Quicksilver 46-807151A14 Impeller & Water Pump Housing Service Kit

Restore reliable engine cooling with the Quicksilver 46-807151A14 Impeller & Water Pump Housing Service Kit, designed for compatible 1980–2003 MerCruiser engines with engine-mounted seawater pumps and single flat-sided pump shafts. This complete marine raw water pump service kit replaces worn pump components to help maintain proper cooling water circulation and prevent engine overheating.

Manufactured to meet Mercury Marine OEM specifications, this kit features a durable one-piece, bi-directional pump housing made from a two-step phenolic resin compound. It replaces the older MerCruiser two-piece pump housing design and includes a replacement impeller, plate, O-ring, and mounting hardware. Ideal for repairing worn or grooved pump housings and maintaining dependable MerCruiser engine performance.

Key Features:

• Complete impeller and seawater pump housing replacement kit
• Designed for select 1980–2003 MerCruiser engines
• Compatible with engine-mounted raw water pumps using a single flat-sided shaft
• Upgrades older two-piece pump housings to a one-piece design
• Bi-directional pump housing for compatible applications
• Durable phenolic resin housing construction
• Manufactured to Mercury Marine OEM specifications
• Includes impeller, pump body, plate, O-ring, and attaching hardware

Product Specifications:

• Manufacturer: Quicksilver / Mercury Marine
• Part Number: 46-807151A14
• Product Type: Marine Raw Water Pump Impeller & Housing Service Kit
• Engine Compatibility: Select MerCruiser Engines
• Application Years: 1980–2003
• Pump Type: Engine-Mounted Seawater Pump
• Shaft Type: Single Flat-Sided
• Housing Design: One-Piece, Bi-Directional
• Housing Material: Two-Step Phenolic Resin Compound
• Replacement Type: OEM-Specification Service Kit

Kit Includes:

• 1 Replacement Seawater Pump Housing
• 1 Replacement Impeller
• 1 Pump Plate
• 1 O-Ring Seal
• Attaching Hardware

Important Fitment Note: This kit is designed for compatible MerCruiser engine-mounted seawater pumps with a single flat-sided shaft. Verify your existing pump configuration, shaft design, and engine application before ordering.

Installation Note: Do not overtighten the mounting hardware, as excessive torque can crack the impeller housing. Follow the Mercury Marine service manual for proper installation and torque specifications. Replace the pump housing if it shows excessive wear, grooves, or damage.