3827201 Aftermarket Volvo Penta TAMD71/TAMD74/TAMD75 ZF Transmission Gear Cooler | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Transmission Gear-Oil Cooler - Replaces Part Number: 3827201

New copper-nickel transmission-oil cooler replacing Volvo Penta 3827201 and related service numbers. It is used on TAMD71 through TAMD75 propulsion packages with specified ZF and Twin Disc gearboxes.

⚙️ Key Features

• Direct replacement for Volvo Penta 3827201

• Cross-references later/related Volvo Penta cooler numbers

• Copper-nickel marine tube bundle

• Supports ZF IRM and Twin Disc MG gearbox families

• Original-style oil and seawater port arrangement

🧰 Kit / Assembly Contents

• 1 × Complete transmission-oil cooler - P/N 3827201

• 1 × integrated copper-nickel tube bundle

• Related replaceable cooler insert - Volvo Penta P/N 3828406 where applicable

• Oil seals, water hoses and mounting hardware are renewed separately

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3827988 / 3830503 / 3827889 → Related later service references to 3827201

• 3828406 (related replaceable cooler insert)

OEM / Related Numbers:

• 3827988

• 3830503

• 3827889

• 3828406

Aftermarket / Verified Equivalents:

• Mr Cool: MRC3827201CN

• Lenco: LE3827201

• Seakamp copper-nickel Volvo gear-cooler replacement

🚤 Compatibility

Commonly used on:

• Volvo Penta TAMD propulsion packages with ZF or Twin Disc marine gearboxes

Typically suits:

• Engine / Equipment models:

• TAMD71B

• TAMD73P-A and TAMD73WJ-A

• TAMD74A, A-A, A-B, C-A, C-B, L-A, L-B, P-A and P-B

• TAMD75P-A

• ZF IRM280A2-E/ZF280A-EB, IRM280PL, IRM280IV, IRM301 and ZF IRM302IV

• Twin Disc MG5085A-E and MG5085SC-E

• Output / Engine Rating: Approximately 350HP - 480HP engine family

• Engine / System Type: Inline six-cylinder turbocharged/aftercooled diesel with marine reduction gear

• Year Range: TAMD71-TAMD75 production era

• Serial / Model Identification: Confirm both engine and gearbox serial numbers.

🔌 Function

The cooler transfers heat from transmission or reduction-gear oil into the raw-water circuit. Correct oil temperature protects clutches, bearings, seals and hydraulic control components.

Common signs of failure:

• High transmission or reduction-gear oil temperature

• Burnt, darkened or aerated gear oil

• Delayed engagement, slipping or abnormal gear noise when hot

• Water-contaminated or milky transmission oil

• External oil leakage, corrosion or failed pressure test

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging