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LLY Duramax Intercoolers


Upgrade your 2004.5–2005 LLY Duramax with high-quality intercoolers designed to maximize charge air cooling and improve engine efficiency. Engineered from durable materials with optimized airflow, these intercoolers reduce intake temperatures, boost horsepower, and enhance throttle response. Perfect for towing, performance tuning, and heavy-duty use, our premium intercoolers deliver reliable, long-lasting cooling for your Duramax diesel.

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LB7|LLY Duramax OE Replacement Intercooler CSF 6007
LB7|LLY Duramax OE Replacement Intercooler CSF 6007 $425.25
Fits: LB7|LLY Duramax 2001-2005
LB7|LLY Duramax Replacement HD Intercooler CSF 7103
LB7|LLY Duramax Replacement HD Intercooler CSF 7103 $1,066.67
Fits: LB7|LLY Duramax 2001-2005
LB7|LLY Duramax Intercooler Mishimoto MMINT-DMAX-01SL
LB7|LLY Duramax Intercooler Mishimoto MMINT-DMAX-01SL $1,322.95
California Restricted
Fits: LB7|LLY Duramax 2001-2005
Select Options
CSF 6024 OEM+ Replacement Intercooler (Bar & Plate Core)
Sold Out
CSF 6024 OEM+ Replacement Intercooler (Bar & Plate Core) $571.50
California Restricted
Fits: LB7|LLY Duramax
LLY|LBZ|LMM Duramax Boost Tube Upgrade Kit Banks Power 25936
LLY|LBZ|LMM Duramax Boost Tube Upgrade Kit Banks Power 25936 $189.00
Fits: LLY|LBZ|LMM Duramax 2004.5-2010 (Driver Side)
LLY|LBZ|LMM Duramax Intercooler Pipe & Boot Kit Mishimoto MMICP-DMAX-045HBK
LLY|LBZ|LMM Duramax Intercooler Pipe & Boot Kit Mishimoto MMICP-DMAX-045HBK $355.95
Fits: LLY|LBZ|LMM Duramax 2004.5-2010 (Hot Side)
Duramax 3 Inch Black Hot Side Intercooler Pipe PPE 115022020
Duramax 3 Inch Black Hot Side Intercooler Pipe PPE 115022020 $188.99
California Restricted
Fits: Duramax 2004.5-2010
PPE 115022030 3" Polished Hot Side Intercooler Pipe
PPE 115022030 3" Polished Hot Side Intercooler Pipe $188.99
California Restricted
Fits: Duramax 2004.5-2010
PPE 115022000 3" Raw Hot Side Intercooler Pipe
PPE 115022000 3" Raw Hot Side Intercooler Pipe $188.99
California Restricted
Fits: Duramax 2004.5-2010
LLY|LBZ|LMM Duramax 3 Inch Intercooler Tube (Hot Side) AFE 46-20049
LLY|LBZ|LMM Duramax 3 Inch Intercooler Tube (Hot Side) AFE 46-20049 $339.15
Fits: LLY|LBZ|LMM Duramax 2004.5-2010
BD-Power 1046276 Intake Hose & Clamp Kit
BD-Power 1046276 Intake Hose & Clamp Kit $432.95
Fits: LLY Duramax
BD-Power 1046277 Intake Hose & Clamp Kit
BD-Power 1046277 Intake Hose & Clamp Kit $244.95
Fits: Duramax 2006-2010
Mishimoto MMCLAMP-VS-35 Stainless 3.5" V-Band Clamp With Flange
Mishimoto MMCLAMP-VS-35 Stainless 3.5" V-Band Clamp With Flange $54.95
Fits: Universal - For 3.5" Connections
Mishimoto MMCLAMP-VA-3 Aluminum 3" V-Band Clamp With Flange
Mishimoto MMCLAMP-VA-3 Aluminum 3" V-Band Clamp With Flange $50.95
Fits: Universal - For 3" Connections
Duramax 04.5-16 Silicone Coupling PPE 115900500
Duramax 04.5-16 Silicone Coupling PPE 115900500 $26.99
Fits: Duramax 2004.5-2016
Duramax 04.5-16 Silicone Coupling PPE 115900800
Duramax 04.5-16 Silicone Coupling PPE 115900800 $53.99
Fits: Duramax 2004.5-2016
7.3 Powerstroke 3 To 3.5 Inch Transition Duracore Boot Mishimoto MMDCC-3035BK
7.3 Powerstroke 3 To 3.5 Inch Transition Duracore Boot Mishimoto MMDCC-3035BK $59.95
Fits: 7.3 Powerstroke 1999.5-2003 - (Universal- 3 To 3.5")