Best transmission cooler 4l60e. Here are our recommendations for the 4 best transmission coolers for your 4l60e! See full list on transmissioncoolerguide. The tru-cool The 4l60e recommended transmission fluid is Dex / Merc aka Dexron 3 (Dex III), which is backwards compatible with the modern Dexron 6 (Dex VI). Also, you can see our guides on Best Transmission Coolers and Best Oil Coolers for a wider range of candidates. This cooler helps prevent overheating, which can damage your transmission. The Tru Cool 40k gets its name from having a GVW (gross vehicle weight) rating of 40,000. The stock components were never designed to handle the kind of torque a lot of us are throwing down today. We reviewed the best transmission coolers for various needs that can be used in any 4l60e equipped car, truck, or SUV. Jun 16, 2025 · You’ll learn how to select the right one for your car or truck. In Kansas City you probably don't have to worry about a by-pass for the cooler because though you do get cold temps once in a while, they don't hang around for months on end like us up nort' types. . s7 f2lj 0ku4 kvv ev3cn vhync rc m7gh 9u8 yisxt