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Standard Ignition PR401 Fuel Injection Pressure Regulator
Fuel Pressure Control for Audi and Volkswagen
Standard Ignition PR401 is a new fuel injection pressure regulator for gas systems with a return-style design. It uses a direct mount layout, a straight nipple orientation, and a 58 PSI operating pressure to help maintain consistent fuel delivery at the rail.
- New fuel injection pressure regulator for gas applications
- Return-type design with direct mounting
- 58 PSI operating pressure
- 1 inlet and 1 outlet
- Reference port included for system monitoring
- Cast iron construction with steel regulator finish
- Includes O-ring and caution sheet
Detailed Product Overview
The Standard Ignition PR401 is built for fuel injection systems that require stable pressure regulation at the fuel rail. It is a direct-mount, return-style regulator with one inlet, one outlet, and a reference port, making it a practical replacement for vehicles that rely on controlled fuel pressure for proper injector performance. This part number PR401 is listed with fitment across Audi and Volkswagen applications, including Audi A4, A6, S4, S6, S8, A8 Quattro, and Volkswagen Passat, Corrado, Golf, Jetta, and R32 models.
This part cross-references Beck/Arnley 158-0966 and Delphi FP10312 for the same application.
Vehicle Fitment
- Fits 2005-2008 Audi S4, N/A; located at fuel rail.
- Fits 2008 Audi S5, N/A; located at fuel rail.
- Fits 1996-2006 Audi A4 Quattro, N/A.
- Fits 1997-2006 Audi A8 Quattro, N/A.
- Fits 2004-2006 Audi TT Quattro, N/A.
- Fits 2004-2006 Volkswagen Phaeton, N/A.
- Fits 1996-2005 Audi A4, N/A.
- Fits 1995-2005 Audi A6, N/A.
- Fits 2001-2005 Audi Allroad Quattro, N/A.
- Fits 1998-2005 Volkswagen Passat, N/A.
- Fits 1993-1996 Volkswagen Passat, N/A.
- Fits 1995-2004 Audi A6 Quattro, N/A.
- Fits 2003-2004 Audi RS6, N/A.
- Fits 2004 Volkswagen R32, N/A.
- Fits 2000-2003 Audi S3, N/A.
- Fits 2001-2003 Audi S6, N/A.
- Fits 1995-1997 Audi S6, N/A.
- Fits 2001-2003 Audi S8, N/A.
- Fits 2002 Audi RS4, N/A.
- Fits 2000-2002 Audi S4, N/A.
- Fits 1997-2000 Audi A8, N/A.
- Fits 1994-1998 Audi Cabriolet, N/A.
- Fits 1998 Volkswagen Pointer, N/A.
- Fits 1995 Audi 90, N/A.
- Fits 1995 Audi 90 Quattro, N/A.
- Fits 1995 Volkswagen Corrado, N/A; OE No.078 133 534C.
- Fits 1995 Volkswagen Golf, N/A.
- Fits 1994-1995 Volkswagen Jetta, N/A; prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
- Fits 1992-1994 Audi 100, N/A; prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
- Fits 1992-1994 Audi 100 Quattro, N/A; prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
- Fits 1993-1994 Audi 90, N/A; prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
- Fits 1993-1994 Audi 90 Quattro, N/A; prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
- Fits 1992-1994 Audi S4, N/A; prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
- Fits 1992-1994 Volkswagen Corrado, N/A; prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
Common Replacement Reasons
- Fuel pressure that is too high or too low at the rail
- Hard starting caused by unstable fuel delivery
- Rough idle or hesitation under load
- Fuel odor or pressure loss related to regulator wear
- Check engine concerns tied to fuel system pressure control
Installation Notes
Use the included O-ring during installation and verify the reference port connection before starting the engine. Because this regulator is a direct-mount, return-style unit, confirm the fuel system layout and operating pressure requirement match the vehicle before replacement. For Audi and Volkswagen applications, compare the existing regulator and OE reference number to the vehicle listing, especially on models such as Audi A4, A6, S4, and Volkswagen Passat or Corrado.
Quality Assurance
Standard Ignition supplies this PR401 regulator as a new replacement component with cast iron and steel construction for fuel system service. The included caution sheet provides handling guidance during installation and setup.
| Brand | Phillips |
|---|---|
| Part Number | 1073B2 |
| Bulb Base Type | BA15s |
| Bulb Color | Clear |
| Contact Quantity | 2 |
| Filament Quantity | 1 |
| Push or Twist Type | Twist Type |
| Voltage | 12.8 |
| Wattage | 23 |
This part fits 144 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | Audi | S4 | 4.2L | V8 | N/A | Located at Fuel Rail | |
| 2008 | Audi | S5 | N/A | Located at Fuel Rail | |||
| 2007 | Audi | S4 | 4.2L | V8 | N/A | Located at Fuel Rail | |
| 2006 | Audi | A4 Quattro | 3.0L | V6 | N/A | ||
| 2006 | Audi | A8 Quattro | 4.2L | V8 | N/A | ||
| 2006 | Audi | S4 | N/A | Located at Fuel Rail | |||
| 2006 | Audi | TT Quattro | 3.2L | V6 | N/A | ||
| 2006 | Volkswagen | Phaeton | N/A | ||||
| 2005 | Audi | A4 | 3.0L | V6 | N/A | ||
| 2005 | Audi | A4 Quattro | 3.0L | V6 | N/A | ||
| 2005 | Audi | A6 | N/A | ||||
| 2005 | Audi | A8 Quattro | 4.2L | V8 | N/A | ||
| 2005 | Audi | Allroad Quattro | N/A | ||||
| 2005 | Audi | S4 | N/A | Located at Fuel Rail | |||
| 2005 | Audi | TT Quattro | 3.2L | V6 | N/A | ||
| 2005 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 2005 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 2005 | Volkswagen | Phaeton | N/A | ||||
| 2004 | Audi | A4 | 3.0L | V6 | N/A | ||
| 2004 | Audi | A4 Quattro | 3.0L | V6 | N/A | ||
| 2004 | Audi | A6 | N/A | ||||
| 2004 | Audi | A6 Quattro | N/A | ||||
| 2004 | Audi | A8 Quattro | N/A | ||||
| 2004 | Audi | Allroad Quattro | N/A | ||||
| 2004 | Audi | RS6 | 4.2L | V8 | N/A | ||
| 2004 | Audi | TT Quattro | 3.2L | V6 | N/A | ||
| 2004 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 2004 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 2004 | Volkswagen | Passat | 4.0L | W8 | N/A | ||
| 2004 | Volkswagen | Phaeton | N/A | ||||
| 2004 | Volkswagen | R32 | 3.2L | V6 | N/A | ||
| 2003 | Audi | A4 | 3.0L | V6 | N/A | ||
| 2003 | Audi | A4 Quattro | AWD | 1.8L | L4 | N/A | |
| 2003 | Audi | A4 Quattro | 3.0L | V6 | N/A | ||
| 2003 | Audi | A6 | N/A | ||||
| 2003 | Audi | A6 Quattro | N/A | ||||
| 2003 | Audi | A8 Quattro | N/A | ||||
| 2003 | Audi | Allroad Quattro | N/A | ||||
| 2003 | Audi | RS6 | 4.2L | V8 | N/A | ||
| 2003 | Audi | S3 | N/A | ||||
| 2003 | Audi | S6 | N/A | ||||
| 2003 | Audi | S8 | N/A | ||||
| 2003 | Volkswagen | Passat | 4.0L | W8 | N/A | ||
| 2003 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 2003 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 2002 | Audi | A4 | N/A | ||||
| 2002 | Audi | A4 Quattro | N/A | ||||
| 2002 | Audi | A6 | N/A | ||||
| 2002 | Audi | A6 Quattro | N/A | ||||
| 2002 | Audi | A8 Quattro | N/A | ||||
| 2002 | Audi | Allroad Quattro | N/A | ||||
| 2002 | Audi | RS4 | N/A | ||||
| 2002 | Audi | S3 | N/A | ||||
| 2002 | Audi | S4 | N/A | ||||
| 2002 | Audi | S6 | N/A | ||||
| 2002 | Audi | S8 | N/A | ||||
| 2002 | Volkswagen | Passat | 4.0L | W8 | N/A | ||
| 2002 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 2002 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 2001 | Audi | A4 | N/A | ||||
| 2001 | Audi | A4 Quattro | N/A | ||||
| 2001 | Audi | A6 | N/A | ||||
| 2001 | Audi | A6 Quattro | N/A | ||||
| 2001 | Audi | A8 Quattro | N/A | ||||
| 2001 | Audi | Allroad Quattro | N/A | ||||
| 2001 | Audi | S3 | N/A | ||||
| 2001 | Audi | S4 | N/A | ||||
| 2001 | Audi | S6 | N/A | ||||
| 2001 | Audi | S8 | N/A | ||||
| 2001 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 2001 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 2000 | Audi | A4 | N/A | ||||
| 2000 | Audi | A4 Quattro | N/A | ||||
| 2000 | Audi | A6 | N/A | ||||
| 2000 | Audi | A6 Quattro | N/A | ||||
| 2000 | Audi | A8 | N/A | ||||
| 2000 | Audi | A8 Quattro | N/A | ||||
| 2000 | Audi | S3 | N/A | ||||
| 2000 | Audi | S4 | N/A | ||||
| 2000 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 2000 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 1999 | Audi | A4 | N/A | ||||
| 1999 | Audi | A4 Quattro | N/A | ||||
| 1999 | Audi | A6 | N/A | ||||
| 1999 | Audi | A6 Quattro | N/A | ||||
| 1999 | Audi | A8 | N/A | ||||
| 1999 | Audi | A8 Quattro | N/A | ||||
| 1999 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 1999 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 1998 | Audi | A4 | N/A | ||||
| 1998 | Audi | A4 Quattro | N/A | ||||
| 1998 | Audi | A6 | N/A | ||||
| 1998 | Audi | A6 Quattro | N/A | ||||
| 1998 | Audi | A8 | N/A | ||||
| 1998 | Audi | A8 Quattro | N/A | ||||
| 1998 | Audi | Cabriolet | 2.8L | V6 | N/A | ||
| 1998 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 1998 | Volkswagen | Passat | 1.8L | L4 | N/A | ||
| 1998 | Volkswagen | Pointer | N/A | ||||
| 1997 | Audi | A4 | N/A | ||||
| 1997 | Audi | A4 Quattro | N/A | ||||
| 1997 | Audi | A6 | N/A | ||||
| 1997 | Audi | A6 Quattro | N/A | ||||
| 1997 | Audi | A8 | N/A | ||||
| 1997 | Audi | A8 Quattro | N/A | ||||
| 1997 | Audi | Cabriolet | 2.8L | V6 | N/A | ||
| 1997 | Audi | S6 | N/A | ||||
| 1996 | Audi | A4 | N/A | ||||
| 1996 | Audi | A4 Quattro | N/A | ||||
| 1996 | Audi | A6 | N/A | ||||
| 1996 | Audi | A6 Quattro | N/A | ||||
| 1996 | Audi | Cabriolet | 2.8L | V6 | N/A | ||
| 1996 | Audi | S6 | N/A | ||||
| 1996 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 1995 | Audi | 90 | 2.8L | V6 | N/A | ||
| 1995 | Audi | 90 Quattro | 2.8L | V6 | N/A | ||
| 1995 | Audi | A6 | N/A | ||||
| 1995 | Audi | A6 Quattro | N/A | ||||
| 1995 | Audi | Cabriolet | 2.8L | V6 | N/A | ||
| 1995 | Audi | S6 | N/A | ||||
| 1995 | Volkswagen | Corrado | 2.8L | V6 | N/A | OE No.078 133 534C | |
| 1995 | Volkswagen | Golf | 2.8L | V6 | N/A | ||
| 1995 | Volkswagen | Jetta | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1995 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 1994 | Audi | 100 | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1994 | Audi | 100 Quattro | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1994 | Audi | 90 | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1994 | Audi | 90 Quattro | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1994 | Audi | Cabriolet | 2.8L | V6 | N/A | ||
| 1994 | Audi | S4 | 2.2L | L5 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1994 | Volkswagen | Corrado | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1994 | Volkswagen | Jetta | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1994 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 1993 | Audi | 100 | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1993 | Audi | 100 Quattro | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1993 | Audi | 90 | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1993 | Audi | 90 Quattro | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1993 | Audi | S4 | 2.2L | L5 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1993 | Volkswagen | Corrado | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1993 | Volkswagen | Passat | 2.8L | V6 | N/A | ||
| 1992 | Audi | 100 | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1992 | Audi | 100 Quattro | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1992 | Audi | S4 | 2.2L | L5 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. | |
| 1992 | Volkswagen | Corrado | 2.8L | V6 | N/A | Prior to purchase, ensure compatibility with vehicle's alternator for proper fit. |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.