STANDARD PR338 Fuel Injection Pressure Regulator 707390352084

( Brand: Standard ), ( Manufacturer Warranty: 90 Day ), ( Manufacturer Part Number: PR338 ), ( Type: Fuel Injection Pressure Regulator ), ( UPC: 707390352084 )

Review STANDARD Fuel Injection Pressure Regulator

The PR338 Fuel Injection Pressure Regulator is a crucial component in the fuel delivery system of various engines, ensuring optimal performance and fuel efficiency. This regulator, manufactured by Delphi Technologies, is designed to maintain the precise fuel pressure required by modern engines, particularly those using electronic fuel injection.

The PR338 is a diaphragm-type pressure regulator. Its compact and robust design features a brass housing, which offers excellent resistance to corrosion and wear. The regulator's diaphragm is made from a high-performance elastomer material, ensuring durability and flexibility. The internal components, including the needle valve and springs, are made of stainless steel for maximum resistance to wear and corrosion.

The PR338 operates by monitoring the fuel pressure entering the regulator and adjusting the outlet pressure accordingly. The regulator's spring-loaded diaphragm responds to changes in fuel pressure, adjusting the needle valve position to maintain the desired outlet pressure. The regulator is designed to maintain fuel pressure within a specified range, typically between 33 and 38 psi for gasoline engines.

The PR338 Fuel Injection Pressure Regulator comes with a built-in bypass valve. This feature allows excess pressure to bypass the regulator during engine start-up, preventing damage to the regulator and ensuring a smooth start. The regulator also has an inlet and outlet filter screen, which helps to remove contaminants from the fuel supply, ensuring the regulator's internal components remain clean and free from debris.

This Delphi PR338 Fuel Injection Pressure Regulator is suitable for use with gasoline engines and is designed to meet the stringent requirements of OEM specifications. The regulator is easy to install, with a threaded inlet and outlet connection, and comes with a gasket and mounting hardware included in the package.

In summary, the PR338 Fuel Injection Pressure Regulator by Delphi Technologies is a high-performance, compact, and robust component designed to maintain the precise fuel pressure required by modern engines. Its diaphragm design, brass housing, and stainless steel components ensure durability and corrosion resistance, while its built-in bypass valve and inlet/outlet filter screens provide added protection and functionality.

Buying a standard PR338 fuel injection pressure regulator comes with both advantages and disadvantages that potential buyers should consider before making a decision.

1. Durability: The PR338 regulator is known for its robust design, making it a reliable choice for long-term use in various applications. Its sturdy construction can withstand the rigors of high-pressure fuel systems, ensuring consistent performance.

2. Easy Installation: The PR338 regulator is generally easy to install due to its straightforward design and clear instructions. This can save time and effort for those performing the installation themselves, or reduce labor costs for professionals.

3. Wide Compatibility: The PR338 regulator can be used in various fuel systems, including diesel and gas applications. Its versatility makes it a popular choice among vehicle owners and mechanics, ensuring a broad market for spare parts.

4. Cost-Effective: Compared to other fuel pressure regulators, the PR338 is often priced competitively. This affordability can make it an attractive option for those seeking a reliable and cost-effective solution for their fuel system needs.

1. Limited Adjustability: The PR338 regulator has a fixed pressure setting, which may not be suitable for applications requiring precise fuel pressure adjustments. This can limit its use in high-performance applications or specialized industries.

2. Potential Leaks: Like any fuel pressure regulator, the PR338 is subject to the risk of leaks. Proper installation and regular maintenance are essential to prevent fuel leaks and potential safety hazards.

3. Inadequate for High-Pressure Applications: The PR338 regulator is not designed for use in high-pressure fuel systems. Attempting to use it in such applications can result in reduced performance or catastrophic failure, potentially causing damage to the fuel system or engine.

The PR338 fuel injection pressure regulator offers a balance of durability, ease of installation, wide compatibility, and affordability. However, its lack of adjustability, potential for leaks, and inadequacy for high-pressure applications should be carefully considered before making a purchase.

If you are seeking a reliable and cost-effective fuel pressure regulator for standard applications, the PR338 is a solid choice. However, if you require precise pressure adjustments or operate in high-pressure fuel systems, it may be worth considering alternative options with greater adjustability and pressure capabilities. Always ensure proper installation and regular maintenance to ensure optimal performance and safety.

part # pr338 prices

• $31.19-$140.87

specifications injectiopug:

• brand: Standard
• manufacturer warranty: 90 Day
• manufacturer part number: PR338
• type: Fuel Injection Pressure Regulator
• upc: 707390352084

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New

shipping injectiopug:

• transit: 2-7 Days
• class: Economy
• cost: $0.00
• type: Fixed
• service: Economy

payments injectiopug:

• other
• credit card: Mastercard
• wallet: Google-pay

offer injectiopug:

• options: Ship-to-home
• quantity: 8
• started: January 13, 2026
• sold: 0
• availability: In Stock

returns injectiopug:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

seller injectiopug:

• rating: 98.2%
• # reviews: 1616

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