The Mercruiser 861156a1 is a marine water pump designed for inboard engines. It ensures efficient cooling by circulating water through the engine system. This pump is known for its durability and reliable performance in marine environments.

The Mercruiser 861156a1 Marine Pump specifications include:

Size: Standard OEM replacement size for Mercruiser applications

Grade: Marine-grade pump designed for saltwater and freshwater use

Viscosity: Compatible with SAE 30, 10W-30, or 15W-40 marine engine oils

Buoyancy: Not applicable (non-floating mechanical pump)

Material: High-strength cast aluminum housing with stainless steel components

Impeller Material: Neoprene or nitrile rubber (varies by model)

Rotation: Clockwise (standard rotation for Mercruiser applications)

Mounting: Direct bolt-on replacement for compatible Mercruiser engines

Seals: Viton or equivalent high-temperature marine-grade seals