RETOMEY Oil Pressure Sensor for Chevy GMC Cadillac TLD1846A with Socket — Direct-Fit OEM Replacement for 4.8L–7.0L Engines

RETOMEY Oil Pressure Sensor with socket (TLD1846A) is a direct-fit replacement sensor designed to restore accurate oil pressure signaling on a wide range of GM 4.8L–7.0L V6/V8 engines.

This replacement oil pressure sensor and matching socket kit from RETOMEY is built to match the electrical and thread specifications of the original equipment on many Chevrolet, GMC, Cadillac and related GM-platform vehicles. It’s supplied with a plug-ready connector and threaded body that simplify swapping the failed sensor without lengthy modifications. Before ordering, confirm your vehicle year, make, model and engine size against the compatibility list below to ensure proper fit.

How do I know this sensor will fit my vehicle?

Compare the replacement part numbers and the engine family in your owner’s manual or repair guide to the RETOMEY listing. The product replaces TLD1846A, 12573107, and 12677836 and supports many GM models and engines from 1997–2009. Fitment depends on year, model and engine displacement, so checking those three details prevents returns.

• Replacement part numbers: TLD1846A, 12573107, 12677836.
• Compatible brands include Chevy, GMC, Cadillac, Buick, Isuzu, Hummer, Pontiac, Saab.
• Supported engine sizes: common 4.8L, 5.3L, 6.0L, 6.2L, 7.0L and select 5.7L/6.0L units.
• Model years covered range roughly 1997–2009 across listed vehicles.

What are the installation steps and tools required?

Installation is straightforward for someone comfortable with basic engine work: disconnect the battery, relieve oil-system pressure if needed, unplug the sensor harness, remove the old sensor with the supplied socket or an appropriate wrench, then install the new sensor and reconnect the harness. The included socket is sized to match the sensor hex for a cleaner removal and reapplied torque control.

• Disconnect negative battery terminal before starting.
• Use the supplied socket or a correct-size wrench for removal/installation.
• Hand-thread sensor to avoid cross-threading; tighten to manufacturer torque spec.
• Check for leaks and proper connector seating after startup.

What electrical and performance considerations should I be aware of?

The RETOMEY sensor is manufactured to replicate the OEM electrical connector and signal range so your vehicle’s ECM and dashboard gauge receive accurate pressure data. It does not alter engine performance; it restores correct sensor inputs to the engine management and warning systems. If your dash oil light remains after installation, verify wiring and ground continuity before replacing other components.

• OEM-compatible electrical connector for plug-and-play installation.
• Engine control module receives the same signal format as original sensor.
• Sensor corrects inaccurate readings caused by a failed unit—not mechanical oil-pump faults.
• If warning light persists, inspect harness and grounds.

Who is this for: The RETOMEY Oil Pressure Sensor with socket is intended for DIY mechanics, independent shops and fleet managers replacing a failed or intermittent oil-pressure sender on supported GM vehicles. It’s best for owners of Chevy Silverado, GMC Sierra, Cadillac Escalade and similar model years listed who need a direct replacement sensor and a dedicated socket to simplify removal and installation. Always verify fitment with your vehicle’s year, make, model and engine size before purchase to ensure correct compatibility and avoid downtime.