The typical total replacement price ranges from a few hundred dollars for parts to about a thousand dollars or more for parts plus labor, depending on the part type and where you shop. In most cases, expect a combined price around $260 to $1,150.
Replacing the fuel pump on a 2005 Buick LeSabre involves choosing between aftermarket and OEM parts, and whether you tackle the job yourself or have a shop perform it. The LeSabre’s pump is located in the fuel tank, under the rear seat, and access requires some disassembly. Prices vary by supplier, region, and warranty terms, so getting multiple quotes is wise.
Parts options and typical price ranges
Prices vary by whether you buy aftermarket parts, OEM-equivalent parts, or dealer-sourced items. Here are common options seen in the market (as of 2024–2025):
- Aftermarket fuel pump assembly (in-tank): typically $80–$250.
- OEM-equivalent/Delco replacement: typically $180–$350.
- Dealer-sourced GM original equipment: typically $350–$650.
Prices can differ based on brand, warranty, and whether the kit includes additional components such as the sending unit or fuel filter. Always confirm exact contents before purchasing.
Notes on part selection
Choosing between aftermarket, OEM-equivalent, and dealer parts can affect reliability and warranty terms. Aftermarket options are usually cheaper, but OEM-equivalent parts may offer closer factory specifications. Dealer parts tend to be the most expensive but come with GM-backed warranties.
Labor costs and total installation price
Labor costs depend on the shop’s rate, geographic location, and job difficulty. The LeSabre’s fuel pump replacement generally requires access through the rear compartment and may involve draining some fuel and re-sealing components after installation.
- Estimated labor time: 2–4 hours, depending on vehicle access and whether any ancillary work (like replacing the sending unit) is needed.
- Average shop labor rate: $90–$125 per hour (rates vary by region and shop).
- Estimated labor cost range: roughly $180–$500.
When you combine part costs with labor, total installed price can vary widely: aftermarket parts may yield about $260–$750, OEM-equivalent around $360–$850, and dealer-installed options can range from roughly $730–$1,150 or more depending on the exact parts and services included.
How to get the most accurate quote
To ensure you’re getting a fair price, gather quotes from multiple sources and specify whether the quote is for aftermarket or OEM parts, and whether it includes tax and any fluids or labor to test the system after installation. Provide your vehicle’s VIN and trim level to improve accuracy, and ask if the price covers a fuel pressure test after installation.
Bottom line and guidelines
For a 2005 Buick LeSabre, the fuel pump replacement cost hinges on part choice and labor rates. Part prices range from about $80 to $650, and labor adds roughly $180 to $500, bringing the total installed cost to approximately $260 to $1,150 or more depending on where you shop and which parts you pick. Always compare several quotes and confirm what's included in each estimate.
Summary
Replacing a fuel pump on a 2005 Buick LeSabre is a common maintenance item with price variability driven by part type, labor rates, and local market conditions. Expect a broad range from a few hundred dollars for a basic aftermarket part with modest labor to over a thousand dollars for OEM or dealer parts and comprehensive service. Plan ahead by obtaining multiple, detailed quotes and understanding what each one covers.
How much does it cost to replace a fuel pump on a Buick LeSabre?
The average cost for a Buick LeSabre Fuel Pump Replacement is between $740 and $898. Labor costs are estimated between $138 and $202 while parts are priced between $602 and $696.
What is the most common problem with Buick LeSabre?
Top Buick LeSabre Problems
- Engine Control Module (ECM) can fail.
- Hydro-Lock Due to Internal Coolant Leak From Intake Manifold.
- Front Struts May Wear at 75,000 Miles.
- Water Pump May Fail Prematurely.
- Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure.
- ABS light due to pressure modulator valve assembly failure.
What are the first signs of fuel pump failure?
Signs of a Bad Fuel Pump: What to Look For
- Your Car Won't Start.
- Your Vehicle has a Whining Noise.
- Your Car is Stalling.
- Your Vehicle's Performance is Lacking.
- Your Vehicle's Performance is Better than Expected.
- You're Experiencing Loss of Power, Especially when the Vehicle is Stressed.
- Decreased Fuel Efficiency.
How much does a fuel pump cost for a 2005 Buick LeSabre?
Competitive Prices and Extensive Inventory
The average price for a 2005 Buick LeSabre Fuel Pump at Advance Auto Parts is around $172.19, with a range that starts at $16.99 and goes up to $400.99. With 5 options in stock from 3 trusted brands, finding the right fit is easy.