HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR126 Fuel Injection Pressure Regulator
Part #: PR126

Standard Ignition PR126 Fuel Injection Pressure Regulator

16 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$121.27Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, 4Runner and Pickup
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Injection Pressure Regulator for Toyota 4Runner and Pickup

The Standard Ignition PR126 fuel injection pressure regulator is designed to maintain consistent fuel pressure in gas fuel systems. Engineered for Toyota 4Runner and Pickup models, this regulator ensures optimal fuel delivery and engine performance.

  • Compatible with Toyota 4Runner and Pickup fuel injection systems
  • Operating pressure set at 43 psi for precise fuel regulation
  • Straight nipple orientation for straightforward installation
  • Includes caution sheet for safe handling and installation
  • Designed specifically for gas fuel systems

Product Features and Specifications

The PR126 fuel injection pressure regulator from Standard Ignition controls fuel pressure within the fuel injection system, maintaining a steady 43 psi operating pressure. Its straight nipple orientation simplifies connection to existing fuel lines, reducing installation complexity. This part is intended for gas-powered Toyota 4Runner and Pickup vehicles, ensuring compatibility with their fuel delivery systems. The included caution sheet provides important safety and installation guidelines.

Purpose and Common Applications

  • Regulates fuel pressure to prevent engine performance issues
  • Helps resolve fuel delivery inconsistencies and rough idling
  • Addresses fuel system leaks caused by faulty pressure regulation
  • Prevents engine stalling related to improper fuel pressure
  • Supports efficient fuel injection system operation in Toyota 4Runner and Pickup models

Installation Notes and Tips

When installing the Standard Ignition PR126 fuel injection pressure regulator, ensure the straight nipple orientation aligns correctly with the fuel lines. Follow the included caution sheet carefully to avoid damage or improper installation. It is recommended to relieve fuel system pressure before removal and installation to prevent fuel spray. Verify all connections are secure and check for leaks after installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for reliable performance. The PR126 fuel injection pressure regulator undergoes quality control testing to ensure consistent operating pressure and durability. Please refer to Standard Ignition's warranty policy for coverage details on this part.

BrandStandard Ignition
Part NumberPR126
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
Nipple OrientationStraight
Operating Pressure - PSI43 psi

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995Toyota4Runner2.4LL4N/A
1995ToyotaPickup2.4LL4N/A
1994Toyota4Runner2.4LL4N/A
1994ToyotaPickup2.4LL4N/A
1993Toyota4Runner2.4LL4N/A
1993ToyotaPickup2.4LL4N/A
1992Toyota4Runner2.4LL4N/A
1992ToyotaPickup2.4LL4N/A
1991Toyota4Runner2.4LL4N/A
1991ToyotaPickup2.4LL4N/A
1990Toyota4Runner2.4LL4N/A
1990ToyotaPickup2.4LL4N/A
1989Toyota4Runner2.4LL4N/A
1989ToyotaPickup2.4LL4N/A
1988Toyota4Runner2.4LL4N/A
1988ToyotaPickup2.4LL4N/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:

143-743158-02522-1954321054217-20892187223280350305G135164028800-238FP10119PR460

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