The HPS Polish Intercooler Charge Pipe [Hot Side] For 17-19 Silverado/Sierra 2500HD 3500HD Duramax 6.6L Diesel Turbo L5P is available now, with fitment data on the page and a team behind it.
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The important numbers
- Engine: 6.6L
- Category: Cooling Systems
- Price: $410.97 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
This HPS Performance Hot Side Charge Pipe Kit is a simple and effective replacement and performance upgrade from the restrictive stock intercooler piping. The stock intercooler piping is a known weak point in the Duramax’s powertrain and replacements from the dealerships are constantly on backorder. Replace your defective stock part with an upgrade that won’t leave you stranded. Enjoy quicker acceleration, improved fuel mileage, easier towing, and increased long-term reliability. HPS Charge Pipe Kits prioritize seamless installation through meticulous design.
The use of advanced technologies such as 3D scanning and Solidworks during product development ensures a precise fit. The design of this two-piece kit not only facilitates easier installation but also accounts for engine movement. The larger 3″ OD mandrel-bent aluminum piping offers increased air volume and improved airflow. This charge pipe kit includes HPS oil resistant high temperature 4-ply reinforced silicone couplers and heavy duty stainless steel spring loaded T-bolt clamps.
- Material: Mandrel-Bent Aluminum
- Color: Polish
- Improves acceleration and throttle response for a better driving experience.
- Larger 3″ mandrel bent 6061 aluminum tubing improves airflow and increases air volume.
- Replaces your stock hot side intercooler piping with more durable parts that are high temperature resistant.
- Includes HPS oil resistant 4-ply reinforced silicone couplers and heavy duty stainless steel spring loaded T-bolt clamps.
- Replaces OEM PN: 87839947.
Application:
For 2017-2019 Chevrolet Silverado 2500 HD 6.6L V8 Duramax Diesel Turbo L5P (K2XX 3rd Gen)
For 2017-2019 Chevrolet Silverado 3500 HD 6.6L V8 Duramax Diesel Turbo L5P (K2XX 3rd Gen)
For 2017-2019 GMC Sierra 2500 HD 6.6L V8 Duramax Diesel Turbo L5P (K2XX 4th Gen)
For 2017-2019 GMC Sierra 3500 HD 6.6L V8 Duramax Diesel Turbo L5P (K2XX 4th Gen)
Remark:
Installation:
Product Content:
- 1 x [Hot Side] Intercooler Charge Pipe, Hardware if Any is Shown in the Picture Above
Included instruction (Online Version) with pictures/description to guide the installer throughout the whole process.
Cross Reference Number:
- 17-146P, 17146P, 17-146, 17146, 87839947
Our team checks doubtful orders by hand, so share your vehicle details and we will verify this listing against manufacturer data.
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Quick answers
How do I confirm this fits?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How quickly can I get this?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
Can I return this part?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
Is this checked before shipping?
We inspect cooling components for seal integrity and transit protection before dispatch.
![HPS Polish Intercooler Charge Pipe [Hot Side] For 17-19 Silverado/Sierra 2500HD 3500HD Duramax 6.6L Diesel Turbo L5P](https://partsmithco.com/wp-content/uploads/2026/07/17-146P_1-2.jpg)

![HPS Polish Intercooler Charge Pipe [Cold Side] For 15-21 A3 S3 Golf GTI 1.8T 2.0T](https://partsmithco.com/wp-content/uploads/2026/07/17-129P_1-300x300.jpg)


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