Standard Ignition PR397 Fuel Injection Pressure Regulator

Overview of Standard Ignition Fuel Injection Pressure Regulator PR397

The Standard Ignition PR397 fuel injection pressure regulator is designed to maintain consistent fuel pressure in gas fuel systems. Engineered for select Mercedes-Benz models, this regulator ensures optimal fuel delivery and engine performance by controlling pressure at 93 psi with a straight nipple orientation.

• Compatible with Mercedes-Benz 190E, 300CE, 300SL, 420SEL, 500SL, 560SEC, 560SEL, and 560SL models
• Operating pressure set at 93 psi for precise fuel regulation
• Straight nipple orientation for straightforward installation
• Designed specifically for gas fuel injection systems
• Includes caution sheet for safe handling and installation

Detailed Product Description

The PR397 fuel injection pressure regulator from Standard Ignition is a critical component in the fuel injection system of various Mercedes-Benz vehicles. It functions by regulating the fuel pressure to a steady 93 psi, which is essential for maintaining the correct air-fuel mixture and ensuring efficient engine operation. The straight nipple orientation facilitates a direct and secure connection within the fuel system, reducing the risk of leaks or pressure drops. This part is engineered exclusively for gas fuel systems, making it suitable for the specified Mercedes-Benz models including the 190E, 300CE, and 560SEL among others.

Common Applications and Issues Addressed

• Maintains consistent fuel pressure to prevent engine hesitation or stalling
• Prevents fuel pressure fluctuations that can cause poor fuel economy
• Eliminates rough idling caused by improper fuel delivery
• Helps avoid engine misfires related to fuel pressure irregularities
• Supports smooth acceleration by stabilizing fuel flow

Installation Notes and Tips

When installing the Standard Ignition PR397 fuel injection pressure regulator, ensure the fuel system is depressurized before removal of the old regulator. The straight nipple orientation should be aligned carefully to avoid kinks or bends in the fuel line. Refer to the included caution sheet for safety instructions and proper handling. It is recommended to inspect related fuel system components during installation to ensure overall system integrity.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The PR397 fuel injection pressure regulator undergoes rigorous quality control to ensure consistent operation. Warranty coverage details can be obtained from the product documentation or the manufacturer, ensuring confidence in your replacement part.