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  3. SPARK PR78

SPARK PR78 Box Fuel Pressure Regulator 404-095 1.6L 1.8L-L4

fits make: Mazda. year: 1990–1995.

Pr78 Spark New - Out Of Box Fuel Pressure Regulator 1990-1995 Mazda 1.6l 1.8l-l4

( Brand: Spark ), ( Part Type: Fuel Pressure Box Regulator ), ( Manufacturer Part Number: PR78 ), ( Ipn: 404-095; Mbp01-13-280; Bp01-13-280; Mbp01-13-280a )

Review SPARK New Out Of Box Fuel Pressure Regulator Mazda 1.6l 1.8l-l4 fits 1990–1995

The Spark PR78 Box Fuel Pressure Regulator is an essential component in the fuel delivery system of certain Mazda models, specifically those equipped with 1.6L and 1.8L inline-4 engines manufactured between the years 1990 and 1995. This regulator plays a crucial role in maintaining the correct fuel pressure for optimal engine performance, emissions, and fuel efficiency.

The PR78 regulator is a compact, robust, and reliable component, designed with a durable brass housing that ensures resistance to corrosion and wear. The internal mechanics consist of a diaphragm and a spring assembly that regulate fuel pressure in response to engine vacuum. The regulator also features a built-in check valve that prevents fuel from flowing back into the fuel tank when the engine is off, ensuring a consistent fuel supply to the carburetor or fuel injection system.

This Spark PR78 Box Fuel Pressure Regulator is designed to replace the original equipment manufactured (OEM) regulator in these Mazda applications. It is engineered to meet or exceed OEM specifications, ensuring a precise and reliable fuel pressure regulation. The regulator comes complete with all necessary mounting hardware, making the installation process straightforward and hassle-free for most DIY automotive enthusiasts or professional mechanics.

Key features of the Spark PR78 Box Fuel Pressure Regulator include:

* Brass housing for durability and corrosion resistance

* Internal diaphragm and spring assembly for precise fuel pressure regulation

* Built-in check valve to prevent fuel flowback

* Compatibility with 1990-1995 Mazda 1.6L and 1.8L inline-4 engines

* Includes all necessary mounting hardware for easy installation

In summary, the Spark PR78 Box Fuel Pressure Regulator is a high-quality and reliable replacement component for Mazda vehicles with 1.6L and 1.8L inline-4 engines from the 1990-1995 era. It provides precise fuel pressure regulation, ensures a consistent fuel supply to the engine, and is engineered to meet or exceed OEM specifications. With its durable brass housing, built-in check valve, and easy installation process, this regulator is an excellent choice for Mazda enthusiasts and professional mechanics alike.

Spark PR78 Box Fuel Pressure Regulator for 1990-1995 Mazda 1.6L and 1.8L-L4: A Detailed Analysis

The Spark PR78 Box Fuel Pressure Regulator is a crucial component in the fuel system of 1990-1995 Mazda 1.6L and 1.8L-L4 engines. This regulator maintains the fuel pressure to ensure proper engine performance. In this analysis, we will discuss the pros and cons of buying this specific fuel pressure regulator.

Pros:

1. OEM Quality: The Spark PR78 Box Fuel Pressure Regulator is an original equipment manufacturer (OEM) part. This means it is designed and manufactured by the same company that originally produced it for Mazda. OEM parts are known for their durability and fitment, making them an attractive option for car owners seeking reliable and authentic replacement parts.

2. Improved Engine Performance: A faulty fuel pressure regulator can lead to poor engine performance, including rough idling, difficulty starting the engine, and even stalling. Replacing a worn-out regulator with a new one, like the Spark PR78, can help restore the engine's performance to its original specification.

3. Long Lasting: Spark PR78 Box Fuel Pressure Regulators are designed to withstand the harsh conditions of a fuel system. They are built with high-quality materials and are known for their durability, ensuring that they last longer than aftermarket alternatives.

Cons:

1. Cost: The Spark PR78 Box Fuel Pressure Regulator is more expensive than aftermarket alternatives. However, the cost difference is often outweighed by the regulator's durability and OEM quality.

2. Availability: Depending on your location and the specific Mazda model, finding a Spark PR78 Box Fuel Pressure Regulator might be challenging. You may need to check with local Mazda dealerships or order it online from a reputable auto parts supplier.

Conclusion:

The Spark PR78 Box Fuel Pressure Regulator is a high-quality, reliable, and durable OEM part designed specifically for the fuel systems of 1990-1995 Mazda 1.6L and 1.8L-L4 engines. While it may be more expensive than aftermarket alternatives, its durability and precise fitment make it an excellent investment for those seeking optimal engine performance. If you can find a reliable source and are willing to pay the premium, the Spark PR78 Box Fuel Pressure Regulator is an excellent choice for your Mazda vehicle.

Recommendation:

If you are in the market for a new fuel pressure regulator for your 1990-1995 Mazda 1.6L or 1.8L-L4 engine, consider investing in the Spark PR78 Box Fuel Pressure Regulator. Its OEM quality, durability, and precise fitment make it a worthwhile investment for maintaining optimal engine performance and longevity. However, be sure to check your local Mazda dealerships or reputable online auto parts suppliers for availability.

specifications injectiopug:

  • for makes: Mazda
  • for years: 1990-1995
  • brand: Spark
  • part type: Fuel Pressure Box Regulator
  • manufacturer part number: PR78
  • interchange part number: 404-095; MBP01-13-280; BP01-13-280; MBP01-13-280A

general injectiopug:

  • condition: New other see details
  • Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

returns injectiopug:

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

offer injectiopug:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: August 13, 2025
  • availability: In Stock

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  • other
  • wallet: Paypal
  • credit card: Diners-club

seller injectiopug:

  • rating: 99.3%
  • # reviews: 240366

shipping injectiopug:

  • carrier: USPS
  • transit: 3-8 Days
  • service: USPS Ground Advantage
  • class: Standard
  • cost: $0.00
  • type: Fixed
for makes: mazda, for years: 1990-1995, part type: fuel pressure box regulator,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 7326237227684781,

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