Walker 235-1604 Engine Camshaft Position Sensor

Walker Camshaft Position Sensor 235-1604

Walker Products 235-1604 is an engine camshaft position sensor built for direct replacement service on select Buick Lucerne and Cadillac DTS applications. It supports accurate camshaft signal input for proper engine management and is backed by Walker’s long-standing focus on OEM-level fuel system and sensor manufacturing.

Key Features

• Engine camshaft position sensor for ignition and engine management service
• Walker Products part number 235-1604
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker’s engineering, product management, and technical staff
• ISO 9001/IATF16949 certified manufacturing environment
• Cross-reference: Standard Ignition PC727

Product Details

Walker Products has supplied automotive fuel system and engine sensor components since 1946, with a product range that includes cam and crankshaft sensors, throttle position sensors, oxygen sensors, fuel injectors, and related engine management parts. The 235-1604 camshaft position sensor is part of that engine sensor lineup and is intended for vehicles that require a precise cam signal for engine timing and control strategy. This part number 235-1604 is listed for 2006-2011 Buick Lucerne and 2006-2011 Cadillac DTS applications, including 2006 Buick Lucerne configurations with first-design or second-design mass air flow sensor notes.

Vehicle Fitment

• Fits 2007-2011 Buick Lucerne, N/A
• Fits 2006-2011 Cadillac DTS, N/A
• Fits 2006 Buick Lucerne, N/A — 2nd design Mass Air Flow Sensor
• Fits 2006 Buick Lucerne, N/A — 1st design Mass Air Flow Sensor

Common Reasons for Replacement

• Camshaft position sensor fault codes
• Hard starting or extended crank conditions
• Rough idle or intermittent stalling
• Engine misfire or timing-related drivability concerns
• Loss of accurate cam signal to the engine control system

Installation Notes

Verify the vehicle’s year, make, model, and the 2006 Buick Lucerne mass air flow sensor design note before ordering. Compare the original sensor connector, mounting style, and application details to confirm the correct Walker Products 235-1604 replacement. Clear diagnostic trouble codes and perform a system check after installation.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certified processes and in-house engineering support help maintain application accuracy and product consistency for Buick Lucerne and Cadillac DTS service parts.