2001-2007 GMC Sierra 3500 Rear Differential Axle Narrow Frame 3.73 GT4 G80 Posi

Description

This 2001-2007 GMC Sierra 3500 Rear Differential Axle is a used part removed from a 2003 GMC Sierra 3500 narrow frame cab and chassis truck. Please note, this is NOT from a pickup truck, and the axle is designed specifically for a narrow frame application.

The axle features a 3.73 gear ratio with a Positraction limited slip differential, making it ideal for trucks that require smooth power distribution to both wheels in slippery conditions. The axle also carries the GT4 and G80 axle codes, confirming its performance specifications.

This rear differential is a great option for restoring or upgrading your GMC Sierra 3500 narrow frame truck. It offers excellent durability, traction, and handling, making it suitable for heavy-duty and commercial use.

Key Features:

• Gear Ratio: 3.73
• Positraction: Limited slip
• Axle Codes: GT4 (gear ratio), G80 (limited slip)
• Condition: Used, fully functional
• Compatibility: Fits 2001-2007 GMC Sierra 3500 narrow frame cab and chassis trucks (NOT pickup trucks)

Important Notes:

• Electronics (e.g., ECMs, radios) may require programming from a dealership. Truck Flow LLC does not offer programming services.
• No returns on electronic items. Please ensure you follow diagnostic steps before purchasing to avoid non-refundable purchases.

Freight Shipping:

• Available to Lower 48 States Only
• Price is for commercial addresses with loading dock or forklift access.
• Additional $250 charge for residential/life gate services.

Warranty:

• 14-day warranty from the date the item is received.
• Warranty applies only to the original purchaser and is void if part is not installed by a certified mechanic.
• No labor warranty. Warranty covers manufacturing defects in the axle only, not accessories or additional parts.

Returns:

• Returns are accepted within 14 days, subject to Truck Flow LLC approval. A 25% restocking fee may apply.

Please Note:

• This is a stock photo. The part you receive will be in similar or better condition.
• Delivery time is typically 5-10 business days for USPS or UPS; freight shipping may take longer.

FITMENT SECTION

• 2001–2007 GMC Sierra 3500 Narrow Frame (Cab and Chassis)