Walker 242-1017 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for GM Applications

Walker Products 242-1017 is an ignition knock (detonation) sensor built for select GM vehicles from the 1980s and 1990s. It uses a round female connector with a bullet-style male terminal and a single-terminal design for direct sensor replacement in the listed applications.

Walker Products has supplied engine management and fuel system components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes sensors and related engine management parts for service work that demands accurate vehicle application coverage.

Key Features

• Ignition knock (detonation) sensor for engine timing feedback
• Walker Products part number 242-1017
• Round connector with 1 female connector and 1 male terminal
• Bullet terminal type for the specified application
• No wiring harness included
• No mounting hardware included
• Built for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models

Detailed Description

Walker Products 242-1017 is a replacement knock sensor used in vehicles such as the 1994-1996 Oldsmobile Cutlass Ciera, 1994-1995 Buick Century, 1990-1995 Chevrolet Lumina, and 1993-1995 Cadillac DeVille. It is also listed for applications including the Chevrolet Cavalier, Pontiac Grand Prix, and Oldsmobile Cutlass Supreme. This part number is commonly searched as a knock sensor for 1990s GM cars, including Buick Century knock sensor replacement and Chevrolet Lumina detonation sensor service.

This part cross-references Standard Ignition KS8 for the same application.

What It Helps Address

• Knock sensor fault codes
• Engine pinging or detonation-related drivability concerns
• Incorrect ignition timing feedback to the engine control system
• Check engine light conditions tied to knock sensor circuit issues
• Sensor replacement during engine management diagnostics

Installation Notes and Tips

Verify connector style, terminal type, and vehicle application before installation. This sensor uses a round female connector, a single male terminal, and no wiring harness, so the existing vehicle connector and wiring must match the listed configuration. Confirm the exact year, make, and model before ordering, especially on GM platforms with multiple sensor variations.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation, and operates as an ISO 9001/IATF16949 certified manufacturer.