APP-AUTOPARTS APP135840S01 Mechanical Fuel Pump

( Brand: App-autoparts ), ( Type: Fuel Pump ), ( Fuel Type: Gasoline ), ( Drive Type: Mechanical ), ( Placement On Vehicle: Engine Compartment ), ( Items Included: Mounting Hardware ), ( Voltage: 12 V ), ( Manufacturer Warranty: 1 Year ), ( Flow Rate: 40 Gph ), ( In Tank Or External: External ), ( Outlet Type: Threaded ), ( Pressure: 5.5-7 Psi ), ( Vintage Part: No ), ( Oe/oem Part Number: M4685 ), ( Manufacturer Part Number: APP135840S01 )

Review APP AUTOPARTS Mechanical Fuel Pump Buick Chevrolet Gmc fits CENTURY LESABRE IMPALA MALIBU

Introducing the App-Autos Parts App135840S01 Mechanical Fuel Pump, an essential component for maintaining the fuel system in your Buick Century, Lesabre, Chevrolet Impala, Malibu, or GMC vehicle. This mechanical fuel pump is meticulously engineered to deliver reliable and consistent performance, ensuring a smooth driving experience.

The App135840S01 Mechanical Fuel Pump is a direct OEM replacement, meaning it is an exact match to the original equipment that came with your vehicle. This pump features a robust design, with a durable cast aluminum housing that protects against corrosion and wear. The impeller is made of high-quality materials, ensuring optimal fuel flow and pressure, while the mechanical design provides reliable operation even in harsh conditions.

This fuel pump is easy to install, with no need for complex wiring or electrical connections. It comes complete with all necessary hardware, including mounting brackets and gaskets, making the installation process straightforward and hassle-free. And because it is a direct fit, there is no need for any modifications or adapters.

The App135840S01 Mechanical Fuel Pump is designed to meet or exceed the original equipment manufacturer's specifications, ensuring optimal performance and fuel efficiency. It is also backed by a comprehensive warranty, providing peace of mind and protection against any manufacturing defects.

In summary, the App-Autos Parts App135840S01 Mechanical Fuel Pump is a high-quality, reliable, and easy-to-install replacement component for your Buick Century, Lesabre, Chevrolet Impala, Malibu, or GMC vehicle. It is a direct OEM replacement, featuring a robust design, easy installation, optimal performance, and a comprehensive warranty. trust this product will meet your expectation and enhance the overall performance of your vehicle.

Buying the (app-autoparts app135840s01) mechanical fuel pump for Buick Century, Lesabre, Chevrolet Impala, Malibu, and GMC vehicles has its own set of advantages and disadvantages. Let's examine each in detail:

1. OEM Equivalence: This fuel pump is an OEM (Original Equipment Manufacturer) equivalent, which ensures that it is a perfect fit and functions identically to the original part.

2. High-Quality Construction: It is constructed from high-quality materials, providing durability and reliability.

3. Improved Fuel Economy: A new fuel pump can lead to improved fuel economy as it delivers fuel more efficiently.

4. Smooth Engine Performance: A faulty fuel pump can lead to rough engine performance. Replacing it with this new pump can result in smoother engine operation.

5. Cost-Effective: This aftermarket fuel pump is often more affordable compared to purchasing a new OEM part from a dealership.

1. Installation Complexity: Installing a mechanical fuel pump can be a complex process, requiring specialized tools and technical expertise.

2. Potential for Cross-Compatibility Issues: Although marketed for multiple vehicle makes and models, there is a possibility of compatibility issues that may require additional research or adjustments during installation.

3. Lack of Warranty: Aftermarket parts, including this fuel pump, often do not come with the same level of warranty coverage as OEM parts.

The app-autoparts app135840s01 mechanical fuel pump offers several advantages, such as OEM equivalence, high-quality construction, improved fuel economy, and smooth engine performance. However, it also comes with some disadvantages, including installation complexity, potential cross-compatibility issues, and lack of warranty.

Based on the above analysis, if you have the necessary technical expertise and are comfortable with the installation process, this aftermarket fuel pump can be a cost-effective solution for replacing a faulty pump in your Buick Century, Lesabre, Chevrolet Impala, Malibu, or GMC vehicle. However, if you prefer the peace of mind that comes with an OEM part and warranty coverage, you may want to consider purchasing that option from a dealership. Ultimately, the decision depends on your personal preferences, technical abilities, and budget.

Details:

If there are debris floating at the bottom of tank, tank should be cleaned before replacing with a new pump. Item Specifics: Type: Fuel Pump, Fuel: Gasoline, Drive: Mechanical, Placement on Vehicle: Engine Compartment, Items Included: Mounting Hardware, voltage : 12 V, Manufacturer Warranty: 1 Year, Flow Rate: 40 gph, In Tank or External: External, Outlet Quantity: 1,: Threaded, Pressure: 5.5-7 psi, Brand: App-autoparts, Vintage Car Part: No, Performance OE/OEM Number: M4685,: APP135840S01, Universal Fitment: No. Perform this task at least three times. Mechanical Fuel Pump for Buick Century LeSabre Chevrolet Impala Malibu GMC.

Use a flashlight to quickly check the bottom of tank. Lock the ring tool and loosen locking on flange remove old module assembly from tank. If there are no leaks place the access panel on module flange and tighten bolts with a socket wrench according to manufacturers specifications, put rubber back into port reinstall rear seats. Try starting the vehicle and check for leaks around fuel tank area.

Cut off the rubber to expose fuel pump access panel, take socket wrench and loosen all bolts around panel module flange. Disconnect the electrical connector from fuel module and remove lines, including hose drain device. New List Item. Safety glasses A fire extinguisher Gloves Brush Air Compressor Locking Ring Tool Rag Knife Socket Wrench Flashlight Removing and Installing a Fuel Pump on Your Car 1.

First remove the negative battery cable and loosen oil cap box. The images shown are not the actual item and for your reference only. Build up pressure in the line by turning key to open and closed positions. Clean the tank before replacing new pump, start insert module into and use lock ring tool to secure install in place.

Next reconnect the negative battery cable and tighten gas cap. Place and reconnect the fuel hose drain line, electrical connectors.

part #: app135840s01 price

• $24.98

specifications pumpunite:

• for models: Century, Lesabre, Impala, Malibu
• for makes: Buick, Chevrolet, Gmc
• brand: App-autoparts
• type: Fuel Pump
• fuel type: Gasoline
• drive type: Mechanical
• placement on vehicle: Engine Compartment
• items included: Mounting Hardware
• voltage: 12 V
• manufacturer warranty: 1 Year
• flow rate: 40 Gph
• in tank or external: External
• outlet type: Threaded
• pressure: 5.5-7 Psi
• vintage part: No
• oe/oem part number: M4685
• manufacturer part number: APP135840S01

general pumpunite:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units

payments pumpunite:

• wallet: Paypal
• other
• credit card: Diners-club

returns pumpunite:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

shipping pumpunite:

• carrier: FedEx
• service: FedEx Ground Economy
• type: Fixed
• cost: $0.00
• class: Economy
• transit: 5-10 Days

offer pumpunite:

• sold: 0
• availability: In Stock
• quantity: 1
• best offers: True
• started: January 16, 2026
• options: Ship-to-home

seller pumpunite:

• rating: 99.7%
• # reviews: 22601
• city: Ontario, California

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