HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR381 Fuel Injection Pressure Regulator
Part #: PR381

Standard Ignition PR381 Fuel Injection Pressure Regulator

1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, Civic
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Overview of Standard Ignition Fuel Injection Pressure Regulator PR381

The Standard Ignition PR381 is a new, adjustable fuel injection pressure regulator designed specifically for Honda Civic models. Engineered for gas fuel systems, this returnless regulator ensures precise fuel pressure control to maintain optimal engine performance.

  • Adjustable fuel pressure regulator for precise tuning
  • Compatible with Honda Civic gas fuel injection systems
  • Includes caution sheet and o-ring for installation
  • Straight nipple orientation with one inlet and one outlet
  • New part, not remanufactured

Detailed Product Description

The Standard Ignition PR381 fuel injection pressure regulator is designed to maintain consistent fuel pressure in returnless gas fuel systems, such as those found in Honda Civic vehicles. This regulator features an adjustable design, allowing for fine-tuning of fuel pressure to meet specific engine requirements. It includes one inlet and one outlet with a straight nipple orientation, facilitating straightforward installation and connection within the fuel system. The product comes new and includes an o-ring and caution sheet to ensure proper handling and installation.

Compatible Vehicles and Applications

This fuel injection pressure regulator is compatible with Honda Civic models equipped with gas fuel injection systems. It is specifically engineered to work within the returnless fuel system type, providing reliable fuel pressure regulation for improved engine efficiency and performance.

Common Issues Addressed by PR381

  • Fuel pressure fluctuations causing engine performance issues
  • Inconsistent fuel delivery leading to rough idling or stalling
  • Fuel leaks due to worn or damaged pressure regulators
  • Poor fuel economy resulting from improper fuel pressure
  • Check engine light triggered by fuel system irregularities

Installation Notes and Tips

When installing the Standard Ignition PR381, ensure the included o-ring is properly seated to prevent leaks. The straight nipple orientation simplifies hose connections, but verify compatibility with your vehicle’s fuel lines. Follow the caution sheet instructions carefully to avoid damage during installation. Adjust the regulator settings as needed to achieve optimal fuel pressure for your Honda Civic’s engine.

Quality Assurance and Warranty

Standard Ignition provides this PR381 fuel injection pressure regulator as a new, high-quality replacement part. It is manufactured to meet or exceed OEM specifications for durability and performance. While specific warranty details are not provided here, Standard Ignition parts typically come with a limited warranty covering defects in materials and workmanship.

BrandStandard Ignition
Part NumberPR381
AdjustableYes
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
New or RemanNew
Nipple OrientationStraight
NotesIncludes O-Ring
Number of outlets1
Reference Port IncludedNo
TypeReturnless

This part fits 1 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006HondaCivic1.8LL4N/ACompatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

158-115417052SNAA002-1984924089800-493FG1044PRDL493

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.