High-Performance Replacement for Boat, Lawn Mower & Powersports Engines – Durable & Reliable Ignition Component 8 Pack GM For ACDelco 41-103 Iridium Spark Plugs 12681663 Mod-N9M-5678

8 Pack GM For ACDelco 41-103 Iridium Spark Plugs 12681663 Other Part Number 12681663; Set of 8 Spark Plugs.; Modified Item No; Fuel Type Gasoline; Interchange Part Number 41-103; Voltage 6 v; Surface Finish Metal; Item Length 3.7in; Superseded Part Number 25337472, 12569190, 12599232, 12598004, 12625058; MPN 41103; MPN 41-103;

• ✔ Trusted Brands You Know – Includes spark plugs from industry-leading names like For Champion, For NGK, ACDelco, For Bosch—quality you can count on.
• ✔ Consistent Ignition & Engine Start – Engineered for reliable cold starts and smooth combustion across a wide range of engines and conditions.
• ✔ Improves Fuel Efficiency – Helps optimize fuel-air mixture ignition for better mileage, reduced emissions, and smoother performance.
• ✔ Built to Last – Manufactured using high-grade materials to withstand heat, vibration, and long-term engine operation.
• ✔ Versatile Applications – Suitable for marine engines, lawn mowers, ATVs, motorcycles, and power equipment—ideal for maintenance or upgrades.