Awesome Cat 1R0749 Ideas. Cat nos high efficiency fuel filter 1r0749. 1r0749 filter for caterpillar 631e, 633e, 769d, 771d (0778187, 4n5823, 1r0712) $17.29 buy at ebay.
Now in stock cat replacement filter used in conjunction with the duramax fuel filter adapter. You'll need to either buy the filter head. Less wear when the cat fuel filter was used.
