Mishimoto 17-19 GM 6.6L Duramax L5P Intercooler – Black Performance Upgrade

Mishimoto has expanded our line of Duramax performance parts to include a performance intercooler for the 2017-2019 Chevrolet/GMC 6.6L Duramax L5P.High intake temperatures can reduce performance and potentially cause engine damage if left unchecked. Protect your investment by upgrading to the Mishimoto 6.6L Duramax L5P performance intercooler. This Duramax intercooler is precision engineered with durable cast-aluminum end tanks that resist cracking under high temperatures and boost pressures.The massive 68mm-thick bar-and-plate core is 70-percent thicker than stock and is designed for maximum cooling. In addition, the larger core reduces restriction by over 64-percent compared to the stock intercooler. We've also increased the size of the intercooler inlet and outlet by 6mm and 12mm, respectively, to improve flow even more.Included with this intercooler is an adapter cold-side pipe with DuraCore(TM) boot and constant-tension T-bolt clamps. Two additional bungs on the adapter pipe can be drilled and tapped for sensors or water/meth injection. Offered in Sleek Silver or Stealth Black powder-coated finish, the Mishimoto 6.6L Duramax intercooler, like all our Duramax performance parts, is protected by our signature Mishimoto Lifetime Warranty. High-efficiency intercooler engineered to reduce intake air temperatures for improved power and engine performance. Durable construction ensures optimal heat exchange, consistent boost, and a precise, reliable fit.

• 68mm-thick bar-and-plate core is 70-percent thicker than stock for maximum cooling
• Reduces restriction by over 64-percent over stock intercooler
• Larger inlet and outlet reduce restriction for improved flow

Upgrade your 2017-2019 Chevrolet or GMC 6.6L Duramax L5P engine with the Mishimoto Performance Intercooler, designed to optimize cooling efficiency and boost power. Crafted with precision, this intercooler features durable cast-aluminum end tanks that resist cracking even under high temperatures and pressures, ensuring long-lasting performance. The 68mm-thick bar-and-plate core is 70% thicker than stock, providing maximum heat dissipation to reduce intake air temperatures, which directly translates to improved engine power and efficiency. The increased core size minimizes restriction by over 64% compared to the factory intercooler, allowing for better airflow and more consistent boost levels. The larger inlet and outlet ports, increased by 6mm and 12mm respectively, further enhance airflow and reduce pressure drop, promoting smoother operation under demanding conditions. Included with the intercooler is an adapter cold-side pipe with DuraCore(TM) boot and constant-tension T-bolt clamps for a secure fit. Two additional bungs on the adapter pipe allow for sensor installation or water/meth injection, offering customization options for advanced tuning. The Mishimoto intercooler is finished in a sleek black powder coat, combining durability with a stealthy appearance. Backed by Mishimoto’s lifetime warranty, this intercooler is an essential upgrade for enthusiasts seeking reliable performance, lower intake temperatures, and enhanced engine longevity. Whether you're looking to improve daily driving performance or prepare for high-power applications, this intercooler provides a robust and efficient cooling solution for your Duramax diesel engine.

Features:

• 68mm-thick bar-and-plate core is 70% thicker than stock for maximum cooling

• Reduces restriction by over 64% compared to stock intercooler

• Larger inlet and outlet ports to improve airflow and reduce pressure drop

Fitment:
2017 Chevrolet Silverado 2500 HD High Country
2017 Chevrolet Silverado 2500 HD LT
2017 Chevrolet Silverado 2500 HD LTZ
2017 Chevrolet Silverado 2500 HD WT
2017 Chevrolet Silverado 3500 HD High Country
2017 Chevrolet Silverado 3500 HD LT
2017 Chevrolet Silverado 3500 HD LTZ
2017 Chevrolet Silverado 3500 HD WT
2017 GMC Sierra 2500 HD Base
2017 GMC Sierra 2500 HD Denali
2017 GMC Sierra 2500 HD SLE
2017 GMC Sierra 2500 HD SLT
2017 GMC Sierra 3500 HD Base
2017 GMC Sierra 3500 HD Denali
2017 GMC Sierra 3500 HD SLE
2017 GMC Sierra 3500 HD SLT
2018 Chevrolet Silverado 2500 HD High Country
2018 Chevrolet Silverado 2500 HD LT
2018 Chevrolet Silverado 2500 HD LTZ
2018 Chevrolet Silverado 2500 HD WT
2018 Chevrolet Silverado 3500 HD High Country
2018 Chevrolet Silverado 3500 HD LT
2018 Chevrolet Silverado 3500 HD LTZ
2018 Chevrolet Silverado 3500 HD WT
2018 GMC Sierra 2500 HD Base
2018 GMC Sierra 2500 HD Denali
2018 GMC Sierra 2500 HD SLE
2018 GMC Sierra 2500 HD SLT
2018 GMC Sierra 3500 HD Base
2018 GMC Sierra 3500 HD Denali
2018 GMC Sierra 3500 HD SLE
2018 GMC Sierra 3500 HD SLT
2019 Chevrolet Silverado 2500 HD High Country
2019 Chevrolet Silverado 2500 HD LT
2019 Chevrolet Silverado 2500 HD LTZ
2019 Chevrolet Silverado 2500 HD WT
2019 Chevrolet Silverado 3500 HD High Country
2019 Chevrolet Silverado 3500 HD LT
2019 Chevrolet Silverado 3500 HD LTZ
2019 Chevrolet Silverado 3500 HD WT
2019 GMC Sierra 2500 HD Base
2019 GMC Sierra 2500 HD Denali
2019 GMC Sierra 2500 HD SLE
2019 GMC Sierra 2500 HD SLT
2019 GMC Sierra 3500 HD Base
2019 GMC Sierra 3500 HD Denali
2019 GMC Sierra 3500 HD SLE
2019 GMC Sierra 3500 HD SLT

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1