HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR337 Fuel Injection Pressure Regulator
Part #: PR337

Standard Ignition PR337 Fuel Injection Pressure Regulator

7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, Protege and Protege5
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Reliable Fuel Injection Pressure Regulator for Mazda Protege

The Standard Ignition PR337 fuel injection pressure regulator is designed specifically for Mazda Protege and Protege5 models. This new, bolt-mount regulator ensures consistent fuel pressure control within the gas fuel injection system, helping maintain optimal engine performance.

  • Compatible with Mazda Protege and Protege5
  • New stainless steel construction for durability
  • Bolt mount installation with angled nipple orientation
  • Includes o-ring and caution sheet for proper setup
  • Single inlet and outlet with two ports for return system
  • Silver finish regulator and part for corrosion resistance

Durable Construction and Precise Fuel Regulation

The PR337 fuel injection pressure regulator from Standard Ignition is crafted from stainless steel and steel materials, providing strength and resistance to wear in demanding engine environments. Its silver finish adds an extra layer of protection against corrosion. Designed as a return-type regulator, it features one inlet and one outlet port with an angled nipple orientation to facilitate proper fuel flow. The bolt mount design allows for secure and straightforward installation on compatible Mazda Protege and Protege5 vehicles. This regulator is not adjustable, ensuring factory-specified fuel pressure is maintained consistently.

Purpose and Common Applications

  • Maintains consistent fuel pressure in the fuel injection system
  • Prevents fuel pressure fluctuations that can cause engine hesitation
  • Helps avoid fuel leaks by providing a secure seal with included o-ring
  • Supports efficient fuel delivery for improved engine response
  • Replaces worn or faulty pressure regulators in Mazda Protege and Protege5

Installation Notes and Tips

Installation of the Standard Ignition PR337 requires a bolt mount setup, compatible with the fuel injection system of Mazda Protege and Protege5 models. Ensure the included o-ring is properly seated to prevent leaks. The angled nipple orientation should be aligned according to factory specifications. Refer to the included caution sheet for detailed safety and installation instructions. It is recommended to inspect fuel lines and connectors during installation for any signs of wear or damage.

Quality Assurance and Warranty

Standard Ignition provides this PR337 fuel injection pressure regulator as a new, high-quality replacement part. Manufactured with durable stainless steel and steel materials, it meets OEM standards for fit and function. The product includes a caution sheet to guide proper installation and usage. While specific warranty details are not provided here, Standard Ignition parts typically come with a limited warranty against defects in material and workmanship.

BrandStandard Ignition
Part NumberPR337
Automotive Performance ItemNo
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
Mounting TypeBolt Mount
Nipple OrientationAngled
NotesIncludes O-Ring
Part FinishSilver
Regulator FinishSilver
Regulator MaterialSteel
TypeReturn

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003MazdaProtege2.0LL4N/A
2003MazdaProtege5N/A
2002MazdaProtege2.0LL4N/A
2002MazdaProtege5N/A
2001MazdaProtege2.0LL4N/A
2000MazdaProtege1.8LL4N/A
1999MazdaProtege1.8LL4N/A

* 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:

158-05962-19805240445G1244800-449FP10408FP4713280APR4068

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