3586705 Aftermarket Volvo Penta Heat Exchanger | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Engine Heat Exchanger - Replaces Part Number: 3586705

New copper-nickel replacement heat exchanger for Volvo Penta 3586705. It supersedes 861082 and is used across numerous 41-, 42-, 43-, 44- and KAD300 six-cylinder diesel variants.

⚙️ Key Features

• Direct replacement for Volvo Penta 3586705

• Supersedes Volvo Penta 861082

• Copper-nickel tube bundle

• One-inch end-cap family using 861308 where specified

• Broad 41/42/43/44/KAD300 application coverage

🧰 Kit / Assembly Contents

• 1 × Complete heat exchanger assembly - P/N 3586705

• 2 × end caps - Volvo Penta P/N 861308 where specified

• 2 × O-rings - Volvo Penta P/N 925027 where specified

• Sealing strip - Volvo Penta P/N 860127 where specified

• Related gasket P/N 964106, screw P/N 963567 and plug P/N 861551 as required

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3586705 → Supersedes 861082

• 081519 (related earlier/catalogue reference on specified installations)

OEM / Related Numbers:

• 861082

• 081519

• 861308

• 925027

• 860127

• 964106

• 963567

• 861551

Aftermarket / Verified Equivalents:

• Mr Cool: MRC3586705CN

• Lenco: LE3586705

• Seakamp copper-nickel replacement for 3586705

🚤 Compatibility

Commonly used on:

• Volvo Penta six-cylinder closed-cooled marine diesel engines

Typically suits:

• Engine / Equipment models:

• AQAD41A, TAMD41A/B/D/H/P-A and TMD41A

• KAMD42A/B

• KAD43P and KAD43P-A; KAMD43P and KAMD43P-A

• KAD44P/B/C and KAMD44P/A/B/C

• KAD300 and KAD300-A

• Output / Engine Rating: Approximately 150HP - 285HP

• Engine / System Type: Inline six-cylinder turbocharged/aftercooled marine diesel engine

• Year Range: 41-series through KAD300 production; serial-dependent

• Serial / Model Identification: Confirm one-inch end-cap configuration; 3586706/3580866 use a different 1.25-inch end-cap family.

🔌 Function

The heat exchanger transfers engine or generator coolant heat into the raw-water circuit while keeping the two fluids separated. This maintains the correct closed-circuit operating temperature and protects the engine from direct seawater circulation.

Common signs of failure:

• Engine or generator overheating under sustained load

• Coolant loss without an obvious external hose leak

• Saltwater and coolant cross-contamination

• Restricted raw-water discharge or uneven end-cap temperature

• Corrosion, green staining, cracked solder joints or pressure-test failure

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging