This Classic Series Turbocharger Speed Sensor is a 2-pin sensor compatible with select Mack® and Volvo® heavy-duty applications and turbocharger platforms including Holset® HE431VE, HE451V, and HE551V. A stable turbo speed signal helps the ECM monitor turbo operation and can reduce drivability issues caused by an erratic or missing speed signal.
Replaces / Reference / Interchange numbers: 85151481, 21508269, 984725, 948211, 503-002-001, 85109213, 20837313, 24427413, Automann® 577.96511, Dorman® 904-7441
Compact Fitment (Year: Make® (Models…)
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2010–2014: Volvo® (9700)
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2011–2015: Volvo® (VAH)
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2010–2015: Volvo® (VHD)
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2010–2016: Volvo® (VNL, VNM)
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Turbo platforms (compatibility reference): Holset® (HE431VE, HE451V, HE551V)
Detailed Applications
Volvo® Heavy Duty (as provided)
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9700 (2010–2014)
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VAH (2011–2015)
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VHD (2010–2015)
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VNL (2010–2016)
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VNM (2010–2016)
Turbocharger Platforms (compatibility reference)
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Holset® HE431VE
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Holset® HE451V
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Holset® HE551V
Condition / Packaging Note
This product is new and unused, but it doesn’t come in the usual retail packaging. It was intended for a specific purpose but is now available for sale. We’ve thoroughly inspected and tested it to ensure it meets the same quality standards as a regular Classic Series product. If you have any questions, please ask.
⚠ WARNING: Cancer and Reproductive Harm — www.P65warnings.ca.gov
⚠Legal Compliance & Safety
This product is not endorsed by or affiliated with any original equipment manufacturer. All OEM names, numbers, and trademarks are used solely to indicate compatibility or reference applications.