One CAT 1R-0749 Fuel Filter for use with our Duramax/CAT adapters or 1"-14 filter mounts such as the NAPA 4770 or WIX 24770.
Not an OEM replacement for the Duramax. Must be used with an adapter.
Note: If you are upgrading from the 1R-0750 to the 1R-0749 you must use a filter head spacer to gain proper clearance on Duramax Trucks.
See the size comparison picture shows the large 1R-0749 and small 1R-0750 fuel filters.
- The 1R-0749 is 10.75" tall and has an outside diameter of 3.75".
- The 1R-0750 is 7.50" tall and has an outside diameter of 3.38".
The CAT filters are very nice, well-constructed units, a huge upgrade when compared to many OEM filters.
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