QUANTUM FUEL SYSTEMS HFP-PR71 Qfs Pressure Regulator 860349A1 383 502 V8

( Brand: Quantum Fuel Systems ), ( Manufacturer Part Number: HFP-PR71 ), ( Part Type: Pressure Regulator ), ( Modified Item: No )

Review QUANTUM FUEL SYSTEMS Qfs Pressure Regulator Mercury 383 502 V8 fits MERCRUISER EFI 454

Quantum Fuel HFP-PR71 QFS EFI Pressure Regulator for Mercury Mercruiser 383, 454, 502 V8

The Quantum Fuel HFP-PR71 QFS EFI Pressure Regulator (860349A1) is a high-performance component designed specifically for Mercury Mercruiser 383, 454, and 502 V8 engines. This pressure regulator is an essential addition to your engine's fuel system, ensuring optimal fuel delivery for improved engine performance and efficiency.

Crafted by Quantum Fuel Systems, a leading name in marine fuel systems, this regulator is engineered to withstand the rigors of the marine environment. It is designed to maintain consistent fuel pressure under various operating conditions, ensuring smooth and reliable engine operation.

The HFP-PR71 QFS EFI Pressure Regulator features a durable construction with a corrosion-resistant body and high-quality internal components. It is designed to meet the unique demands of high-performance marine applications, offering a high flow rate and precise pressure control.

Installing this regulator is a straightforward process, thanks to its user-friendly design and compatibility with standard marine fuel system setups. It is easy to adjust and calibrate, allowing you to fine-tune your engine's fuel pressure to achieve the best possible performance.

In summary, the Quantum Fuel HFP-PR71 QFS EFI Pressure Regulator (860349A1) is an essential upgrade for your Mercury Mercruiser 383, 454, and 502 V8 engine. It offers improved fuel delivery, enhanced engine performance, and increased efficiency, making it an indispensable addition to your marine fuel system. Upgrade your engine today with the Quantum Fuel HFP-PR71 QFS EFI Pressure Regulator.

1. Designed specifically for Mercury Mercruiser engines, ensuring a precise fit and compatibility.

2. EFI (Electronic Fuel Injection) capability, which can improve engine performance and fuel efficiency.

3. Pressure regulator feature helps maintain optimal fuel pressure, enhancing engine performance and longevity.

4. Durable construction for long-lasting performance.

1. This product is a specialized part, which may be more expensive compared to standard fuel regulators.

2. Installation may require professional assistance or specific tools, increasing the overall cost.

3. Availability might be limited compared to more common fuel regulator models.

The Quantum Fuel HFP-PR71 QFS EFI Pressure Regulator 860349a1 for Mercury Mercruiser 383, 454, 502 V8 is a high-quality, specialized part that can help enhance your engine's performance and fuel efficiency. Its EFI capability, pressure regulator feature, and durable construction make it a valuable investment for owners of Mercury Mercruiser engines. However, its higher cost and potential need for professional installation are important factors to consider.

If you own a Mercury Mercruiser engine and are experiencing issues with fuel pressure or seeking to improve your engine's performance, this pressure regulator would be a worthwhile investment. However, ensure to weigh the costs and potential need for professional installation before making a decision. If you're unsure, consulting with a professional mechanic is always recommended.

Details:

QFS EFI Fuel Pressure Regulator 860349A1 Mercury Mercruiser 383 454 502 V8. Quantum Fuel Pressure Regulator for Yamaha 250HP F/LF250 2004 10 6P2-13906-00-00. AEM /INNOVATE / ZEITRONIX do not Warranty Wide band O2 Sensors. Part Number: HFP-PR71, condition: 100% BRAND NEW, Design: In tank EFI Fuel Pressure Regulator, Warranty: LIFETIME.

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part #: hfppr71 prices

• $90.98-$126.68

specifications jetskiintakeez:

• for models: Efi, 454, Mercruiser
• for makes: Mercury
• brand: Quantum Fuel Systems
• mpn: Hfp-pr71
• part type: Pressure Regulator
• modified item: No

general jetskiintakeez:

• condition: New
• Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems

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• other
• credit card: Visa
• wallet: Paypal

seller jetskiintakeez:

• city: Ventura, California
• # reviews: 2343
• rating: 98.6%

returns jetskiintakeez:

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

shipping jetskiintakeez:

• carrier: USPS, FedEx
• type: Fixed
• cost: $0.00
• class: Standard, Expedited
• transit: 2-6 Days
• service: USPS Ground Advantage, FedEx 2Day

offer jetskiintakeez:

• quantity: 2
• started: November 13, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

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