L5P Duramax Fuel Pressure Regulator 2017-2025 - New Direct-Fit Diesel Replacement

Overview

This is a direct-fit fuel pressure regulator for the L5P Duramax diesel (2017-2025). It is a quality new, direct-fit replacement built to OEM-equivalent specification for a professional-grade repair that restores proper function and reliability to your truck.

What It Does & How It Helps

The fuel pressure regulator (FCA/MPROP on common-rail) controls rail pressure. When it fails you get hard starts, power loss, surging, and rail-pressure codes. A fresh regulator restores stable fuel pressure.

Fitment

Confirm your engine and model year before ordering. Not sure it fits? Email sales@coredieselparts.com with your VIN or engine and year and we will confirm the correct unit.

Ordering & Shipping

This part is made to order and typically ships within 2–5 business days. Orders ship fast with tracking. Questions about fitment or your order? Email sales@coredieselparts.com and we are happy to help.