85152T Aftermarket Mercruiser Oil & Power Steering Cooler | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Mercruiser Oil & Power Steering Cooler - Replacement Part Number: 85152T

Tandem engine-oil and power-steering-fluid cooler for high-output MerCruiser V8 engines.

⚙️ Key Features

• Marine-grade tandem shell-and-tube 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:

• 85152T (primary tandem-cooler reference)

• 806428T is a related variant with different engine-oil fittings

OEM / Related Numbers:

• 85152T

• 806428T

Aftermarket / Verified Equivalents:

• Mr Cool: MRC85152T

• Seakamp: 85152T replacement

• Lenco: 85152T replacement

🚤 Compatibility

Commonly used on:

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

Typically suits:

• Engine models:

• MerCruiser 425 V8 approximately 1990-1993

• MerCruiser 454 MAG Bravo approximately 1988-1992

• Overall Length: 17 in

• Bundle Length: 13-1/4 in

• Body Diameter: 2 in

• Water Connections: 1-1/4 in

• Engine-Oil Connections: 1/2 in NPT

• Power-Steering Connections: 3/8 in push-on

🔌 Function

The tandem cooler uses separate oil passages and a common seawater circuit to control two fluid systems.

Common signs of failure:

• One or both fluid circuits run hotter than normal

• Pressure or performance falls as the oil heats

• Oil sheen or cross-contamination appears

• External leakage develops around fittings or seams

• Restricted seawater flow or internal tube failure

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging