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.

Availability
Manufacturer
Make
Model
Year
Price
$0
$2,950
Rating
Loading products...
Filter
5 products
Sort by:
Best selling
Availability
Manufacturer
Make
Model
Year
Price
$0
$2,950
Rating
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

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

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

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

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

Price
$1,175

FREE SHIPPING ON ALL ORDERS OVER $70

PRICE MATCH GUARANTEE

BUILD NOW, PAY LATER FINANCING OPTIONS

30-DAY RETURN SATISFACTION GUARANTEE

DIESEL TRUCK EXPERTS STANDING BY

Can We Help You Find Something?

Give us a call: +1-208-719-7400

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

THE GARAGE

The Garage

Welcome to The Garage – your one-stop shop for all your car care and maintenance needs. From premium oils and filters to top-notch car care products, we have everything you need to keep your vehicle running smoothly and looking its best. Whether you're a DIY enthusiast or a professional mechanic, our carefully curated selection of high-quality products will help you take care of your ride like never before.