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Standard Ignition PR461 Fuel Injection Pressure Regulator - Right
| Brand | Standard Ignition PR461 |
|---|---|
| Position | Right |
| Adjustable | Yes |
| Contents | Includes Caution Sheet |
| Fuel Type | Gas |
| Functions | Regulator |
| New or Reman | New |
| Nipple Orientation | Angled |
| Notes | Includes O-Ring |
| Number of outlets | 1 |
| Reference Port Included | Yes |
| Type | Return |
| Fits | Lexus and Toyota · 28 vehicles |
Adjustable regulator. Lets you fine-tune fuel pressure for the system.
Return-type design. Supports steady fuel control in gas applications.
Includes O-ring. Comes with a reference port and caution sheet.
Cross-references NTK 24169, Standard Ignition PR461 and 2-199029 for the same application. See all 5.
Fuel Pressure Control for Toyota and Lexus
The Standard Ignition PR461 is a new fuel injection pressure regulator for gas systems with a return-style layout. It is adjustable, includes a reference port, and uses an angled nipple orientation for fuel rail service on select Toyota and Lexus applications.
- Adjustable fuel injection pressure regulator for gas fuel systems
- Return-type design with 1 inlet and 1 outlet
- Includes reference port for pressure control diagnostics
- Angled nipple orientation for fuel rail routing
- Includes O-ring and caution sheet
- New replacement part from Standard Ignition
Detailed Application Coverage
Standard Ignition PR461 is used to regulate fuel pressure in return-style fuel injection systems, helping maintain the pressure balance required for consistent injector operation. It is a direct-fit service part for select Lexus LX570, Toyota Land Cruiser, Toyota Sequoia, and Toyota Tundra models, including Fits 2014-2018 Toyota Land Cruiser, right, located on fuel rail, and Fits 2007-2011 Toyota Tundra. This part cross-references NTK 24169 for the same application.
Common Problems It Can Address
- Fuel pressure that is too high or too low at the rail
- Hard starting related to unstable fuel delivery
- Rough idle caused by inconsistent injector pressure
- Fuel odor or pressure loss tied to regulator wear
- Driveability issues on Toyota Tundra, Sequoia, and Lexus LX570 fuel systems
Installation Notes and Tips
Verify the vehicle uses a gas, return-type fuel system before installation. Confirm the regulator location on the fuel rail, especially on 2014-2018 Toyota Land Cruiser applications where the fitment notes specify the right side. Replace the O-ring during service, follow the included caution sheet, and check fuel pressure after installation to confirm proper operation. The PR461 part number should be matched to the vehicle’s original regulator style and port orientation.
Quality Assurance
Standard Ignition supplies this PR461 regulator as a new replacement component for fuel system service. Confirm fitment by year, make, model, and fuel system configuration before ordering.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Lexus | LX570 | — | — | — | N/A | — |
| 2020 | Lexus | LX570 | — | — | — | N/A | — |
| 2019 | Lexus | LX570 | — | — | — | N/A | — |
| 2018 | Lexus | LX570 | — | — | — | N/A | — |
| 2018 | Toyota | Land Cruiser | 5.7L | V8 | — | Right | Located On Fuel Rail |
| 2017 | Lexus | LX570 | — | — | — | N/A | — |
| 2017 | Toyota | Land Cruiser | 5.7L | V8 | — | Right | Located On Fuel Rail |
| 2016 | Lexus | LX570 | — | — | — | N/A | — |
| 2016 | Toyota | Land Cruiser | 5.7L | V8 | — | Right | Located On Fuel Rail |
| 2015 | Lexus | LX570 | — | — | — | N/A | — |
| 2015 | Toyota | Land Cruiser | 5.7L | V8 | — | Right | Located On Fuel Rail |
| 2014 | Lexus | LX570 | — | — | — | N/A | — |
| 2014 | Toyota | Land Cruiser | 5.7L | V8 | — | Right | Located On Fuel Rail |
| 2013 | Lexus | LX570 | — | — | — | N/A | — |
| 2012 | Toyota | Tundra | 5.7L | V8 | GAS | N/A | To 09/2011; To 9/11 |
| 2011 | Lexus | LX570 | — | — | — | N/A | — |
| 2011 | Toyota | Sequoia | 4.6L | V8 | GAS | N/A | — |
| 2011 | Toyota | Tundra | 5.7L | V8 | GAS | N/A | — |
| 2010 | Lexus | LX570 | — | — | — | N/A | — |
| 2010 | Toyota | Sequoia | 5.7L | V8 | GAS | N/A | — |
| 2010 | Toyota | Tundra | 5.7L | V8 | GAS | N/A | — |
| 2009 | Lexus | LX570 | — | — | — | N/A | — |
| 2009 | Toyota | Sequoia | 5.7L | V8 | GAS | N/A | — |
| 2009 | Toyota | Tundra | 5.7L | V8 | GAS | N/A | — |
| 2008 | Lexus | LX570 | — | — | — | N/A | — |
| 2008 | Toyota | Sequoia | 5.7L | V8 | — | N/A | — |
| 2008 | Toyota | Tundra | 5.7L | V8 | — | N/A | — |
| 2007 | Toyota | Tundra | 5.7L | V8 | — | N/A | — |
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