2014-2018 GMC Sierra 1500 3.42 Ratio OPT GU6 Front Axle Differential Carrier

2014-2018 GMC Sierra 1500 3.42 Ratio OPT GU6 Front Axle Differential Carrier

Used OEM front axle differential carrier with a 3.42 ratio (RPO GU6) for 2014–2018 GM full-size trucks and 2015–2017 SUVs. Match your axle ID if listed.

Fitment: 2014-2018 GMC Sierra 1500 3.42 Ratio OPT GU6 Front Axle Differential Carrier

• 2014–2018 GMC Sierra 1500 and Sierra Denali 1500
• 2014–2018 Chevrolet Silverado 1500
• 2015–2017 GMC Yukon and Yukon XL 1500
• 2015–2017 Chevrolet Tahoe and Suburban 1500
• 2015 Cadillac Escalade and Escalade ESV, 6-speed (MYC)
• All with 3.42 ratio, RPO GU6

Part numbers

• RPO code: GU6 (3.42 ratio)
• Axle IDs (2014–2015): AAAP, BAAM, AACJ, AAAZ, AACU

Condition & notes

• Front differential carrier
• Check your glovebox RPO sticker for GU6
• Genuine OEM, used

Photos