Fuel Pressure Regulator 31216662 30777576 30750409 30637413 for VOLVO

Common Rail System Pressure Control Valve

Private label:Support

Warranty:12 Months

Packing:Natural Box or Color Box

Fuel Pressure Regulator  31216662  30777576  30750409  30637413  for VOLVO

Suits for Pump/Fuel distributor Rail Number:

Suits For:

MPROP

FCA

Injection Pressure Regulator

Fuel Pressure Regulator

Fuel Control Actuator

Measuring Unit

Fuel Measurement Solenoid Valve

Fuel pressure control valve ,CR System ,
Fuel pressure Regulator,
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BOSCH Þrýstingur eftirlitsstofnanna - CR System ,
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BOSCH Дозировочный блок , Редукционный клапан , 
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BOSCH Дозувальний блок CR ,

FAQ:
Q1: Are you trading company or manufacturer?
A: We are factory in Rui an City.
Q2: How long is your production time?
A: Normal takes 3-7 days if we have stocks.If no enough stocks,it will takes about 20 days.
Q3: Do you provide samples? is it free or extra?
A: Yes.We offer samples.We charge for sample cost and freight cost.
Q4: What is your terms of payment?
A: Normal T/T payment.
Q5: What is your quality standard?
A: OE quality standard.All valves will test 2 times at least before shipment.Only ship the good quality.
Q6: Can you produce according to sample or customize product?
A: Yes. We have a professional technical team with pre-sale and after sale service to perform your request.
Q7: How do you make our business long-term and good relationship?
A: We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them.

Our Advantage:
Excellent Quality Stable and Reliable
1. stable supply chain.
2. Strong relationship with business partners.
3. 90% of the Chinese market, widely acclaimed.
4. Highly efficient team service.
5. Timely pre-sales and after-sales service.

Professional Factory Focus on product details:
1. Selected superior imported materials, mature material supply chain.
2. Strict production management according to IATF-16949.
3. Strict quality inspection, 200% quality inspection rate.
4. Exported to more than 30 countries and regions, trusted by customers.

Quality Warranty:
1 year quality guarantee, all products have been tested 2 times before leaving the factory to ensure stability.

Feedback:
Please share me video and photos to us for after sales.
We would also like to get your suggestions to improve our products.

If you have any questions or need a quotation, please feel free to contact us. We will reply to your email or phone call as soon as possible. We look forward to working with you to create a better future.

1. What Is a Fuel Pressure Regulator

A fuel pressure regulator is a critical component in a vehicle’s fuel delivery system that maintains a consistent fuel pressure to the engine. It is typically installed on the fuel rail or within the fuel line and works by controlling the amount of fuel that returns to the tank. The regulator ensures that the pressure of fuel supplied to the injectors remains within a specified range, regardless of engine load or speed. It operates using a spring-loaded diaphragm that adjusts based on intake manifold pressure or preset calibration. By keeping fuel pressure stable, it allows the engine control system to deliver the correct air-fuel mixture for efficient combustion. This helps optimize engine performance, fuel efficiency, and emissions control under various driving conditions.

2. Why the Fuel Pressure Regulator Matters

The fuel pressure regulator is essential because it directly affects engine performance, efficiency, and reliability. If fuel pressure is too high, the engine may receive too much fuel, leading to poor combustion, increased emissions, and reduced fuel economy. If the pressure is too low, the engine may run lean, causing power loss, misfires, or even engine damage over time. The regulator ensures that the fuel injectors receive a steady and precise flow of fuel, enabling accurate air-fuel ratios. This is especially important for modern engines that rely on precise electronic control systems. Additionally, maintaining proper pressure reduces stress on fuel system components and helps prevent issues such as vapor lock or fuel starvation. Overall, it plays a key role in maintaining smooth engine operation and longevity.

3. Common Product Types of Fuel Pressure Regulators

Fuel pressure regulators come in several types, each designed for specific applications and performance requirements. Mechanical regulators are the most common and use a spring and diaphragm to control pressure based on engine conditions. Vacuum-referenced regulators adjust fuel pressure in response to intake manifold pressure, providing better efficiency under varying loads. Electronic fuel pressure regulators are used in advanced systems and are controlled by the engine management unit for precise adjustments. Return-style regulators allow excess fuel to flow back to the tank, while returnless systems regulate pressure within the fuel pump module. Adjustable regulators are often used in performance applications, allowing fine-tuning of fuel pressure. Each type is designed to meet different engine configurations and operational demands.

4. Key Advantages of Fuel Pressure Regulators

Fuel pressure regulators offer several advantages that enhance engine performance and efficiency. One of the primary benefits is maintaining a consistent fuel pressure, which ensures accurate fuel delivery to the engine. This leads to improved combustion efficiency, better fuel economy, and reduced emissions. They also help protect fuel system components by preventing excessive pressure that could cause damage. Another advantage is improved engine responsiveness, as stable fuel pressure allows for smoother acceleration and operation. In performance applications, adjustable regulators provide flexibility for tuning engine output. Additionally, they contribute to overall system reliability by reducing fluctuations in fuel supply. These advantages make fuel pressure regulators an essential component in both standard and high-performance engines.

5. Fuel Pressure Regulator Machine Structure and Core Stations

The structure of a fuel pressure regulator is designed to precisely control fuel flow and pressure. The main body is typically made of metal to withstand fuel pressure and environmental conditions. Inside, the core components include a diaphragm, a spring, and a valve mechanism. The diaphragm responds to pressure changes, while the spring sets the baseline pressure level. The valve opens or closes to regulate the amount of fuel returning to the tank. In vacuum-referenced designs, a vacuum port connects to the intake manifold, allowing the regulator to adjust pressure based on engine load. The core “stations” include the fuel inlet, pressure control chamber, valve seat, and return outlet. Each part works together to maintain stable pressure and ensure efficient fuel system operation.