ACDelco Engine Oil Level Sensor D8055 (19112977) Gold — OE-style fit for GM vehicles

The ACDelco Gold D8055 (19112977) Engine Oil Level Sensor is a premium aftermarket replacement that monitors oil in the pan and alerts the vehicle’s information system when levels drop.

This ACDelco Professional sensor is engineered to deliver OE-style fit, function, and reliability for many GM-based powertrains. It measures engine oil depth and communicates with the dash or information center to warn the driver when oil falls below the threshold established by vehicle engineers. Manufactured under ACDelco’s premium standards, this part is intended as a dependable replacement for worn or faulty factory sensors and helps maintain accurate oil-level reporting without major modifications.

How does the oil level sensor communicate low-oil warnings?

The sensor converts oil-level data into an electrical signal that the vehicle’s control module reads and translates into dash messages or warning icons. When the measured level crosses the engineered threshold, the system issues a visible alert to prompt inspection or topping off.

• Direct electrical output compatible with GM instrument clusters
• Designed to trigger information-center messages and dash indicators
• Corrosion-resistant contacts for consistent signal transmission

What makes the ACDelco Gold D8055 a reliable replacement?

This sensor is built to match the original geometry and electrical characteristics, reducing installation issues and ensuring consistent readings. ACDelco’s premium line focuses on durable materials, secure connectors, and strict quality control to provide long service life under typical driving conditions.

• Precision-molded housing for correct fit and seal
• Engineered to meet form, fit, and function expectations
• Professional aftermarket construction for dependable performance

How easy is installation and what should I check when replacing it?

Installation is usually straightforward for technicians or experienced DIYers: drain or access the oil pan area as required, unplug the harness, remove the old sensor, and fit the replacement with a proper seal. Verify electrical connector seating and check for leaks after engine run-up.

• Install with correct torque and new sealing surfaces if specified
• Inspect wiring harness and connectors for damage or corrosion
• Confirm no oil leaks and proper warning-light behavior after installation

Will this sensor fit my vehicle and how do I confirm compatibility?

The D8055 (19112977) is intended for many GM applications; however, confirm fit by checking your vehicle’s parts catalog or VIN-based lookup. Match the part number and connector style to ensure compatibility before purchase.

• Cross-reference part number D8055 / 19112977 with your vehicle
• Compare connector shape and mounting threads to the original unit
• Use VIN lookup tools or consult ACDelco fitment guides for certainty

Who is this for: The ACDelco Gold D8055 (19112977) Engine Oil Level Sensor is ideal for owners and technicians seeking a high-quality, OE-style replacement for vehicles that rely on an electrical oil-level warning system. If you need accurate oil-level monitoring, easier diagnostics, and a durable component built to ACDelco Professional standards, this sensor is a suitable repair choice for passenger cars and light trucks compatible with the D8055 specification.

Features:

• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function