If you are looking to add a fuel heater onto your engine mounted CAT fuel filter conversion kit, this will do just that for you! This fuel heater kit will only work if you have one of the engine mounted CAT conversion kits with the spin on filter. It will plug directly into the factory harness.
**The part numbers this fuel heater kit is only compatible with is: GRD67CM3009, GRD67CM3009-1 and GRD67CM3014. These are the engine mounted CAT conversion kits with the spin on filter **