9.25" GMC Front Differential Carrier Assembly Factory Rebuilt! We ship worldwide!

Automotive Parts Warehouse and Installation Repair Center serving Metropolitan Minneapolis,

MN area.

Running the incorrect ring and pinion differential ratio can cost you a lot of money! Leaking fluid or noise coming from the differential can cost you a lot of money! Supply the parts to your mechanic and save money!7.25 front

We offer a range of differential carrier assemblies (center sections) for GMC 9.25". Rear end parts are available for the popular 9.25" rear end for the following models: Sierra 1500, 2500, K1500, K2500, 2500 Yukon, 2500 Yukon XL.

Check application listing to ensure that you have identified the correct front differenital carrier assembly. To find the correct front differential assembly for your application look for the RPO code on the driver side door, match up with RPO found in the table below.

Long life, guaranteed performance, quiet running ring and pinion gears:

  • CNC start to finish
  • Central contact pattern
  • Solid shank pinion shaft
  • Computer controlled heat treating
  • 8620 Steel
  • Strict quality control
  • Easier Setup Superior Strength
  • Warrantied for 12 months 12,000 miles from date of purchase material.

chrysler dodge 7.25" ring and pinion setWhy you might want to change your ring and pinion ratio.

Illustrated in the image to the left is a complete ring and pinion set plus a master bearing overhaul kit that includes pinion bearing, pinion seal, carrier bearings, shim kit plus an internal kit for open differential that includes spider and side gears plus thrust washers and cross shaft. If you need better traction (for mud, snow or off road performance) Positractions unit are also available.


Below you will find a table with the detailed part information if you have any questions and would like to talk to an expert call toll free 1-800-444-0755.

Year Type Ring Gear Gear Ratio RPO Description Part # Price Core
Sierra 1500, K1500 Pickup        
01-07 4WD 9.25 3.73 GT4 w/Crew Cab, 8 lug wheel, BZ5, FC9, KB5, BKN6, ULI, UMI, UNO, UN6, XN7 UFD1005C $1,242.60
01-07 4WD 9.25 4.1 GT5 W/Crew Cab, 8 lug wheel, BZ6, UL4, UM2, UN2, UN7, XN8 UFD1006C
GMC Sierra 2500/3500 & K2500/3500
11-13 4WD 9.25 3.73 GT4 Includes Denali, AABU, BK3 UFD1020C $1,915.38
11-13 4WD 9.25 4.1 GT5 Includes Denali, AABW, BK4 UFD1021C $1,915.38
89-10 4WD 9.25 4.1 GT5 BZ6, KB6, UL4, UM2, UN2, UN7, XN8 UFD1006C $1,242.60
89-10 4WD 9.25 3.73 GT4 BZ5, FC9, KB5, ULI, UL6, UM1, UN0, UN6, XN7 UFD1005C $1,242.60
89-00 4WD 9.25 3.42 GU6   UFD1004C $1,242.60
97-00 4WD 9.25 4.56 HC4   UFD1015C $1,242.60
89-97 4WD 9.25 4.56 HC4   UFD1015C $1,242.60
GMC 2500 Yukon
00-06 4WD 9.25 4.1 GT5 BZ6, KB6, UL4, UM2, UN2, UN7, XN8 UFD1006C $1,242.60
00-06 4WD 9.25 3.73 GT4 BZ5, FC9, KB5, UL6, UM1, UN0, UN6, XN7 UFD1005C $1,242.60
GMC Yukon XL 2500
00-07 4WD 9.25 4.1 GT5 BZ6, KB6, UL4, UM2, UN2, UN7, XN8 UFD1006C $1,242.60
00-13 4WD 9.25 3.73 GT4 BZ5, FC9, KB5, UL6, UM1, UN0, UN6, XN7 UFD1005C $1,242.60


Shipping charges will be added, $25.00 minimum order including freight.

Our Service Center provides mechanic services of skilled and trained mechanics to assist in keeping your vehicle in top running order. We have 3 bays service/installation and offer guaranteed workmanship and parts we can change your GMC 9.25" Front Differential. Walk-ins are welcomed and in most cases we offer same day service. Trying to determine what front differential parts you need or having problems diagnosing your vehicles performance we offer Free Technical support and test drives to assist you, call toll free 1-800-444-0755.