Standard Ignition PR458 fuel injection pressure regulator for the 1996-1998 Land Rover Discovery V8 4.0L holds fuel pressure steady for the injectors. Also called a fuel pressure regulator, it is engineered for the fuel system requirements of Land Rover engines.
- 48 psi pressure range for consistent, precise fuel delivery
- Leak-proof seals and thermal resistance for use in all driving conditions
- 200+ hours of vibration testing, 1000+ hours of extreme heat and cold operational testing and on-vehicle testing
- Corrosion-resistant steel construction that resists wear and deformation
Quick facts
- Part: Standard Ignition PR458 fuel injection pressure regulator
- Fits: 1996-1998 Land Rover Discovery V8 4.0L
- Material: Steel
- Condition: New
Hard starting, a rough idle or black exhaust smoke can mean the regulator is worn, though a weak fuel pump or a restricted fuel filter can be behind them as well, so find out which before you replace this part.
Fits
This listing is one regulator. It is a direct-fit replacement for the 1996-1998 Land Rover Discovery V8 4.0L, which takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Pressure range: 48 psi
- Mounting type: bolt mount
- Port quantity: 3
- Inlet quantity: 1
- Number of outlets: 1
Build and materials
- Type: returnless
- Material: steel
- Finish: silver
- Nipple orientation: straight
- Adjustable: yes
- Condition: new
- Country of origin: Brazil
In the box
One fuel injection pressure regulator and a caution sheet.
Interchange: 2-199026 · 800-570
24166 · ERR6185
This part cross-references / interchanges with the following part numbers:
24166, 2-199026, ERR6185, 800-570, PR458
Frequently Asked Questions
Is the Standard Ignition fuel injection pressure regulator right for the 1996-1998 Land Rover Discovery V8 4.0L?
Yes. Standard Ignition PR458 is a direct-fit replacement for the 1996-1998 Land Rover Discovery V8 4.0L, which takes one regulator.
Does the Standard Ignition PR458 come with any paperwork?
Yes. The package holds one fuel injection pressure regulator and a caution sheet.
Is the PR458 returnless regulator adjustable?
Yes, it is adjustable and has a 48 psi pressure range. It is a returnless type with a bolt mount and a straight nipple.
What are signs a returnless fuel pressure regulator is failing?
A fuel smell, wet fuel around the regulator or poor fuel economy can point to a failing regulator. A shop can test fuel pressure to confirm.
What testing does the Standard Ignition PR458 go through?
Its validation includes 200+ hours of vibration testing, 1000+ hours of extreme heat and cold operational testing and on-vehicle testing.
