842240 / 842241 Aftermarket Twin Disc/Volvo Penta MG502 Transmission Gear Oil Cooler | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Twin Disc/Volvo Penta MG502 Transmission Gear Oil Cooler - Replacement Part Number: 842240 / 842241

Complete Volvo Penta/Twin Disc MG502 gear-oil cooler family with sender fitting.

⚙️ 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:

• 842240 complete assembly

• 842241 cooler housing

• 826937 cooler insert

OEM / Related Numbers:

• 842240

• 842241

• 826937

Aftermarket / Verified Equivalents:

• Mr Cool: MG502 replacement cooler

• Lenco: MG502 replacement cooler

🚤 Compatibility

Commonly used on:

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

Typically suits:

• Engine models:

• AD40B

• AQAD40A and AQAD40B

• AQD40A

• MD40A

• TMD40A/B/C

• TAMD40A/B

• TAMD60A/B

• Transmission Type: Twin Disc MG502

• Application Note: TAMD60C MG507/Borg Warner installations use a different cooler

🔌 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