Cubauto 40k GVW Transmission Oil Cooler Kit

Upgrade your vehicle's transmission cooling with the Cubauto LPD47391 Transmission Oil Cooler Kit. Designed for heavy-duty applications up to 40,000 GVW, this premium aluminum oil cooler delivers superior performance with a 45,000 BTU rating and 13 cooling plates. Its Max Fin and Plate design maximizes heat dissipation while minimizing flow restriction—up to 15X less than traditional tube-and-fin coolers—ensuring optimal transmission temperatures even under extreme towing or hauling conditions.

This direct bolt-on kit includes dual 6" fans with a shroud for enhanced airflow, making installation seamless without modifications. Constructed from lightweight yet durable aluminum, the cooler is 100% leak and durability tested for reliability. Ideal for cars, vans, light trucks, RVs, and towing setups, it replaces OE part numbers LPD47391 and LPD 47391, providing a high-capacity alternative to factory coolers.