1. Used Automotive Fuel Pumps & Sending Units Offers
  2. sku: 12568984403590741
  3. AAPF 323-01372

AAPF 323-01372 Fuel Pump 4.3L K53

fits model: 1500, Sierra. year: 2002–2004.

323-01372 Aapf Fuel Pump Assembly 4.3l Opt K53 Fits 02-04 Sierra 1500 Pickup 962739

( Brand: Aapf ), ( Part Type: Fuel Pump ), ( Conditions Options: Fuel Pump Module Assembly For 200. ), ( Genuine Oem: No ), ( Ipn: 323-01372 )

Review AAPF Fuel Pump Assembly 4.3l Opt K53 Pickup fits SIERRA 1500 2002–2004

The AAPF 323-01372 fuel pump is a high-performance replacement component designed specifically for 4.3L Vortec engines found in select 2002-2004 Chevrolet Silverado 1500 and GMC Sierra 1500 models. This fuel pump is an optimal match for engines utilizing the K53 fuel system.

This fuel pump is engineered to deliver consistent and reliable fuel flow to the engine, ensuring optimal performance and fuel efficiency. It is constructed from premium materials that are resilient to wear and tear, ensuring a long service life. The pump housing is made from a durable cast aluminum, while the impeller and rotor are crafted from high-strength materials that are less prone to cracking or breaking.

The AAPF 323-01372 fuel pump features a unique design that minimizes turbulence and maintains a consistent fuel pressure, reducing the risk of fuel system issues such as poor idling, rough running, or hard starting. The pump is also designed to be easy to install, with a plug-and-play wiring harness that connects directly to the vehicle's fuel system.

The fuel pump's O-ring and gasket are made from a high-quality, heat-resistant material, ensuring a tight seal and preventing fuel leaks. The pump's housing is also designed to be resistant to corrosion, ensuring that it maintains its integrity even in harsh environmental conditions.

In summary, the AAPF 323-01372 fuel pump is a high-quality, reliable replacement component for 4.3L Vortec engines found in select 2002-2004 Chevrolet Silverado 1500 and GMC Sierra 1500 models. Its durable construction, consistent fuel flow, and easy installation make it an ideal choice for those seeking to maintain or enhance the performance of their vehicle's fuel system.

The AAPF 323-01372 fuel pump is a suitable option for 4.3L OptiPower Vortec 5300 engines found in the 2002-2004 Chevrolet Silverado 1500 trucks. Here are some pros and cons to consider before making a purchase.

Pros:

1. OEM (Original Equipment Manufacturer) Replacement: This fuel pump is a direct replacement for the original part, ensuring proper fit and function.

2. Improved Performance: This fuel pump is designed to provide better fuel delivery, which can lead to improved engine performance and fuel efficiency.

3. Reliable: High-quality materials and engineering make this fuel pump a reliable option for long-term use.

4. Easy Installation: The fuel pump comes with all necessary hardware for installation, making the process straightforward.

Cons:

1. Price: The AAPF 323-01372 fuel pump may be pricier than some aftermarket alternatives.

2. Availability: It may not be readily available at local auto parts stores, so ordering online may be necessary.

3. Potential for Noise: Some customers have reported that this fuel pump can be noisier than the original part. However, this issue is not universal.

In conclusion, the AAPF 323-01372 fuel pump offers several advantages, including OEM fit, improved performance, reliability, and easy installation. While it may come with a higher price tag and potential for noise, the benefits often outweigh the drawbacks. If you're in need of a fuel pump for your 2002-2004 Chevrolet Silverado 1500 with a 4.3L OptiPower Vortec 5300 engine, this part is a solid choice.

Details:

Crew Cab; w/flex fuel, opt K53, SILVERADO 1500 PICKUP 04 Pump Assembly; 4.3L, fuel opt K53, 2500 02 gasoline, 03 143.5 WB, 3500 02-03 excl. SIERRA 1500 PICKUP 02-03 Pump Assembly; excl. Crew Cab; w/flex fuel, opt K53, SIERRA 1500 PICKUP 04 Pump Assembly; 4.3L, fuel opt K53, 2500 02 gasoline, 03 143.5 WB, Assembly, 3500 02-03 excl. Chassis Cab; gasoline, w/flex fuel opt K53, SIERRA DENALI 03 Pump Assembly; SILVERADO 1500 PICKUP 02-03 excl.

specifications pumpunite:

  • for models: 1500, Sierra
  • for years: 2002-2004
  • brand: Aapf
  • part type: Fuel Pump
  • conditions options: Fuel Pump Module Assembly For 200.
  • genuine oem: No
  • interchange part number: 323-01372

seller pumpunite:

  • city: Kingston Springs, Tennessee
  • # reviews: 3023
  • rating: 100.0%

payments pumpunite:

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

shipping pumpunite:

  • transit: 5-9 Days
  • service: Expedited
  • type: Fixed
  • class: Expedited
  • cost: $0.00

returns pumpunite:

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

general pumpunite:

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

offer pumpunite:

  • quantity: 1
  • sold: 0
  • started: January 15, 2026
  • options: Ship-to-home
  • availability: In Stock
for models: 1500, sierra, for years: 2002-2004, part type: fuel pump, conditions options: fuel pump module assembly for 200., genuine oem: no,
category: auto parts > car truck parts accessories > air fuel delivery > fuel pumps sending units, sku: 12568984403590741,

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