Repower your Caterpillar 3126B diesel engine with the 10R-1257DX re-manufactured HEUI Injector by Diesel Pro. Backed by decades of experience in the fuel injection industry, Diesel Pro can be your trusted supplier for fuel injection products.
Not sure if this injector will fit your application? Give us a call with your CAT engine serial number.
This product replaces the following CAT OEM Part Numbers: 10R1257, 178-6342, 178-6343,