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Chevrolet GMC 8.25 Inch IFS Series 800 Front End, Ring & Pinions, Change Ratio Improve Fuel Economy or Improved Towing Power! We ship worldwide!

Automobile Parts Warehouse facility and Installation Mechanic Shop serving Metropolitan Minneapolis MN area. For a complete directory of products and solutions you can expect see www.provenforce.com.

Operating incorrect ring and pinion differential ratio can cost you big money! Free Technical Support!

  • Actual parts may vary, click to see detailes Actual parts may vary, click to see detailes
  • Actual parts may vary, click to see detailes Actual parts may vary, click to see detailes
  • Actual parts may vary, click to see detailes Actual parts may vary, click to see detailes
  • Actual parts may vary, click to see detailes Actual parts may vary, click to see detailes
  • Actual parts may vary, click to see detailes Actual parts may vary, click to see detailes
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Original Equipment (OE) GM 8.25" Front end parts

We offer a wide range of original equipment (OE), premium quality, reliability and satisfaction validated to satisfy OE differential front end repair parts. In addition installation solutions for Chevrolet and GM are available in the Minneapolis metropolitan area. Parts are available for the popular 8.25" IFS front end for the following models: GM Chevrolet 1/2 ton K1500, Silverado, Sierra, Yukon, Denali, Suburban, Escalade and Avalanche. Check specification listing to insure that you have identified the correct front end.

Long life, Chevrolet GM 8.25" IFS front end warranted performance, silent operating 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.

AL AA

Illustration is provided to assist you in getting the correct parts the first time we have provided a detail parts drawing, need help just give us a call.

See detailed product line listings below that includes: rebuilt-differentials ring and pinion sets, bearing overhaul kits, pinion parts, cases/carrier, axles and small parts. Why you might want to change your ring and pinion ratio. All pats listed below are OE unless noted. Additional note: Both front and rear end ratio's must be the same.

General Motors & Chevrolet 8.25" IFS Series 800 Front End Differential Specifications

General Motors Chevrolet & GMC 1988 to 1998      

gm colorado rear end parts

POWER UP! With lower ratio your get better off the line and towing power performance or install a higher gear ratio set to get better gas mileage.

GEAR UP TO MEET YOUR REQUIREMENTS!

Specifications

  • 10 Bolt Cover
  • RG Diameter 8.25"
  • 10-7/16" x 20 LH Threaded Bolts
  • Pinion Diameter 1.625" 30 Splines
  • No Case Break

Remember both front and rear gear ratios need to be the same!

GM Chevrolet 8.25" Front End IFS Series 800 Parts

Year Application O.E. Number   Description Part Number
Your Cost
Rebuilt Differential
Rebuilt Front End Differential 4WD GMIFS-342
$750.00
GMIFS-373
$750.00
GMIFS-410
$750.00
Rebuilt Front End Differential AWD GMIFS-342AWD
$850.00
GMIFS-373AWD
$850.00
GMIFS-410AWD
$850.00
Core Deposit on above Units
$300.00
Ring and Pinion Gear Sets
1988+ 4WD 19257736 Ring and Pinion Gear Set (3.42 Ratio; 2 Cut) AA40093541
$266.67
1988+ 4WD & AWD 19257737 Ring and Pinion Gear Set (3.73 Ratio; 2 Cut) AA40093540
$266.67
1988+ 4WD & AWD 19259449 Ring and Pinion Gear Set (4.10 Ratio; 2 Cut) AA40095196
$231.17
After Market
Ring and Pinion Gear Set 4.11 MWG885411IFS
$182.92
After Market
Ring and Pinion Gear Set 4.30 MWGM10-430IFS
$222.92
After Market
Ring and Pinion Gear Set 4.56 MWGM10-456IFS
$182.92
After Market
Ring and Pinion Gear Set 4.88 MWG885488IFS
$182.92
Bearing Kit
1988+ Silverado, Sierra, Yukon, Denali, Suburban, Escalade, Avalanche. Bearing Kit AA74067004
$105.65
Install Kit AA74010006
$126.81
Master Bearing Kit combine above two kits AA74067004AA74010006
$232.46
Pinion Parts
1988+ Pinion Seal Kit, Seal, Crush Sleeve, Nut & Washer AA74020006
$14.73
1999+ 4WD & AWD 9783762 Prevailing Torque Pinion Nut AA74003762
$1.72
1988+ 4WD & AWD 517900 Pinion Nut Washer AA74007900
$0.96
1988+ 4WD & AWD 88967207 Pinion Yoke (1344 U-Joint; 4 Footed) AA40025925
$59.96
1997+ 4WD & AWD 12471590 Pinion Seal AA40007712
$6.17
Case Carriers
1988+ 4WD & AWD 15801501 Diff. Open Case (Without Internals) 3.42 Ratio + AA26018131
$75.00
2007+ 4WD GMT900 Diff. Open Case (With Internals) 3.08 Ratio AA40038013
Call
1999+ 4WD GMT800/900 Diff. Open Case (With Internals) 3.42 Ratio + AA26067130
$66.67
1988+ AWD GMT800/900 Diff. Open Case (with Internals) 3.42 Ratio + AA40003245
Call
1988+ Internal Parts Kit Spider/Side Gears, Thrust Washer, Cross Shaft   AA74045936
$108.18
Axle Parts
1997+ 4WD & AWD 26058813 Axle Shaft - Left Hand (129 mm; 28 Tooth; 6 Bolt) AA74028813
$70.17
1988+ 4WD & AWD 26056600 Axle Shaft Retaining Ring AA74006600
$1.97
1997-03 4WD GMT800 26058832 Axle Shaft - Right Hand (371 mm; 28 Tooth; 6 Bolt) AA74028832
$83.33
2004+ 4WD GMT800 19153230 Axle Shaft - Right Hand (392 mm; 28 Tooth; 6 Bolt) AA40037800
$78.33
Small Parts
1988+ 4WD & AWD 1234726 Collapsible Spacer AA74004726
$1.97
1997+ 4WD & AWD 15801507 Output Seal AA40038875
$6.90
1988+ 4WD & AWD 14066913 Ring Gear Bolt AA74006913
$1.93
1988+ 4WD & AWD 26066885 Roller Bearing ASM AA74006885
$7.07
\ 4WD & AWD 15801507 Output Seal AA40038875
$6.90

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

Our Support Center provides auto mechanic services of experienced and trained technicians to assist in keeping your vehicle in prime running order. We have 3 bays service/installation and offer guaranteed craftsmanship and parts we can change your Chevrolet General Motors GM 8.25" IFS ring and pinion for you personally. Walk-ins are welcomed and in most cases we provide one day service. Trying to figure out what Dode or Chrysler ring and pinion ratio or differential parts you need or having issues figuring out your vehicles performance we provide Free Tech support team and test drives to assist you.

Series 800 GM 8.25 Front Axle parts illustration

gm 8.25 IFS differential parts