6CXH-OTE Aftermarket ZF Transmission/Gear Oil Cooler | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket ZF Transmission/Gear Oil Cooler - Replacement Part Number: 6CXH-OTE

Copper-nickel gear-oil cooler for high-output ZF marine transmission 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:

• 6CXH-OTE (primary reference)

OEM / Related Numbers:

• 6CXH-OTE

• MRC6CXH-OTE

Aftermarket / Verified Equivalents:

• Mr Cool: MRC6CXH-OTE

🚤 Compatibility

Commonly used on:

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

Typically suits:

• Engine models:

• ZF220 and ZF220A

• ZF260

• ZF280 and ZF280-1

• Cummins 6CTA 8.3 400-480HP installations

• Yanmar 6CXH-OTE installations

• Body Diameter: 3 in

• Bundle Length: 12 in

• Overall Length: 18 in

• Seawater Connections: 1-3/4 in

• Oil Connections: 3/8 in NPT

🔌 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