LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch
LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch is a direct-fit replacement for 1992–1998 Mercruiser engines, priced at $19.33. Built to OE spec 87-864252a01, it ensures reliable oil pressure monitoring and engine safety shutdown for 4.3L, 5.0L, and 5.7L marine engines.
● In stock
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Key features
- OEM replacement for 87-864252a01
- Fits 1992-1998 4.3L 5.0L 5.7L Mercruiser
- Triggers fuel pump shutoff on low oil pressure
- 100% new high-quality marine-grade build
- Includes full sensor kit for installation
- One-year warranty from LABWORK
- Direct fit, no modifications needed
Pros
- +Exact OE number match ensures compatibility
- +Restores critical engine safety function
- +Affordable at $19.33 with solid build quality
- +Easy to install for DIY boat owners
- +Backed by a 1-year warranty
Cons
- −Only fits specific 1992-1998 models
- −Not serviceable; must be replaced if faulty
- −Limited to Mercruiser Quicksilver engines
About LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch
What is LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch?
The LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch is a critical safety and monitoring component designed specifically for marine inboard engines. This sensor ensures proper oil pressure levels are maintained during engine operation and triggers a fuel pump shutdown if pressure drops dangerously low, preventing engine damage. It's a 100% new unit built to match OEM specifications, making it a reliable upgrade or replacement for aging or faulty sensors on select Mercruiser (Quicksilver) engines from 1992 to 1998.
Key features
- OEM Replacement — Matches OE number 87-864252a01 for seamless fit and function.
- Direct Fit — Designed specifically for 4.3L, 5.0L, and 5.7L Mercruiser engines.
- Safety Shutdown — Automatically cuts fuel pump power if oil pressure falls below safe levels.
- Durable Construction — Engineered for marine environments to resist corrosion and vibration.
- One-Year Warranty — Backed by LABWORK for reliability and peace of mind.
- Complete Kit — Includes all necessary components for installation as a full sensor kit.
- Easy Installation — No modifications required; replaces the factory unit directly.
Who is LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch for?
This sensor is ideal for boat owners and marine mechanics maintaining older Mercruiser-powered vessels from the 1990s. It’s especially valuable for those restoring or regularly operating boats with 4.3L, 5.0L, or 5.7L engines who need a trustworthy, OEM-spec replacement. DIYers with basic mechanical skills can install it, but it’s also a common service part for marine technicians.
How does LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch compare?
Compared to generic oil pressure switches, the LABWORK sensor offers exact OEM compatibility and integrated fuel pump shutoff functionality, which many universal sensors lack. It outperforms older, worn units by restoring factory safety features. While not a high-end performance sensor, it delivers reliable operation at a fraction of the cost of dealer parts, making it a smart choice over both worn originals and non-OEM alternatives that may not support fuel cutoff.
Best use cases
- →Replacing failed oil pressure sensor
- →Restoring fuel cutoff safety feature
- →Routine maintenance on older Mercruiser
- →Boat restoration projects
- →Prevent engine damage from low oil
Is LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch right for you?
This sensor is best for owners of 1992–1998 Mercruiser-powered boats needing a reliable, low-cost replacement. Ideal for DIYers with basic tools and mechanical knowledge. If your engine lacks a working oil pressure safety switch or you're restoring factory functions, this is a smart pick. Alternatives include dealer OEM parts (more expensive) or universal switches (less reliable). Ensure your engine model matches before purchase.
How it compares: Compared to universal oil pressure switches, this LABWORK unit offers OEM-specific fit and integrated fuel pump shutoff. It's more reliable than generic sensors and cheaper than dealer parts, making it the best balance for older Mercruiser engines requiring safety and compatibility.
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What does the LABWORK oil pressure sensor do?
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It monitors oil pressure in Mercruiser engines and shuts off the fuel pump if pressure drops too low, preventing engine damage. It's a safety-critical component for marine applications.
Does this fit all Mercruiser engines?
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No, it fits only 1992–1998 4.3L, 5.0L, and 5.7L Mercruiser (Quicksilver) engines. Always verify your engine model and OE number 87-864252a01 before purchasing.
How do I install the LABWORK sensor switch?
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Installation is straightforward: disconnect the battery, remove the old sensor, install the new one in the same location, and reconnect wiring. No special tools or modifications are needed.
Is the LABWORK sensor new or refurbished?
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It is 100% new and built to high-quality standards. The package includes a complete oil pressure sensor kit for immediate installation.
Can I use a universal oil pressure switch instead?
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Universal switches may fit but often lack the fuel pump shutoff function. The LABWORK sensor ensures full OEM functionality and safety, making it a better long-term choice.
How much does LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch cost?
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LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch is $19.33 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch in stock at Lab Work Auto?
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Yes, LABWORK For MerCruiser Oil Pressure Fuel Pump Pressure Shut Sensor switch is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-6872