AUTOLIGHTS-STORE AT135845S01 Mechanical Fuel Pump 409 348 267

( Brand: Autolights-store ), ( Type: Fuel Pump ), ( Fuel Type: Gasoline ), ( Drive Type: Mechanical ), ( Placement On Vehicle: Engine Compartment ), ( Items Included: Mounting Hardware ), ( Voltage: 12 V ), ( Manufacturer Warranty: 5 Years ), ( In Tank Or External: External ), ( Outlet Type: Threaded ), ( Pressure: 7-8.5 Psi ), ( Universal Fitment: No ), ( Oe/oem Part Number: M4891 ), ( Manufacturer Part Number: AT135845S01 )

Review AUTOLIGHTS STORE Mechanical Fuel Pump Chevrolet 409 348 267 New fits 327 400 307 305 283 302 350

Introducing the Autolights Store AT135845S01 Mechanical Fuel Pump, specifically designed for various Chevrolet engines including 327, 409, 400, 348, 307, 305, 283, 267, 302, and 350. This high-performance mechanical fuel pump is an essential upgrade for your classic or muscle Chevrolet vehicle.

The Autolights Store AT135845S01 Mechanical Fuel Pump is engineered to deliver consistent and reliable fuel flow to your engine. It is constructed using top-quality materials, including a durable cast aluminum housing, to ensure long-lasting performance. The pump features a robust design with a large, 3/4-inch suction inlet and a 5/16-inch delivery outlet, capable of handling the demands of high-performance applications.

This mechanical fuel pump operates using the engine vacuum to create suction, eliminating the need for an electric fuel pump. This design offers several advantages, including improved reliability, reduced electrical load, and a more authentic driving experience. The AT135845S01 is also compatible with carbureted and fuel-injected applications, making it a versatile choice for Chevrolet enthusiasts.

Installation of the Autolights Store AT135845S01 Mechanical Fuel Pump is straightforward and can typically be completed in a few hours. It is designed to directly replace the original equipment manufacturer (OEM) fuel pump, ensuring a seamless fit and easy integration into your vehicle. The kit includes all necessary hardware, including mounting brackets and gaskets, for a hassle-free installation process.

In summary, the Autolights Store AT135845S01 Mechanical Fuel Pump is a top-quality, reliable, and versatile upgrade for your classic or muscle Chevrolet vehicle. Its durable construction, large fuel inlet and outlet, and compatibility with various engine configurations make it an excellent choice for enhancing your vehicle's performance and driving experience.

Considerations Before Buying an Autolite Mechanical Fuel Pump for Chevrolet Engines

1. Compatibility: The Autolite Store at135845s01 mechanical fuel pump is designed to fit various Chevrolet engines, including 327, 409, 400, 348, 307, 305, 283, 267, 302, and 350. This broad compatibility makes it an attractive option for those with older Chevrolet models.

Pro: Wide compatibility with several Chevrolet engine types.

2. Durability: Mechanical fuel pumps, unlike their electric counterparts, are known for their durability and reliability. They operate without the need for electronic components, making them less prone to failure due to electrical issues.

Pro: Increased reliability and durability compared to electric fuel pumps.

3. Performance: Mechanical fuel pumps do not have the ability to adjust fuel pressure, which can impact the performance of certain applications. They deliver a consistent fuel pressure, which may not be suitable for high-performance applications that require variable fuel pressure.

Cons: Limited ability to provide variable fuel pressure for high-performance applications.

4. Installation: Installing a mechanical fuel pump might require more effort and time than an electric fuel pump due to the need for proper adjustment and priming. This can be a potential disadvantage for those who are not mechanically inclined or lack the necessary tools and knowledge.

Cons: More time and effort required for installation compared to electric fuel pumps.

5. Cost: While the upfront cost of a mechanical fuel pump might be lower than an electric fuel pump, the potential need for additional accessories or modifications (like fuel pressure regulators or priming systems) to ensure proper operation could increase the overall cost.

Cons: Potential for additional expenses to ensure proper operation.

The Autolite Store at135845s01 mechanical fuel pump is a reliable and durable option for those with older Chevrolet engines, thanks to its wide compatibility and mechanical design. However, its limited ability to provide variable fuel pressure and the potential for additional expenses during installation may not make it the best choice for high-performance applications or those looking for a more straightforward installation process.

If you own a classic or older Chevrolet engine and are looking for a reliable and durable fuel pump option, the Autolite Store at135845s01 mechanical fuel pump is an excellent choice. However, if you require variable fuel pressure or a more straightforward installation process, you may want to consider an electric fuel pump instead. Always ensure that you have the proper tools, knowledge, and accessories to ensure a successful installation.

Details:

New List Item. Utilizing a high quality turbo pump as motor for optimal power and fuel pressure, thereby expediting itemization speeding up startup. 1.Difficulty Starting as a critical component in the fuel delivery system, bad pump can cause engine to fail and hard start. Adopting injection molding technology to strengthen plastic components of fuel pump assembly for improving the efficiency and stability delivery.

2.Sputtering engine at high-speed driving this is common for failing fuel pump due to failure of delivering a smooth flow. When other signs are ignored, unable to start the engine entirely is not impossible. Step 1:Disconnect the fuel tank hose from unit and plug with a bolt to keep flowing out, 2:Remove outlet line carburetor, 3:Use necessary tools such as wrench remove pump fitting nut, 4:Remove attaching bolts unit, 5:Clean old gasket material engines mounting surface. 4.Decreased fuel efficiency if you can notice the engine is consuming more than usual, this might be a sign of damaged pump.

Ways to remove the fuel pump. 3.Losing power when accelerating means more fuel consumption. Signs that your fuel pump is failing. 5.Engine won't start complete component failure.

Mechanical Fuel Pump For Chevrolet 327 409 400 348 307 305 283 267 302 350 New Features. Each fuel pump undergoes rigorous assessment to ensure quiet operation, unmatched performance, and long-lasting durability. Thus, pulling a large volume of fuel from failing pump can cause operational disturbance. The unit might not be sending the correct amount of fuel.

specifications pumpunite:

• for models: 327, 400, 307, 305, 283, 302, 350
• for makes: Chevrolet
• brand: Autolights-store
• type: Fuel Pump
• fuel type: Gasoline
• drive type: Mechanical
• placement on vehicle: Engine Compartment
• items included: Mounting Hardware
• voltage: 12 V
• manufacturer warranty: 5 Years
• in tank or external: External
• outlet type: Threaded
• pressure: 7-8.5 Psi
• universal fitment: No
• oe/oem part number: M4891
• manufacturer part number: AT135845S01

payments pumpunite:

• other
• wallet: Paypal
• credit card: Visa

offer pumpunite:

• sold: 0
• options: Ship-to-home
• started: April 13, 2026
• best offers: True
• availability: In Stock

general pumpunite:

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

seller pumpunite:

• rating: 99.8%
• # reviews: 2133
• city: Ontario, California

shipping pumpunite:

• transit: 3-8 Days
• service: FedEx Ground Economy
• type: Fixed
• carrier: FedEx
• cost: $0.00
• class: Economy

returns pumpunite:

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

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