Keep ignition and fuel-injection timing dialed in across heavy-duty MACK and VOLVO trucks with the Walker Products Engine Crankshaft Position Sensor 1008-1015. It fits many vehicles as a direct-fit replacement for the listed applications, among them the 2011-2016 Volvo VNL 10.8L / 11.9L / 12.8L / 14.9L / 16.1L, 2012-2016 Volvo VNM 10.8L / 12.8L / 8.9L and 2011-2015 Mack CXU 10.8L / 11.9L / 12.8L — see the "Vehicles it fits" section for the full list.
- Core function: monitors the crankshaft's rotational position and speed and relays that signal to the engine control module so ignition and fuel-injection timing stay accurate.
- Direct fit: made to match the listed MACK and VOLVO applications for a straightforward install.
- Signs it may need replacing: hard starting or a no-start, stalling, rough running, or a check-engine light — diagnose the cause before replacing, since these symptoms can have other sources.
Fitment by engine: covers applications using the manufacturer engine codes 6-11.9L, 6-12.8L, L6-8.9L, L6-10.8L, L6-12.8L, L6-14.9L and L6-16.1L. If a failed crankshaft position sensor is the cause of your driveability issue, 1008-1015 replaces it.
Interchange: 904-7705
9047705 · 21426987
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
What does the Walker Products 1008-1015 sensor do?
It's a crankshaft position sensor that monitors the crankshaft's position and speed and reports it to the engine control module so ignition and fuel-injection timing stay accurate.
Which vehicles does this sensor fit?
It fits many vehicles, among them the 2011-2016 Volvo VNL 10.8L / 11.9L / 12.8L / 14.9L / 16.1L and 2012-2016 Volvo VNM 10.8L / 12.8L / 8.9L. See the "Vehicles it fits" section for the full list.
What engine codes are covered?
The listed applications use manufacturer engine codes 6-11.9L, 6-12.8L, L6-8.9L, L6-10.8L, L6-12.8L, L6-14.9L and L6-16.1L. Confirm your specific engine against the "Vehicles it fits" section.
What are the signs of a failing crankshaft position sensor?
Common signs include hard starting or a no-start, stalling, rough running, or a check-engine light. Diagnose the cause first, as these symptoms can have other sources.
What numbers does 1008-1015 interchange with?
It cross-references 904-7705 (also written 9047705) and 21426987. Match these numbers and your vehicle's fitment before ordering.
