Tame fuel-pressure pulsations across the fuel delivery system with the Standard Ignition Fuel Injection Pressure Damper, MPN FPD42. It installs as a direct-fit replacement for the 2003-2005 Infiniti FX45, 2003-2004 Infiniti M45, and 2003-2006 Infiniti Q45, all with the V8-4.5L engine.
A fuel injection pressure damper absorbs the rapid pressure spikes and pulses created as the injectors open and close and as the fuel pump cycles, helping keep fuel pressure steady at the rail.
Signs the original damper may need replacing include a fuel odor or seepage at the unit and fuel-system noise. Because these symptoms can have other causes, diagnose the fuel system before replacing. If a failed pressure damper is the cause, this unit replaces it.
Manufacturer part number FPD42.
What does this fuel injection pressure damper do?
It absorbs the pressure pulses created as the injectors and fuel pump cycle, helping keep fuel pressure at the rail steadier and quieting fuel-system noise.
Which vehicles does the FPD42 fit?
It is a direct-fit replacement for the 2003-2005 Infiniti FX45, 2003-2004 Infiniti M45, and 2003-2006 Infiniti Q45, all with the V8-4.5L engine. See the Buyer's Guide tab to confirm your vehicle.
What are signs the pressure damper may need replacing?
A fuel odor or seepage at the damper and noticeable fuel-system noise can be signs. These symptoms have other possible causes, so diagnose the fuel system before replacing.
Will replacing this fix my fuel-system noise?
If a failed pressure damper is the cause of the noise, this unit replaces it. Confirm the source first, since other components can produce similar symptoms.
What is the manufacturer part number?
The manufacturer part number is FPD42 from Standard Ignition.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
