date: Today

Glow Plug Straps, GM, Pickup, Duramax Diesel, Pair

Part Number: RNB-904-109

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Estimated Ship Date: Feb 18, 2026 if ordered today

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• Special Order

Spark Plug, Double Platinum, Tapered, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-7015

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Estimated Ship Date: Today