Spark Plugs

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 4/20/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, D21, Copper Plus, 18mm Thread, .500 in. Reach, Gasket seat, Each

Part Number: CPN-502

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Resistor, Platinum Tip, Platinum Core, 18mm Thread Size, 0.813 in. Reach, Gasket Seat, Each

Part Number: CPN-225

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 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 4/20/2026 if shipped by air

• $25 Summit Bucks

USE AUP 373

Part Number: CPN-506

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Platinum Power, Gasket Seat, 18mm Thread, 0.813 in. Reach, Resistor, Each

Part Number: CPN-229

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• $25 Summit Bucks