MMR S550 Rear Differential Oil Cooler Kit for 2015-21 Mustang GT

If you have ever taken your S550 Mustang GT to an open Track Day, HPDE, Autocross or Time Trial you have likely seen the dreaded Differential warning light turn on. Overheating is VERY common and this is why the GT350 models came standard with a differential cooler. Not to worry, MMR has engineered and tested our differential kit to handle all the challenges of racing and we guarantee our kit to offer the lowest temps and the highest performance!


Hi Efficiency Heat exchanger and Fan

Hi Temperature and Pressure Motorsports Approved Hose and Fittings.

Stainless Steel Mounting hardware to prevent rust 

Thermostatic Relay, temp sensor  and Wiring

High Quality Tilton motorsports oil pump

Mounts simply and cleanly under spare tire well. 



All 2015-2021 S550 Ecoboost, V6 and GT Applications

Also great for 2016 GT350 applications that were not originally equipped with the diff. cooler



  • Model: 777600
  • Manufactured by: MMR


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