CARMOCAR Raw Sea Water Impeller Pump for Mercruiser Bravo — 46-807151A9, Pre-assembled Impeller & Serpentine Pulley

CARMOCAR's Raw Sea Water Impeller Pump 46-807151A9 is a direct replacement sea water pump designed to fit Mercruiser Bravo and compatible V6/V8 engines, supplied complete with impeller and serpentine pulley installed.

This replacement pump is engineered to restore reliable raw-water cooling for Mercruiser Bravo marine engines from 1996 onward that use a serpentine belt. Built from durable materials for extended service life, it swaps in for OE part numbers 46-807151A 9, 46-807151A9, and 46-72774A86 and covers 4.3L, 5.0L, 5.7L, 6.2L, 7.4L and 8.2L V6 and V8 applications. The unit ships pre-assembled with the impeller and pulley to simplify installation, and CARMOCAR offers a one-year customer-support period to address fitment or performance questions.

How does this pump match my Mercruiser Bravo engine?

The pump is made as a direct-fit replacement for the specified OE part numbers and model years that use a serpentine belt. It is compatible with a wide range of V6 and V8 Mercruiser displacements commonly used in Bravo sterndrive setups. Double-check your engine’s OE number and model year against the listing images before ordering to ensure correct fit.

• Replaces OE: 46-807151A 9, 46-807151A9, 46-72774A86
• Fits Mercruiser Bravo 1996 and later with serpentine belt
• Compatible with 4.3L–8.2L V6/V8 engines
• Ships with impeller and serpentine pulley pre-installed

What makes this pump durable and reliable?

The assembly uses robust materials and precision manufacturing to resist wear in a harsh marine environment. The design focuses on maintaining impeller sealing and pulley alignment to keep raw-water flow steady under load. Regular inspection and replacement of the impeller at service intervals will help maximize pump life.

• Sturdy cast housing and corrosion-resistant components
• Factory-installed impeller for correct seating and sealing
• Serpentine pulley pre-mounted to save installation time
• Built to meet typical marine cooling system tolerances

How difficult is installation and what should I check first?

Installation is straightforward for someone familiar with marine engine service: remove the old pump, transfer hoses and fittings as needed, then bolt the replacement in place. Because the pulley and impeller come pre-installed, the most common tasks are gasket replacement and verifying belt tension. Always inspect the mating surfaces and hoses for wear and confirm correct rotation and shaft alignment before starting the engine.

• Pre-assembled unit reduces install steps
• Replace gaskets and seals during installation
• Verify serpentine belt routing and tension after fitment
• Check for leaks and proper flow on first run

What support and warranty come with the pump?

CARMOCAR provides a one-year customer service period for this sea water pump to help resolve fitment, defects, or shipping issues. If you have questions during installation or notice problems in use, contact CARMOCAR for assistance; they commit to responding within 24 hours. Always confirm the product images and OE numbers before purchase to reduce the chance of ordering the wrong part.

• One-year customer service coverage
• 24-hour response commitment for inquiries
• Advice available for fitment and troubleshooting
• Return/exchange processes follow seller policies

Who is this for: Boat owners, marine mechanics, and service yards seeking a drop-in replacement sea water pump for Mercruiser Bravo sterndrive engines (1996 and later) that use a serpentine belt. It’s intended for anyone who wants a ready-to-install pump supplied with impeller and pulley already mounted, backed by a one-year support window for peace of mind during fitment and initial use.