2004 Nissan Quest Fuel Pump: Complete Replacement Guide and Cost Breakdown

If you own a 2004 Nissan Quest and your engine is struggling to start, stalling at idle, or losing power during acceleration, the fuel pump is the most likely cause. Here is the bottom line: the fuel pump on your 2004 Nissan Quest is an in-tank electric unit located inside the fuel tank, and when it fails, the entire fuel pump module assembly must be replaced. The 2004 Quest uses a non-serviceable fuel filter integrated into the pump module, so you cannot simply swap the filter—you need a complete assembly. Replacement parts range from $62 to $155 for aftermarket options up to $505 for a genuine Nissan OEM unit, and total repair costs including labor typically fall between $524 and $692.

Why Your 2004 Nissan Quest Fuel Pump Fails

The fuel pump on your 2004 Nissan Quest is an electric pump mounted inside the fuel tank. It pushes fuel from the tank to the engine at the correct pressure. Over time, several things can go wrong:

  • Normal wear and tear: Electric fuel pumps have a typical lifespan of 100,000 to 150,000 miles. After that, the internal motor brushes wear out.
  • Contaminated fuel: Dirt, rust, or debris in the gas tank can clog the pump strainer or damage the pump impeller.
  • Running on low fuel: Consistently driving with less than a quarter tank causes the pump to overheat because fuel cools and lubricates the pump.
  • Electrical issues: A faulty fuel pump relay, blown fuse, or corroded wiring harness can prevent the pump from getting power.

Common Symptoms of a Bad Fuel Pump on a 2004 Nissan Quest

Recognizing the warning signs early can save you from being stranded. Here are the most common symptoms:

  1. Engine cranks but won't start: This is the classic sign. You hear the starter motor turning the engine over, but it never fires up. If you don't hear a faint hum from the rear of the vehicle when you turn the key to the "ON" position, the pump is likely dead.
  2. Loss of power under load: The engine feels weak when accelerating, especially going uphill or merging onto the highway. This happens because the pump cannot maintain the required fuel pressure.
  3. Engine sputtering or surging: The car may jerk or hesitate while cruising at a steady speed. The engine might feel like it is "choking" as the fuel supply becomes inconsistent.
  4. Whining noise from the fuel tank: A healthy fuel pump makes a quiet, steady hum. If you hear a loud whining or grinding noise coming from the rear of the vehicle near the gas tank, the pump bearings are failing and replacement is imminent.
  5. Poor fuel economy: A failing pump that cannot regulate pressure properly forces the engine to run rich or lean, both of which waste gas.
  6. Engine stalls randomly: The car may stall at stoplights or during low-speed driving, then restart after a few minutes. This is a dangerous symptom, especially in traffic.

Where Is the Fuel Pump on a 2004 Nissan Quest?

The fuel pump on the 2004 Nissan Quest is located inside the fuel tank. To access it, you need to remove the fuel pump module access panel, which is located just behind the second row of seats underneath the carpeting. This means you do not necessarily have to drop the fuel tank, though some repair shops prefer to drop the tank for easier access. The fuel filter is integrated into the pump module assembly and is not serviceable separately—you must replace the entire assembly if the filter clogs or the pump fails.

2004 Nissan Quest Fuel Pump Replacement Cost

The cost to replace a fuel pump on a 2004 Nissan Quest varies depending on whether you choose a genuine Nissan part, an aftermarket replacement, and whether you do the work yourself or hire a mechanic.

Parts Cost Breakdown

Genuine Nissan OEM Fuel Pump

  • Part number 17040-ZD80B (Complete Fuel Pump Assembly, fits 2004-2010 Quest)
  • MSRP: $771.23, discounted price: $505.31
  • Fits 2004-2006 Quest with 3.5L V6 engine (VQ35DE)

Aftermarket Fuel Pump Module Assemblies

  • A-Premium FP0116C: $62.95 with free shipping. This is a direct replacement for 2004-2009 Nissan Quest S, SL, SE models with 3.5L V6.
  • Go-Parts Fuel Pump: $155.95. Fits 2004-2009 Nissan Quest with 3.5L V6. Comes with a 90-day return policy and OEM quality assurance.
  • DriveBolt Fuel Pump Module Assembly (A6247M): $40.95 plus shipping. Fits 2004-2009 Quest 3.5L V6 VQ35DE.
  • Delphi Fuel Pump (PN3039): $105.97 plus shipping. A premium OE-quality brand that includes a fuel pump module assembly with strainer and installation instructions. Fits 2004-2009 Quest 3.5L V6.
  • TYC 150211-A Fuel Pump Module Assembly: $172.99. Fits 2004-2006 Nissan Altima, 2004-2008 Maxima, and 2004-2009 Quest.
  • Autobest F4556A Fuel Pump Module Assembly: $96.09. Features a turbine pump, built-in regulator, and quick-connect outlet. Fits 2004-2009 Quest 3.5L and 2004-2006 Altima 2.5L/3.5L (non-California).
  • Quantum Fuel Pump Module Assembly (E8545M): $219.98. OEM or better performance, designed for quiet operation, backed by a lifetime warranty.
  • LONGKEES Fuel Pump Assembly: Typically priced around $50-70 online. A budget-friendly option that replaces OE numbers E8545M, 17040-7Y000, 17040-9J300, and others. Fits 2004-2009 Quest 3.5L (non-California emissions vehicles only).

Labor Cost

Professional installation typically costs between $145 and $183 for labor. The job takes about 2 to 4 hours for a professional mechanic or 2 to 4 hours for a competent DIYer. Some repair shops in high-cost areas like Dubai charge starting from AED 450 (approximately $122 USD) for labor, but US rates are generally higher.

Total Estimated Cost

  • DIY with aftermarket part: $62 to $220 for the part, plus basic hand tools you may already own.
  • Professional installation with aftermarket part: $207 to $403 total (part plus labor).
  • Professional installation with genuine Nissan part: $650 to $688 total (part plus labor).
  • National average across all vehicles: $611 to $894, but Nissan Quest replacement typically falls at the lower end of this range.

How to Choose the Right Fuel Pump for Your 2004 Nissan Quest

Check Your Engine and Emissions

The 2004 Nissan Quest came with a 3.5L V6 engine (VQ35DE). Some aftermarket fuel pumps, like the LONGKEES and A-Premium FP0116C, are specifically labeled for non-California emissions vehicles only. If your Quest is registered in a CARB-compliant state (California, New York, etc.), you must use a pump that meets those standards. The genuine Nissan OEM part (17040-ZD80B) covers all emissions configurations.

OE Replacement Numbers

If you are shopping for a replacement, look for these OE numbers that cross-reference to the 2004-2009 Nissan Quest fuel pump:

  • E8545M
  • 17040-7Y000
  • 17040-9J300
  • 17040-ZD80B
  • 17040-ZB00A
  • FG0987
  • P76169M

What Comes in the Box

Most aftermarket fuel pump module assemblies include:

  • Complete fuel pump module with housing
  • Fuel level sending unit with float
  • Fuel strainer (filter sock)
  • Seal or gasket (sometimes included, check before ordering)
  • Instruction sheet

Some budget options may omit the gasket or sealing ring, so confirm before purchasing.

Step-by-Step: Replacing the Fuel Pump on a 2004 Nissan Quest

If you are mechanically inclined, you can replace the fuel pump yourself. Here is the general process:

Step 1: Relieve Fuel System Pressure
Locate the fuel pump relay in the fuse box and pull it out. Start the engine and let it run until it stalls. This relieves pressure in the fuel lines.

Step 2: Disconnect the Battery
Remove the negative battery terminal to prevent any electrical sparks.

Step 3: Access the Fuel Pump
Remove the rear seats or lift the carpet in the rear cargo area. You will find the fuel pump access panel located behind the second row of seats. Remove the screws holding the access cover.

Step 4: Remove the Old Pump Assembly
Disconnect the electrical connector and fuel lines from the pump assembly. Use a fuel line disconnect tool if necessary. Remove the retaining ring (lock ring) using a hammer and punch or a special lock ring tool. Carefully lift the pump assembly out of the tank.

Step 5: Install the New Pump Assembly
Transfer any reusable components from the old assembly to the new one if needed. Place the new pump assembly into the tank, ensuring the float arm does not bend. Install the retaining ring and tighten it securely. Reconnect the fuel lines and electrical connector.

Step 6: Test the System
Reconnect the battery and prime the fuel pump by turning the key to the "ON" position for 3 seconds, then off, then back on. Check for leaks. Start the engine and verify proper operation.

Preventing Future Fuel Pump Failure

  1. Keep your gas tank at least a quarter full. Running on empty causes the pump to overheat and suck in air and debris from the bottom of the tank.
  2. Replace the fuel filter regularly. On the 2004 Quest, the filter is integrated into the pump module, so you only get a new filter when you replace the pump. Keeping your fuel system clean extends pump life.
  3. Use quality fuel. Cheap gas with high ethanol content or contaminants can damage the pump. Stick to top-tier fuel stations.
  4. Address check engine lights promptly. A faulty fuel pressure regulator or clogged injector forces the pump to work harder.

Why Choose KEMSO for Your 2004 Nissan Quest Fuel Pump

When you are ready to replace the fuel pump on your 2004 Nissan Quest, consider KEMSO Racing for a reliable, high-performance solution. KEMSO fuel pumps are engineered to deliver OEM-grade performance and fitment, ensuring your Quest gets the correct fuel pressure and reliable delivery it needs for smooth starts and consistent power.

Every KEMSO fuel pump is built as a direct drop-in replacement, meaning no modifications, no wiring headaches, and no guesswork. The pumps feature upgraded polymers and commutators for long-term durability, even with modern ethanol-blended fuels. KEMSO stands behind their products with a lifetime free replacement warranty—if there is any issue at any time, they will replace the pump free of charge.

By choosing KEMSO, you are getting a high-performance, OEM replacement fuel pump that exceeds factory specifications in many cases. Their pumps are tested for quiet operation, reliable fuel pressure, and long service life. Whether you are a DIY mechanic or having a shop install it, KEMSO makes the job straightforward.

Visit the KEMSO Racing website to find the right fuel pump for your 2004 Nissan Quest: https://www.kemsoracing.com/

Final Thoughts

A failing fuel pump on your 2004 Nissan Quest is not something to ignore. The symptoms—hard starting, loss of power, stalling—only get worse over time until the vehicle becomes undrivable. The good news is that replacement is straightforward, parts are widely available, and costs are reasonable. Genuine Nissan parts offer guaranteed fitment and peace of mind, but quality aftermarket options like KEMSO can save you significant money without sacrificing reliability.

If you are experiencing any of the symptoms described in this guide, have your fuel pressure tested by a professional or inspect the pump yourself. Replacing the 2004 Nissan Quest fuel pump early can save you from a roadside breakdown and costly tow truck bills. For the best combination of performance, warranty, and value, check out KEMSO Racing at https://www.kemsoracing.com/ for your replacement fuel pump needs.


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