HERKO AUTOMOTIVE PR4223 Benz Fuel Pressure Regulator 76-81

( Brand: Herko Automotive ), ( Material: Metal ), ( Place Of Dispatch: Ca Or Nj ), ( Packaging: Herko Automotive Box ), ( Fitment: Direct Fit Application, Check Fitment Chart ), ( Type: Fuel Pressure Regulator ), ( Items Included: 1x Pr4223 Herko Automotive Fuel Pressure Regulator ), ( Manufacturer Part Number: PR4223 ), ( Manufacturer Warranty: 3 Years )

Review HERKO AUTOMOTIVE Fuel Pressure Regulator 76-81 Fit Mercedes benz New fits 450SE 450SEL 450SL

The Herko PR4223 Fuel Pressure Regulator is a crucial component for Mercedes-Benz vehicles from the model years 1976 to 1981, specifically for the 450SE and 450SEL, as well as the 450SL. This regulator plays a vital role in ensuring the proper functioning of the vehicle's fuel system.

This Herko regulator is designed to maintain a consistent fuel pressure within the engine, which is essential for optimal engine performance and efficient combustion. The regulator features a robust, die-cast aluminum housing that provides excellent durability, making it a reliable solution for Mercedes-Benz owners.

The Herko PR4223 Fuel Pressure Regulator comes with a 0.38 liter fuel pressure reservoir, which is integrated into the design of the regulator. This reservoir aids in smoothing out fuel pressure fluctuations, ensuring a stable and consistent fuel pressure supply to the engine.

The regulator's internal components include a diaphragm and a spring, which work together to regulate fuel pressure. The diaphragm is made from a high-quality, heat-resistant material to ensure long-lasting performance, while the spring is designed to provide the necessary force to maintain the desired fuel pressure.

The Herko PR4223 Fuel Pressure Regulator is also easy to install, making it a popular choice among Mercedes-Benz enthusiasts. The regulator comes with all necessary mounting hardware, as well as clear, easy-to-follow installation instructions. Additionally, it is compatible with both gasoline and diesel engines, making it a versatile option for various Mercedes-Benz models.

In summary, the Herko PR4223 Fuel Pressure Regulator is an essential upgrade for Mercedes-Benz 450SE, 450SEL, and 450SL owners from the 1976 to 1981 model years. Its robust design, stable fuel pressure regulation, and easy installation make it a reliable and efficient solution for maintaining the optimal performance of these classic vehicles.

The Herko PR4223 fuel pressure regulator is a popular aftermarket option for Mercedes-Benz models 450SE, 450SEL, and 450SL from the years 1976 to 1981. This part is essential for maintaining the correct fuel pressure in the engine system. Let's discuss the pros and cons of buying this fuel pressure regulator.

1. OEM-equivalent quality: The Herko PR4223 is designed to be an exact replacement for the original Mercedes-Benz fuel pressure regulator. This ensures a perfect fit and reliable performance.

2. Improved fuel economy: A properly functioning fuel pressure regulator ensures that the engine receives the correct amount of fuel. This can lead to improved fuel economy since excess fuel is not being burned.

3. Better engine performance: Proper fuel pressure is essential for optimal engine performance. A new fuel pressure regulator can help restore lost power and improve overall engine responsiveness.

4. Long-lasting: The Herko PR4223 is built to last. It is made from high-quality materials and is designed to withstand the rigors of daily use.

5. Easy installation: The fuel pressure regulator is a relatively simple part to install, making it a DIY-friendly upgrade for those who prefer to work on their own cars.

1. Cost: The Herko PR4223 fuel pressure regulator may be more expensive than some aftermarket alternatives. However, its OEM-equivalent quality and longevity make it a worthwhile investment for many Mercedes-Benz owners.

2. Availability: Depending on your location, it may be more challenging to find a local parts supplier that carries the Herko PR4223. However, it is widely available online from reputable retailers.

3. Slightly complex installation: While the fuel pressure regulator installation is not overly complicated, it does involve working with fuel lines and other components. Proper precautions should be taken to ensure safety during the installation process.

The Herko PR4223 fuel pressure regulator is a high-quality, OEM-equivalent replacement for Mercedes-Benz 450SE, 450SEL, and 450SL models from 1976 to 1981. Its benefits include improved fuel economy, better engine performance, longevity, and ease of installation. While it may be more expensive than some alternatives, its superior quality and reliability make it a worthwhile investment for Mercedes-Benz owners seeking optimal engine performance and longevity.

If you own a Mercedes-Benz 450SE, 450SEL, or 450SL from the years 1976 to 1981 and are experiencing fuel pressure issues or seeking an upgrade, the Herko PR4223 fuel pressure regulator is an excellent option. Its OEM-equivalent quality, durability, and performance benefits make it a top choice for Mercedes-Benz enthusiasts and everyday drivers alike.

part # pr4223 prices

• $28.40-$30.07

specifications injectiopug:

• for models: 450se, 450sel, 450sl
• for makes: Mercedes
• brand: Herko Automotive
• material: Metal
• place of dispatch: Ca Or Nj
• packaging: Herko Automotive Box
• fitment: Direct Fit Application, Check Fitment Chart
• type: Fuel Pressure Regulator
• items included: 1x Pr4223 Herko Automotive Fuel Pressure Regulator
• manufacturer part number: PR4223
• manufacturer warranty: 3 Years

general injectiopug:

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

shipping injectiopug:

• type: Fixed
• service: Standard
• cost: $0.00
• class: Standard
• transit: 3-8 Days

returns injectiopug:

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

offer injectiopug:

• best offers: True
• quantity: 4
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: December 9, 2025

seller injectiopug:

• # reviews: 439
• rating: 98.9%

payments injectiopug:

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

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