Oil Pressure Fuel Pump Switch Replacement Sensor

Get peace of mind on the water with a reliable MerCruiser oil pressure switch designed to protect your engine when it matters most. This high‑quality replacement 87‑864252A01 replacement sensor monitors oil pressure and cuts power to the fuel pump if levels drop, helping avoid costly damage. Built to fit popular MerCruiser models, it’s a straightforward upgrade for routine maintenance or emergency part replacement. Ideal for boat owners and marine mechanics alike, this sensor brings confidence back to every voyage.

Key Features

• Direct replacement for OEM part number 87‑864252A01 — no modifications needed.
• Monitors oil pressure and shuts off the fuel pump quickly when pressure falls below safe levels.
• Durable construction for long‑lasting marine performance in demanding environments.
• Easy bolt‑on installation saves time during maintenance or engine rebuilds.
  
  

Why Choose Our MerCruiser Oil Pressure Fuel Pump Switch 87‑864252A01 Replacement Sensor
Unlike generic sensors that may fail prematurely, this marine engine safety cutoff sensor is engineered for precise response and consistent operation. It outperforms basic aftermarket alternatives by maintaining reliable fuel pump control under fluctuating engine conditions. You get reassurance that your engine’s oil pressure safety system works as intended — every time you start your boat.

Perfect For (Occasions & Uses)

• Boaters performing preventative maintenance or fixing a triggered oil pressure alarm
• Marine mechanics servicing MerCruiser engines on stern‑drive and inboard vessels
• Owners of MerCruiser 4.3L, 5.0L, 5.7L and larger engines needing a dependable safety switch
  
  

Upgrade to a dependable MerCruiser oil pressure fuel pump switch and enjoy smoother, safer rides — order your replacement sensor now and protect your engine the smart way.