APP-AUTOPARTS APP135845S01 Mechanical Fuel Pump 409 348 267

( 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 ), ( In Tank Or External: External ), ( Outlet Type: Threaded ), ( Pressure: 7-8.5 Psi ), ( Vintage Part: No ), ( Oe/oem Part Number: M4891 ), ( Manufacturer Part Number: APP135845S01 )

Review APP AUTOPARTS Mechanical Fuel Pump Chevrolet 409 348 267 fits 327 400 307 305 283 302 350

Introducing the App-Autoparts App135845S01 Mechanical Fuel Pump, an essential component designed specifically for Chevrolet engines with model numbers 327, 409, 400, 348, 307, 305, 283, 267, 302, and 350. This mechanical fuel pump is a direct replacement for the original part, ensuring optimal performance and reliability for your classic Chevrolet vehicle.

Manufactured with high-quality materials, this fuel pump is built to withstand the rigors of regular use and the test of time. The pump housing is made of durable cast aluminum, while the impeller is constructed from heavy-duty, corrosion-resistant materials. The internal components are precision machined for a perfect fit and smooth operation.

The App135845S01 Mechanical Fuel Pump features a classic design, with a traditional mechanical fuel pump mechanism. This design eliminates the need for electrical components, making it an ideal choice for classic cars and trucks that don't require the added complexity of an electric fuel pump. The pump is also compatible with various fuel systems, including carbureted and early fuel injection systems.

Installation of this fuel pump is straightforward and can be completed in a relatively short amount of time. The pump comes with all necessary hardware, including mounting brackets and gaskets, making it a true plug-and-play solution. The pump is also backed by a one-year warranty against defects in materials and workmanship, ensuring peace of mind for the customer.

In summary, the App-Autoparts App135845S01 Mechanical Fuel Pump is a top-quality replacement for the mechanical fuel pump on Chevrolet engines with the specified model numbers. With its durable construction, traditional design, and easy installation process, this fuel pump is an excellent choice for those seeking to maintain the authenticity and reliability of their classic Chevrolet vehicle.

Buying an aftermarket mechanical fuel pump, such as the AP Freightliner AP135845S01, for a Chevrolet engine with models 327, 409, 400, 348, 307, 305, 283, 267, 302, and 350, comes with both advantages and disadvantages.

1. Cost-effective: Aftermarket parts are typically less expensive than original equipment manufacturer (OEM) parts. This can save you a significant amount of money.

2. Availability: Aftermarket parts are widely available, and you can often find them at local auto parts stores or online.

3. Performance: Many aftermarket fuel pumps offer improved performance over OEM pumps, delivering more fuel to the engine for better acceleration and power.

4. Customization: Aftermarket fuel pumps may offer additional features, such as adjustable flow rates or electric fuel pressure regulators, that may not be available with OEM pumps.

5. Easy installation: Mechanical fuel pumps are generally easier to install than their electric counterparts, making them a good choice for DIY projects.

1. Quality concerns: Aftermarket parts may not be of the same quality as OEM parts. Some may not fit properly or may fail sooner than OEM parts.

2. Warranty: Aftermarket parts may not come with the same warranty coverage as OEM parts. This means you may be responsible for any repairs or replacements if the part fails.

3. Compatibility: It's important to ensure that the aftermarket fuel pump is compatible with your specific engine model and year. Incorrect installation can lead to engine damage.

4. Potential for leaks: Mechanical fuel pumps have more moving parts than electric fuel pumps, which can increase the risk of leaks.

5. Lack of standardization: Aftermarket fuel pumps may not have a standardized design, making it difficult to compare different options and choose the best one for your needs.

In conclusion, buying an aftermarket mechanical fuel pump, such as the AP Freightliner AP135845S01, for a Chevrolet engine with models 327, 409, 400, 348, 307, 305, 283, 267, 302, and 350, can offer cost savings and improved performance. However, it's important to consider the potential downsides, such as quality concerns, lack of warranty coverage, and compatibility issues.

If you decide to purchase an aftermarket mechanical fuel pump, make sure to do your research and choose a reputable brand with good customer reviews. Look for a pump that is specifically designed for your engine model and year, and ensure that it comes with clear installation instructions. Finally, consider purchasing a high-quality fuel filter to help ensure the longevity of the pump.

Details:

Build up pressure in the line by turning key to open and closed positions. Mechanical Fuel Pump for Chevrolet 327 409 400 348 307 305 283 267 302 350. Perform this task at least three times. Use a flashlight to quickly check the bottom of tank.

Place and reconnect the fuel hose drain line, electrical connectors. The images shown are not the actual item and for your reference only. If there are debris floating at the bottom of tank, tank should be cleaned before replacing with a new pump. 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.

Try starting the vehicle and check for leaks around fuel tank area. Disconnect the electrical connector from fuel module and remove lines, including hose drain device. Clean the tank before replacing new pump, start insert module into and use lock ring tool to secure install in place. Cut off the rubber to expose fuel pump access panel, take socket wrench and loosen all bolts around panel module flange.

First remove the negative battery cable and loosen oil cap box. New List Item. Next reconnect the negative battery cable and tighten gas cap. Lock the ring tool and loosen locking on flange remove old module assembly from tank.

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, In Tank or External: External, Outlet Quantity: 1,: Threaded, Pressure: 7-8.5 psi, Brand: App-autoparts, Vintage Car Part: No, Performance OE/OEM Number: M4891,: APP135845S01, Universal Fitment: No. 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.

part #: app135845s01 price

• $33.98

specifications pumpunite:

• for models: 327, 400, 307, 305, 283, 302, 350
• for makes: Chevrolet
• 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
• in tank or external: External
• outlet type: Threaded
• pressure: 7-8.5 Psi
• vintage part: No
• oe/oem part number: M4891
• manufacturer part number: APP135845S01

seller pumpunite:

• # reviews: 22696
• rating: 99.6%
• city: Ontario, California

returns pumpunite:

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

shipping pumpunite:

• transit: 4-9 Days
• type: Fixed
• class: Economy
• service: FedEx Ground Economy
• cost: $0.00
• carrier: FedEx

general pumpunite:

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

payments pumpunite:

• other
• credit card: Diners-club
• wallet: Apple-pay

offer pumpunite:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: February 16, 2026
• quantity: 5
• best offers: True

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