HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR461 Fuel Injection Pressure Regulator - Right
Part #: PR461

Standard Ignition PR461 Fuel Injection Pressure Regulator - Right

Right
28 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus and Toyota, LX570, Land Cruiser, Tundra, and Sequoia
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Overview of Standard Ignition Fuel Injection Pressure Regulator PR461

The Standard Ignition PR461 fuel injection pressure regulator is designed for precise fuel pressure control in gas fuel systems. Compatible with Lexus Land Cruiser, Toyota LX570, Sequoia, and Tundra models, this adjustable regulator ensures optimal engine performance and fuel efficiency.

  • Adjustable fuel pressure regulator for precise tuning
  • Includes caution sheet and o-ring for proper installation
  • Single inlet and outlet with angled nipple orientation
  • Reference port included for accurate pressure monitoring
  • New part designed for gas fuel injection return systems

Detailed Product Description

The Standard Ignition PR461 is a new fuel injection pressure regulator engineered to maintain consistent fuel pressure in gas fuel systems. Featuring an adjustable design, it allows fine-tuning to meet specific engine requirements. The regulator includes one inlet and one outlet, both designed with an angled nipple orientation to facilitate installation in tight engine compartments. A reference port is integrated to enable precise pressure readings, which is critical for maintaining engine performance and emissions compliance. The package also contains a caution sheet and an o-ring to ensure a secure and leak-free fit during installation.

Compatible Vehicles and Applications

This fuel injection pressure regulator is compatible with select Lexus and Toyota models, including:

  • Lexus Land Cruiser
  • Toyota LX570
  • Toyota Sequoia
  • Toyota Tundra

Common Issues Addressed by PR461

  • Fuel pressure fluctuations causing engine hesitation or stalling
  • Poor fuel economy due to inconsistent fuel delivery
  • Check engine light triggered by fuel system pressure faults
  • Hard starting or rough idling related to fuel pressure irregularities
  • Fuel leaks or pressure loss from worn or damaged regulators

Installation Notes and Tips

  • Ensure the o-ring is properly seated to prevent fuel leaks
  • Use the included caution sheet to follow safety and installation guidelines
  • Verify nipple orientation matches the vehicle’s fuel line routing
  • Adjust the regulator pressure according to manufacturer specifications for your Lexus or Toyota model
  • Check for fuel leaks after installation and before engine start-up

Quality Assurance and Warranty

Standard Ignition manufactures the PR461 fuel injection pressure regulator to meet OEM standards for fit, form, and function. This new part undergoes rigorous quality control to ensure durability and reliable performance in gas fuel injection systems. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.

BrandStandard Ignition
Part NumberPR461
AdjustableYes
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
New or RemanNew
Nipple OrientationAngled
NotesIncludes O-Ring
Number of outlets1
Reference Port IncludedYes
TypeReturn

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2021LexusLX570N/A
2020LexusLX570N/A
2019LexusLX570N/A
2018LexusLX570N/A
2018ToyotaLand Cruiser5.7LV8RightLocated On Fuel Rail
2017LexusLX570N/A
2017ToyotaLand Cruiser5.7LV8RightLocated On Fuel Rail
2016LexusLX570N/A
2016ToyotaLand Cruiser5.7LV8RightLocated On Fuel Rail
2015LexusLX570N/A
2015ToyotaLand Cruiser5.7LV8RightLocated On Fuel Rail
2014LexusLX570N/A
2014ToyotaLand Cruiser5.7LV8RightLocated On Fuel Rail
2013LexusLX570N/A
2012ToyotaTundra5.7LV8GASN/ATo 09/2011; To 9/11
2011LexusLX570N/A
2011ToyotaSequoia4.6LV8GASN/A
2011ToyotaTundra5.7LV8GASN/A
2010LexusLX570N/A
2010ToyotaSequoia5.7LV8GASN/A
2010ToyotaTundra5.7LV8GASN/A
2009LexusLX570N/A
2009ToyotaSequoia5.7LV8GASN/A
2009ToyotaTundra5.7LV8GASN/A
2008LexusLX570N/A
2008ToyotaSequoia5.7LV8N/A
2008ToyotaTundra5.7LV8N/A
2007ToyotaTundra5.7LV8N/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:

2-1990292328038010241695G1491800-573FP10461PR4262

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