A ABIGAIL Oil Pressure Sensor for Chevy GMC Cadillac — Green Socket, Direct Replacement with Filter & 1-1/16" Socket

The A ABIGAIL 12677836 oil pressure sensor with green socket is a direct-replacement switch that monitors engine oil pressure and sends accurate signals to your vehicle’s gauge or ECU.

If your dash oil light or pressure reading is acting up, swapping in a reliable pressure sensor is often the fastest way to restore proper monitoring. This A ABIGAIL unit replaces common OE numbers and arrives with a filter and a dedicated 1 1/16-inch socket to streamline installation. It’s designed for a wide range of GM pickups, SUVs, vans and performance cars from the 1990s through the 2000s, engineered to meet or exceed OEM fit and function.

Which vehicles and engines is this sensor compatible with?

This sensor covers many GM models across Chevrolet, GMC, Cadillac and Buick lineups, matching common factory part numbers for easy replacement. Check the fit list below against your model year and engine to confirm compatibility before ordering.

• Covers Chevy Silverado 1500/2500/3500, Tahoe, Suburban, Trailblazer, Avalanche, Corvette, Impala and more (selected years).
• Covers GMC Sierra, Yukon, Envoy, Savana and other GM platforms with compatible engines.
• Fits engines including 4.8L, 5.3L, 6.0L, 6.2L and select V8 variants across 2003–2008 ranges and some earlier/later models as listed.

How easy is installation and what comes in the box?

Installation is straightforward: the sensor threads into the engine block or oil gallery and plugs into the factory wiring harness. A ABIGAIL includes a purpose-built socket and a replacement filter to make the swap clean and fast for DIYers or technicians.

• Included: oil pressure sensor, protective filter, 1 1/16-inch socket (fits 3/8" drive).
• Socket also fits a 1 1/8" hex wrench for different tool setups.
• Plug-and-play electrical connector matches the factory harness—no cutting or splicing required.

What part numbers does this replace and will it meet OEM standards?

The A ABIGAIL sensor is built to replace a long list of original equipment numbers so you can restore correct readings without sourcing a dealer part. It’s manufactured from durable materials and tested to deliver consistent electrical output and sealing performance comparable to the original sensor.

• Common interchange numbers: 12556117, 12614969, 12616646, 12677836, D1846A and related OP/PS series references.
• Manufactured to match OEM thread, connector and pressure-sensing characteristics.
• Includes a new in-line filter to protect the sensor from contaminants at installation.

Who is this for? If you own a compatible Chevrolet, GMC, Cadillac or Buick vehicle and are experiencing erratic oil pressure readings, illuminated oil warning lights, or you’re performing routine maintenance, this A ABIGAIL replacement sensor offers an affordable, OEM-fit solution. It’s suited for DIY mechanics, independent shops and fleet upkeep where dependable, direct-replacement parts and a dedicated installation tool speed repairs. Always verify the part numbers and engine application for your specific model year before purchase.