1948 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 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RF11YC, Copper Plus, 18mm Thread, .460 in. Reach, Resistor, Ford, Mercury, Each

Part Number: CPN-22

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 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 4/13/2026 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 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, D16, Industrial and Agricultural, 18mm Thread, .500 in. Reach, Non-Resistor, Each

Part Number: CPN-516

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Copper Plus, Gasket Seat, Nickel Alloy, 14mm Thread, 0.438 in. Reach, Each

Part Number: CPN-844

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Copper Plus, Nickel Copper Alloy, 14mm Thread, 0.375 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: CPN-871

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Copper Plus, 14mm, Gasket Seat, .375 in. Reach, Projected Tip, Resistor, RJ12C, Each

Part Number: CPN-592

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RL87YC, Copper Plus, Resistor, Projected Tip, Each

Part Number: CPN-327

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Truck, Gasket Seat, 10mm Thread, .250 in. Reach, Projected Tip, Each

Part Number: CPN-842

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Copper Plus, Gasket Seat, 14mm Thread, .500 in. Reach, Each

Part Number: CPN-306

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RN5C, Copper Plus, 14mm Thread, .750 in. Reach, Gasket seat, Resistor, Projected Tip, Each

Part Number: CPN-123

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, UD16, Copper Plus, 18mm Thread, .500 in. Reach, Gasket seat, Each

Part Number: CPN-555

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks

USE AUP 308

Part Number: CPN-592C

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $25 Summit Bucks