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If you’ve watched your oil temperatures climb on long grades, heavy towing, or mountain passes, you already know the factory OM642 cooling system has limits. The Jakes Fabworks High Flow Oil Cooler Kit is engineered specifically for the Mercedes Sprinter 3.0L OM642 diesel to provide the additional thermal capacity your engine demands under sustained load.
The OM642 relies heavily on engine oil to cool the turbocharger and pistons. During extended pulls, exhaust heat transfers into the turbo housing and oil supply, piston oil squirters add additional thermal load, and the factory coolant-to-oil heat exchanger becomes saturated. When both systems are heat-soaked, oil temperatures can exceed 240–250°F — even when coolant temperatures appear normal.
This dedicated external oil cooler bypasses the factory bottleneck and adds direct airflow heat rejection, lowering equilibrium oil temperatures by approximately 20–40°F. Cooler oil maintains stable viscosity, reduces thermal breakdown, and protects critical components like turbo bearings and internal engine surfaces.
Designed to integrate cleanly with the OEM oil filter housing, this kit installs inline without complex modifications. Whether you’re running a heavy RV conversion, cargo build, fleet vehicle, or regularly towing, this upgrade adds critical protection and reliability for long-term engine health.
Availability: This product is currently available for pre-order. Due to high demand, estimated ship time is 2–3 weeks from order placement.
We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.
If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.
We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.
Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.
Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.
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