Chevrolet GM 7.25 Front Differential

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Front Differential Carrier Assembly Rebuilt – Remanufacture

Running incorrect ring and pinion differential ratio will set you back a lot of money! Leaking fluid or noise emanating from the front differential is a real problems. Provide the parts to your mechanic and save cash!

Rebuilt GM 7.25 inch Differential carrier assembly are available with two different ring and pinion ratios

We offer a range of differential carrier assemblies (center section) and repair parts for the following vehicles including Chevrolet, and GMC. Front end parts are available for the popular Chevrolet GM 7.25 Front Differential Units” front end for the following models: Express Van, Trailblazer, Envoy, Savana Van. If you would like to save money ask about our good take out parts (GTO), they are inspected and guaranteed. Use our Online shopping cart, just double click the part number and see additional information, add to cart or proceed to check out. If you need more information or cannot find the parts you need give us a call 888-824-2014.

Check application listing to insure that you have identified the correct front differential 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 your vehicles model found in the table below.

GM 7.25 inch Differential carrier assemblies Long life, Guaranteed performance

Our rebuilt front differentials have a great warranty are quiet running and in most case use OE replacement ring and pinion gears that are:

  • 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.

See product line listings that includes: all the GM models that utilize this differential assembly for the ring and pinion rebuild parts kit Chevrolet, and GMC 7.25″ Front End. You may want to take this opportunity to change differential ratio, to better suit your SUV’s application requirements.

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Illustrated in the image to the left are the parts that are replaced during our factory rebuild process including: 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.

Should you choose to rebuild your own 7.25″ GM front differential we offer individual ring and pinion sets and bearing sets to assist you, if you don’t see the parts you need just give us a call at 888-824-2012. To place an order please call the order desk at 888-824-2012 or toll free. Located at 40312 County Blvd 8, Zumbrota, MN 55992.

Chevrolet GM 7.25″ Front End Application Guide

MWT440-1371E

Chevrolet Express Van 1500 / 2500

Year Type Ring Gear Gear Ratio RPO Description ID# Part Number
2012-03 AWD 7.2 3.42 GU6 UN8 UFD1012C 440-01389A
2003-12 AWD 7.2 3.73 GT4 UN9 UFD1013C 440-01389B

Chevrolet Trailblazer / Trailblazer EXT

Year Type Ring Gear Gear Ratio RPO Description ID# Part Number
2002-09 4WD 7.2 3.42 GU6 W/ two mounting holes below and forward of yoke UFD1009C 440-01371D
2003-09 4WD 7.2 3.42 GU6 6 cyl. only W/ single mounting holes below and forward of yoke UFD1028C 440-01371D
2002 4WD 7.2 3.42 GU6 W/ single mounting holes below and forward of yoke UFD1028C 440-01371D
2003-09 4WD 7.2 3.73 GT4 W/ two mounting holes below and forward of yoke UFD1010C 440-01371E
2003-09 4WD 7.2 3.73 GT4 6 cyl. only W/ single mounting holes below and forward of yoke UFD1027C 440-01371E
2002 4WD 7.2 3.73 GT4 W/ single mounting holes below and forward of yoke UFD1027C 440-01371E
2002-09 4WD 7.2 4.1 GT5 W/ two mounting holes below and forward of yoke UFD1011C 440-01371F
2006-09 AWD 7.2 4.1 GT5 SS models W/ two mounting holes below and forward of yoke UFD1011C 440-01371F

GMC Envoy & Envoy XL / XUV

Year Type Ring Gear Gear Ratio RPO Description ID# Part Number
2003-09 4WD 7.2 3.42 GU6 W/ two mounting holes below and forward of yoke UFD1009C 440-01371D
2003-09 4WD 7.2 3.42 GU6 6 cyl. only W/ single mounting holes below and forward of yoke UFD1028C 440-01371D
2005-09 AWD 7.2 3.42 GU6 Denial model W/ two mounting holes below and forward of yoke UFD1009C 440-01371D
2002 4WD 7.2 3.42 GU6 W/ single mounting holes below and forward of yoke UFD1028C 440-01371D
2003-09 4WD 7.2 3.73 GT4 W/ two mounting holes below and forward of yoke UFD1010C 440-01371E
2003-09 4WD 7.2 3.73 GT4 W/ two mounting holes below and forward of yoke UFD1010C 440-01371E
2003-09 4WD 7.2 3.73 GT4 6 cyl. only W/ single mounting holes below and forward of yoke UFD1027C 440-01371E
2002 4WD 7.2 3.73 GT4 W/ single mounting holes below and forward of yoke UFD1027C 440-01371E
2005-09 AWD 7.2 3.73 GT4 Denial model W/ two mounting holes below and forward of yoke UFD1010C 440-01371E
2002-07 4WD 7.2 4.1 GT5 W/ two mounting holes below and forward of yoke UFD1011C 440-01371F
2005-07 AWD 7.2 4.1 GT5 Denial model W/ two mounting holes below and forward of yoke 440-01371F

GMC Savana Van 1500 / 2500

Year Type Ring Gear Gear Ratio RPO Description ID# Part Number
2003-12 AWD 7.2 3.42 GU6 UN8 UFD1012C 440-01389A
2003-12 AWD 7.2 3.73 GT4 UN9 UFD1013C 440-01389B

Ring and Pinion Gear Sets 7.2 inch Front Beam/IFS Front End Parts

Item # Year Application Description Part Number
15 2001+ AWD & 4WD Ring & Pinion Gear Set (3:42 Ratio) OE GM7.25-342
15 2001+ AWD & 4WD Ring & Pinion Gear Set (3:73 Ratio) OE GM7.25-373
15 2001+ AWD & 4WD Ring & Pinion Gear Set (4.10 Ratio) After Market GM7.25-410

Master Bearing Kit

Item # Year Application Description Part Number
1983+ Bearing Kit S10, Sonoma, Blazer,Jimmy, Bravada, Astro, Safari 74067003
Master Bearing Kit R-725B-IFS

Shipping charges will be added, $25.00 minimum order including freight. Trying to determine what Chevrolet and GMC ring and pinion ratio or differential parts you need or having problems diagnosing your vehicles performance we offer Free Technical support to assist you, just call 888-824-2012.

Front DifferentialsDK