BD Diesel High Idle Control — Fits 2008-2015 Chevrolet GMC Duramax 6.6L

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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 BD Diesel

BD Diesel engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BD Diesel lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

BD Diesel High Idle Control for Duramax 6.6L

Take full control of your 2008-2015 Chevrolet or GMC Duramax 6.6L engine with the BD Diesel High Idle Control. This essential performance upgrade allows you to manually adjust your engine's idle speed, which is critical for maintaining optimal operating temperatures during cold weather, supporting high-draw electrical accessories, or ensuring faster engine warm-up times. By preventing excessive idling at low RPMs, you reduce the risk of cylinder wash and carbon buildup, extending the life of your diesel engine.

Engineered for Performance

  • Custom Idle Adjustment: Easily set your desired idle RPM for cold starts or auxiliary power needs.
  • Engine Longevity: Helps maintain proper combustion temperatures during extended idle periods.
  • Seamless Integration: Designed specifically for the GM Duramax 6.6L platform for a reliable, factory-like fit.
  • Essential for Cold Climates: Ensures your cab stays warm and your engine remains at operating temperature during winter months.

BD Diesel is a leader in performance diesel engineering, and this module reflects their commitment to quality. Whether you are running aftermarket lights, winches, or simply want to protect your engine during cold mornings, this high idle kit provides the functionality you need. Installation is straightforward, allowing you to get back on the road with improved engine management. Experience the difference in reliability and performance with this premium upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2008-2019 Chevrolet Silverado 2500 HD LT
2008-2019 Chevrolet Silverado 2500 HD LTZ
2008-2019 Chevrolet Silverado 2500 HD WT
2015-2019 Chevrolet Silverado 2500 HD High Country
2008-2019 Chevrolet Silverado 3500 HD LTZ
2008-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2008-2019 GMC Sierra 2500 HD SLE
2008-2019 GMC Sierra 2500 HD SLT
2011-2019 GMC Sierra 2500 HD Denali
2015-2019 GMC Sierra 2500 HD Base
2008-2014 GMC Sierra 3500 HD WT
2008-2019 GMC Sierra 3500 HD SLE
2008-2019 GMC Sierra 3500 HD SLT
2011-2019 GMC Sierra 3500 HD Denali
2015-2019 GMC Sierra 3500 HD Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About BD Diesel

BD Diesel engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BD Diesel lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

BD Diesel High Idle Control for Duramax 6.6L

Take full control of your 2008-2015 Chevrolet or GMC Duramax 6.6L engine with the BD Diesel High Idle Control. This essential performance upgrade allows you to manually adjust your engine's idle speed, which is critical for maintaining optimal operating temperatures during cold weather, supporting high-draw electrical accessories, or ensuring faster engine warm-up times. By preventing excessive idling at low RPMs, you reduce the risk of cylinder wash and carbon buildup, extending the life of your diesel engine.

Engineered for Performance

  • Custom Idle Adjustment: Easily set your desired idle RPM for cold starts or auxiliary power needs.
  • Engine Longevity: Helps maintain proper combustion temperatures during extended idle periods.
  • Seamless Integration: Designed specifically for the GM Duramax 6.6L platform for a reliable, factory-like fit.
  • Essential for Cold Climates: Ensures your cab stays warm and your engine remains at operating temperature during winter months.

BD Diesel is a leader in performance diesel engineering, and this module reflects their commitment to quality. Whether you are running aftermarket lights, winches, or simply want to protect your engine during cold mornings, this high idle kit provides the functionality you need. Installation is straightforward, allowing you to get back on the road with improved engine management. Experience the difference in reliability and performance with this premium upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2008-2019 Chevrolet Silverado 2500 HD LT
2008-2019 Chevrolet Silverado 2500 HD LTZ
2008-2019 Chevrolet Silverado 2500 HD WT
2015-2019 Chevrolet Silverado 2500 HD High Country
2008-2019 Chevrolet Silverado 3500 HD LTZ
2008-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2008-2019 GMC Sierra 2500 HD SLE
2008-2019 GMC Sierra 2500 HD SLT
2011-2019 GMC Sierra 2500 HD Denali
2015-2019 GMC Sierra 2500 HD Base
2008-2014 GMC Sierra 3500 HD WT
2008-2019 GMC Sierra 3500 HD SLE
2008-2019 GMC Sierra 3500 HD SLT
2011-2019 GMC Sierra 3500 HD Denali
2015-2019 GMC Sierra 3500 HD Base

Product Details

Product Description

About BD Diesel

BD Diesel engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BD Diesel lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

BD Diesel High Idle Control for Duramax 6.6L

Take full control of your 2008-2015 Chevrolet or GMC Duramax 6.6L engine with the BD Diesel High Idle Control. This essential performance upgrade allows you to manually adjust your engine's idle speed, which is critical for maintaining optimal operating temperatures during cold weather, supporting high-draw electrical accessories, or ensuring faster engine warm-up times. By preventing excessive idling at low RPMs, you reduce the risk of cylinder wash and carbon buildup, extending the life of your diesel engine.

Engineered for Performance

  • Custom Idle Adjustment: Easily set your desired idle RPM for cold starts or auxiliary power needs.
  • Engine Longevity: Helps maintain proper combustion temperatures during extended idle periods.
  • Seamless Integration: Designed specifically for the GM Duramax 6.6L platform for a reliable, factory-like fit.
  • Essential for Cold Climates: Ensures your cab stays warm and your engine remains at operating temperature during winter months.

BD Diesel is a leader in performance diesel engineering, and this module reflects their commitment to quality. Whether you are running aftermarket lights, winches, or simply want to protect your engine during cold mornings, this high idle kit provides the functionality you need. Installation is straightforward, allowing you to get back on the road with improved engine management. Experience the difference in reliability and performance with this premium upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2008-2019 Chevrolet Silverado 2500 HD LT
2008-2019 Chevrolet Silverado 2500 HD LTZ
2008-2019 Chevrolet Silverado 2500 HD WT
2015-2019 Chevrolet Silverado 2500 HD High Country
2008-2019 Chevrolet Silverado 3500 HD LTZ
2008-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2008-2019 GMC Sierra 2500 HD SLE
2008-2019 GMC Sierra 2500 HD SLT
2011-2019 GMC Sierra 2500 HD Denali
2015-2019 GMC Sierra 2500 HD Base
2008-2014 GMC Sierra 3500 HD WT
2008-2019 GMC Sierra 3500 HD SLE
2008-2019 GMC Sierra 3500 HD SLT
2011-2019 GMC Sierra 3500 HD Denali
2015-2019 GMC Sierra 3500 HD Base

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