GMC Spark Plugs

Spark Plug, RJ12YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, GM, Jeep, Mopar, International, Each

Part Number: CPN-14

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RN12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-404

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-4713

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, RN14YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-405

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RV12YC, Copper Plus, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-406

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RE14MCC4, Copper Plus, 14mm Thread, 1 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-570

4.81 out of 5 stars ( 26 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Platinum Power, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-3018

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RJ14YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, Each

Part Number: CPN-63

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RV15YC4, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-18

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Platinum Power, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-3405

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: DNP-4719

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, Iridium, Iridium, 14mm Thread, 0.689 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9405

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Iridium Power, ITF16, 14mm Thread, 11.60mm Reach, Tapered Seat, Universal, Each

Part Number: DNP-5330

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, Double Platinum, Tapered, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-7018

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, J12YC, Copper Plus, Gasket Seat, 14mm Thread, .380 in. Reach, Non-Resistor, Each,

Part Number: CPN-10

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RS12YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-401

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RN9YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RV17YC, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-25

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RJ18YC, Copper Plus, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-58

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Copper Plus, 14mm Thread Size, 0.375 in. Reach, 8 Heat Range, Each

Part Number: CPN-841

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Platinum Power, Tapered Seat, 14mm Thread, 1.00 in. Reach, Resistor, Buick, Cadillac, Chevrolet, Chrysler, Dodge, GMC, Jeep, Each

Part Number: CPN-3570

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Platinum Power, 14mm Thread, .708 in. Reach, Resistor, Buick, Chevy, Oldsmobile, Isuzu, GMC, Each

Part Number: CPN-3015

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plugs, Platinum TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-4511

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, RV8C, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Chevy, Each

Part Number: CPN-121

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks