46-862914T10 8M0139995 Water Pump for MerCruiser 4.3 5.0 5.7 6.2 All Metal

Product Overview

This all‑metal water pump circulates coolant through your MerCruiser marine engine to prevent overheating. It is a direct replacement for worn or failed pumps on 4.3L, 5.0L, 5.7L, and 6.2L sterndrive models. Installing a new water pump ensures proper engine cooling and extends the life of your powerplant.

Key Features & Performance

• All‑metal construction for maximum durability and heat dissipation
• Includes housing, impeller, and necessary seals for a complete replacement
• Precision‑machined to match OEM specifications
• Corrosion‑resistant design for freshwater and saltwater use
• Direct fit – no modifications required

Fitment & Compatibility

• Compatible with MerCruiser 4.3L, 5.0L, 5.7L, and 6.2L marine engines
• Replaces OEM part numbers 46‑862914T10 and 8M0139995

Common Uses

• Replacing a failing or leaking water pump on MerCruiser sterndrive engines
• Restoring cooling system performance after pump failure
• Performing preventive maintenance during winterization or spring recommissioning
• Upgrading from plastic‑impeller pumps to an all‑metal assembly for longer life

Technical Specifications

• Part Number(s): 46-862914T10, 8M0139995
• Material: All Metal
• Application: MerCruiser Marine Engine

Frequently Asked Questions

Q: Does this pump come with a new gasket? A: It includes the necessary seals and gaskets for installation, but verify your engine’s specific gasket requirements.

Q: Will this work on a MerCruiser 4.3LX? A: Yes, it fits all 4.3L engines that accept OEM part numbers 46‑862914T10 or 8M0139995. Check your old part number to confirm.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.