1. Used Automotive Fuel Pumps & Sending Units Offers
  2. sku: 11967685216268631
  3. IMCARPARTS IM163603RTS01

IMCARPARTS IM163603RTS01 Big Block Muscle Car Mechanical 402 Fuel Pump M6628

fits model: 396, 454. make: Chevy.

Im163603rts01 Imcarparts Big Block For Chevy 396 402 454 Muscle Car Series Mechanical Fuel Pump M6628 New

( Brand: Imcarparts ), ( Type: Mechanical ), ( Fuel Type: Gas ), ( Flow Rate: 30 ), ( Compatible Make: Chevy Gmc ), ( Inlet And Outlet Size: 3/8 ), ( Inlet Type: Threaded ), ( Oe/oem Part Number: 6440868, 6440963, 6470570, 6470761 ), ( In Tank Or External: External ), ( Gasket Included: Yes ), ( Package: One Fuel Pump ), ( Color: Silver ), ( Placement On Vehicle: On The Engine ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: IM163603RTS01 ), ( Mounting Hardware Included: No )

Review IMCARPARTS Big Block Chevy 402 Muscle Car Series Mechanical Fuel Pump New fits 396 454

IMCarParts IM163603RTS01 Mechanical Fuel Pump for Big Block Chevrolet 396, 402, and 454 Muscle Cars

Description:

The IMCarParts IM163603RTS01 mechanical fuel pump is a high-performance component designed specifically for big block Chevrolet engines with a displacement of 396, 402, and 454 cubic inches. This fuel pump is an excellent choice for muscle car enthusiasts seeking reliable and efficient fuel delivery to their powerful engines.

This mechanical fuel pump features a robust design with a durable cast aluminum housing that can withstand the demands of high-performance applications. The pump's impeller is made of hardened stainless steel, ensuring long-lasting performance and resistance to corrosion. The pump's shaft is made of heat-treated steel, ensuring strength and stability under heavy engine loads.

The IM163603RTS01 mechanical fuel pump comes with a 1/2 NPT inlet and outlet, making it easy to install and integrate with your fuel system. It also includes a 6-bolt mounting pattern, ensuring a secure installation on your engine. The pump's O-ring seal ensures a tight and leak-free connection, preventing fuel leaks and maintaining optimal engine performance.

This mechanical fuel pump is built to meet the demanding requirements of muscle car engines, offering superior flow rates and pressure capabilities compared to typical OEM fuel pumps. It can deliver fuel at a rate of up to 125 LPM (33 gallons per hour), ensuring your engine receives the fuel it needs to perform at its best.

The IMCarParts IM163603RTS01 mechanical fuel pump is an ideal upgrade for muscle car enthusiasts looking to improve their vehicle's fuel delivery system. It offers increased reliability, improved performance, and enhanced durability, making it a smart investment for anyone looking to get the most out of their big block Chevrolet engine.

Pros and Cons of Buying a Mechanical Fuel Pump (IMCARPARTS IM163603RTS01) for Chevy 396, 402, 454 Muscle Cars

Introduction:

This article aims to provide an unbiased analysis of the benefits and drawbacks of purchasing a IMCARPARTS IM163603RTS01 mechanical fuel pump for Chevy 396, 402, and 454 muscle cars.

Pros:

1. Durability: Mechanical fuel pumps, like the IMCARPARTS IM163603RTS01, are known for their robustness and reliability. Unlike electric fuel pumps, mechanical pumps do not rely on electrical components, making them less prone to failure due to electrical issues.

2. Simplicity: Mechanical pumps are relatively simple in design, making them easier to diagnose and repair. In comparison, electric fuel pumps have more complex wiring and electronic systems, which can make troubleshooting more challenging.

3. Compatibility: This specific model, IMCARPARTS IM163603RTS01, is designed to fit Chevy 396, 402, and 454 muscle cars. It is essential to ensure a proper fit to avoid potential complications or inefficiencies.

Cons:

1. Noise: Mechanical fuel pumps can generate more noise compared to electric fuel pumps due to their moving parts. This can be a concern for some car enthusiasts who prefer a quieter operating system.

2. Complexity of Installation: Installing a mechanical fuel pump can be more complex than installing an electric fuel pump. The process may require additional steps, such as bleeding the fuel system to remove air bubbles.

3. Limited Flexibility: Mechanical fuel pumps have a fixed flow rate, which may not be suitable for all applications. For instance, high-performance engines may require a higher fuel flow rate for optimal performance.

Conclusion:

The IMCARPARTS IM163603RTS01 mechanical fuel pump offers several advantages, such as durability, simplicity, and compatibility, for Chevy 396, 402, and 454 muscle cars. However, it also comes with disadvantages, including increased noise levels and a more complex installation process. Ultimately, the decision to purchase this mechanical fuel pump depends on personal preferences, budget constraints, and specific performance requirements.

Recommendation:

If you prioritize reliability, simplicity, and a cost-effective solution for your muscle car, the IMCARPARTS IM163603RTS01 mechanical fuel pump is an excellent choice. However, if you value a quieter operating system, greater flexibility, or ease of installation, you may want to consider an electric fuel pump instead. Always ensure that you choose the appropriate fuel pump for your specific muscle car application.

Details:

New List Item. This directly affects the engines starting performance, power output stability, and fuel economy. It is like the heart of fuel system, continuously circulating energy blood to engine. Fuel Pump Common Faults and Typical Manifestations, 1.Pump body wear / Motor burnout, 2.One-way valve failure, 3.Pressure regulator 4.Filter clogged.

Special model's: Hybrid vehicles still require fuel pump operation in mode, modified can choose high-flow pumps to increase power limit. Big Block For Chevy 396 402 454 Muscle Car Series Mechanical Fuel Pump M6628 New The fuel pump is the core power component of vehicles supply system.

specifications pumpunite:

  • for models: 396, 454
  • for makes: Chevy
  • brand: Imcarparts
  • type: Mechanical
  • fuel type: Gas
  • flow rate: 30
  • compatible make: Chevy Gmc
  • inlet and outlet size: 3/8
  • inlet type: Threaded
  • oe/oem part number: 6440868, 6440963, 6470570, 6470761
  • in tank or external: External
  • gasket included: Yes
  • package: One Fuel Pump
  • color: Silver
  • placement on vehicle: On The Engine
  • fitment type: Direct Replacement
  • manufacturer warranty: 1 Year
  • manufacturer part number: IM163603RTS01
  • mounting hardware included: No

seller pumpunite:

  • city: Ontario, California
  • rating: 98.9%
  • # reviews: 7161

general pumpunite:

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

offer pumpunite:

  • started: December 18, 2025
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

shipping pumpunite:

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

payments pumpunite:

  • wallet: Google-pay
  • other
  • credit card: Visa

returns pumpunite:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: 396, 454, for makes: chevy, type: mechanical, fuel type: gas, flow rate: 30, compatible make: chevy gmc, inlet and outlet size: 3/8, inlet type: threaded, oe/oem part number: 6440868, 6440963, 6470570, 6470761, in tank or external: external, gasket included: yes, package: one fuel pump, placement on vehicle: on the engine, fitment type: direct replacement, manufacturer warranty: 1 year, mounting hardware included: no,
category: auto parts > car truck parts accessories > air fuel delivery > fuel pumps sending units, color: silver, sku: 11967685216268631,

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