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Fuel Rail

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Fuel Rail Products

If improper maintenance or age takes its toll on the fuel rail to the point that this component leaks, your best resort is to have it replaced with a new and high-quality unit. Why? Because fuel leaks don't just result in poor fuel mileage; it can also lead to engine fire. The rail, which runs parallel to the engine block, directs fuel from the pump to the individual fuel injectors, which in turn spray the fuel to the engine. The fuel rail also doubles as a mounting point for the fuel pressure regulator and the fuel damper, if your ride is equipped with one. When you're trying to replace or service this component by yourself, you have to make sure first that the pressure in the fuel system is relieved before you disconnect the rail. It's also ideal to have clean rags or shop towels to soak up the fuel that drains out the moment you disconnect it. The finest fuel rail replacement your ride deserves is available here in our site 24/7. To find the component that perfectly matches your ride's specs, all you need is to give us your vehicle's year, make, and model and presto! Take your pick and place your order here in our site or through toll-free hotline.

Buying Guides

Date Published :

Which Fuel Rail Fits Your Ride?

If you switched the engine on and yet your fully functioning pump has trouble receiving fuel, it's possible that your fuel rail has gone south. With a leaking rail, fuel won't be delivered to the injectors, which could ruin your auto's powerful performance. So in case you notice any of these signs, make sure you shop for your fuel rail replacement ASAP.


One of the things you have to consider when shopping for new fuel rail is its material.

  • Steel: If you're on a budget, you can go for a steel fuel rail. Steel fuel rails may vary in prices, though you can find a replacement for as low as $75. Most vintage models like Mustang with V8 engines are compatible with steel fuel rails. Some experts who prefer building their own fuel rails recommend using steel because they are less susceptible to heat, leading to less fuel boiling after engine shutdown.
  • Aluminum: If you prefer driving your car in the fast lane, then go for an aluminum fuel rail. Commonly used in Toyota Supra, Toyota MR2, and Volkswagen 1.8 liter, 16 valve and 20 valve engines, aluminum rails are preferred by motorsports enthusiasts. It is perfect for medium to high horsepower applications because it can withstand pressure and extreme environments. These are often more expensive than steel fuel rails, ranging from $99 to $267.
  • Gunmetal: If you taking your truck in the outskirts of the city, you'd want to get a gunmetal fuel rail for your ride. Resistant to corrosion, steam, and other harmful chemicals, this type of fuel rail is great for engines used heavy-duty applications such as off-road driving, towing, hauling, etc. It can also be used in other race cars such as Nissan 240 SX and Chevrolet Corvette. The most expensive rail of them all, gunmetal rails usually cost around $119 to $200 and up.

Product Fit and Quantity Sold

Another thing you have to consider when shopping for a fuel rail is its product fit and quantity sold. These will allow you to decide if the price of the steep price of the product is worth paying for or if you can just go with cheaper ones.

  • Product fit: You can get OE replacements or products with direct fit. Though OE replacements are cheaper, we recommend getting products with direct fit to make sure that they're really designed for a specific engine. This can prevent having to return the rails if they do not fit your car or truck's engine.
  • Quantity sold: Instead of purchasing individual rails, choose kits. Kits often come complete with billet rails, hardware lines, regulators, and instructional guides, making installation faster and easier.

Repair Guides

Date Published :

How to Change a Damaged Fuel Rail

With a failing fuel rail, achieving fuel efficiency within the vehicle is impossible. Fuel rails deliver fuel to the injectors-so if your vehicle has a bad fuel rail and you left it unattended, this might lead to permanent engine damage. To find out if your car's rail has a problem, watch out for these signs: frequent engine misfire, strong gas odor while the engine is running, and leaks within the system. Should any of these symptoms show, make sure you replace the broken component right away by following this guide.

Difficulty level: Moderate

Things that you'll need:

  • Flat tip screwdriver
  • 10 mm socket/ratchet and 6" extension
  • Thin head with 24mm or a 15/16" open end wrench
  • 19mm open end wrench
  • Probe
  • Lubricant (WD-40 or equivalent)
  • Catch rags

Step 1: Disconnect your battery cables. Make sure you have catch rags underneath the fuel pressure damper and regulator to catch fuel while disconnecting the fuel supply and return lines. Allow the engine to cool down before starting the process.

Step 2: Remove the valve that secures the fuel rail and all the bolts and screws that hold the rails to the engine. Take out the fuel inlet, return line, electrical connections, and other components attached to the rail. Hold the rail and pull it away from the intake manifold. Ensure that the fuel injectors come out with the rail.

Step 3: Apply the lubricant on the o-rings; afterwards, carefully push the injectors into the manifold. Install the new fuel rail; ensure that all the necessary fittings are attached. Clamp the rail in a vise to avoid damaging its covering. Torque the fuel rail's retaining bolts using the socket and wrench. (Measurement should be 6 ft.-lbs.)

Step 4: Install the fuel rail cover, connect the fuel supply and return lines, and connect the fuel damper and fuel pressure regulator vacuum lines.

Step 5: Test the entire system to ensure that everything is tightly secured. Reconnect the battery and turn on the ignition. Check all connections while the engine is running-there shouldn't be any sign of leaks.

Safety warnings and tips:

  1. Wear personal protective equipment (safety glasses, gloves, etc.) before doing the task.
  2. Make sure you have quick access to a fire extinguisher in case something goes amiss.
  3. Be sure to relieve fuel system pressure before you begin replacing the fuel rails.
  4. Check the condition of the injector o-ring seals and caps; replace if necessary.

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