5114A Aftermarket Twin Disc Transmission Cooler | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Twin Disc Transmission Cooler - Replacement Part Number: 5114A

Heavy-duty baffled transmission oil cooler for Twin Disc marine gear 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:

• 5114A (primary reference)

OEM / Related Numbers:

• 5114A

• MRC5114A

Aftermarket / Verified Equivalents:

• Mr Cool: MRC5114A

🚤 Compatibility

Commonly used on:

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

Typically suits:

• Engine models:

• Twin Disc marine transmissions originally fitted with cooler 5114A

• Body Diameter: 4 in

• Bundle Length: 8 in

• Overall Length: 12-1/2 in

• Water Connections: 2 in NPT

• Oil Connections: 1/2 in NPT

• Working Pressure: approximately 475 PSI

🔌 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