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Standard Ignition PR489 Fuel Injection Pressure Regulator
| Brand | Standard Ignition PR489 |
|---|---|
| Adjustable | Yes |
| Contents | Includes Bracket |
| Fuel Type | Gas |
| Functions | Regulator |
| New or Reman | New |
| Nipple Orientation | Straight |
| Number of outlets | 1 |
| Reference Port Included | No |
| Type | Returnless |
| Fits | Jeep · 3 vehicles |
Direct-fit replacement. Easy application with perfect fit and form.
High-temp Viton O-rings. Provide a strong seal under extreme heat.
Steel construction. Resists corrosion for longer service life.
Cross-references Dorman - OE Solutions 800-601, Gates 24197 and 2-199057 for the same application. See all 5.
Fuel Pressure Control for Jeep Grand Cherokee
Standard Ignition PR489 is a direct-fit fuel injection pressure regulator for returnless fuel systems. It is built for 2002-2004 Jeep Grand Cherokee applications and uses corrosion-resistant steel, Viton O-rings, and a fuel-resistant rubber diaphragm to help maintain steady fuel pressure.
Key Features
- Direct-fit replacement for straightforward application
- Adjustable fuel injection pressure regulator design
- Returnless fuel system configuration
- High-temp Viton O-rings for sealing under heat
- Steel housing for corrosion resistance and service life
- Fuel-resistant diaphragm helps maintain consistent pressure
- Includes bracket
- Straight nipple orientation with 1 inlet and 1 outlet
Detailed Description
Standard Ignition PR489 is engineered as a replacement fuel injection pressure regulator for the 2002-2004 Jeep Grand Cherokee. It is designed for gas applications and uses a returnless layout, making it a direct replacement for vehicles that regulate fuel pressure without a return line. The steel construction helps resist corrosion, while the diaphragm material is selected to withstand fuel exposure and reduce swelling or deterioration. This part cross-references Dorman OE Solutions 800-601 for the same application.
Common Issues It Can Help Address
- Unstable fuel pressure readings
- Hard starting caused by pressure regulation problems
- Fuel delivery inconsistency under load
- Fuel pressure loss from worn seals or diaphragm wear
- Corrosion-related regulator deterioration
Installation Notes and Tips
Verify the vehicle uses a returnless fuel system before installation. Confirm the regulator orientation, inlet/outlet layout, and bracket location match the original unit on your Jeep Grand Cherokee. Inspect fuel lines, seals, and mounting points for wear or contamination before reassembly. After installation, check for leaks and confirm fuel pressure meets specification.
Quality Assurance
Standard Ignition builds this regulator with high-grade steel, heat-resistant Viton O-rings, and a fuel-resistant diaphragm to support consistent operation in demanding fuel system conditions. PR489 is a new replacement part.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Jeep | Grand Cherokee | N/A | — |
| 2003 | Jeep | Grand Cherokee | N/A | — |
| 2002 | Jeep | Grand Cherokee | N/A | — |
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