Ensure efficient transmission cooling with durable transmission oil cooler parts. With up to 200 PSI pressure and 300'F temperature ratings, these coolers prevent overheating and protect your drivetrain. Perfect for replacements or upgrades, they deliver dependable performance for your Peterbilt 567/579 mile after mile.
Frequently Asked Questions About Peterbilt 567/579 Transmission Coolers
What does a transmission cooler do and why does it matter for my Peterbilt?
A transmission cooler helps regulate the temperature of the transmission fluid by dissipating heat before it recirculates through the transmission. Keeping fluid temperatures in check helps reduce fluid breakdown and wear on internal components, which is especially important for trucks running heavy loads, long hauls, or operating in hot climates.
Will a transmission cooler in this category fit my specific Peterbilt 567 or 579 model year?
Fit can vary based on model year, engine and transmission configuration, and cab/hood style. Always check the listed specifications and part numbers against your truck's VIN or existing cooler dimensions before ordering. If you're unsure, our parts specialists can help confirm compatibility before you buy.
What material are these transmission coolers made from, and how does that affect durability?
Most transmission coolers in this category are constructed from aluminum for efficient heat transfer and corrosion resistance, though core and tank materials can vary by brand and design. Look at the product description for specifics on core construction, as this affects both cooling performance and long-term durability on the road.
Is installation something I can do myself, or should I have a professional handle it?
Installation typically involves mounting the cooler, connecting transmission lines, and ensuring proper fitment with existing brackets or ductwork. While some experienced technicians and owner-operators install these themselves, it's a job that requires attention to line routing, fitting torque, and leak checks. If you're not comfortable with transmission line work, having a qualified shop install it is a safer bet.
How do I know if my current transmission cooler needs to be replaced versus repaired?
Common signs include visible leaks, corrosion or damage to the fins and core, reduced cooling efficiency leading to higher transmission temperatures, or physical damage from road debris. If your truck is running hotter than normal or you notice fluid loss around the cooler lines, it's worth inspecting the unit closely or having a technician evaluate whether replacement is needed.
