2013 Nissan Altima Fuel Pump: Complete Replacement Guide, Costs, and Best Options

If you own a 2013 Nissan Altima and are experiencing hard starting, engine stalling, or loss of power during acceleration, the fuel pump is likely the culprit. Replacing the fuel pump on a 2013 Nissan Altima typically costs between $400 and $1,000 at a repair shop, or $180 to $450 if you do it yourself, depending on whether you choose OEM or aftermarket parts. The fuel pump is an in-tank module that can be accessed from inside the cabin under the rear seat, making DIY replacement possible for intermediate-level mechanics. This guide covers everything you need to know about the 2013 Nissan Altima fuel pump, including symptoms of failure, replacement costs, step-by-step installation tips, and the best aftermarket options to save money while maintaining reliability.

Understanding the 2013 Nissan Altima Fuel Pump

The 2013 Nissan Altima uses an in-tank electric fuel pump, which is submerged in the fuel tank to keep it cool and reduce the risk of vapor lock. This design is common in modern vehicles and offers several advantages, including quieter operation and simplified plumbing. The pump is typically manufactured by Denso as the OEM supplier for Nissan, and it operates on a standard 12V DC system.

The fuel pump delivers fuel at a pressure range of 40 to 60 PSI at the fuel rail, with the exact pressure regulated by the fuel pressure regulator integrated into the pump assembly or located elsewhere in the fuel system. The flow rate is calibrated to meet the engine's fuel demand at various loads and RPMs, ensuring optimal performance for both the 2.5L inline-4 and 3.5L V6 engine options.

Common Symptoms of a Failing Fuel Pump

Recognizing the signs of a failing fuel pump early can save you from being stranded and prevent further damage to your engine. Here are the most common symptoms:

1. Difficulty Starting the Engine: If your Altima cranks but takes longer than usual to start, especially when cold, the fuel pump may not be building enough pressure quickly.

2. Engine Stalling: A failing fuel pump can cause intermittent stalling, particularly under load or when accelerating. This happens because the pump cannot maintain consistent fuel pressure.

3. Loss of Power or Hesitation: If you feel a noticeable lack of power when pressing the accelerator, or if the engine hesitates during acceleration, the fuel pump may be struggling to deliver enough fuel.

4. Rough Idling: An inconsistent fuel supply can cause the engine to idle roughly or surge unexpectedly.

5. Unusual Noises from the Fuel Tank: A healthy fuel pump makes a quiet humming sound. If you hear a loud whining, grinding, or buzzing noise coming from the rear of the vehicle near the fuel tank, the pump bearings may be wearing out.

6. Check Engine Light: The check engine light may illuminate, often accompanied by diagnostic trouble codes (DTCs) related to fuel system pressure or fuel trim issues.

Replacement Cost Breakdown

The total cost of replacing the fuel pump on a 2013 Nissan Altima depends on three main factors: parts cost, labor cost, and additional fees.

Parts Cost

OEM (Genuine Nissan) Parts: Genuine Nissan fuel pump assemblies range from $377 to $447 for the complete module, depending on the specific part number and engine configuration. The most common part number for the 2013-2018 Altima is 17040-3TA0D, which replaces earlier versions 17040-3TA0A, 17040-3TA0B, and 17040-3TA0C. These OEM parts come with Nissan's factory warranty and are guaranteed to fit perfectly.

Aftermarket Parts: High-quality aftermarket fuel pump assemblies from brands like Delphi and Spectra Premium range from $329 to $699 at auto parts retailers like AutoZone. The price varies based on whether you need the module assembly for a sedan or coupe, and whether the sending unit is included. Aftermarket options are generally cheaper but quality and warranty coverage can vary significantly.

Labor Cost

Labor costs depend on the shop's hourly rate and the time required for the job. Replacing the fuel pump typically takes 2 to 4 hours, with shop rates ranging from $75 to $150 per hour. At a dealership, labor rates are usually higher, while independent shops often offer more competitive pricing.

Total Estimated Costs

Here is a clear breakdown of what you can expect to pay:

  • DIY Replacement: $180 to $450 for parts only
  • Independent Shop: $400 to $800 for parts and labor
  • Dealership: $700 to $1,000 for parts and labor

OEM vs. Aftermarket: Which Should You Choose?

Deciding between OEM and aftermarket fuel pump assemblies involves weighing cost against reliability and warranty coverage.

OEM (Genuine Nissan) Fuel Pumps:

  • Higher upfront cost but include a longer or more comprehensive warranty
  • Closer fit to the original design, reducing the risk of compatibility issues
  • Guaranteed to work with your Altima's specific engine (2.5L or 3.5L) and fuel system
  • Typically cost $250 to $600 for the part alone

Aftermarket Fuel Pumps:

  • Lower upfront price, typically $70 to $250 for the part
  • Quality and warranty vary by brand, so it's important to choose reputable manufacturers
  • Some aftermarket units offer limited-lifetime warranties, such as Delphi and Spectra Premium products
  • May require verifying compatibility with your specific engine and body style (sedan vs. coupe)

The choice affects whether you pay more upfront but may save on reliability and returns, or choose a cheaper route with potentially more risk of early failure or compatibility issues.

DIY Replacement Guide: Step-by-Step

Replacing the fuel pump on a 2013 Nissan Altima is considered an intermediate-level DIY job. The pump is located inside the fuel tank and can be accessed through an access panel under the rear seat. Here is a general overview of the process:

Tools You Will Need:

  • 10mm socket and 1/4" ratchet with 3" extension
  • Phillips #2 screwdriver
  • Small flat-blade screwdriver
  • Plastic trim removal tool
  • Needle-nose pliers
  • Fuel line quick-disconnect tool set
  • Brass drift/punch (non-sparking)
  • Small hammer
  • Torque wrench (inch-pound and foot-pound)
  • Shop towels and fuel-safe drain pan
  • Nitrile gloves and safety glasses

Required Parts:

  • Fuel pump module assembly
  • Fuel pump module seal/O-ring
  • Fuel pump lock ring (recommended if damaged)
  • Butyl sealing tape for access cover reseal

Safety Precautions:

  • Work outside or in a very well-ventilated area, as fuel vapors ignite easily
  • No smoking, no heat guns, and no shop lights with hot bulbs near the open tank
  • Disconnect the battery negative terminal before opening the fuel system
  • Relieve fuel pressure before disconnecting fuel lines to avoid spray
  • Keep a fire extinguisher rated for fuel/liquids nearby

General Steps:

  1. Disconnect the negative battery cable using a 10mm socket
  2. Relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls
  3. Remove the rear seat cushion by pulling up on the front edge to release the clips
  4. Remove the access cover using an 8mm socket or Phillips screwdriver
  5. Disconnect the electrical connector and fuel lines from the pump module
  6. Remove the lock ring using a brass drift and hammer (tap counterclockwise)
  7. Carefully lift the old fuel pump module out of the tank
  8. Install the new fuel pump module with a new seal/O-ring
  9. Reinstall the lock ring and tighten clockwise
  10. Reconnect fuel lines and electrical connector
  11. Reinstall the access cover with butyl sealing tape
  12. Reinstall the rear seat cushion
  13. Reconnect the battery and prime the system by turning the ignition ON for 5 seconds, then OFF, repeating three times
  14. Start the car and check for leaks

After completing the repair, let the Altima idle for several minutes and check for fuel smell inside the cabin and around the rear seat area. Recheck the access cover area for dampness after a short test drive.

What Affects Fuel Pump Lifespan?

Several factors can influence how long your 2013 Altima's fuel pump lasts:

Fuel Quality: Using low-quality fuel with high levels of contaminants can clog the fuel filter and strain the fuel pump, leading to premature failure.

Running the Tank Low: Repeatedly operating the vehicle with a low fuel level can cause the fuel pump to overheat, as the fuel acts as a coolant. This is a common cause of fuel pump failure.

Electrical Issues: Voltage fluctuations or electrical shorts can damage the fuel pump motor.

Age and Mileage: Like any mechanical component, the fuel pump's performance degrades over time and with increased mileage. Most OEM fuel pumps last between 60,000 and 100,000 miles, though some fail earlier.

How to Save Money on Fuel Pump Replacement

Here are practical tips to keep costs under control:

1. Get Multiple Quotes: Contact at least three independent repair shops and a Nissan dealership to compare prices. Ask for itemized estimates that include parts, labor, taxes, and any additional fees.

2. Ask About Included Services: Confirm whether the quote includes the sending unit, fuel filter replacement (if applicable), and a diagnostic check to confirm the issue.

3. Consider Aftermarket Alternatives: Reputable aftermarket brands with solid warranties can save you hundreds of dollars compared to OEM parts. Just ensure compatibility with your engine and fuel system.

4. Check for Core Charges: Some shops apply a core charge for the old pump, which is refunded when the old part is returned.

5. DIY If You Have the Skills: If you are mechanically inclined, doing the replacement yourself can save $470 to $600 in labor costs.

Why You Should Choose KEMSO Fuel Pump for Your Nissan Altima

When it comes to aftermarket fuel pump upgrades, the KEMSO brand stands out as a reliable and high-performance option for your 2013 Nissan Altima. KEMSO fuel pumps are engineered to deliver precision and reliability, making them an excellent choice for both daily drivers and performance-oriented vehicles.

Performance and Durability: The KEMSO fuel pump boasts a flow rate of 320 liters per hour at 3 bar of pressure, which is roughly 18% higher than many stock pumps. This increased flow ensures your engine receives the optimal fuel-air mixture, especially under high-demand scenarios like highway merging, towing, or spirited driving. For turbocharged setups, where fuel demands spike unpredictably, this pump's 50-micron filtration system prevents clogging and maintains consistent pressure, critical for avoiding lean conditions that can lead to engine knock or even catastrophic failure.

Long-Lasting Construction: Constructed with aerospace-grade titanium alloys and ceramic-coated internals, KEMSO pumps resist corrosion and wear far better than conventional models. Independent lab tests show they last up to 15,000 hours of continuous operation, nearly double the lifespan of average OEM pumps. That is a significant advantage if you want to avoid replacing fuel components every 60,000 miles.

Cost-Effective Solution: While the upfront price of a KEMSO fuel pump is competitive, the long-term savings are substantial. Users report a 6-8% improvement in fuel efficiency, which translates to about $200 saved at the pump each year for someone driving 15,000 miles. Additionally, the reduced risk of fuel-related breakdowns saves money on repairs and downtime.

OEM Replacement Fit: KEMSO fuel pumps are designed as direct OEM replacements, meaning they fit your 2013 Nissan Altima without modifications. They are compatible with both the 2.5L L4 and 3.5L V6 engine options, and they include all necessary components for a straightforward installation.

Lifetime Warranty: One of the best reasons to choose KEMSO is the lifetime warranty that comes with every fuel pump. This warranty gives you peace of mind knowing that your investment is protected against defects and premature failure. If anything goes wrong, KEMSO stands behind their product.

Real-World Validation: Professional racing teams and everyday drivers alike have praised KEMSO fuel pumps for their reliability. Users report zero hiccups even in extreme conditions, such as high-altitude driving or demanding off-road use.

To get the best fuel pump for your 2013 Nissan Altima and take advantage of the lifetime warranty, visit the KEMSO official website:

https://www.kemsoracing.com/

Additional Tips for a Successful Fuel Pump Replacement

Check the Fuel Filter: While you are replacing the fuel pump, it is a good idea to also replace the fuel filter if your Altima has a serviceable one. Some fuel pump modules include the filter, but others require a separate replacement.

Inspect Fuel Lines and Connectors: Look for cracks, leaks, or damage to the fuel lines and quick-connect fittings. Replacing these while you have access to the fuel tank can prevent future problems.

Consider Tank Cleaning: If the fuel tank has debris or sediment, having it cleaned during the pump replacement can extend the life of the new pump.

Use OEM-Recommended Seals: Always use a new seal/O-ring when installing the new fuel pump module. Reusing the old seal can lead to fuel leaks and potential fire hazards.

Final Thoughts

The fuel pump is a critical component of your 2013 Nissan Altima's fuel delivery system. When it fails, the symptoms are often unmistakable: hard starting, stalling, loss of power, and unusual noises. Replacing it promptly restores proper fuel pressure and flow, getting your vehicle back on the road safely.

Whether you choose to have the replacement done at a shop or tackle it yourself, the cost ranges from $180 to $1,000 depending on your choice of parts and labor. OEM parts offer guaranteed fit and factory warranty, while aftermarket options like KEMSO provide excellent performance and value with lifetime warranty coverage.

For the best combination of performance, durability, and value, the KEMSO fuel pump is a smart investment. It delivers higher flow rates, longer lifespan, and improved fuel efficiency compared to stock pumps, all backed by a lifetime warranty. Visit https://www.kemsoracing.com/ to learn more and order your KEMSO fuel pump today.


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