Mishimoto 06-10 Chevy/GMC 6.6L Duramax LBZ/LMM Transmission Cooler

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SKU: MISMMTC-DMAX-06SL
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Sale price$498.95 Regular price$549.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Maximize Your Duramax Transmission's Lifespan

Heat is the silent killer of automatic transmissions. For your 2006-2010 Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 equipped with the 6.6L Duramax LBZ or LMM engine, maintaining optimal transmission temperatures is crucial, whether you're hauling heavy loads, working your truck hard, or enjoying spirited driving. The Mishimoto direct-fit transmission cooler is the ultimate solution to combat excessive heat.

Engineered for Peak Performance

Featuring a high-performance stacked-plate core, this Mishimoto transmission cooler offers superior durability and exceptional heat dissipation. Compared to the stock unit, this cooler provides:

  • Core Volume: 84% larger than stock.
  • Fin Surface Area: 125% greater than stock.

These significant improvements translate to lower transmission fluid temperatures, reducing the risk of overheating, extending the life of your transmission components, and maintaining consistent performance. The cooler comes with precision-engineered, CNC-machined adapters for a hassle-free installation, ensuring a perfect fit with your truck's existing lines.

Product Highlights:

  • Designed for 2006-2010 Chevrolet/GMC 6.6L Duramax (LBZ/LMM)
  • Durable stacked-plate construction
  • Substantially increased core volume and fin surface area
  • Includes necessary CNC-machined adapters
  • Available in a sleek silver finish

Don't let heat compromise your Duramax truck's transmission. Upgrade to the Mishimoto transmission cooler for reliable, efficient cooling. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Chevrolet Silverado 2500 HD LS
2006-2010 Chevrolet Silverado 2500 HD LT
2006-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2006 Chevrolet Silverado 3500 LS
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2006 GMC Sierra 2500 HD SL
2006-2010 GMC Sierra 2500 HD SLE
2006-2010 GMC Sierra 2500 HD SLT
2006-2010 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2006 GMC Sierra 3500 WT
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic WT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Maximize Your Duramax Transmission's Lifespan

Heat is the silent killer of automatic transmissions. For your 2006-2010 Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 equipped with the 6.6L Duramax LBZ or LMM engine, maintaining optimal transmission temperatures is crucial, whether you're hauling heavy loads, working your truck hard, or enjoying spirited driving. The Mishimoto direct-fit transmission cooler is the ultimate solution to combat excessive heat.

Engineered for Peak Performance

Featuring a high-performance stacked-plate core, this Mishimoto transmission cooler offers superior durability and exceptional heat dissipation. Compared to the stock unit, this cooler provides:

  • Core Volume: 84% larger than stock.
  • Fin Surface Area: 125% greater than stock.

These significant improvements translate to lower transmission fluid temperatures, reducing the risk of overheating, extending the life of your transmission components, and maintaining consistent performance. The cooler comes with precision-engineered, CNC-machined adapters for a hassle-free installation, ensuring a perfect fit with your truck's existing lines.

Product Highlights:

  • Designed for 2006-2010 Chevrolet/GMC 6.6L Duramax (LBZ/LMM)
  • Durable stacked-plate construction
  • Substantially increased core volume and fin surface area
  • Includes necessary CNC-machined adapters
  • Available in a sleek silver finish

Don't let heat compromise your Duramax truck's transmission. Upgrade to the Mishimoto transmission cooler for reliable, efficient cooling. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Chevrolet Silverado 2500 HD LS
2006-2010 Chevrolet Silverado 2500 HD LT
2006-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2006 Chevrolet Silverado 3500 LS
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2006 GMC Sierra 2500 HD SL
2006-2010 GMC Sierra 2500 HD SLE
2006-2010 GMC Sierra 2500 HD SLT
2006-2010 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2006 GMC Sierra 3500 WT
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic WT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Maximize Your Duramax Transmission's Lifespan

Heat is the silent killer of automatic transmissions. For your 2006-2010 Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 equipped with the 6.6L Duramax LBZ or LMM engine, maintaining optimal transmission temperatures is crucial, whether you're hauling heavy loads, working your truck hard, or enjoying spirited driving. The Mishimoto direct-fit transmission cooler is the ultimate solution to combat excessive heat.

Engineered for Peak Performance

Featuring a high-performance stacked-plate core, this Mishimoto transmission cooler offers superior durability and exceptional heat dissipation. Compared to the stock unit, this cooler provides:

  • Core Volume: 84% larger than stock.
  • Fin Surface Area: 125% greater than stock.

These significant improvements translate to lower transmission fluid temperatures, reducing the risk of overheating, extending the life of your transmission components, and maintaining consistent performance. The cooler comes with precision-engineered, CNC-machined adapters for a hassle-free installation, ensuring a perfect fit with your truck's existing lines.

Product Highlights:

  • Designed for 2006-2010 Chevrolet/GMC 6.6L Duramax (LBZ/LMM)
  • Durable stacked-plate construction
  • Substantially increased core volume and fin surface area
  • Includes necessary CNC-machined adapters
  • Available in a sleek silver finish

Don't let heat compromise your Duramax truck's transmission. Upgrade to the Mishimoto transmission cooler for reliable, efficient cooling. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Chevrolet Silverado 2500 HD LS
2006-2010 Chevrolet Silverado 2500 HD LT
2006-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2006 Chevrolet Silverado 3500 LS
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2006 GMC Sierra 2500 HD SL
2006-2010 GMC Sierra 2500 HD SLE
2006-2010 GMC Sierra 2500 HD SLT
2006-2010 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2006 GMC Sierra 3500 WT
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic WT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

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