Dorman 924-977 Shift Interlock Solenoid

Shift Interlock Solenoid for GM Trucks and SUVs

Dorman 924-977 is a shift interlock solenoid built to match the fit and function of the original unit on specified vehicles. It is engineered for durable, reliable performance in applications such as Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and Tahoe models.

Key Features

• Direct replacement shift interlock solenoid for OE-style fit and operation
• Black plastic housing with a rectangular female connector
• 2 mounting holes with flange mounting at the ends
• 2-terminal connector with one connector location
• No harness required for installation
• Fits GM trucks and SUVs across 2007-2019 model years, depending on application

Detailed Description

This Dorman shift interlock solenoid, part number 924-977, is designed for vehicles that use an electronically controlled shifter lockout system. It matches the original solenoid’s fit and function, helping restore proper shift interlock operation in GM applications including Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Tahoe, Suburban, GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, and Cadillac Escalade. This part cross-references GM 15775841 for the same application.

Built with a plastic housing and a rectangular female connector, Dorman 924-977 uses a flange-style mount with two mounting holes and does not require a separate wiring harness. It is a practical OE-style replacement for drivers servicing a GM shift interlock concern on trucks and full-size SUVs.

What It Helps Fix

• Shifter locked in Park
• Intermittent or inoperative shift release
• Faulty shift interlock solenoid operation
• Transmission selector not releasing normally
• Electrical connection issues at the solenoid connector

Installation Notes and Tips

Verify connector style, mounting location, and vehicle application before installation. This part uses one rectangular female connector, two mounting holes, and flange mounting at the ends. Compare the original solenoid to Dorman 924-977 and confirm the OE reference 15775841 when servicing the shift interlock system on a Chevrolet Silverado, GMC Sierra, Cadillac Escalade, or related GM platform.

Quality Assurance

Dorman designs this replacement solenoid to match original fit and function and to deliver dependable performance in daily service.