Part Number: 756343

Indmar 756343 Coil Assembly HVS w/ Module
Restore dependable ignition performance with the Indmar 756343 Coil Assy HVS w/Module. Designed as a genuine OEM replacement, this high-voltage suppression (HVS) ignition coil assembly delivers the spark energy needed for smooth starts, reliable combustion, and consistent engine performance in demanding marine environments.
The ignition coil and module are critical components of the marine ignition system, controlling spark generation and timing for efficient engine operation. Over time, heat, vibration, and moisture exposure can weaken ignition components, leading to hard starting, rough idle, engine hesitation, misfires, or reduced power under load. Replacing worn ignition parts helps restore proper spark delivery and maintain dependable on-water reliability.
Manufactured to Indmar factory specifications, the 756343 HVS coil assembly is built using marine-grade materials designed to resist heat, moisture, and electrical interference. The integrated ignition module helps provide accurate signal control and reliable ignition system performance under varying operating conditions.
Common Engine & Boat Fitments
The Indmar 756343 Coil Assy HVS w/Module is commonly used on select Indmar marine engines, including:
- Indmar Assault 5.7L
- Indmar Monsoon 325
- Indmar Monsoon 340
- Indmar Assault 325
- Indmar 5.0L MPI
- Indmar 5.7L MPI
- Select Indmar 6.0L applications with HVS ignition systems
These engines are frequently found in:
Supra Models
- Supra Launch 20SSV
- Supra Launch 21V
- Supra Sunsport 22V
- Supra SA
- Supra 22SSV
Moomba Models
- Moomba Mobius LSV
- Moomba Mobius XLV
- Moomba Mojo
- Moomba Outback
- Moomba Craz
Additional applications may include Malibu and MasterCraft boats equipped with compatible Indmar engine packages.
The 756343 ignition coil assembly is commonly used in HVS marine ignition systems where strong spark delivery and dependable ignition timing are essential for smooth engine operation and consistent power output.
Fitment may vary depending on engine serial number and ignition system configuration, so confirming compatibility with part number 756343 before ordering is recommended.
Key Features
- Genuine Indmar OEM HVS ignition coil assembly
- Includes integrated ignition module
- Designed for reliable marine ignition system performance
- High-voltage suppression design helps reduce electrical interference
- Marine-grade construction for durability and moisture resistance
- Supports smooth starts, throttle response, and efficient combustion
- Direct-fit replacement for straightforward installation
Why Replace an Ignition Coil Assembly?
A failing ignition coil or module can create inconsistent spark delivery, engine misfires, poor throttle response, and reduced overall performance. Replacing worn ignition components helps maintain reliable starts and dependable engine operation throughout the boating season.
If you’re servicing an Indmar-powered Supra, Moomba, Malibu, or MasterCraft, the 756343 Coil Assy HVS w/Module delivers the OEM-quality fit and ignition performance your engine depends on.