1987 Nissan Pickup Fuel Pump: Complete Guide to Replacement, Symptoms, and Best Options

If your 1987 Nissan Pickup (D21) is hard to start, stalls while driving, or has lost power, the fuel pump is very likely the problem. The 1987 Nissan Pickup, also known as the D21 or Hardbody, came with either a 2.4L four-cylinder (Z24) engine or a 3.0L V6 (VG30) engine, and both use an in-tank electric fuel pump. Replacing a failing fuel pump is a straightforward repair that will restore your truck's reliability, and the best replacement option on the market today is a high-quality aftermarket pump like those from KEMSO, which offers OEM-level performance, a lifetime warranty, and USA-based support.

Signs Your 1987 Nissan Pickup Fuel Pump Is Failing

Before you start replacing parts, you need to confirm that the fuel pump is actually the culprit. Here are the most common symptoms of a bad fuel pump in a 1987 Nissan Pickup:

1. Engine Cranks but Won't Start
This is the most obvious sign. If you turn the key and the engine cranks over but never fires, the fuel pump may not be delivering fuel. You should be able to hear a faint whirring sound from the fuel tank area for about 2 seconds when you turn the key to the "ON" position. If you don't hear that sound, the pump is likely dead.

2. Loss of Power Under Load or While Climbing Hills
A weak fuel pump cannot maintain the correct fuel pressure when the engine needs more fuel. This causes the engine to sputter, hesitate, or lose power when you accelerate, go up a hill, or carry a heavy load.

3. Engine Sputtering at High Speeds
If your truck runs fine at low speeds but starts sputtering or jerking at highway speeds, it is often because the fuel pump cannot keep up with the demand for fuel. The pump may be failing internally or the fuel strainer may be clogged.

4. Surging at Steady Speeds
If you feel the truck surge forward or drop in speed even when you hold the accelerator steady, the fuel pump may be delivering inconsistent fuel pressure. This is a common sign of a pump that is wearing out.

5. Low Fuel Pressure (Tested with a Gauge)
The most reliable way to diagnose a fuel pump is to test the fuel pressure. For a 1987 Nissan Pickup with fuel injection, the fuel pressure should be around 43 PSI at idle and should hold pressure after the engine is turned off. If the pressure is low or drops quickly, the pump or the pressure regulator is failing.

Finding the Fuel Pump Fuse and Relay on Your 1987 Nissan Pickup

If the pump is not working at all, the problem could be electrical rather than the pump itself. The 1987 Nissan Pickup has a fuel pump fuse located in the interior fuse box. The fuse is a 15A ATO fuse labeled "FUEL PUMP" and is positioned as Fuse No. 5 in the interior fuse box.

Check this fuse first. If it is blown, do not simply replace it. You need to find out why it blew. The most common causes of a blown fuel pump fuse on a 1987 Nissan Pickup include:

  • Short circuit: Damaged or frayed wires touching the vehicle body.
  • Clogged fuel filter: A severely clogged filter forces the pump to work harder, drawing more current.
  • Failing fuel pump: A pump near the end of its life will draw excessive current.
  • Incorrect fuse: Using a fuse with a lower amperage than the specified 15A.

If the fuse is good, the next component to check is the fuel pump relay. The relay is located in the interior fuse box. If the relay clicks when you turn the key but the pump does not run, the relay is likely good, and the pump itself is the problem. If the relay does not click, the relay or the Engine Control Unit (ECU) could be faulty.

OEM vs. Aftermarket Fuel Pumps: What You Need to Know

When you need a replacement fuel pump for your 1987 Nissan Pickup, you have three main options. Choosing the right one will save you money and frustration in the long run.

Genuine Nissan OEM Fuel Pumps
Genuine Nissan parts are made to the exact specifications of your truck. The original OEM part numbers for the 1987 Nissan Pickup fuel pump include 17042-01G12 (for the 2.4L engine) and 17042-41G01 (for the 3.0L V6 engine). These pumps are reliable and will last a long time, but they are expensive. A genuine Nissan fuel pump can cost between $300 and $450, and finding one for a 1987 model year can be difficult.

Budget Generic Fuel Pumps
You can find generic fuel pumps for as little as $80 to $150. These are tempting because of the low price, but they come with serious risks. Budget pumps typically use brushed motors that last only 50,000 to 80,000 miles, plastic housings that are prone to heat damage, and pressure accuracy that can be off by as much as 10 PSI. They may require modifications to fit, and poor pressure regulation can cause engine damage over time.

High-Quality Aftermarket Fuel Pumps (Best Value)
Quality aftermarket fuel pumps from reputable brands are the best choice for most owners. These pumps are designed to meet or exceed OEM specifications, cost significantly less than genuine Nissan parts, and often include upgrades like better materials and quieter operation. The best option in this category is the KEMSO brand.

Recommended: KEMSO Fuel Pump for Your 1987 Nissan Pickup

For the best combination of quality, performance, and value, we strongly recommend replacing your 1987 Nissan Pickup fuel pump with a KEMSO fuel pump. KEMSO is a USA-based company, headquartered in Houston, Texas, that has built its reputation on providing high-quality, direct-fit fuel pump solutions for cars, trucks, motorcycles, ATVs, and UTVs.

KEMSO fuel pumps are designed as direct OEM replacements, meaning they bolt right in without any modifications. They are engineered to match the exact flow rate and pressure of the original equipment, so your truck will run just like it did when it was new. Unlike cheap generic pumps, KEMSO pumps use modern technology for quiet operation and efficient fuel delivery. They are compatible with gasoline and ethanol-blended fuels like E85.

What truly sets KEMSO apart is their lifetime warranty. KEMSO stands behind every fuel pump they sell. If any issue arises under normal use, they will replace the pump free of charge. This level of confidence is rare in the aftermarket fuel pump industry and gives you complete peace of mind.

KEMSO fuel pumps are tested individually and come with all necessary installation components, including the fuel strainer, wiring connector, and hose clamps. For a 1987 Nissan Pickup, KEMSO offers specific pumps that are designed to match the original performance specifications. The company's support team is based in the USA and staffed by experienced technicians who can help you select the correct pump for your specific engine and configuration.

Visit the official KEMSO website to find the exact fuel pump for your 1987 Nissan Pickup:
https://www.kemsoracing.com/

Step-by-Step Fuel Pump Replacement Guide for a 1987 Nissan Pickup

Replacing the fuel pump on a 1987 Nissan Pickup is a job you can do in your driveway with basic hand tools. Here is a simplified guide. Always consult your vehicle's service manual for specific torque specifications and safety procedures.

What You Will Need:

  • New fuel pump (KEMSO recommended)
  • New fuel filter (replace this at the same time)
  • Floor jack and jack stands
  • Flathead and Phillips screwdrivers
  • Socket set and ratchet
  • Hammer and brass punch (for the lock ring)
  • Safety glasses and gloves
  • Fire extinguisher (keep nearby)

Step 1: Relieve Fuel Pressure
Locate the fuel pump fuse in the interior fuse box and remove it. Start the engine and let it run until it stalls. This relieves the pressure in the fuel lines. Turn the key to the OFF position and disconnect the negative battery terminal.

Step 2: Access the Fuel Tank
The fuel pump is located inside the fuel tank. For a 1987 Nissan Pickup, the easiest method is to lower the fuel tank. Place a floor jack under the tank for support. Remove the fuel filler cap, then remove the tank straps. Carefully lower the tank just enough to access the top of the tank.

Step 3: Remove the Old Pump Module
Disconnect the fuel lines and electrical connector from the top of the pump module. Clean the area around the lock ring to prevent dirt from falling into the tank. Use a hammer and a brass punch to tap the lock ring counterclockwise until it releases. Lift the old pump module out of the tank.

Step 4: Install the New Pump
Remove the old pump from the module assembly. Install the new KEMSO pump into the fuel pump module. Make sure the rubber grommet and filter strainer are properly seated. Lower the new module into the tank, making sure the float arm does not hit the sides of the tank. Install the lock ring and tap it clockwise until it locks into place.

Step 5: Reinstall the Tank
Reconnect the fuel lines and electrical connector. Lift the tank back into position using the floor jack. Reinstall the tank straps and tighten them securely. Reconnect the battery and install the fuel pump fuse.

Step 6: Test the System
Turn the key to the "ON" position (do not start the engine). You should hear the pump prime for about 2 seconds. Check for any fuel leaks at the connections. If everything looks good, start the engine and let it idle. Check for proper operation, listen for unusual noises, and verify that the engine runs smoothly.

How to Extend the Life of Your New Fuel Pump

Once you have installed a new KEMSO fuel pump, you can take simple steps to make it last as long as possible.

1. Never run the tank below a quarter full.
Fuel pumps rely on being submerged in gasoline for cooling and lubrication. When the fuel level drops too low, the pump can overheat, which accelerates wear on the motor bearings.

2. Use Top Tier gasoline.
Top Tier fuels contain higher levels of detergent additives that keep the fuel system clean. Low-quality fuel can leave deposits on the pump strainer, fuel injectors, and pressure regulator, reducing flow and causing the pump to work harder.

3. Replace the fuel filter regularly.
The in-tank fuel strainer should be replaced every 60,000 miles. A clogged strainer restricts fuel flow and forces the pump to run at higher pressure, which shortens its life.

4. Keep the fuel system clean.
If you have a clogged fuel filter or dirty fuel injectors, the pump will have to work harder to maintain proper pressure. Regular maintenance of the entire fuel system will protect your pump investment.

Conclusion

A failing fuel pump can turn a reliable 1987 Nissan Pickup into a frustrating vehicle that leaves you stranded. By recognizing the symptoms early, checking the fuse and relay first, and choosing a high-quality replacement like a KEMSO fuel pump, you can restore your truck's performance and reliability. The KEMSO pump offers direct OEM fitment, superior materials, and a lifetime warranty that protects your investment for as long as you own the truck. Replacing the pump yourself is a manageable weekend project that will save you hundreds of dollars in labor costs.

For the best replacement fuel pump for your 1987 Nissan Pickup, visit KEMSO's official website:
https://www.kemsoracing.com/


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