1. Fuel Injection Parts Deals
  2. sku: 7935690915363721
  3. DORMAN OE SOLUTIONS SX-3448

DORMAN OE SOLUTIONS SX-3448 Fuel Cooler Air Ov 6.6L V8

fits model: 2500, Sierra. make: Gmc. year: 2001–2010.

Sx-3448 Dorman - Oe Solutions Fuel Cooler For 2001-2010 Gmc Sierra 2500 Hd 6.6l V8 Air Delivery Ov

( Brand: Dorman Oe Solutions ), ( Type: Fuel Cooler ), ( Manufacturer Part Number: SX-3448 ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Ipn: C789 46-44 ), ( Item Height: 7.000 ), ( Item Length: 13.500 ), ( Item Weight: 5.8500 ), ( Item Width: 11.000 ), ( Placement On Vehicle: Air Fuel Delivery Fuel Injection System ), ( Compatible Model: Sierra 2500 Hd ), ( Compatible Year: 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Fuel Cooler )

Review DORMAN OE SOLUTIONS Fuel Cooler Gmc Hd 6.6l V8 Air Delivery Ov fits SIERRA 2500 2001–2010

The Dorman SX-3448 Fuel Cooler is an essential upgrade for 2001-2010 GMC Sierra 2500 and 6.6L V8 Air Oved models looking to enhance their engine cooling system's performance. This superior quality fuel cooler is specifically designed to fit and function optimally in these vehicles, ensuring a perfect replacement for the original equipment.

The SX-3448 Fuel Cooler is constructed from heavy-duty materials that provide superior durability and resistance to corrosion and heat. The outer shell is made of aluminum, a material known for its excellent heat dissipation properties. The core of the cooler is made of copper and brass, providing optimal heat exchange capabilities. The cooler's end tanks are made of cast iron, ensuring a robust and leak-free design.

This cooler features a unique serpentine design with multiple passages for fuel, which increases the cooling surface area and improves the cooler's efficiency. The cooler's inlet and outlet connections are designed to be a direct replacement for the factory cooler, making installation quick and easy. The cooling system's pressure and temperature are maintained through the cooler's O-ring sealed end tanks, ensuring a secure and reliable fit.

The Dorman SX-3448 Fuel Cooler is the ideal solution for those seeking to enhance their GMC Sierra 2500's performance and reliability. It is specifically engineered to meet or exceed OE specifications, ensuring a perfect fit and function. The cooler's robust design and superior cooling capabilities make it an excellent choice for those who demand the best from their vehicles. Whether you're towing heavy loads, driving in extreme temperatures, or simply seeking improved engine performance, the Dorman SX-3448 Fuel Cooler is the perfect upgrade for your 2001-2010 GMC Sierra 2500 with a 6.6L V8 Air Oved engine.

Dorman SX-3448 Fuel Cooler for 2001-2010 GMC Sierra 2500 6.6L V8: A Detailed Analysis

The Dorman SX-3448 fuel cooler is a popular aftermarket option for the 2001-2010 GMC Sierra 2500 6.6L V8 trucks. This cooler is designed to improve the performance and durability of the fuel system. In this analysis, we will discuss the pros and cons of purchasing this fuel cooler.

Pros:

1. Enhanced Fuel System Performance: The Dorman SX-3448 fuel cooler helps maintain a consistent fuel temperature, which results in improved fuel system performance. Cooler fuel reduces the risk of fuel vaporization and the formation of fuel droplets, leading to smoother engine operation.

2. Increased Engine Life: By cooling the fuel, the Dorman SX-3448 fuel cooler reduces the temperature stress on the engine, which can help increase the overall life of the engine.

3. Durability: The Dorman SX-3448 fuel cooler is constructed from robust materials, including aluminum and brass, ensuring it can withstand the harsh conditions of off-road use and heavy towing.

4. Easy Installation: The fuel cooler comes with all necessary hardware and instructions for an easy installation process. Most users report completing the installation in less than an hour.

Cons:

1. Additional Cost: The Dorman SX-3448 fuel cooler is an additional expense, which may not be within every budget. However, the potential performance and longevity benefits may outweigh the cost.

2. Requires Cooling System Modifications: Depending on the specific cooling system setup of the GMC Sierra 2500, some users may need to make additional modifications to accommodate the new fuel cooler. This could include the installation of a coolant bypass kit or the purchase of specific hoses.

3. Limited Warranty: The Dorman SX-3448 fuel cooler comes with a limited warranty that covers defects in materials or workmanship for one year from the date of purchase.

Conclusion:

The Dorman SX-3448 fuel cooler is an excellent investment for owners of 2001-2010 GMC Sierra 2500 6.6L V8 trucks who regularly engage in heavy towing or off-road use. The benefits of improved fuel system performance, increased engine life, and durability far outweigh the cons, which include additional cost and potential cooling system modifications. As with any aftermarket part, it is essential to ensure compatibility with the specific vehicle and to follow proper installation procedures.

Recommendation:

Based on the analysis of the pros and cons, we recommend the Dorman SX-3448 fuel cooler for 2001-2010 GMC Sierra 2500 6.6L V8 trucks that undergo heavy towing, off-road use, or extended periods of operation in extreme temperatures. This fuel cooler is a worthwhile investment for those seeking to enhance the performance and longevity of their vehicle's fuel system.

part # sx3448 prices

  • $29.06-$51.39

specifications injectiopug:

  • for models: 2500, Sierra
  • for makes: Gmc
  • for years: 2001-2010
  • brand: Dorman Oe Solutions
  • type: Fuel Cooler
  • manufacturer part number: SX-3448
  • manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
  • interchange part number: C789 46-44
  • item height: 7.000
  • item length: 13.500
  • item weight: 5.8500
  • item width: 11.000
  • placement on vehicle: Air Fuel Delivery Fuel Injection System
  • compatible model: Sierra 2500 Hd
  • compatible year: 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Dorman Fuel Cooler

seller injectiopug:

  • rating: 98.8%
  • # reviews: 566957

shipping injectiopug:

  • service: Standard, Expedited
  • cost: $0.00
  • class: Standard, Expedited
  • type: Fixed
  • transit: 2-6 Days

general injectiopug:

  • condition: New
  • Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

offer injectiopug:

  • options: Ship-to-home
  • quantity: 4
  • availability: In Stock
  • started: September 10, 2025
  • sold: 0

payments injectiopug:

  • wallet: Paypal
  • other
  • credit card: Discover

returns injectiopug:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: 2500, sierra, for makes: gmc, for years: 2001-2010, type: fuel cooler, manufacturer warranty: 1 year / 2 years / 3 years / 5 years depending on part, item height: 7.000, item length: 13.500, item weight: 5.8500, item width: 11.000, placement on vehicle: air fuel delivery fuel injection system, compatible model: sierra 2500 hd, compatible year: 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine dorman fuel cooler,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 7935690915363721,

Dorman Oe Solutions SX-3448 Is Similar To:

injectiopug logo
5 offers $29.06–$51.39 USD
  • Offer #1: $51.39 price + free delivery = $51.39* total.FREE SHIPPING
  • Offer #2: $29.06 price + free delivery = $29.06* total.FREE SHIPPING
  • Offer #3: $49.02 price + free delivery = $49.02* total.FREE SHIPPING
  • Offer #4: $24.26 price + free delivery = $24.26* total.FREE SHIPPING
  • Offer #5: $19.49 price + free delivery = $19.49* total.FREE SHIPPING