Description
Mercury 35480 Fuel Pump Filter Cover O-Ring
The Mercury 35480 is a genuine OEM O-ring that seals the fuel filter cover to the fuel pump on select Mercury and Mariner outboards. The seal has a 1.237-inch inside diameter and a 0.103-inch cross section. Use it where the Mercury parts diagram specifies 25-35480.
Applications
Examples from Mercury’s outboard parts catalog:
- Mercury 75 HP, 4-cylinder: U.S. serial numbers 6432901 through 09854990, triangle fuel pump.
- Mercury 80/800, 4-cylinder: U.S. serial numbers 5582562 through 6432900.
- Mercury 90 HP and 115 HP, 6-cylinder: U.S. serial numbers 6436123 through 0B385292, old-style fuel pump.
- Mercury V-135 and V-150: U.S. serial numbers 0A904646 through 0C100860, old-style fuel pump.
- Mercury V-175: U.S. serial numbers 4301235 through 0C100860, Design I and Design II fuel pumps.
For other Mercury or Mariner models, confirm fitment by engine serial number and pump design. Match part number 35480 or 25-35480 on your engine’s parts diagram before ordering.
Shipping & Returns
Ships as one O-ring. See our Refund Policy for return details.
Key Facts
- Brand: Mercury Marine
- Mercury part number: 35480 (catalog number 25-35480)
- Size: 1.237 in. inside diameter × 0.103 in. cross section
- Location: Fuel filter cover to fuel pump
- UPC: 745061138377
What’s Included
One genuine Mercury 35480 O-ring, sold individually.
Service Notes
Follow the fuel-system service procedure for your engine. Inspect the sealing surfaces, seat the new O-ring evenly, and check for leaks after priming the fuel system.