APP AUTOPARTS AP163603P01 Mechanical Fuel Pump 6440868 SP1008MP

( Brand: App Autoparts ), ( Drive Type: Mechanical ), ( Fuel Type: Gas ), ( Type: Big Block ), ( For: Chevy Gmc ), ( Inlet And Outlet Size: 3/8 ), ( Inlet Type: Threaded ), ( Oe/oem Part Number: M6628, Sp1008mp, 40963 ), ( Ipn: 6440868 ), ( Placement On Vehicle: On The Engine ), ( Gasket Included: Yes ), ( Package Included: 1pc Mechanical Fuel Pump ), ( Color: Silver ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: 1 Year ), ( Mounting Hardware Included: No ), ( Manufacturer Part Number: AP163603P01 )

Review APP AUTOPARTS Mechanical Fuel Pump Chevy Pickup fits SUBURBAN C20 C30 1972–1986

Introducing the AP163603P01 Mechanical Fuel Pump, an essential component for the smooth operation of your 1972-1986 Chevy C20, C30 Suburban, and Sp1008MP vehicles. This mechanical fuel pump is engineered to deliver reliable fuel pressure to the carburetor or fuel injection system.

The AP163603P01 is a high-quality replacement part designed to fit and function identically to your original equipment. It features a robust construction with a durable cast aluminum housing, ensuring longevity and resistance to corrosion. The pump's impeller is precisely machined to deliver consistent fuel flow, while the mechanical design ensures reliable operation even in challenging conditions.

This mechanical fuel pump operates on a simple principle: suction and pressure. The pump creates a vacuum to draw fuel from the tank, then uses the engine's intake manifold pressure to force the fuel through the lines to the carburetor or fuel injection system. The result is a steady, even fuel supply, which contributes to optimal engine performance and fuel efficiency.

The AP163603P01 comes complete with all necessary hardware for a straightforward installation process. It includes a gasket and mounting bracket to ensure a secure, leak-free fit. The pump's design is also compatible with both electric and manual vacuum fuel pump systems, making it a versatile choice for various applications.

In summary, the AP163603P01 Mechanical Fuel Pump is an essential upgrade for your 1972-1986 Chevy C20, C30 Suburban, and Sp1008MP. Its robust construction, reliable operation, and straightforward installation process make it an ideal choice for those seeking to restore their classic vehicles to their former glory or maintain their daily drivers with confidence.

The AP163603P01 mechanical fuel pump is a suitable option for 1972-1986 Chevy C20, C30 Suburban, and SP1008MP models. Here are the pros and cons of purchasing this fuel pump.

1. Durability: Mechanical fuel pumps are known for their longevity and reliability. Since they have fewer moving parts than electric fuel pumps, they are less prone to failure.

2. Cost-effective: Mechanical fuel pumps are generally more affordable than their electric counterparts.

3. Easy installation: They do not require any complicated wiring or electrical connections, making the installation process relatively straightforward.

1. Performance: Mechanical fuel pumps may not deliver the same level of fuel flow as electric fuel pumps. This could potentially impact performance, especially under heavy load conditions.

2. Noise: Mechanical fuel pumps can generate more noise compared to electric fuel pumps due to the moving parts.

3. Fuel system design: Some older vehicles may have fuel system designs that are not compatible with mechanical fuel pumps. In such cases, an electric fuel pump may be the better choice.

In conclusion, the AP163603P01 mechanical fuel pump is a reliable and cost-effective solution for 1972-1986 Chevy C20, C30 Suburban, and SP1008MP models. However, it may not provide the same level of fuel flow as electric fuel pumps, and some older vehicles may not be compatible with this type of fuel pump. Ultimately, the decision to purchase a mechanical fuel pump depends on the individual vehicle's requirements, the owner's preference, and their budget.

Based on the analysis above, I would recommend considering the AP163603P01 mechanical fuel pump as a viable option for Chevy C20, C30 Suburban, and SP1008MP models, especially for those who prioritize durability, ease of installation, and cost-effectiveness. However, it is essential to ensure the vehicle's fuel system is compatible with a mechanical fuel pump before making a purchase.

Details:

Next reconnect the negative battery cable and tighten gas cap. Mechanical Fuel Pump for 1972-1986 Chevy C20 C30 Suburban Pickup SP1008MP 40963. New List Item. If there are debris floating at the bottom of tank, tank should be cleaned before replacing with a new pump.

The images shown are not the actual item and for your reference only. 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 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. Use a flashlight to quickly check the bottom of tank.

Perform this task at least three times. Disconnect the electrical connector from fuel module and remove lines, including hose drain device. Lock the ring tool and loosen locking on flange remove old module assembly from tank. First remove the negative battery cable and loosen oil cap box.

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

Build up pressure in the line by turning key to open and closed positions.

part #: ap163603p01 price

• $74.98

specifications pumpunite:

• for models: C20, C30, Suburban
• for makes: Chevy
• for years: 1972-1986
• brand: App Autoparts
• drive type: Mechanical
• fuel type: Gas
• type: Big Block
• for: Chevy Gmc
• inlet and outlet size: 3/8
• inlet type: Threaded
• oe/oem part number: M6628, Sp1008mp, 40963
• interchange part number: 6440868
• placement on vehicle: On The Engine
• gasket included: Yes
• package included: 1pc Mechanical Fuel Pump
• color: Silver
• fitment type: Direct Replacement
• manufacturer warranty: 1 Year
• mounting hardware included: No
• manufacturer part number: AP163603P01

returns pumpunite:

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

general pumpunite:

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

offer pumpunite:

• sold: 0
• best offers: True
• availability: In Stock
• options: Ship-to-home
• started: November 8, 2025
• quantity: 10

seller pumpunite:

• rating: 99.7%
• city: Ontario, California
• # reviews: 22328

payments pumpunite:

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

shipping pumpunite:

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

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