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  3. MAGNAFUEL MP-9945

MAGNAFUEL MP-9945 Bypass Fuel Pressure Regulator 6-PORT

Mp-9945 Magnafuel 6-port Bypass Style Fuel Pressure Regulator

( Brand: Magnafuel ), ( Part Type: Fuel Pressure Regulator ), ( Manufacturer Part Number: MP-9945 )

Review MAGNAFUEL 6-port Bypass Fuel Pressure Regulator

The MagnaFuel MP-9945 6-Port Bypass Fuel Pressure Regulator is a high-performance component designed to optimize fuel delivery in various applications, including diesel engines and performance vehicles. This regulator is engineered to provide precise fuel pressure control, ensuring efficient combustion and enhanced power output.

Constructed from robust materials, the MP-9945 regulator features a durable anodized aluminum housing that resists corrosion and wear. The regulator's six-port design allows for versatile installation options, making it an ideal choice for custom fuel systems. Each port is equipped with a 3/8 NPT thread, ensuring a secure connection with the corresponding fuel lines.

The MP-9945 regulator employs a diaphragm-style mechanism, which isolates the fuel pressure from the regulator body, minimizing the risk of leaks and providing superior accuracy. The regulator comes with a built-in relief valve that ensures safe operation by preventing fuel pressure from exceeding the recommended maximum.

This MagnaFuel product boasts a wide adjustment range, allowing users to fine-tune fuel pressure to their specific requirements. The regulator can handle fuel pressures ranging from 1 to 100 psi (0.069 to 6.89 bar), making it suitable for a wide array of applications. The adjustment knob is easily accessible and features clear numbering for effortless calibration.

Installation of the MP-9945 regulator is a straightforward process, thanks to its compact design and accessible fittings. The regulator is compatible with various fuel types, including diesel, gasoline, and ethanol, and can be used in both high-performance and everyday driving applications.

In summary, the MagnaFuel MP-9945 6-Port Bypass Fuel Pressure Regulator is a versatile, high-performance component designed to deliver precise fuel pressure control in various applications. Its durable construction, adjustable design, and easy installation make it a popular choice among vehicle enthusiasts and professionals alike.

The MagnaFuel MP-9945 6-Port Bypass Fuel Pressure Regulator is a popular aftermarket performance part designed to improve fuel pressure and delivery in gasoline engines. Here are some pros and cons of buying this product:

Pros:

1. Enhanced fuel pressure: By increasing fuel pressure, this regulator can lead to improved engine performance and more power, especially in high-performance applications.

2. Multiple port options: The 6-port design allows for flexibility in configuring fuel pressure settings for different engine conditions, such as idle, cruise, and wide-open throttle.

3. Durable construction: The regulator is made of billet aluminum, which is known for its strength and resistance to corrosion, ensuring long-lasting performance.

4. Easy installation: The kit includes all necessary hardware for installation, which can be done using common hand tools.

5. Compatibility with various fuel systems: This regulator is compatible with both EFI (Electronic Fuel Injection) and carbureted engines, making it a versatile choice for many vehicle applications.

Cons:

1. Cost: The MagnaFuel MP-9945 is a premium aftermarket product, and its price point may be out of reach for some budget-conscious buyers.

2. Potential for high fuel pressure: Increased fuel pressure may require adjustment of other engine components, such as fuel injectors and timing, to prevent damage.

3. Potential for fuel leaks: Installing the regulator may require draining the fuel tank and disconnecting fuel lines, which carries the risk of fuel spills and leaks if not done properly.

Conclusion:

The MagnaFuel MP-9945 6-Port Bypass Fuel Pressure Regulator offers significant benefits for those seeking improved engine performance and flexibility in fuel pressure settings. Its durable construction, compatibility with various fuel systems, and ease of installation are major advantages. However, the higher cost and potential risks associated with increased fuel pressure should be carefully considered before making a purchase.

Recommendation:

If you are looking for improved engine performance and the ability to fine-tune fuel pressure settings, the MagnaFuel MP-9945 6-Port Bypass Fuel Pressure Regulator is an excellent choice. However, it's essential to ensure that the installation is done properly and that other engine components are compatible with the increased fuel pressure. Consult with a professional mechanic or a trusted aftermarket parts supplier if you have any doubts or concerns.

part # mp9945 prices

  • $249.99-$251.99

specifications injectiopug:

  • brand: Magnafuel
  • part type: Fuel Pressure Regulator
  • manufacturer part number: MP-9945

returns injectiopug:

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

shipping injectiopug:

  • type: Fixed
  • class: Standard
  • cost: $0.00
  • service: Standard
  • transit: 4-8 Days

payments injectiopug:

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

offer injectiopug:

  • started: January 9, 2026
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 1

seller injectiopug:

  • rating: 95.6%
  • # reviews: 5149

general injectiopug:

  • Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
  • condition: New other see details
part type: fuel pressure regulator,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 10253819159316721,

Magnafuel MP-9945 Is Similar To:

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4 offers $249.99–$251.99 USD
  • Offer #1: $249.99 price + $15.00 delivery = $264.99* total. Includes Fittings, Russel 230210 Filter, 0-15 Liquid Filled Gauge. Magnafuel Billet Fuel Pressure Regulator.+$15.00 shipping
  • Offer #2: $251.99 price + free delivery = $251.99* total. NPT Gauge Port, Black Finish MagnaFuel 6-Port Bypass Regulator. 6-Port Bypass Regulator, 2000+ HP, 3-12 psi Range, (5) -8 AN Inlet/Outlet, (1) -10 AN Return, (1) 1/8 in.FREE SHIPPING
  • Offer #3: $251.99 price + free delivery = $251.99* total. Fuel Pressure Regulator, Carbureted, Return Style, Black, 3-12 psi, Inline, Each.FREE SHIPPING
  • Offer #4: $256.99 price + free delivery = $256.99* total. MagnaFuel MP9945 Fuel Pressure Regulator, Aluminum, Purple Anodized, 4-12 psi, Return Line, Universal, Each.FREE SHIPPING