HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR148 Fuel Injection Pressure Regulator
Part #: PR148

Standard Ignition PR148 Fuel Injection Pressure Regulator

4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$142.88Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, 450SE, 450SEL, 450SL, 450SLC, 280SE, 280SEL, 300SEL, and 350SL
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Fuel Injection Pressure Regulator PR148

The Standard Ignition PR148 fuel injection pressure regulator is designed specifically for Mercedes-Benz 300SEL models. This component ensures consistent fuel pressure within the fuel injection system, maintaining optimal engine performance and efficiency.

  • Compatible with Mercedes-Benz 300SEL fuel injection systems
  • Regulates fuel pressure at a precise 30 psi operating pressure
  • Angled nipple orientation for proper fuel line connection
  • Designed for gas fuel systems
  • Includes caution sheet for safe installation and handling

Detailed Product Description

The PR148 fuel injection pressure regulator by Standard Ignition is engineered to maintain a steady fuel pressure of 30 psi in gas-powered Mercedes-Benz 300SEL vehicles. Its angled nipple orientation facilitates correct alignment and connection within the fuel injection system, reducing the risk of leaks or improper fuel flow. This regulator plays a critical role in controlling the fuel delivery to the engine, ensuring smooth operation and preventing issues related to fuel pressure fluctuations.

Applications and Problem Resolution

This fuel injection pressure regulator is used to manage and stabilize fuel pressure in the fuel injection system of Mercedes-Benz 300SEL models. It addresses several common issues, including:

  • Irregular engine performance due to inconsistent fuel pressure
  • Fuel leaks caused by improper nipple orientation or worn regulators
  • Engine stalling or hesitation during acceleration
  • Reduced fuel efficiency from pressure fluctuations
  • Check engine light triggered by fuel system faults

Installation Notes and Tips

When installing the Standard Ignition PR148 regulator, ensure the angled nipple is correctly aligned with the fuel line to prevent leaks. Follow the included caution sheet carefully to avoid damage to the regulator or fuel system components. It is recommended to inspect related fuel injection parts during installation to maintain overall system integrity.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance for Mercedes-Benz 300SEL vehicles. The PR148 fuel injection pressure regulator includes a caution sheet to guide safe installation. Warranty details are provided by Standard Ignition and should be reviewed at the time of purchase to confirm coverage.

BrandStandard Ignition
Part NumberPR148
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
Nipple OrientationAngled
Operating Pressure - PSI30 PSI

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1973Mercedes-Benz300SEL4.5LV8N/A
1972Mercedes-Benz300SEL4.5LV8N/A
1971Mercedes-Benz300SEL3.5LV8N/A
1970Mercedes-Benz300SEL3.5LV8N/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:

00007803890280160004143-8142-19561217-2105228075G1262800-260PR426

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