Part Number: 603-41110
AC Delco 41-110 Iridium Spark Plug
The AC Delco 41-110 Iridium Spark Plug is a premium OEM ignition component engineered for today's high-performance marine engines. Featuring advanced iridium electrode technology, this spark plug delivers exceptional durability, reliable spark generation, and long-lasting performance under demanding boating conditions.
Designed to provide efficient combustion and consistent ignition, the 41-110 helps improve engine starting, throttle response, fuel economy, and overall power delivery. Its fine-wire iridium center electrode requires less voltage to fire while maintaining a precise spark gap over an extended service life, making it an excellent choice for modern fuel-injected marine engines.
Whether you're performing scheduled maintenance or replacing worn ignition components, the AC Delco 41-110 helps restore factory-level performance and reliability so you can spend more time on the water and less time in the shop.
Common Engine Applications
The AC Delco 41-110 spark plug is commonly used in GM Gen V and direct-injected marine engines, including:
- Indmar Raptor 6.2L
- Indmar Raptor 6.2L HO
- Indmar Raptor 6.2L Supercharged
- PCM ZZ5 5.3L Direct Injection
- PCM ZZ6 6.0L Direct Injection
- PCM ZZ8 6.2L Direct Injection
- Ilmor 5700 GDI
- Ilmor 6000 GDI
- Ilmor 6200 GDI
- MerCruiser 6.2L MPI
- MerCruiser 8.2 MAG
- Volvo Penta V8-300
- Volvo Penta V8-350
- Volvo Penta V8-380
- Volvo Penta V8-430
Common Boat Fitments
These engines are frequently found in many of today's premium inboard wake, surf, and ski boats, including:
Supra
- Supra SA
- Supra SL
- Supra SE
- Supra SR
Moomba
- Moomba Mojo
- Moomba Kaiyen
- Moomba Makai
- Moomba Max
- Moomba Craz
MasterCraft
- MasterCraft X22
- MasterCraft X24
- MasterCraft XT21
- MasterCraft XT22
- MasterCraft XT23
- MasterCraft NXT22
- MasterCraft NXT24
Nautique
- Super Air Nautique G21
- Super Air Nautique G23
- Super Air Nautique G25
- Nautique S21
- Nautique S23
- Ski Nautique
Malibu
- Malibu Wakesetter 22 LSV
- Malibu Wakesetter 23 LSV
- Malibu Wakesetter 25 LSV
- Malibu M220
- Malibu M240
Centurion
- Centurion Ri230
- Centurion Ri245
- Centurion Fi23
- Centurion Fi25
Features
- Genuine AC Delco 41-110 iridium spark plug
- Long-life iridium electrode design
- Engineered for modern fuel-injected marine engines
- Delivers consistent ignition performance
- Helps improve fuel efficiency and throttle response
- Excellent resistance to wear and fouling
- OEM-quality fit and reliability
Benefits of Iridium Technology
Iridium spark plugs are designed to outperform conventional spark plugs by providing a stronger, more consistent spark while maintaining performance over longer service intervals. The result is improved engine efficiency, reduced maintenance requirements, and dependable operation throughout the boating season.
For owners of Supra, Moomba, MasterCraft, Nautique, Malibu, Centurion, and other boats powered by modern GM-based marine engines, the AC Delco 41-110 Iridium Spark Plug delivers the performance and durability needed to keep your engine operating at its best.