Description
Restore proper fuel system control with this Genuine General Motors Fuel Pressure Regulator, part number 55495697, designed for 2017–2023 GM Silverado & Sierra 2500HD/3500HD trucks equipped with the L5P Duramax diesel.
This regulator is mounted on the HP4 high-pressure fuel injection pump and is also commonly referred to as the Fuel Injection Pump Metering Valve.
A failing fuel pressure regulator is a common cause of surging, loping idle, fuel pressure loss, and drivability issues on higher-mileage Duramax engines. Replacing it with a genuine GM unit restores precise fuel metering and stable rail pressure.
This is the highest quality OEM replacement available — not an aftermarket knockoff.
Features & Benefits:
– Genuine OEM GM fuel system component
– Designed for the HP4 high-pressure fuel pump
– Restores proper fuel pressure and metering
– Helps correct surging and loping idle issues
– Direct replacement for factory regulator
Common trouble codes associated with a failing fuel pressure regulator include P0087 & P0089.
Fitment:
2017–2023 Chevrolet Silverado 2500HD / 3500HD (6.6L L5P Duramax)
2017–2023 GMC Sierra 2500HD / 3500HD (6.6L L5P Duramax)
2017–2021 Chevrolet Silverado 4500HD / 5500HD (6.6L L5D Duramax)
2017–2021 GMC Sierra 4500HD / 5500HD (6.6L L5D Duramax)
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