Walker 235-91004 Engine Camshaft Position Sensor

Engine Camshaft Position Sensor for GM Applications

Walker Products FSK 235-91004 is an engine camshaft position sensor built for specific GM vehicles from the 1990s. It uses a male connector and includes a mounting bracket for direct replacement service on listed applications.

Compatible With Buick Century, Chevrolet Lumina, Pontiac Grand Prix, and other listed models, this sensor supports accurate camshaft signal input for engine management systems. If you are replacing a failing camshaft position sensor on a 1993-1999 Chevrolet Lumina or a 1993-1999 Pontiac Grand Prix, this part number is a fitment-based option to verify against your vehicle.

Walker Products FSK Line

The Walker Products FSK line focuses on fuel system and engine management service parts backed by Walker’s long history in the automotive aftermarket. Walker Products FSK 235-91004 reflects that approach with OE-style manufacturing standards, application-specific engineering, and technical support resources for repair work.

Key Features

• Engine camshaft position sensor for ignition and engine management service
• Male connector for listed vehicle applications
• Mounting bracket included
• Walker Products FSK part number 235-91004
• Fits a range of GM passenger cars and vans from 1992-1999

Fitment Details

• Fits 1994-1999 Buick Century, N/A
• Fits 1994-1996 Buick Regal, N/A
• Fits 1993 Buick Regal, N/A
• Fits 1993-1999 Chevrolet Lumina, N/A
• Fits 1996 Chevrolet Lumina APV, N/A
• Fits 1995-1999 Chevrolet Monte Carlo, N/A
• Fits 1993-1995 Chevrolet Camaro, N/A
• Fits 1996-1999 Oldsmobile Silhouette, N/A
• Fits 1993-1997 Oldsmobile Cutlass Supreme, N/A
• Fits 1994-1996 Oldsmobile Cutlass Ciera, N/A
• Fits 1994 Oldsmobile Cutlass, N/A
• Fits 1994 Oldsmobile Cutlass Cruiser, N/A
• Fits 1993-1999 Pontiac Grand Prix, N/A
• Fits 1999 Pontiac Montana, N/A
• Fits 1996-1998 Pontiac Trans Sport, N/A
• Fits 1993-1995 Pontiac Firebird, N/A
• Fits 1992 Pontiac Grand Prix, N/A, w/ Calif. Emissions
• Fits 1993 Chevrolet Lumina, N/A, Calif
• Fits 1993 Buick Regal, N/A, Calif

What This Sensor Helps Address

• Camshaft position signal faults
• Check engine light concerns tied to cam sensor input
• Hard starting or extended crank conditions related to sensor failure
• Intermittent engine performance issues caused by inaccurate timing data
• Driveability problems on GM vehicles such as the Chevrolet Lumina and Pontiac Grand Prix

Installation Notes

Confirm connector style, bracket location, and exact year, make, model, and emissions notes before installation. For fitment-based repairs, compare the original sensor and mounting points to Walker Products FSK 235-91004 before final assembly. This part cross-references Delphi SS10050 for the same application.

Quality Assurance

Walker Products has supplied automotive fuel system and engine sensor components since 1946 and manufactures to meet or exceed OEM standards and specifications. The company supports production with engineering, product management, and technical resources, and operates as an ISO 9001/IATF16949 certified manufacturer.