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Caterpillar · Fuel System
1075769
In stock · ships from Knoxville
A replacement O-ring seal designed for the fuel transfer pump on Caterpillar diesel engines.
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Caterpillar
Caterpillar
Exact engine serial numbers and models were not verified. Intended for Caterpillar diesel engines where the fuel transfer pump uses OEM seal 107‑5769.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
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It forms a leak‑proof barrier between pump components, preventing fuel seepage and air intrusion that can cause hard starting or poor engine performance. Over time, heat and fuel exposure can harden the original seal, making this a common maintenance item during fuel system service or pump rebuilds. Aftermarket equivalents are available for a cost‑effective repair.
Part Number: 1075769
FUEL PUMP O-RING
Vendor: STOWERS MACHINERY
Dealer: KP Services Crossville
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