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Peterbilt 320 with Cummins
Gaff: 12362
Donaldson: P550656
Erratic tachometer readings
Sterling AT9500 / LT9500 with MBE 4000
Fleetguard FF5421 Fuel Filter Lubrication Filter Peterbilt 320 with CumminsFleetguard FF5421 is a spin on secondary fuel filter for Cummins ISBe and B series 4 cylinder applications, replacing Cummins 4897897 with the M20 x 1. 5 thread, 7. 58 in length, and 95 mm OD the OE filter head was designed around. The same filter serves Iveco, DAF LF, Case IH, and New Holland tractor and light truck installations that share the Cummins B series fuel system. Signs You Need a New Fuel Filter Loss of power under load or during