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Standard Ignition PR105 Fuel Injection Pressure RegulatorOE Quality 60-Day Returns
Part #: PR105

Standard Ignition PR105 Fuel Injection Pressure Regulator

79 vehicles fit this part
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Fitment: Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Cadillac, Saturn, and Buick, S10, Sonoma, Hombre, Rodeo, Trooper, LLV, Lumina, Monte Carlo, Cutlass Supreme, Grand Prix, DeVille, Eldorado, Seville, SC2, SL2, SW2, Century, Skylark, Allante, Camaro, Achieva, Cutlass Ciera, Cutlass Cruiser, Firebird, Grand Am, SC, and Cutlass Calais
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Reliable Fuel Injection Pressure Regulator for GM and Isuzu Vehicles

The Standard Ignition PR105 fuel injection pressure regulator is designed to maintain consistent fuel pressure for gas engines in select Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, and Saturn models. Engineered with a straight nipple orientation and a durable yellow dichromium finish, this return-type regulator operates at 45 psi to ensure optimal fuel delivery and engine performance.

  • Compatible with Buick Achieva, Cadillac Allante, Chevrolet Camaro, GMC Sonoma, Isuzu Rodeo, Oldsmobile Cutlass, Pontiac Firebird, Saturn SL2, and other models
  • Fuel type: Gasoline
  • Operating pressure: 45 psi for precise fuel regulation
  • Straight nipple orientation for straightforward installation
  • Durable yellow dichromium finish resists corrosion
  • Return-type regulator design for consistent fuel pressure control
  • Includes caution sheet for safe handling and installation

Product Details and Specifications

The Standard Ignition PR105 fuel injection pressure regulator is a critical component in the fuel injection system, responsible for maintaining the correct fuel pressure to the injectors. This part is specifically designed for gasoline engines and features a return-type design that helps regulate excess fuel back to the tank. The 45 psi operating pressure ensures stable fuel delivery, which is essential for engine efficiency and emissions control. The straight nipple orientation simplifies hose connections during installation, while the yellow dichromium finish provides enhanced corrosion resistance, extending the part's service life.

Applications and Common Issues Addressed

  • Maintains consistent fuel pressure in Buick Achieva and Chevrolet Camaro fuel injection systems
  • Prevents fuel pressure fluctuations that can cause rough idling or poor acceleration in Pontiac Firebird and GMC Sonoma
  • Helps resolve fuel leaks or pressure drops in Cadillac Allante and Oldsmobile Cutlass models
  • Supports proper fuel delivery to improve engine performance in Isuzu Rodeo and Saturn SL2 vehicles
  • Reduces risk of engine stalling related to fuel pressure irregularities

Installation Notes and Tips

When installing the Standard Ignition PR105 fuel injection pressure regulator, ensure the engine is cool and fuel system pressure is relieved before removal. The straight nipple orientation allows for direct hose attachment, but verify hose condition and replace if necessary to prevent leaks. Follow the included caution sheet for safety guidelines and torque specifications. Proper installation will help maintain fuel system integrity and engine performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The PR105 fuel injection pressure regulator undergoes rigorous quality control testing to guarantee consistent operating pressure and fitment accuracy. This part includes a caution sheet to assist with safe installation. Warranty coverage details are available through Standard Ignition and vary by distributor.

BrandStandard Ignition
Part NumberPR105
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
Nipple OrientationStraight
Operating Pressure - PSI45 psi
Regulator FinishYellow Dichromium
TypeReturn

This part fits 79 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2000ChevroletS10-L--N/A
2000ChevroletS102.2LL4N/A
2000GMCSonoma2.2LL4GASN/A
2000GMCSonoma2.2LL4FLEXN/A
2000IsuzuHombre2.2LL4N/A
1999ChevroletS10-L--N/A
1999ChevroletS102.2LL4N/A
1999GMCSonoma2.2LL4N/A
1999IsuzuHombre2.2LL4N/A
1998ChevroletS10-L--N/A
1998ChevroletS102.2LL4N/A
1998GMCSonoma2.2LL4N/A
1998IsuzuHombre2.2LL4N/A
1997ChevroletS10-L--N/A
1997ChevroletS102.2LL4N/A
1997GMCSonoma2.2LL4N/A
1997IsuzuHombre2.2LL4N/A
1997IsuzuRodeo3.2LV6N/A
1997IsuzuTrooper3.2LV6N/A
1996ChevroletS102.2LL4N/A
1996GMCSonoma2.2LL4N/A
1996IsuzuHombre2.2LL4N/A
1996IsuzuRodeo3.2LV6N/A
1996IsuzuTrooper3.2LV6N/A
1995ChevroletLumina3.4LV6N/A
1995ChevroletMonte Carlo3.4LV6N/A
1995ChevroletS102.2LL4N/A
1995GMCSonoma2.2LL4N/A
1995OldsmobileCutlass Supreme3.4LV6N/A
1995PontiacGrand Prix3.4LV6N/A
1994CadillacDeVille4.6LV8N/A
1994CadillacEldorado4.6LV8N/A
1994CadillacSeville4.6LV8N/A
1994ChevroletLumina3.4LV6N/A
1994ChevroletS102.2LL4N/A
1994GMCSonoma2.2LL4N/A
1994OldsmobileCutlass Supreme3.4LV6N/A
1994PontiacGrand Prix3.4LV6N/A
1994SaturnSC21.9LL4N/A
1994SaturnSL21.9LL4N/A
1994SaturnSW21.9LL4N/A
1993BuickCentury3.3LV6N/A
1993BuickSkylark3.3LV6N/A
1993CadillacAllanteN/A
1993CadillacEldorado4.6LV8N/A
1993CadillacSeville4.6LV8N/A
1993ChevroletCamaro5.7LV8N/A
1993ChevroletLumina3.4LV6N/A
1993OldsmobileAchieva3.3LV6N/A
1993OldsmobileCutlass Ciera3.3LV6N/A
1993OldsmobileCutlass Cruiser3.3LV6N/A
1993OldsmobileCutlass Supreme3.4LV6N/A
1993PontiacFirebird5.7LV8N/A
1993PontiacGrand Am3.3LV6N/A
1993PontiacGrand Prix3.4LV6N/A
1993SaturnSC21.9LL4N/A
1993SaturnSL21.9LL4N/A
1993SaturnSW21.9LL4N/A
1992BuickCentury3.3LV6N/A
1992BuickSkylark3.3LV6N/A
1992ChevroletLumina3.4LV6N/A
1992OldsmobileAchieva3.3LV6N/A
1992OldsmobileCutlass Ciera3.3LV6N/A
1992OldsmobileCutlass Cruiser3.3LV6N/A
1992OldsmobileCutlass Supreme3.4LV6N/A
1992PontiacGrand Am3.3LV6N/A
1992PontiacGrand Prix3.4LV6N/A
1992SaturnSC1.9LL4N/A
1992SaturnSL21.9LL4N/A
1991BuickCentury3.3LV6N/A
1991BuickSkylark3.3LV6N/A
1991ChevroletLumina3.4LV6N/A
1991OldsmobileCutlass Calais3.3LV6N/A
1991OldsmobileCutlass Ciera3.3LV6N/A
1991OldsmobileCutlass Cruiser3.3LV6N/A
1991OldsmobileCutlass Supreme3.4LV6N/A
1991PontiacGrand Prix3.4LV6N/A
1991SaturnSC1.9LL4N/A
1991SaturnSL21.9LL4N/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:

143-413158-0729170892032-19613210142101542722851255-10143-196135G1068800-2178171222830FP10027FPR11PR105TPR118SKPR105

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

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