862837T Aftermarket Mercruiser Transmission Cooler | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Mercruiser Transmission Cooler - Replacement Part Number: 862837T

Long transmission oil cooler for high-output MerCruiser V8 installations.

⚙️ Key Features

• Marine-grade shell-and-tube oil cooler

• Designed as a direct replacement for the listed reference numbers

• Helps maintain stable operating temperature under sustained marine load

• Marine connection sizes and mounting points must match the original assembly

• Suitable for professional marine cooling-system service and replacement

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 862837T → Supersedes 807996T

OEM / Related Numbers:

• 862837T

• 807996T

Aftermarket / Verified Equivalents:

• Mr Cool: MRC862837T

• Seakamp: 862837T replacement

• Lenco: 862837T replacement

🚤 Compatibility

Commonly used on:

• Marine-grade shell-and-tube oil cooler systems

Typically suits:

• Engine models:

• 5.7L / 350 MAG

• 6.2L MPI

• 7.4L and 8.2L

• 8.1L / 496 MAG installations

• Body Diameter: 2 in

• Overall Length: approximately 16 in

• Water Connections: 1-1/4 in

• Oil Connections: approximately 1/2 in

🔌 Function

The cooler transfers heat from oil into the raw-water circuit without allowing the fluids to mix.

Common signs of failure:

• Oil or steering-fluid temperature rises above normal

• Loss of pressure or reduced transmission/steering performance as oil heats

• Oil sheen at the exhaust outlet or cross-contamination

• External leakage from fittings, seams or tube ends

• Restricted seawater flow, corrosion or internal tube failure

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging