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LLY Duramax Intakes and Cooling

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    CSF 01-05 Chevrolet Silverado 6.6L Turbo Diesel Charge-Air-Cooler

    CSF
    $999.00 - $999.00
    $999.00
    $1,181.43
    $1,181.43 - $1,181.43
    $1,181.43

    CSF Heavy Duty Intercoolers are the perfect upgrade for your 01-05 6.6L TD Silverado/Sierra HD. The Heavy-Duty Bar & Plate Construction All-Alu...

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    $999.00 - $999.00
    $999.00
    $1,181.43
    $1,181.43 - $1,181.43
    $1,181.43
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    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK

    Mishimoto
    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK Mishimoto has expanded their Duramax performance parts line to include a perf...

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    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95
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    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER

    Mishimoto
    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER Mishimoto has expanded their Duramax performance parts line to include a per...

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    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95
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    Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L

    Mishimoto
    $1,045.00
    $1,045.00 - $1,045.00
    $1,045.00
    $949.95
    $949.95 - $949.95
    $949.95

    Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L Mishimoto has released a performance aluminum radiator for the 2001-2005 Chevrolet/GMC 6...

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    $1,045.00
    $1,045.00 - $1,045.00
    $1,045.00
    $949.95
    $949.95 - $949.95
    $949.95
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    Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Black

    Mishimoto
    $467.00
    $467.00 - $467.00
    $467.00
    $424.95
    $424.95 - $424.95
    $424.95

    Two decades of heat cycling plastic components, such as your factory degas tank, will undoubtedly make them brittle and discolored. If your factory...

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    $467.00
    $467.00 - $467.00
    $467.00
    $424.95
    $424.95 - $424.95
    $424.95
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    Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Natural

    Mishimoto
    $467.00
    $467.00 - $467.00
    $467.00
    $424.95
    $424.95 - $424.95
    $424.95

    Two decades of heat cycling plastic components, such as your factory degas tank, will undoubtedly make them brittle and discolored. If your factory...

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    $467.00
    $467.00 - $467.00
    $467.00
    $424.95
    $424.95 - $424.95
    $424.95
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    Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax LLY

    Mishimoto
    $209.00
    $209.00 - $209.00
    $209.00
    $189.95
    $189.95 - $189.95
    $189.95

    Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax Direct fit for the 2004.5-2005 Chevrolet/GMC 6.6L Duramax Five layers ...

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    $209.00
    $209.00 - $209.00
    $209.00
    $189.95
    $189.95 - $189.95
    $189.95
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    Mishimoto HOT SIDE Intercooler Pipe & Boot Kit 04.5-10 LLY LBZ LMM 6.6L Duramax

    Mishimoto
    $392.00
    $392.00 - $392.00
    $392.00
    $355.95
    $355.95 - $355.95
    $355.95

    Mishimoto HOT SIDE Intercooler Pipe & Boot Kit 04.5-10 LLY LBZ LMM 6.6L Duramax Improve the power and efficiency of your Duramax with the Mishi...

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    $392.00
    $392.00 - $392.00
    $392.00
    $355.95
    $355.95 - $355.95
    $355.95
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    Mishimoto Aluminum Intercooler Pipe & Boot Kit 2002*-2004 LB7 - NOT 2001 MODEL

    Mishimoto
    $561.00
    $561.00 - $561.00
    $561.00
    $509.95
    $509.95 - $509.95
    $509.95

    The Mishimoto 6.6L Duramax intercooler pipe and boot kit is an ideal upgrade in reliability and performance.The Mishimoto kit features polished al...

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    $561.00
    $561.00 - $561.00
    $561.00
    $509.95
    $509.95 - $509.95
    $509.95
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L

    Mishimoto
    $352.00
    $352.00 - $352.00
    $352.00
    $319.95
    $319.95 - $319.95
    $319.95

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

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    $352.00
    $352.00 - $352.00
    $352.00
    $319.95
    $319.95 - $319.95
    $319.95
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L - Red

    Mishimoto
    $352.00
    $352.00 - $352.00
    $352.00
    $319.95
    $319.95 - $319.95
    $319.95

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

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    $352.00
    $352.00 - $352.00
    $352.00
    $319.95
    $319.95 - $319.95
    $319.95
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    $110.00
    $110.00 - $110.00
    $110.00
    $99.95
    $99.95 - $99.95
    $99.95

    Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat The Mishimoto Chevrolet Duramax high temperature thermostats activ...

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    $110.00
    $110.00 - $110.00
    $110.00
    $99.95
    $99.95 - $99.95
    $99.95
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    $110.00
    $110.00 - $110.00
    $110.00
    $99.95
    $99.95 - $99.95
    $99.95

    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set Fits 2001-2021 Chevrolet/GMC 6.6L Duramax (see fitment char...

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    $110.00
    $110.00 - $110.00
    $110.00
    $99.95
    $99.95 - $99.95
    $99.95
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    Banks Power 01-04 Chevy 6.6L Lb14 Ram-Air Intake System

    Banks Power
    $498.89
    $498.89 - $498.89
    $498.89
    $449.00
    $449.00 - $449.00
    $449.00

    Flowbench developed, dyno-proven cold-air intake with enclosed housing improves flow up to 57 percent. Increases power and fuel economy. Reduces ex...

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    $498.89
    $498.89 - $498.89
    $498.89
    $449.00
    $449.00 - $449.00
    $449.00
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    Pusher SuperMax Intake System for 2004.5-2005 Duramax LLY Trucks

    Pusher Intakes
    $699.99 - $699.99
    $699.99
    $699.99 - $699.99
    $699.99

    Replace the restrictive post intercooler plumbing on the 2004.5 to 2005 LLY Duramax. The Pusher SuperMax system pairs a one piece Y bridge with a f...

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    $699.99 - $699.99
    $699.99
    $699.99 - $699.99
    $699.99
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    Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Upper Coolant Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53

    Wehrli Model WCF100860 Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of ...

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    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53
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    Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit

    Wehrli
    $524.00
    $524.00 - $524.00
    $524.00
    $474.33
    $474.33 - $474.33
    $474.33

    Wehrli Model WCF100405 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper rad...

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    $524.00
    $524.00 - $524.00
    $524.00
    $474.33
    $474.33 - $474.33
    $474.33
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    Wehrli 01-06 Chevrolet 6.6L LB7/LLY/LBZ Duramax Twin Turbo Style Coolant Tank Kit

    Wehrli
    $416.13 - $416.13
    $416.13
    $416.13 - $416.13
    $416.13

    Wehrli Model WCF100642LB7, LLY, LBZ Duramax Fabricated Aluminum Coolant Tank Kit for Twin Turbo Applications mounts on passenger side fender. Does ...

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    $416.13 - $416.13
    $416.13
    $416.13 - $416.13
    $416.13
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    Wehrli 01-07 Chevrolet 6.6L LB7/LLY/LBZ Duramax OEM Placement Coolant Tank Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $474.33
    $474.33 - $474.33
    $474.33

    Wehrli Model WCF100645 2001-2007 Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by re...

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    $0.00 - $0.00
    $0.00
    $474.33
    $474.33 - $474.33
    $474.33
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    Cold Air Intake For 04-05 Chevrolet Silverado GMC Sierra V8-6.6L LLY Duramax S&B

    S&B
    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $399.00

    Maximum Performance Our cold air intake for the 2004-2005 Chevy / GMC Duramax LLY 6.6L was engineered to minimize air restriction and flows 44.63 p...

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    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $399.00
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    Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung

    Wehrli
    $0.00 - $0.00
    $0.00
    $33.95
    $33.95 - $33.95
    $33.95

    Wehrli Model WCF205-26Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung

    $0.00 - $0.00
    $0.00
    $33.95
    $33.95 - $33.95
    $33.95
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    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74

    Wehrli Model WCF205-280Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74
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    XDP XTRA Cool Water Pump (Pump Only) XD665

    XDP
    $78.95 - $78.95
    $78.95
    $78.95 - $78.95
    $78.95

    XDP Model XD6652001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxReplace the failed water pump on your GM 6.6...

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    $78.95 - $78.95
    $78.95
    $78.95 - $78.95
    $78.95
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    XDP Xtra Cool Water Pump with Housing XD666

    XDP
    $157.95 - $157.95
    $157.95
    $157.95 - $157.95
    $157.95

    XDP Model XD6662001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump (With Housing)...

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    $157.95 - $157.95
    $157.95
    $157.95 - $157.95
    $157.95

LLY Duramax intakes and cooling for 2004.5 to 2005 Chevy Silverado HD and GMC Sierra HD trucks.

Cold air intakes, intercoolers, intercooler boots, radiators, hoses and coolant parts. Better airflow lowers EGT, and cooling upgrades matter for any truck that tows.

Related: LLY turbochargers and exhausts, LLY fluids, LLY engine parts. Browse all LLY Duramax parts.

Not sure what fits? Send us your VIN and we will match the right part.