The OMC 5007423 is a genuine OEM VRO (Variable-Ratio Oiling) fuel and oil pump kit designed for Johnson and Evinrude outboard motors. This factory-original replacement pump automatically premixes oil and gasoline in the correct ratio based on engine throttle demand, eliminating the need for the operator to manually calculate or measure oil during use. The system monitors oil pressure pulses via a built-in alarm circuit to provide low-oil warning protection.
Key Features:
- Genuine OEM part manufactured by BRP — not aftermarket
- 4-wire design used to replace 3-wire pumps on all motors except 2-cylinder engines
- Automatic variable-ratio oiling adjusts lubrication to match engine throttle setting
- Built-in "NO OIL" warning system for low-oil alert protection
- Factory tested before shipment — may have slight oily residue upon arrival (normal)
- Includes tech info sheet with installation instructions
Important Installation Notes:
- If your motor does not have wiring for the "NO OIL" warning, order harness #174710 separately
- For CR and CO (1984–1985) cross-scavenged V6 outboards with original pumps (no "NO OIL" warning), bracket #331122 is required to provide clearance for the new pump's circuitry
- The pump in the kit may be marked 5004554 — this is correct and expected
Replaces OEM Part Numbers:
0769117, 0174566, 0174257, 0174425, 0438406, 0175163, 0174879, 0174619, 0174563, 0174720, 0174567, 0174427, 0174264, 0175161, 0174565, 0175425, 0174424, 0174247, 0175162, 5004559
The OMC 5007423 VRO pump kit is the trusted OEM solution for restoring proper fuel-oil delivery on your Johnson or Evinrude outboard, ensuring reliable engine lubrication and performance on the water.
