Walker 235-91134 Engine Crankshaft Position Sensor - Upper

Walker Crankshaft Position Sensor 235-91134

Walker Products FSK 235-91134 is an engine crankshaft position sensor for select Cadillac, Pontiac, and Oldsmobile applications. It is built with a black housing, one male connector, and one mounting hole for a direct-fit style replacement in the upper sensor location.

Key Features

• Engine crankshaft position sensor for ignition and engine management service
• Black sensor body with 1 connector and 1 mounting hole
• Male connector interface
• No mounting bracket included
• Walker Products FSK line for application-specific coverage
• Cross-reference: Four Seasons 96123

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The FSK line is positioned for accurate vehicle coverage and service replacement needs, and part number 235-91134 follows that approach for upper crankshaft position sensor applications. This part cross-references Four Seasons 96123 for the same application. It is a direct replacement choice for drivers searching for a crankshaft position sensor for 2000-2005 Cadillac DeVille upper, 2000-2004 Cadillac Seville upper, 2000-2002 Cadillac Eldorado upper, 2004-2005 Pontiac Bonneville upper, or 2001-2002 Oldsmobile Aurora upper.

What It Helps Address

• Crankshaft position sensor fault codes
• Hard starting or no-start conditions related to crank signal loss
• Intermittent stalling or rough engine operation
• Misfire concerns tied to inaccurate crankshaft timing input
• Engine speed signal issues affecting ignition control

Installation Notes

Verify the upper sensor location, connector style, and mounting hole configuration before installation. Compare the original sensor to Walker Products 235-91134 to confirm fitment on the Cadillac DeVille, Cadillac Seville, Cadillac Eldorado, Pontiac Bonneville, or Oldsmobile Aurora listed above. Clean the mounting surface and inspect the harness connector for corrosion or damage before reconnecting.

Quality Assurance

Walker Products is an ISO 9001/IATF 16949 certified manufacturer with in-house product management and engineering support. The company states its engine sensors are produced to meet or exceed OEM standards and specifications, with technical documentation and application support maintained for accuracy.