Walker
Walker Products

Walker 235-1687 Engine Camshaft Position Sensor

Brand Walker 235-1687
Product line Walker Products
Fits Land Rover · 71 vehicles

OEM standards. Built to meet or exceed OEM specifications.

Engine sensor. For accurate camshaft position signal detection.

Walker Products. Backed by decades in engine management components.

Cross-references Davico Mfg 17149, Dorman - HELP 81073 and Nissens 871186 for the same application. See all 21.

$127.23Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Camshaft Position Sensor 235-1687

Walker Products 235-1687 is an engine camshaft position sensor for select Land Rover and Volvo applications. It supports accurate camshaft signal input for engine management systems that rely on precise timing data for proper operation.

Key Features

  • Engine camshaft position sensor for ignition and engine management systems
  • Walker Products engineering and manufacturing support for application accuracy
  • Built to meet or exceed OEM standards and specifications
  • ISO 9001/IATF16949 certified manufacturing process
  • Compatible with select Land Rover Defender, Discovery, LR2, LR4, Range Rover, Range Rover Sport, Range Rover Velar, and Volvo V60 applications

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on OE-level fit and production consistency. The Walker Products line includes engine management components such as cam and crankshaft sensors, throttle position sensors, oxygen sensors, fuel injectors, and related repair parts. Part number 235-1687 is part of that sensor lineup and is intended for vehicles that require a camshaft position signal for engine control strategy. This part cross-references Dorman - HELP (e.g., 81073) for the same application.

Vehicle Fitment

  • Fits 2022-2025 Land Rover Defender 110, Sensor Only
  • Fits 2024-2025 Land Rover Defender 130, Sensor Only
  • Fits 2022-2025 Land Rover Defender 90, Sensor Only
  • Fits 2021-2022 Land Rover Range Rover, N/A
  • Fits 2021-2022 Land Rover Range Rover Sport, N/A
  • Fits 2017-2020 Land Rover Discovery, Walker Products
  • Fits 2010-2020 Land Rover Range Rover, Walker Products
  • Fits 2010-2020 Land Rover Range Rover Sport, Walker Products
  • Fits 2018-2020 Land Rover Range Rover Velar, Walker Products
  • Fits 2014-2016 Land Rover Discovery, Sensor Only
  • Fits 2010-2016 Land Rover LR4, Walker Products
  • Fits 2014 Volvo V60, Sensor Only
  • Fits 2008-2012 Land Rover LR2, Walker Products

Common Replacement Reasons

  • Check engine light related to camshaft signal faults
  • Hard starting or extended crank conditions
  • Rough idle or intermittent engine performance concerns
  • Camshaft correlation or timing-related diagnostic trouble codes
  • Stalling or hesitation caused by inaccurate sensor input

Installation Notes

Verify the vehicle application by year, make, and model before installation. Compare the original sensor connector, mounting style, and engine configuration to the existing part. Clear diagnostic trouble codes after installation and confirm proper signal operation with a scan tool if required.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications, supported by in-house manufacturing, product management, engineering, and technical documentation. The company is ISO 9001/IATF16949 certified, reflecting controlled production and application accuracy for parts like the Walker Products 235-1687.

This part fits 71 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2025Land RoverDefender 1105.0LV8N/ASensor Only
2025Land RoverDefender 1305.0LV8N/ASensor Only
2025Land RoverDefender 905.0LV8N/ASensor Only
2024Land RoverDefender 1105.0LV8N/ASensor Only
2024Land RoverDefender 1305.0LV8N/ASensor Only
2024Land RoverDefender 905.0LV8N/ASensor Only
2023Land RoverDefender 1105.0LV8N/ASensor Only
2023Land RoverDefender 905.0LV8N/ASensor Only
2022Land RoverDefender 1105.0LV8N/ASensor Only
2022Land RoverDefender 905.0LV8N/ASensor Only
2022Land RoverRange Rover5.0LV8N/ASensor Only
2022Land RoverRange Rover Sport5.0LV8N/ASensor Only
2021Land RoverRange Rover5.0LV8N/ASensor Only
2021Land RoverRange Rover Sport5.0LV8N/ASensor Only
2020Land RoverDiscovery3.0LV6N/AWalker Products
2020Land RoverRange Rover5.0LV8N/AWalker Products
2020Land RoverRange Rover Sport5.0LV8N/AWalker Products
2020Land RoverRange Rover Velar5.0LV8N/AWalker Products
2020Land RoverRange Rover Velar3.0LV6N/AWalker Products
2019Land RoverDiscovery3.0LV6N/AWalker Products
2019Land RoverRange Rover5.0LV8N/AWalker Products
2019Land RoverRange Rover3.0LV6N/AWalker Products
2019Land RoverRange Rover Sport5.0LV8N/AWalker Products
2019Land RoverRange Rover Velar3.0LV6N/AWalker Products
2018Land RoverDiscovery3.0LV6N/AWalker Products
2018Land RoverRange Rover5.0LV8N/AWalker Products
2018Land RoverRange Rover3.0LV6N/AWalker Products
2018Land RoverRange Rover Sport5.0LV8N/AWalker Products
2018Land RoverRange Rover Sport3.0LV6N/AWalker Products
2018Land RoverRange Rover Velar3.0LV6N/AWalker Products
2017Land RoverDiscovery3.0LV6N/AWalker Products
2017Land RoverRange Rover5.0LV8N/AWalker Products
2017Land RoverRange Rover3.0LV6N/AWalker Products
2017Land RoverRange Rover Sport5.0LV8N/AWalker Products
2017Land RoverRange Rover Sport3.0LV6N/AWalker Products
2016Land RoverDiscovery3.0LV6N/ASensor Only
2016Land RoverLR43.0LV6N/AWalker Products
2016Land RoverRange Rover5.0LV8N/AWalker Products
2016Land RoverRange Rover3.0LV6N/AWalker Products
2016Land RoverRange Rover Sport5.0LV8N/AWalker Products
2016Land RoverRange Rover Sport3.0LV6N/AWalker Products
2015Land RoverDiscovery3.0LV6N/ASensor Only
2015Land RoverLR43.0LV6N/AWalker Products
2015Land RoverRange Rover5.0LV8N/AWalker Products
2015Land RoverRange Rover3.0LV6N/AWalker Products
2015Land RoverRange Rover Sport5.0LV8N/AWalker Products
2015Land RoverRange Rover Sport3.0LV6N/AWalker Products
2014Land RoverDiscovery3.0LV6N/ASensor Only
2014Land RoverLR43.0LV6N/AWalker Products
2014Land RoverRange Rover5.0LV8N/AWalker Products
2014Land RoverRange Rover3.0LV6N/AWalker Products
2014Land RoverRange Rover Sport5.0LV8N/AWalker Products
2014Land RoverRange Rover Sport3.0LV6N/AWalker Products
2014VolvoV602.0LL4N/ASensor Only
2013Land RoverLR45.0LV8N/AWalker Products
2013Land RoverRange Rover5.0LV8N/AWalker Products
2013Land RoverRange Rover Sport5.0LV8N/AWalker Products
2012Land RoverLR23.2LL6N/AWalker Products
2012Land RoverLR45.0LV8N/AWalker Products
2012Land RoverRange Rover5.0LV8N/AWalker Products
2012Land RoverRange Rover Sport5.0LV8N/AWalker Products
2011Land RoverLR23.2LL6N/AWalker Products
2011Land RoverLR45.0LV8N/AWalker Products
2011Land RoverRange Rover5.0LV8N/AWalker Products
2011Land RoverRange Rover Sport5.0LV8N/AWalker Products
2010Land RoverLR23.2LL6N/AWalker Products
2010Land RoverLR45.0LV8N/AWalker Products
2010Land RoverRange Rover5.0LV8N/AWalker Products
2010Land RoverRange Rover Sport5.0LV8N/AWalker Products
2009Land RoverLR23.2LL6N/AWalker Products
2008Land RoverLR23.2LL6N/AWalker Products
Directly replaces or cross-references 21 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 17149Dorman - HELP — 81073Nissens — 8711865S114945S1213775171186CHN3A074CSE257CSS1352CSS1852EC0012LR0 01397LR0 14372LR001397LR014372PC851SEB1786SU12947SU13558V48720031XREV593