7.3 Ford OEM Fuel Pressure Relief Build Kit 99-03

Part: 7.3 Ford OEM Fuel Pressure Relief Build Kit 99-03

Part Number: F81Z9B249BB

Manufacturer: Ford

Description: 

The OEM Fuel Pressure Relief Build Kit for the 1999–2003 Ford 7.3L Powerstroke Diesel is a crucial upgrade or replacement for maintaining proper fuel system operation. This kit is designed to regulate and control fuel pressure within the fuel bowl, ensuring that pressure stays within safe operating limits. When fuel pressure rises beyond the desired range—whether due to a clogged filter, faulty regulator, or performance upgrades—this relief system activates to safely redirect excess fuel, protecting vital components downstream.

In a 7.3L Powerstroke, maintaining steady and consistent fuel pressure is essential for optimal injector performance and combustion efficiency. Without proper regulation, excessive pressure can cause injector damage, erratic idling, hard starts, and even fuel leaks. On the flip side, too little pressure can result in a lean condition, loss of power, and poor throttle response. This kit helps strike the balance by allowing the system to bleed off pressure when needed, keeping fuel delivery stable and responsive under all driving conditions.

Whether you’re chasing down fuel system issues or proactively maintaining your diesel, the OEM Fuel Pressure Relief Build Kit is a smart investment. Protect your injectors, maintain fuel efficiency, and keep your 7.3L Powerstroke running at its best with this reliable, factory-spec solution.