2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Modules

Harness the full power of your powerful GM 6.6L Duramax by installing any of our featured aftermarket tuners! Grant your truck additional horsepower, torque and throttle by upgrading your stock PCM to a performance-oriented module! Designed to overhaul your truck's shifting for an enhanced gear-holding and optimized shift pressures, GM 2500HD/3500HD owners can expect a notable increase in overall performance. Achieve improved injection timing/pulse and fuel rail pressure with a new aftermarket PCM module from Alligator Performance. For even greater added power, check out our selection of Turbo Upgrades. GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

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ATS 601-940-4368 A50 to T87 TCM Upgrade Module | 2011-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ATS 601-940-4368 A50 to T87 TCM Upgrade Module | 2011-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ATS Diesel Performance

ATS 601-940-4368 A50 to T87 TCM Upgrade Module | 2011-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ATS601-940-4368
Sale price
$2,655
Regular price
$2,950
Fleece FPE-ALILKR AlliLocker Allison Torque Converter Controller | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-ALILKR AlliLocker Allison Torque Converter Controller | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-ALILKR AlliLocker Allison Torque Converter Controller | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-ALILKR
Price
$179
Mahle TW-610S Thrust Washer Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle TW-610S Thrust Washer Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle TW-610S Thrust Washer Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCITW-610S
Sale price
$24.85
Regular price
$62.01
ATS 601-940-4416 A50 to T87 TCM Upgrade Module | 2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ATS 601-940-4416 A50 to T87 TCM Upgrade Module | 2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ATS Diesel Performance

ATS 601-940-4416 A50 to T87 TCM Upgrade Module | 2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ATS601-940-4416
Sale price
$2,655
Regular price
$2,950
ATS 601-924-4368 Allison Co-Pilot Transmission Controller | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
ATS 601-924-4368 Allison Co-Pilot Transmission Controller | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

ATS Diesel Performance

ATS 601-924-4368 Allison Co-Pilot Transmission Controller | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: ATS601-924-4368
Sale price
$1,057.50
Regular price
$1,175

2011-2016 6.6L Silverado & Sierra 2500HD/3500HD

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