Keep fuel pressure steady and your injectors metering the correct amount of fuel with the Standard Ignition Fuel Injection Pressure Regulator PR429. It installs as a direct-fit replacement for the listed applications, including the 2005-2010 Ford E-350 and E-450 Super Duty [V8-6.0L], 2005-2007 Ford F-250/F-350/F-450/F-550 Super Duty [V8-6.0L], 2006-2010 Ford LCF [V6-4.5L], and a wide range of IC Corporation and International medium-duty trucks and buses spanning 2005-2012 [L6-7.6L, V6-4.5L, V8-6.0L, V8-6.4L] — see the Buyer's Guide tab for the full list.
- Core job: maintains the fuel-system pressure the engine control system expects so the injectors deliver a consistent, correct fuel quantity.
- Direct-fit: designed as a direct-fit replacement for the listed applications.
- Conditional replacement: if a worn or failed original regulator is the cause, this replaces it to help bring fuel pressure back within the intended range.
A fuel injection pressure regulator controls the pressure delivered to the fuel injectors. When the original wears out, drivers may notice hard starting, rough idle, poor fuel economy, or a fuel odor. Because those signs can have other causes, diagnose the fuel system first; if the regulator is at fault, PR429 addresses it. Manufacturer part number PR429.
Frequently Asked Questions
What does this fuel injection pressure regulator do?
It controls the pressure supplied to the fuel injectors, helping the engine deliver a consistent, correct amount of fuel across operating conditions.
Will PR429 fit my vehicle?
It is a direct-fit replacement for the listed 2005-2012 Ford, IC Corporation and International applications with the L6-7.6L, V6-4.5L, V8-6.0L or V8-6.4L engines. Check the Buyer's Guide tab to confirm your vehicle.
What are signs the regulator may need replacing?
Hard starting, rough idle, poor fuel economy, or a fuel odor can be signs. These symptoms have other possible causes, so diagnose the fuel system before replacing.
Is this a Ford diesel or gas application only?
It fits the specific engine codes listed for each application—L6-7.6L, V6-4.5L, V8-6.0L and V8-6.4L. Match your vehicle's engine to the Buyer's Guide to be sure.
How many do I need?
The listed applications call for a quantity of one per vehicle. This listing is for a single Standard Ignition PR429 regulator.
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