Standard Ignition PR400 Fuel Injection Pressure Regulator

Overview of Standard Ignition Fuel Injection Pressure Regulator PR400

The Standard Ignition PR400 fuel injection pressure regulator is designed for precise fuel pressure control in BMW vehicles including the M3, M5, Z3, and Z8 models. This adjustable, return-type regulator ensures consistent fuel delivery for optimal engine performance.

• Adjustable fuel pressure for fine-tuning
• Includes boost/vacuum reference port for accurate pressure regulation
• Constructed from durable steel and molded nylon materials
• Direct mounting type with angled nipple orientation
• Includes o-ring and caution sheet for proper installation
• New, silver-finished regulator designed for gas fuel systems

Detailed Product Description

The Standard Ignition PR400 fuel injection pressure regulator is engineered to maintain stable fuel pressure in gas fuel systems, specifically tailored for BMW M3, M5, Z3, and Z8 models. Featuring a single inlet and outlet port, this return-type regulator includes a boost/vacuum reference port that allows the regulator to adjust fuel pressure in response to engine vacuum or boost conditions. The regulator’s steel body combined with molded nylon components provides durability and resistance to wear. Its silver finish offers corrosion resistance, while the angled nipple orientation facilitates easier hose connections during installation. The PR400 is adjustable, enabling technicians to calibrate fuel pressure to meet specific engine requirements. This part comes new and includes an o-ring and caution sheet to ensure proper sealing and safe handling.

Common Applications and Issues Addressed

• Maintains consistent fuel pressure for smooth engine operation
• Prevents fuel pressure fluctuations that can cause poor fuel economy
• Helps resolve issues related to fuel delivery inconsistencies
• Supports proper fuel return flow in return-type fuel injection systems
• Addresses vacuum or boost-related fuel pressure irregularities

Installation Notes and Tips

• Ensure the o-ring is properly seated to prevent fuel leaks
• Use the included caution sheet to follow safety and handling instructions
• Verify compatibility with BMW M3, M5, Z3, and Z8 models before installation
• Adjust fuel pressure carefully according to manufacturer specifications
• Direct mounting design simplifies installation without additional hardware

Quality Assurance and Warranty

The Standard Ignition PR400 fuel injection pressure regulator is a new, high-quality replacement part manufactured to meet or exceed OEM standards. Constructed with steel and molded nylon, it offers reliable performance and durability. While no specific warranty details are provided, Standard Ignition parts typically undergo rigorous quality control to ensure fit, form, and function for BMW fuel injection systems.