Please match compatibility from below

Fitment

Sierra 1500 Pickup 2007 Front Axle; New Style (Smooth Door Skin), 3.42 Ratio (OPT GU6)
Sierra 1500 Pickup 2008-2012 Front Axle; 3.42 Ratio (OPT GU6)
Sierra 1500 Pickup 2012-2013 Front Axle; 3.42 Ratio (OPT GU6), ID BAAB
Yukon 2009-2011 Front Axle; 3.42 Axle Ratio (OPT GU6), Exc. Denali
Yukon 2012 Front Axle; 3.42 Axle Ratio (OPT GU6), Base
Yukon 2012 Front Axle; 3.42 Axle Ratio (OPT GU6), SLE
Yukon 2012 Front Axle; 3.42 Axle Ratio (OPT GU6), SLT
Yukon 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), Base, ID BAAB
Yukon 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), SLE, ID BAAB
Yukon 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), SLT, ID BAAB
Yukon XL 1500 2009 Front Axle; 3.42 Ratio, OPT GU6), Exc. Denali
Yukon XL 1500 2010-2011 Front Axle; 3.42 Axle Ratio (OPT GU6), Exc. Denali
Yukon XL 1500 2012 Front Axle; 3.42 Axle Ratio (OPT GU6), Base
Yukon XL 1500 2012 Front Axle; 3.42 Axle Ratio (OPT GU6), SLE
Yukon XL 1500 2012 Front Axle; 3.42 Axle Ratio (OPT GU6), SLT
Yukon XL 1500 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), Base, ID BAAB
Yukon XL 1500 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), SLE, ID BAAB
Yukon XL 1500 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), SLT, ID BAAB
Silverado 1500 Pickup 2007 Front Axle; New Style (Smooth Door Skin), 3.42 Ratio (OPT GU6)
Silverado 1500 Pickup 2008-2012 Front Axle; 3.42 Ratio (OPT GU6)
Silverado 1500 Pickup 2012-2013 Front Axle; 3.42 Ratio (OPT GU6), ID BAAB
Avalanche 1500 2009 Front Axle; (3.42 Ratio, OPT GU6)
Avalanche 1500 2010-2012 Front Axle; 3.42 Axle Ratio (OPT GU6)
Avalanche 1500 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), ID BAAB
Suburban 1500 2009 Front Axle; (3.42 Ratio, OPT GU6)
Suburban 1500 2010-2012 Front Axle; 3.42 Axle Ratio (OPT GU6)
Suburban 1500 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), ID BAAB
Tahoe 2009-2012 Front Axle; 3.42 Axle Ratio (OPT GU6)
Tahoe 2013 Front Axle; 3.42 Axle Ratio (OPT GU6), ID BAAB

*Pictures are for reference only*

Compatibility and shipping:

Once you buy from us. We highly recommend to you to send us your VIN so we can decode it and match compatibility in our system. 
In some cases we may need your vin or part# to process your order. 
Customers are advised to match compatibility in with compatibility chart. It is customer's responsibility to ensure that they are buying the correct part before purchase
In case you purchase a wrong part we will charge you a 30% restocking fee and no refunds will be offered on the shipping fee
Items are usually shipped within 3 to 5 business days. All our items are shipped with either UPS or FedEx standard delivery  
Standard delivery includes shipping to the continental United States only  
If the item arrives damage, customer will have notify us within 24 hours of delivery, so we may send you a replacement or a refund depending on stock availability

Part Condition & Warranty:

Is is a used part which may show signs of wear
All of our items come with a standard 30 day warranty which does not include any labor, diagnostics, towing, or any other cost which may incur related to an item being damaged/defective/incorrect 
Parts must be professionally installed by a certified mechanic or technician in order for them to work properly

Returns & refunds:

All of our items come with a 30 day returns, buyers will have to pay for the return shipping 
In case you do not need a part anymore it must be returned in the same packaging it came in
Items showing signs of improper installation or tampering will not qualify for refund 
In case an incorrect item is delivered customers are advised to send us picture so we can rectify and send you a replacement or a refund

Communication with buyers:

In case you have an issue with your order just let us know and our team is highly efficient in resolving customer issues
Our business hours are Monday to Saturday 07:00 AM to 07:00 PM 
In any case do let us know if you have a problem with your order and we will try our best to resolve your issue that you have before you open a return or leave us any feedback