2006 Buick Lucerne Fuel Pump: Symptoms, Replacement Guide, and Cost Insights
If you own a 2006 Buick Lucerne and are experiencing starting issues, loss of power, or strange noises from the fuel tank, the fuel pump is likely the culprit. The fuel pump in your 2006 Buick Lucerne is a critical component that delivers fuel from the tank to the engine. When it begins to fail, you will notice clear symptoms, and replacement is often the only solution. The average cost for a fuel pump replacement on a 2006 Buick Lucerne ranges from $151 to $206 for parts and labor, depending on your engine type and location . Many owners also need a complete fuel pump assembly, which includes the pump, strainer, and sending unit. The most common replacement part numbers for this vehicle include the GM 19370076 module kit and the Herko 720GE fuel pump module . This guide will walk you through the symptoms, diagnosis, replacement options, and costs, so you can make an informed decision and get your Lucerne running reliably again.
Signs Your 2006 Buick Lucerne Fuel Pump is Failing
A failing fuel pump does not always fail suddenly. It often gives you warning signs. Catching these early can prevent you from being stranded on the side of the road. Here are the most common symptoms for a 2006 Buick Lucerne:
- Engine sputters or struggles to maintain speed. If you notice your car hesitates or loses power, especially when accelerating or going uphill, the fuel pump may not be delivering enough fuel pressure .
- Whining noise from the fuel tank. A healthy fuel pump makes a quiet hum. If you hear a loud whining or buzzing sound coming from the rear of the car near the gas tank, the pump is wearing out and needs attention .
- Hard starting. If the engine cranks but takes longer than usual to start, or if it starts and then dies, low fuel pressure is a common cause .
- Engine stalling at high speeds. A failing pump can cause the engine to stall unexpectedly, especially when driving on the highway. This is dangerous and should be addressed immediately .
- Check engine light comes on. The car's computer monitors fuel pressure. If the pressure is too low, the check engine light will illuminate. A diagnostic scan can confirm the issue .
Important: Do not ignore these symptoms. Driving with a failing fuel pump can cause engine misfires, damage to the fuel injectors, and even lead to catalytic converter failure, which is a much more expensive repair .
Where is the Fuel Pump Located?
In the 2006 Buick Lucerne, the fuel pump is located inside the fuel tank. This is the standard location for modern vehicles with electronic fuel injection. The pump is mounted inside the tank, submerged in fuel, which helps keep it cool and lubricated . To access the pump, you will need to either lower the fuel tank or remove a access panel under the rear seat or in the trunk. In most Buick Lucerne models, the easiest access is through an access panel under the rear seat cushion, though this can vary by model year and trim.
What Parts Do You Need for a Replacement?
When replacing the fuel pump on a 2006 Buick Lucerne, it is highly recommended to replace the entire fuel pump module assembly. This saves you from having to go back into the tank later to fix a failed sending unit or clogged strainer. The complete assembly usually includes the pump, the fuel level sender, the strainer, the pressure regulator, and the seal ring. Here are the most common parts that fit the 2006 Buick Lucerne:
- GM Genuine Part #19370076: This is the official GM fuel tank fuel pump module kit. It fits 2006-2007 Buick Lucerne models with 3.8L V6 or 4.6L V8 engines. It replaces older part numbers 19121824, 19153051, and 19331951 .
- Herko 720GE Fuel Pump Module: This is a popular aftermarket direct-fit replacement. It is compatible with the 2006-2007 Buick Lucerne with 3.8L or 4.6L engines, as well as the Cadillac DTS .
- TRQ Fuel Pump & Sending Unit Assembly (FPA72017): This is another direct-fit option that includes the fuel pump and sending unit. It fits the 2006-2007 Buick Lucerne .
- Strainer and Seal Ring: Most complete assemblies come with a new strainer and seal ring. You should always replace these parts when doing the pump replacement .
GM Part Number 21997416 is also listed as a relay for the fuel pump system on the 2006 Lucerne. If your fuel pump is not getting power, the relay may be the issue. This relay costs around $22.44 .
How Much Does a 2006 Buick Lucerne Fuel Pump Replacement Cost?
The cost to replace a fuel pump on a 2006 Buick Lucerne varies depending on where you live and whether you use a mechanic or do it yourself. Based on real-world estimates from a national service provider, here are the typical costs for different 2006 Buick Lucerne models :
| Engine | Location | Estimated Cost Range |
|---|---|---|
| 3.8L V6 (CX) | Nevada | $151 - $185 |
| 4.6L V8 (CXL) | California | $168 - $206 |
| 4.6L V8 (CXL) | California | $168 - $206 |
National average: For most vehicles, the national average cost for a fuel pump replacement is between $611 and $894, including parts and labor. However, the Buick Lucerne is often on the lower end of this range due to relatively easy access compared to some other models . The parts alone for a complete fuel pump assembly typically cost between $85 and $181, depending on the brand .
Labor: Labor is the biggest cost factor. Replacing the fuel pump requires dropping the tank or removing an access panel, which takes 2 to 4 hours. At an average shop rate of $100 to $150 per hour, labor can add $200 to $600 to the total bill.
How to Extend the Life of Your Fuel Pump
Preventive maintenance is the best way to avoid a premature fuel pump failure. Here are practical tips to help your 2006 Buick Lucerne fuel pump last longer:
- Keep your fuel tank above a quarter full. This is the single most important thing you can do. The fuel pump relies on the fuel in the tank to cool and lubricate it. Running the tank low frequently can cause the pump to overheat and wear out faster .
- Replace the fuel filter regularly. The fuel filter catches dirt and debris. A clogged filter forces the pump to work harder, increasing the risk of failure. On most vehicles, the fuel filter should be replaced every 30,000 miles or every 2 years .
- Use quality fuel. Buy gas from reputable stations. Contaminated fuel can damage the pump's internal components. Low-quality fuel can leave deposits that reduce the pump's lifespan .
- Listen for unusual noises. If you hear a whining sound from the rear of the car, have the fuel system inspected immediately. Early detection can save you from a complete breakdown .
- Consider preventive replacement. If your car has over 100,000 miles and you are keeping it for the long term, replacing the fuel pump as a preventive measure is a smart move. This is especially true if the pump is difficult to access, as the labor cost is the same whether you replace it now or later .
Why You Should Choose a KEMSO Fuel Pump for Your Replacement
When it is time to replace the fuel pump on your 2006 Buick Lucerne, choosing the right brand makes all the difference. KEMSO fuel pumps are designed as high-performance, OEM replacement units. This means they are built to match or exceed the original equipment specifications for flow rate and pressure, ensuring your engine gets the precise fuel delivery it needs for optimal power and efficiency .
What sets KEMSO apart is their commitment to quality and durability. Unlike cheap aftermarket alternatives that may fail prematurely, KEMSO uses durable materials and advanced engineering to withstand the demands of daily driving. Every KEMSO fuel pump comes with a lifetime warranty, so you only have to buy it once. They stand behind their product for as long as you own your vehicle .
KEMSO fuel pumps are direct-fit replacements, meaning they install easily without the need for modifications or custom brackets. Whether you drive a 2006 Buick Lucerne, a Cadillac DTS, or another vehicle, KEMSO has a pump engineered to fit your application perfectly. Their pumps are also priced competitively, offering exceptional value for a lifetime-guaranteed part .
Visit the KEMSO official website to find the exact fuel pump for your 2006 Buick Lucerne and get back on the road with confidence: https://www.kemsoracing.com/.
Final Thoughts
The fuel pump in your 2006 Buick Lucerne is a hardworking component that can last 100,000 to 150,000 miles with proper care. However, if you experience symptoms like hard starting, sputtering, or a whining noise from the tank, do not wait. A failing fuel pump can leave you stranded and cause additional engine damage. The replacement cost is manageable, typically between $150 and $200 for parts and labor, depending on your location. Plan to replace the entire fuel pump module assembly, including the strainer and sending unit, to ensure a complete and reliable repair. For the best value and reliability, choose a high-quality aftermarket pump like KEMSO, which offers a lifetime warranty and OEM-level performance. For more information and to find the right fuel pump for your 2006 Buick Lucerne, visit https://www.kemsoracing.com/ today.