GMB C700 Fuel Pump Module Gn 79-56 5.3L

( Brand: Gmb ), ( Type: Fuel Pump Module Assembly ), ( Manufacturer Part Number: SX-ESZE 2003 2002 2001 2000 1999 AIR ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C700 79-56 ), ( Placement On Vehicle: Air Fuel Delivery Fuel Pumps ), ( Compatible Model: Silverado 2500 ), ( Compatible Year: 2003 2002 2001 2000 1999 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gmb Fuel Pump Module Assembly )

Review GMB 79-56 Fuel Pump Module Assembly Chevrolet 5.3l Gn fits SILVERADO 2500 1999–2003

The GMB C700 79-56 Fuel Pump Module is a crucial component for the 1999-2003 Chevrolet Silverado 2500 with a 5.3L GN engine. This fuel pump module, manufactured by GMB, is designed to deliver an optimal fuel supply to the engine for smooth and efficient performance.

The GMB C700 79-56 Fuel Pump Module is an electric fuel pump assembly that includes the fuel pump, an in-tank fuel pressure regulator, and related wiring. The fuel pump is responsible for drawing fuel from the tank and delivering it to the engine at the required pressure. The in-tank fuel pressure regulator maintains the fuel pressure at the appropriate level to ensure proper engine operation.

This fuel pump module is engineered to replace the original equipment manufacturer (OEM) part and offers several advantages over the stock component. It features a heavy-duty construction that can handle the demands of high-performance applications and heavy-duty use. The module is also designed to be more resilient to the effects of water contamination, which is a common issue in vehicles with in-tank fuel pumps.

The GMB C700 79-56 Fuel Pump Module is easy to install and comes with all necessary hardware, including mounting brackets, gaskets, and wiring harness. The installation process is similar to the OEM part, ensuring that the replacement is a straightforward process for most DIY enthusiasts. The module also includes a wiring harness that is plug-and-play, making it simple to connect to the vehicle's electrical system.

In summary, the GMB C700 79-56 Fuel Pump Module is a high-quality and reliable replacement for the original fuel pump module in 1999-2003 Chevrolet Silverado 2500 with a 5.3L GN engine. It offers improved durability, better resistance to contamination, and easy installation, making it an excellent choice for those seeking to enhance their vehicle's performance and reliability.

The GMB C700 79-56 fuel pump module is a potential solution for the fuel pump issue in 1999-2003 Chevrolet Silverado 2500 5.3L trucks. Here are some pros and cons to help you make an informed decision:

1. OEM-style replacement: This aftermarket fuel pump module is designed to be a direct replacement for the failing factory unit.

2. Improved performance: Some customers report improved fuel delivery and smoother engine performance after installing this fuel pump module.

3. Cost-effective: Compared to an OEM replacement, the GMB C700 79-56 fuel pump module is often less expensive.

4. Easy installation: The fuel pump module is typically easy to install, with some customers reporting they completed the job in under an hour.

5. Reliable: GMB is a reputable brand, and many customers have had success with their products, including this fuel pump module.

1. Potential compatibility issues: Some customers have reported compatibility issues with this fuel pump module, such as the need for an additional relay or wiring harness.

2. Lack of warranty: GMB does not offer a warranty on this specific fuel pump module, which may be a concern for some customers.

3. Potential for noise: Some customers have reported that the new fuel pump module makes a slightly louder noise than the original, although this is generally considered a minor issue.

4. May not resolve all fuel pump issues: In some cases, the fuel pump issue may be caused by other factors, such as a clogged fuel filter or a faulty fuel pressure regulator.

The GMB C700 79-56 fuel pump module for 1999-2003 Chevrolet Silverado 2500 5.3L trucks can be a cost-effective and reliable solution for a failing fuel pump. However, it's essential to be aware of the potential compatibility issues and the lack of a warranty. Additionally, it's important to ensure that the fuel pump issue is indeed caused by the fuel pump module and not by another component.

If you're experiencing fuel pump issues with your 1999-2003 Chevrolet Silverado 2500 5.3L truck, it's recommended that you first diagnose the issue to ensure that the fuel pump module is indeed the culprit. Once you've confirmed that, the GMB C700 79-56 fuel pump module can be a cost-effective and reliable solution. However, be sure to check for any potential compatibility issues before making the purchase.

Details:

GMB Fuel Pump Module Assembly for 1999 - 2003 Chevrolet Silverado 2500 5.3L gn: Status: In Stock.

specifications pumpunite:

• for models: 2500, Silverado
• for makes: Chevrolet
• for years: 1999-2003
• brand: Gmb
• type: Fuel Pump Module Assembly
• manufacturer part number: SX-ESZE 2003 2002 2001 2000 1999 AIR
• manufacturer warranty: 1 Year
• interchange part number: C700 79-56
• placement on vehicle: Air Fuel Delivery Fuel Pumps
• compatible model: Silverado 2500
• compatible year: 2003 2002 2001 2000 1999
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gmb Fuel Pump Module Assembly

offer pumpunite:

• options: Ship-to-home
• started: October 13, 2025
• quantity: 1
• availability: In Stock
• sold: 0

general pumpunite:

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

shipping pumpunite:

• cost: $0.00
• type: Fixed
• class: Standard, Expedited
• service: Standard, Expedited
• transit: 3-5 Days

returns pumpunite:

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

seller pumpunite:

• city: Indianapolis, Indiana
• rating: 99.0%
• # reviews: 579479

payments pumpunite:

• credit card: Discover
• wallet: Paypal
• other

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