Peterbilt 389 Transmission Coolers

Shop for Heavy Duty Peterbilt Transmission Coolers

Keep your Peterbilt 389 running efficiently with heavy-duty replacement transmission coolers that carefully regulate fluid temperatures, prevent overheating, and extend the drivetrain life. When your Peterbilt truck has heavy payloads and steep grades to accelerate on, a well-built cooler will preserve your truck’s transmission from heat damage. Depending on in-stock availability, you can choose from Eaton Fuller mounts or compact BESTfit coolers for improved gear shifting overall. Upgrade your truck’s driving performance with top-tier transmission cooling components that’ll help you maintain the value of your rig for years to come.