2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Install Kits

Upgrading the front or rear ring-and-pinion gears on your 2017-2019 GM 6.6L Duramax L5P can greatly improve your truck's performance, but while you’re at it, upgrading the rest of your critical driveline and differential components is probably a smart move. The gear install kits we offer here at Alligator Performance come equipped with new bearings, races, shims, and all the necessary hardware to ensure a complete overhaul of your differential during your gear swap.  GM Duramax Fitments: 2017, 2018, 2019 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.

GM Duramax>2017-2019 6.6L L5P
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Yukon YKGM11.5-B Master Overhaul Kit for 11.5 Differentials | 2011-2019 GM 2500/3500HD & 11-13 Dodge Ram 2500/3500
Yukon YKGM11.5-B Master Overhaul Kit for 11.5 Differentials | 2011-2019 GM 2500/3500HD & 11-13 Dodge Ram 2500/3500

Yukon Gear And Axle

Yukon YKGM11.5-B Master Overhaul Kit for 11.5 Differentials | 2011-2019 GM 2500/3500HD & 11-13 Dodge Ram 2500/3500

SKU: YUKYKGM11.5-B
$882.89
Yukon YKGM14T-C Master Install Kit for 14T Differential | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
Yukon YKGM14T-C Master Install Kit for 14T Differential | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YKGM14T-C Master Install Kit for 14T Differential | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYKGM14T-C
$656.89
Yukon YKGM9.25IFS-B Master Overhaul Kit for 9.25 Differential | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Yukon YKGM9.25IFS-B Master Overhaul Kit for 9.25 Differential | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YKGM9.25IFS-B Master Overhaul Kit for 9.25 Differential | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYKGM9.25IFS-B
$655.89

2017-2019 6.6L Silverado & Sierra 2500HD/3500HD

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