A ABIGAIL Oil Pressure Sensor 12677836 with Green Socket — Direct Replacement Kit w/Socket & Filter

A ABIGAIL 12677836 Oil Pressure Sensor with green socket is a direct-replacement oil pressure switch designed to restore accurate oil-pressure monitoring on compatible GM trucks and cars.

This replacement sensor kit includes the pressure switch, a protective filter, and a 1 1/16" socket for removal and installation. Manufactured to meet or exceed OEM fit standards, the unit is intended for a wide range of Chevrolet, GMC, Buick, Pontiac and Cadillac models from the early-to-mid 2000s. The green electrical connector matches original-style wiring harnesses for a plug-and-play swap and the supplied socket helps simplify the repair without needing a separate specialty tool.

What vehicles will this A ABIGAIL sensor fit?

The 12677836 (D1846A) sensor is compatible with many GM V6 and V8 models built roughly between 1997 and 2008. It replaces several OEM part numbers, so it will suit trucks, SUVs, vans and some performance models listed in the interchange chart.

• Chevrolet: Silverado, Suburban, Tahoe, Avalanche, Express, Corvette, Impala, Trailblazer, Monte Carlo, SSR
• GMC: Sierra, Yukon, Envoy, Savana
• Cadillac, Buick and Pontiac models that use the listed replacement numbers
• Replaces OEM numbers such as 12556117, 12614969, 12616646, OP6196 and others

How easy is installation and what comes in the kit?

Installation is intended to be straightforward for anyone with basic mechanical skill and common hand tools. The package supplies the sensor, a mesh filter, and a dedicated 1 1/16" socket that fits a 3/8" drive, letting you remove the old switch without jury-rigging a tool.

• Includes 1 oil pressure sensor, 1 filter, and 1 (1 1/16") socket
• Socket fits 3/8" drive or 1 1/8" hex wrench for easy access
• Green electrical plug matches factory connectors for a quick swap
• General install typically requires draining minimal oil and disconnecting the battery for safety

What does this sensor monitor and how does it interact with my vehicle?

The pressure switch detects oil pressure and sends that signal to the vehicle’s gauge cluster or engine control systems. Accurate readings keep the dash warnings and diagnostics functioning, and a functioning switch prevents false alarms or missed low-pressure alerts.

• Sends real-time pressure signal to combination meter or control modules
• OEM-style electrical connector for consistent signal integrity
• Designed to meet factory dimensions and thread fit for leak-free sealing

Who is this for? This A ABIGAIL 12677836 oil pressure sensor kit is aimed at DIY mechanics, independent repair shops, and fleet technicians servicing mid-2000s GM vehicles that require a factory-style pressure switch replacement. If your dash oil-pressure light behaves erratically, an accurate replacement sensor and the included socket can simplify the repair and restore reliable monitoring without resorting to costly dealer parts.