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Genuine OEM GM 55495697 HP4 Fuel Pressure Regulator 2017–2023 L5P Duramax Diesel

$184.90

2017–2023 Chevrolet Silverado 2500HD / 3500HD (6.6L L5P Duramax). 2017–2023 GMC Sierra 2500HD / 3500HD (6.6L L5P Duramax). - Designed for the HP4 high-pressure fuel pump. 2017–2021 Chevrolet Silverado 4500HD / 5500HD (6.6L L5D Duramax).

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