Homeโ€บ Air and Fuel Delivery > Fuel Injection System and Related Componentsโ€บ Standard Ignition PR203 Fuel Injection Pressure Regulator
Part #: PR203

Standard Ignition PR203 Fuel Injection Pressure Regulator

357 vehicles fit this part
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Fitment: Chevrolet, GMC, Oldsmobile, Cadillac, and Isuzu, Express 1500, Silverado 1500, Savana 1500, Sierra 1500, Astro, Blazer, Express 2500, Jimmy, Safari, Savana 2500, S10, Sonoma, Express 3500, Savana 3500, C1500, G30, Bravada, Escalade, C3500, K3500, Tahoe, Yukon, Hombre, C1500 Suburban, C2500, C2500 Suburban, K1500, K1500 Suburban, K2500 Suburban, P30, Suburban 1500, K2500, and P3500
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Reliable Fuel Injection Pressure Regulator for GM and Isuzu Vehicles

The Standard Ignition PR203 fuel injection pressure regulator is designed to maintain consistent fuel pressure in gas-powered engines. Engineered for compatibility with various Cadillac, Chevrolet, GMC, Isuzu, and Oldsmobile models, this regulator ensures proper fuel delivery and engine performance.

Key Features of Standard Ignition PR203

  • Non-adjustable fuel injection pressure regulator for stable operation
  • Constructed from durable steel with a yellow dichromium finish for corrosion resistance
  • Includes a caution sheet for safe installation and handling
  • Single inlet and port with angled nipple orientation for precise fuel flow
  • Bolt mount design for secure and straightforward installation
  • Reference port included to support accurate fuel pressure monitoring
  • Compatible with gas fuel systems in select GM and Isuzu vehicles

Detailed Product Description

The Standard Ignition PR203 is a return-type fuel injection pressure regulator crafted from steel with a brass finish, providing durability and resistance to wear. Its yellow dichromium regulator finish adds an extra layer of protection against corrosion. Designed with a single inlet and port, the regulator features an angled nipple orientation to optimize fuel flow and pressure control. The bolt mount installation method ensures a secure fit within the fuel injection system. This part is specifically engineered for gas-fueled engines and includes a reference port to facilitate accurate fuel pressure readings, essential for maintaining engine efficiency.

Applications and Common Issues Addressed

  • Maintains consistent fuel pressure to prevent engine stalling or hesitation
  • Helps resolve fuel delivery problems such as rough idling or poor acceleration
  • Prevents fuel leaks by ensuring a secure seal within the fuel injection system
  • Supports proper fuel return flow to avoid excessive fuel pressure buildup
  • Reduces risk of engine misfires related to fuel pressure fluctuations

Installation Notes and Tips

  • Ensure the vehicle is compatible: fits Cadillac, Chevrolet, GMC, Isuzu, and Oldsmobile models including Silverado 1500, Tahoe, Escalade, and more
  • Follow the included caution sheet carefully to avoid damage during installation
  • Use appropriate tools for bolt mount installation to secure the regulator firmly
  • Inspect fuel lines and connections for wear or damage before installing the new regulator
  • Verify fuel pressure after installation using the reference port to confirm proper operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The PR203 fuel injection pressure regulator undergoes rigorous quality control to maintain consistent fuel system operation. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberPR203
AdjustableNo
Automotive Performance ItemNo
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
MaterialSteel
Mounting TypeBolt Mount
Nipple OrientationAngled
Part FinishBrass
Reference Port IncludedYes
Regulator FinishYellow Dichromium
Regulator MaterialSteel
TypeReturn

This part fits 357 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006ChevroletExpress 15004.3LV6N/Aw/ Returnless System
2006ChevroletSilverado 15004.3LV6N/Aw/ Fuel Return Line
2006ChevroletSilverado 35005.7LV8N/A
2006GMCSavana 15004.3LV6N/Aw/ Returnless System
2006GMCSierra 15004.3LV6N/Aw/ Fuel Return Line
2005ChevroletAstro4.3LV6N/A
2005ChevroletBlazer4.3LV6N/A
2005ChevroletExpress 15004.3LV6N/A
2005ChevroletExpress 25004.3LV6N/A
2005ChevroletSilverado 15004.3LV6N/A
2005ChevroletSilverado 35005.7LV8N/A
2005GMCJimmyN/A
2005GMCSafari4.3LV6N/A
2005GMCSavana 15004.3LV6N/A
2005GMCSavana 25004.3LV6N/A
2005GMCSierra 15004.3LV6N/A
2004ChevroletAstro4.3LV6N/A
2004ChevroletBlazer4.3LV6N/A
2004ChevroletExpress 15004.3LV6N/A
2004ChevroletExpress 25004.3LV6N/A
2004ChevroletS104.3LV6N/A
2004ChevroletSilverado 15004.3LV6N/A
2004ChevroletSilverado 35005.7LV8N/A
2004GMCJimmy4.3LV6N/A
2004GMCSafari4.3LV6N/A
2004GMCSavana 15004.3LV6N/A
2004GMCSavana 25004.3LV6N/A
2004GMCSierra 15004.3LV6N/A
2004GMCSonoma4.3LV6N/A
2003ChevroletAstro4.3LV6N/A
2003ChevroletBlazerN/A
2003ChevroletExpress 15004.3LV6N/A
2003ChevroletExpress 25004.3LV6N/A
2003ChevroletS104.3LV6N/A
2003ChevroletSilverado 15004.3LV6N/A
2003GMCJimmy4.3LV6N/A
2003GMCSafari4.3LV6N/A
2003GMCSavana 15004.3LV6N/A
2003GMCSavana 25004.3LV6N/A
2003GMCSierra 15004.3LV6N/A
2003GMCSonoma4.3LV6N/A
2002ChevroletAstro4.3LV6N/A
2002ChevroletBlazerN/A
2002ChevroletExpress 15004.3LV6N/A
2002ChevroletExpress 15005.7LV8N/A
2002ChevroletExpress 15005.0LV8N/A
2002ChevroletExpress 25004.3LV6N/A
2002ChevroletExpress 25005.0LV8N/A
2002ChevroletExpress 25005.7LV8N/A
2002ChevroletExpress 35005.7LV8N/A
2002ChevroletS104.3LV6N/A
2002ChevroletSilverado 15004.3LV6N/A
2002GMCJimmy4.3LV6N/A
2002GMCSafari4.3LV6N/A
2002GMCSavana 15005.7LV8N/A
2002GMCSavana 15004.3LV6N/A
2002GMCSavana 15005.0LV8N/A
2002GMCSavana 25004.3LV6N/A
2002GMCSavana 25005.0LV8N/A
2002GMCSavana 25005.7LV8N/A
2002GMCSavana 35005.7LV8N/A
2002GMCSierra 15004.3LV6N/A
2002GMCSierra 15005.3LV8FLEXN/A
2002GMCSonoma4.3LV6N/A
2001ChevroletAstro4.3LV6N/A
2001ChevroletBlazerN/A
2001ChevroletC15004.3LV6N/A
2001ChevroletExpress 15004.3LV6N/A
2001ChevroletExpress 15005.7LV8N/A
2001ChevroletExpress 15005.0LV8N/A
2001ChevroletExpress 25004.3LV6N/A
2001ChevroletExpress 25005.0LV8N/A
2001ChevroletExpress 25005.7LV8N/A
2001ChevroletExpress 35005.7LV8N/A
2001ChevroletG304.3LV6N/A
2001ChevroletS104.3LV6N/A
2001ChevroletSilverado 15004.3LV6N/A
2001GMCJimmyN/A
2001GMCSafari4.3LV6N/A
2001GMCSavana 15004.3LV6N/A
2001GMCSavana 15005.7LV8N/A
2001GMCSavana 15005.0LV8N/A
2001GMCSavana 25005.0LV8N/A
2001GMCSavana 25004.3LV6N/A
2001GMCSavana 25005.7LV8N/A
2001GMCSavana 35005.7LV8N/A
2001GMCSierra 15004.3LV6N/A
2001GMCSonoma4.3LV6N/A
2001OldsmobileBravada4.3LV6N/A
2000CadillacEscalade5.7LV8N/A
2000ChevroletAstro4.3LV6N/A
2000ChevroletBlazer4.3LV6N/A
2000ChevroletC15004.3LV6N/A
2000ChevroletC35005.7LV8N/A
2000ChevroletExpress 15005.0LV8N/A
2000ChevroletExpress 15004.3LV6N/A
2000ChevroletExpress 15005.7LV8N/A
2000ChevroletExpress 25004.3LV6N/A
2000ChevroletExpress 25005.7LV8N/A
2000ChevroletExpress 25005.0LV8N/A
2000ChevroletExpress 35005.7LV8N/A
2000ChevroletK35005.7LV8N/A
2000ChevroletS104.3LV6N/A
2000ChevroletSilverado 15004.3LV6N/A
2000ChevroletSilverado 25005.7LV8N/A
2000ChevroletTahoe5.7LV8N/A
2000GMCC35005.7LV8N/A
2000GMCJimmyN/A
2000GMCK35005.7LV8N/A
2000GMCSafari4.3LV6N/A
2000GMCSavana 15005.7LV8N/A
2000GMCSavana 15004.3LV6N/A
2000GMCSavana 15005.0LV8N/A
2000GMCSavana 25005.0LV8N/A
2000GMCSavana 25005.7LV8N/A
2000GMCSavana 25004.3LV6N/A
2000GMCSavana 35005.7LV8N/A
2000GMCSierra 15004.3LV6N/A
2000GMCSonoma4.3LV6N/A
2000GMCYukon5.7LV8N/A
2000IsuzuHombre4.3LV6N/A
2000OldsmobileBravada4.3LV6N/A
1999CadillacEscalade5.7LV8N/A
1999ChevroletAstro4.3LV6N/A
1999ChevroletBlazer4.3LV6N/A
1999ChevroletC15005.0LV8N/A
1999ChevroletC15005.7LV8N/AOE No. 17113203
1999ChevroletC1500 Suburban5.7LV8N/A
1999ChevroletC25005.7LV8N/A
1999ChevroletC2500 Suburban5.7LV8N/A
1999ChevroletC35005.7LV8N/A
1999ChevroletExpress 15005.0LV8N/A
1999ChevroletExpress 15004.3LV6N/A
1999ChevroletExpress 15005.7LV8N/A
1999ChevroletExpress 25004.3LV6N/A
1999ChevroletExpress 25005.7LV8N/A
1999ChevroletExpress 25005.0LV8N/A
1999ChevroletExpress 35005.7LV8N/A
1999ChevroletK15005.7LV8N/A
1999ChevroletK15005.0LV8N/A
1999ChevroletK1500 Suburban5.7LV8N/A
1999ChevroletK25005.7LV8N/A
1999ChevroletK2500 Suburban5.7LV8N/A
1999ChevroletK35005.7LV8N/A
1999ChevroletP304.3LV6N/A
1999ChevroletP305.7LV8N/A
1999ChevroletS104.3LV6N/A
1999ChevroletSilverado 15004.3LV6N/A
1999ChevroletSuburban 15005.7LV8N/A
1999ChevroletTahoe5.7LV8N/A
1999GMCC15005.0LV8N/A
1999GMCC15005.7LV8N/A
1999GMCC1500 Suburban5.7LV8N/A
1999GMCC25005.7LV8N/A
1999GMCC2500 Suburban5.7LV8N/A
1999GMCC35005.7LV8N/A
1999GMCJimmyN/A
1999GMCK15005.0LV8N/A
1999GMCK15005.7LV8N/A
1999GMCK1500 Suburban5.7LV8N/A
1999GMCK25005.7LV8N/A
1999GMCK2500 Suburban5.7LV8N/A
1999GMCK35005.7LV8N/A
1999GMCP35005.7LV8N/A
1999GMCP35004.3LV6N/A
1999GMCSafari4.3LV6N/A
1999GMCSavana 15004.3LV6N/A
1999GMCSavana 15005.0LV8N/A
1999GMCSavana 15005.7LV8N/A
1999GMCSavana 25005.0LV8N/A
1999GMCSavana 25004.3LV6N/A
1999GMCSavana 25005.7LV8N/A
1999GMCSavana 35005.7LV8N/A
1999GMCSierra 15004.3LV6N/A
1999GMCSonoma4.3LV6N/A
1999GMCYukon5.7LV8N/A
1999IsuzuHombre4.3LV6N/A
1999OldsmobileBravada4.3LV6N/A
1998ChevroletAstro4.3LV6N/A
1998ChevroletBlazer4.3LV6N/A
1998ChevroletC15005.0LV8N/A
1998ChevroletC15005.7LV8N/AOE No. 17113203
1998ChevroletC15004.3LV6N/A
1998ChevroletC1500 Suburban5.7LV8N/A
1998ChevroletC25005.7LV8N/A
1998ChevroletC25005.0LV8N/A
1998ChevroletC2500 Suburban5.7LV8N/A
1998ChevroletC35005.7LV8N/A
1998ChevroletExpress 15005.7LV8N/A
1998ChevroletExpress 15005.0LV8N/A
1998ChevroletExpress 15004.3LV6N/A
1998ChevroletExpress 25004.3LV6N/A
1998ChevroletExpress 25005.7LV8N/A
1998ChevroletExpress 25005.0LV8N/A
1998ChevroletExpress 35005.7LV8N/A
1998ChevroletK15005.0LV8N/A
1998ChevroletK15004.3LV6N/A
1998ChevroletK15005.7LV8N/A
1998ChevroletK1500 Suburban5.7LV8N/A
1998ChevroletK25005.0LV8N/A
1998ChevroletK25005.7LV8N/A
1998ChevroletK2500 Suburban5.7LV8N/A
1998ChevroletK35005.7LV8N/A
1998ChevroletP304.3LV6N/A
1998ChevroletP305.7LV8N/A
1998ChevroletS104.3LV6N/A
1998ChevroletSuburban 15005.7LV8N/A
1998ChevroletTahoe5.7LV8N/A
1998GMCC15004.3LV6N/A
1998GMCC15005.0LV8N/A
1998GMCC15005.7LV8N/A
1998GMCC1500 Suburban5.7LV8N/A
1998GMCC25005.0LV8N/A
1998GMCC25005.7LV8N/A
1998GMCC2500 Suburban5.7LV8N/A
1998GMCC35005.7LV8N/A
1998GMCJimmyN/A
1998GMCK15005.7LV8N/A
1998GMCK15005.0LV8N/A
1998GMCK15004.3LV6N/A
1998GMCK1500 Suburban5.7LV8N/A
1998GMCK25005.0LV8N/A
1998GMCK25005.7LV8N/A
1998GMCK2500 Suburban5.7LV8N/A
1998GMCK35005.7LV8N/A
1998GMCP35005.7LV8N/A
1998GMCP35004.3LV6N/A
1998GMCSafari4.3LV6N/A
1998GMCSavana 15004.3LV6N/A
1998GMCSavana 15005.7LV8N/A
1998GMCSavana 15005.0LV8N/A
1998GMCSavana 25004.3LV6N/A
1998GMCSavana 25005.7LV8N/A
1998GMCSavana 25005.0LV8N/A
1998GMCSavana 35005.7LV8N/A
1998GMCSonoma4.3LV6N/A
1998GMCYukon5.7LV8N/A
1998IsuzuHombre4.3LV6N/A
1998OldsmobileBravada4.3LV6N/A
1997ChevroletAstro4.3LV6N/A
1997ChevroletBlazer4.3LV6N/A
1997ChevroletC15005.0LV8N/A
1997ChevroletC15005.7LV8N/AOE No. 17113203
1997ChevroletC15004.3LV6N/A
1997ChevroletC1500 Suburban5.7LV8N/A
1997ChevroletC25005.0LV8N/A
1997ChevroletC25005.7LV8N/A
1997ChevroletC2500 Suburban5.7LV8N/A
1997ChevroletC35005.7LV8N/A
1997ChevroletExpress 15004.3LV6N/A
1997ChevroletExpress 15005.7LV8N/A
1997ChevroletExpress 15005.0LV8N/A
1997ChevroletExpress 25005.0LV8N/A
1997ChevroletExpress 25005.7LV8N/A
1997ChevroletExpress 25004.3LV6N/A
1997ChevroletExpress 35005.7LV8N/A
1997ChevroletK15005.7LV8N/A
1997ChevroletK15004.3LV6N/A
1997ChevroletK15005.0LV8N/A
1997ChevroletK1500 Suburban5.7LV8N/A
1997ChevroletK25005.0LV8N/A
1997ChevroletK25005.7LV8N/A
1997ChevroletK2500 Suburban5.7LV8N/A
1997ChevroletK35005.7LV8N/A
1997ChevroletP304.3LV6N/A
1997ChevroletP305.7LV8N/A
1997ChevroletS104.3LV6N/A
1997ChevroletSuburban 15005.7LV8N/A
1997ChevroletTahoe5.7LV8N/A
1997GMCC15005.0LV8N/A
1997GMCC15005.7LV8N/A
1997GMCC15004.3LV6N/A
1997GMCC1500 Suburban5.7LV8N/A
1997GMCC25005.0LV8N/A
1997GMCC25005.7LV8N/A
1997GMCC2500 Suburban5.7LV8N/A
1997GMCC35005.7LV8N/A
1997GMCJimmyN/A
1997GMCK15004.3LV6N/A
1997GMCK15005.0LV8N/A
1997GMCK15005.7LV8N/A
1997GMCK1500 Suburban5.7LV8N/A
1997GMCK25005.7LV8N/A
1997GMCK2500 Suburban5.7LV8N/A
1997GMCK35005.7LV8N/A
1997GMCP35005.7LV8N/A
1997GMCP35004.3LV6N/A
1997GMCSafari4.3LV6N/A
1997GMCSavana 15005.0LV8N/A
1997GMCSavana 15004.3LV6N/A
1997GMCSavana 15005.7LV8N/A
1997GMCSavana 25005.0LV8N/A
1997GMCSavana 25004.3LV6N/A
1997GMCSavana 25005.7LV8N/A
1997GMCSavana 35005.7LV8N/A
1997GMCSonoma4.3LV6N/A
1997GMCYukon5.7LV8N/A
1997IsuzuHombre4.3LV6N/A
1997OldsmobileBravada4.3LV6N/A
1996ChevroletAstro4.3LV6N/A
1996ChevroletBlazer4.3LV6N/A
1996ChevroletC15005.7LV8N/AOE No. 17113203
1996ChevroletC15004.3LV6N/A
1996ChevroletC15005.0LV8N/A
1996ChevroletC1500 Suburban5.7LV8N/A
1996ChevroletC25005.7LV8N/A
1996ChevroletC25005.0LV8N/A
1996ChevroletC2500 Suburban5.7LV8N/A
1996ChevroletC35005.7LV8N/A
1996ChevroletExpress 15005.7LV8N/A
1996ChevroletExpress 15005.0LV8N/A
1996ChevroletExpress 15004.3LV6N/A
1996ChevroletExpress 25004.3LV6N/A
1996ChevroletExpress 25005.0LV8N/A
1996ChevroletExpress 25005.7LV8N/A
1996ChevroletExpress 35005.7LV8N/A
1996ChevroletK15004.3LV6N/A
1996ChevroletK15005.7LV8N/A
1996ChevroletK15005.0LV8N/A
1996ChevroletK1500 Suburban5.7LV8N/A
1996ChevroletK25005.7LV8N/A
1996ChevroletK2500 Suburban5.7LV8N/A
1996ChevroletK35005.7LV8N/A
1996ChevroletP304.3LV6N/A
1996ChevroletP305.7LV8N/A
1996ChevroletS104.3LV6N/A
1996ChevroletSuburban 15005.7LV8N/A
1996ChevroletTahoe5.7LV8N/A
1996GMCC15005.0LV8N/A
1996GMCC15005.7LV8N/A
1996GMCC15004.3LV6N/A
1996GMCC1500 Suburban5.7LV8N/A
1996GMCC25005.0LV8N/A
1996GMCC25005.7LV8N/A
1996GMCC2500 Suburban5.7LV8N/A
1996GMCC35005.7LV8N/A
1996GMCJimmyN/A
1996GMCK15005.7LV8N/A
1996GMCK15004.3LV6N/A
1996GMCK15005.0LV8N/A
1996GMCK1500 Suburban5.7LV8N/A
1996GMCK25005.7LV8N/A
1996GMCK2500 Suburban5.7LV8N/A
1996GMCK35005.7LV8N/A
1996GMCP35004.3LV6N/A
1996GMCP35005.7LV8N/A
1996GMCSafari4.3LV6N/A
1996GMCSavana 15005.0LV8N/A
1996GMCSavana 15004.3LV6N/A
1996GMCSavana 15005.7LV8N/A
1996GMCSavana 25004.3LV6N/A
1996GMCSavana 25005.0LV8N/A
1996GMCSavana 25005.7LV8N/A
1996GMCSavana 35005.7LV8N/A
1996GMCSonoma4.3LV6N/A
1996GMCYukon5.7LV8N/A
1996OldsmobileBravada4.3LV6N/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:

158-0730171132032-1971121091230433-197115G1069800-3158125749860885174FP10075FPR7PR122PR203TSKPR203

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