Mishimoto Aluminum Performance Radiator
All-aluminum radiator that ends the plastic-tank failure mode and handles sustained towing heat.
2 application options
All-aluminum construction · 6.7L Cummins
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Stacked-plate cooler · 68RFE and later automatics
Drops converter-out temperature on a towing truck — the single most effective way to make a 68RFE last.
Part number MSH-TC-68RFE
$529.95
Heat is what kills automatic transmissions, and the factory cooler was sized for a stock truck on flat ground. Add a tune and a trailer and it stops keeping up.
A stacked-plate core adds real surface area without blocking the radiator stack. This is one of the first parts we quote for anyone towing heavy with a 6.7L.
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Parts that are commonly ordered together, or that solve the next problem down the line.
Browse the catalogAll-aluminum radiator that ends the plastic-tank failure mode and handles sustained towing heat.
2 application options
All-aluminum construction · 6.7L Cummins
Removes suspended debris from the cooling system, which is what takes out water pumps and eats cylinder walls.
2 application options
Filters coolant to protect the block and water pump
Replaces the factory bypass hose and the plastic elbow that becomes brittle and fails without warning.
Reinforced bypass hose · 2007.5–2018 6.7L

Call, email, or stop by the shop on North Orange Blossom Trail. Bring the VIN if you have it — we can confirm fitment on the spot and have the right parts ready.
Mishimoto Transmission Cooler
Application: 2019–2024 (5th gen) · $529.95