This Pro Marine Fuel Pressure Regulator is engineered to restore optimal fuel delivery and consistent PSI to Mercruiser high-output engines. It is a direct-fit replacement designed for 8.1L 496 MAG H.O. and 502 MAG MPI engines, ensuring smooth performance, proper injector function, and reliable throttle response under all operating conditions.
Product Features
- Direct-replacement fuel pressure regulator for multiple Mercruiser big-block applications
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Fits the following engines:
- Mercruiser 8.1L 496 MAG H.O.
- Mercruiser 502 MAG MPI (375–425 HP)
- Helps maintain correct fuel rail pressure for optimal combustion
- Supports stable idle, clean acceleration, and consistent top-end performance
- High-quality construction suitable for demanding marine environments
Manufacturer Item: 892681
Brand: Pro Marine
Additional Information
This regulator is ideal for correcting:
- Hard starting
- Fuel starvation
- Poor acceleration
- Lean running conditions
- Irregular idling
A common maintenance replacement for Mercruiser big-block EFI and MPI engines.
Shipping Information
Flat rate shipping: $7.95 to the lower 48 states.
Additional charges apply for Alaska, Hawaii, and U.S. Territories.
International shipping is calculated after checkout.
A PayPal request will be emailed for any required additional charges.
(Some items may be excluded from international shipping.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com
Please include your engine model or serial number to help confirm proper fitment before ordering.
