MERCURY COUGAR Spark Plugs

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .984 in. Reach, Resistor, Each

Part Number: NGK-4344

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Spark Plug, Iridium IX, Tapered Seat, 18mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7510

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .807 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7316

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each

Part Number: ATL-XP24

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Spark Plug, XP, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Non-resistor, Each

Part Number: ATL-XP104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

USE NIP 4713

Part Number: NGK-97287

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Double Iridium, 14mm Thread, 17.5mm Reach, Tapered Seat, Each

Part Number: BCH-9660

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Double Platinum, 18mm Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-7740

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, OE Iridium, Resistor, Each

Part Number: BCH-9606

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Spark Plug, Laser Platinum, Tapered Seat, 14mm Thread, .984 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2467

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Special Order

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .709 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7243

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Special Order