Walker 235-1653 Engine Crankshaft Position Sensor

Walker 235-1653 Crankshaft Position Sensor

Walker Products 235-1653 is an engine crankshaft position sensor for select GM vehicles from the mid-1980s through 1992. It is built to meet or exceed OEM standards and specifications, with engineering and product support backed by Walker Products’ in-house manufacturing and technical teams.

Compatible With Buick Century, LeSabre, Park Avenue, Regal, Skylark, Reatta, and Riviera; Oldsmobile 88, 98, Achieva, Calais, Cutlass Calais, Cutlass Ciera, Cutlass Cruiser, Delta 88, Silhouette, and Toronado; and Pontiac Bonneville, Firebird, and Grand Am applications. This part number, 235-1653, is also cross-referenced by Standard Ignition PCB1 for the same application.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Walker Products engine sensor line backed by decades of aftermarket experience
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker engineering, product management, and technical documentation
• ISO 9001 and IATF 16949 certified manufacturing environment
• Direct replacement reference for select Buick, Oldsmobile, and Pontiac vehicles

Product Details

Walker Products has supplied fuel system and engine management components since 1946, and the Walker Products brand line includes sensors, injectors, ignition-related parts, and other repair components for the automotive aftermarket. Part number 235-1653 is an engine crankshaft position sensor used by the vehicle’s control system to monitor crankshaft position and engine speed information. For drivers and technicians servicing a Buick Century crankshaft position sensor replacement, Oldsmobile Cutlass Ciera crank sensor service, or Pontiac Grand Am crankshaft position sensor repair, this part provides a direct-fit service option for the listed applications.

What It Helps Address

• Crankshaft position signal loss or erratic sensor output
• Hard starting or extended crank time
• Intermittent stalling or engine shutdown
• Misfire, hesitation, or poor engine timing control
• Check engine light concerns related to crankshaft position input

Installation Notes

Verify the vehicle year, make, model, and engine application against the fitment list before installation. Inspect the connector, wiring, and mounting area for damage or corrosion before replacing the sensor. Follow the service manual for sensor location, clearance, and any relearn or diagnostic procedures required after installation.

Quality Assurance

Walker Products manufactures this sensor to meet or exceed OEM standards and specifications. The company’s ISO 9001 and IATF 16949 certifications support controlled production and consistent part quality for automotive engine sensor applications.