The CSF 01-05 Silverado H.D / Sierra H.D 6.6L Turbo Diesel Heavy Duty Intercooler represents a superior solution for enhancing the performance and reliability of your 2001-2005 6.6L Turbo Diesel Silverado or Sierra HD models. Engineered with precision and durability in mind, this intercooler is designed to meet the rigorous demands of heavy-duty applications, ensuring optimal cooling efficiency and consistent performance under extreme boost conditions.
Constructed with a heavy-duty bar & plate core and all-aluminium cast end tanks, the intercooler delivers exceptional strength and longevity. Each unit undergoes stringent pressure testing at 120 psi to guarantee maximum reliability, even in the most demanding environments. This rigorous testing process underscores CSF’s commitment to quality and durability, providing confidence that the intercooler will perform reliably over time.
Installation is straightforward and convenient, as the intercooler features a true "Drop-in Fit" design. It includes precise OEM-style inlet and outlet connections that require no modifications, facilitating a seamless replacement or upgrade process. This ensures compatibility with factory components and maintains the integrity of your vehicle’s original setup.
In addition to its robust construction, the intercooler is finished with CSF’s proprietary Thermal Rejection Powder-Coating. This advanced coating enhances heat dissipation by up to 15% compared to non-coated intercoolers, contributing to improved cooling performance and maintaining lower intake air temperatures. The coating also provides a sleek OEM+ aesthetic, combining functionality with a professional appearance.
Key Features
- Heavy duty bar & plate core construction for enhanced durability
- All-aluminium cast end tanks engineered for strength and corrosion resistance
- High-density internal and external fin design maximizing surface area contact and cooling efficiency
- True "Drop-in" fit requiring no modifications, ensuring ease of installation
- Pressure tested at 120 psi to withstand extreme boost pressures reliably
- Precise "Quick-Connect" inlet/outlet connections for secure OEM-style fitment
- CSF’s advanced thermal rejection powder coating for superior heat dissipation and a refined finish
Applications
| Year Range | Make | Chassis Code | Model | Trim | Engine / Trans / Etc | Notes |
|---|---|---|---|---|---|---|
| 2001-2005 | Chevrolet | - | Silverado 2500 HD | - | Turbocharged Diesel 6.6L V8 | - |
| 2001-2005 | Chevrolet | - | Silverado 3500 | - | Turbocharged Diesel 6.6L V8 | - |
| 2001-2005 | GMC | - | Sierra 2500 HD | - | Turbocharged Diesel 6.6L V8 | - |
| 2001-2005 | GMC | - | Sierra 3500 | - | Turbocharged Diesel 6.6L V8 | - |
OEM Part Numbers
- Chevrolet: 19258551
- Chevrolet: 15020380
- GMC: 19258551
- GMC: 15020380
Warranty
Cooling Systems and Flexibles, Inc. (CSF) guarantees the quality and performance of its High-Performance Cooling Systems under normal use and service. This warranty extends to the original purchaser of the vehicle in which the product was initially installed. For comprehensive warranty details and conditions, please consult the Warranty Page.
SKU# 7103 Warranty Term: 2 years
In summary, the CSF Heavy Duty Intercooler for the 01-05 6.6L Turbo Diesel Silverado and Sierra HD models combines advanced engineering, durable materials, and proven performance enhancements. It is an ideal choice for professionals and enthusiasts seeking a reliable, OEM-compatible intercooler that supports high boost pressures while improving thermal management. This product exemplifies CSF’s commitment to quality, making it a dependable upgrade for your heavy-duty diesel vehicle.
Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.
It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.
We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.
We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.
All in stock products ship the same day if ordered before 2pm GMT
For out of stock items we will contact you with an estimated wait time if not otherwise specified above.
We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy
All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.