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1999 GMC Sierra 1500
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Price Match Guarantee
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Lifetime Replacement
1999 GMC Sierra 1500

1999 GMC Sierra 1500 Differentials

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Differential - Sold individually
AC Delco®
Differential - Sold individually
Part Number: AC84554713
Guaranteed to Fit
$592.49
Vehicle Fitment
  • 1999 GMC Sierra 1500 SLE All Engines 2-Door, Standard Cab Pickup, Power Brake System, With Front Disc Brake, With Rear Disc Brake, Positraction L/Slip R/Axl(G80), 7,200 Lb Vacuum Power Brakes, 8.50/8.625 Ring Gear Saginaw-American Axle, 10 Bolt Diff, Rear Axle
  • 1999 GMC Sierra 1500 SL All Engines 3-Door, Extended Cab Pickup, Power Brake System, With Front Disc Brake, With Rear Disc Brake, Positraction L/Slip R/Axl(G80), 7,200 Lb Vacuum Power Brakes, 8.50/8.625 Ring Gear Saginaw-American Axle, 10 Bolt Diff, Rear Axle
  • 1999 GMC Sierra 1500 SLT All Engines 3-Door, Extended Cab Pickup, Power Brake System, With Front Disc Brake, With Rear Disc Brake, Positraction L/Slip R/Axl(G80), 7,200 Lb Vacuum Power Brakes, 8.50/8.625 Ring Gear Saginaw-American Axle, 10 Bolt Diff, Rear Axle
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

OE Solutions Series Differential - Direct Fit, Sold individually
Dorman®
OE Solutions Series Differential - Direct Fit, Sold individually
Part Number: RB697391
Guaranteed to Fit
$740.99
Vehicle Fitment
  • 1999 GMC Sierra 1500 SLE 6 Cyl 4.3L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SL 8 Cyl 5.3L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SLT 8 Cyl 5.3L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SLE 8 Cyl 5.3L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SL 6 Cyl 4.3L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SLE 8 Cyl 4.8L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SL 8 Cyl 4.8L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SLT 6 Cyl 4.3L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
  • 1999 GMC Sierra 1500 SLT 8 Cyl 4.8L 4WD, With Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio)
Product Details
Location : FrontCondition : NewWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesProduct Fit : Direct Fit
Air Locker Series Differential - Universal, Sold individually
ARB®
Air Locker Series Differential - Universal, Sold individually
Part Number: ARBRD105
Universal Fit
$1,091.00
Product Details
Condition : NewWarranty : 5-year, unlimited-mileage ARB limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Air Locker SeriesProduct Fit : Universal
Air Locker Series Differential - Universal, Sold individually
ARB®
Air Locker Series Differential - Universal, Sold individually
Part Number: ARBRD104
Universal Fit
$1,091.00
Product Details
Condition : NewWarranty : 5-year, unlimited-mileage ARB limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Air Locker SeriesProduct Fit : Universal
Page 1 of 1 | Showing 1 - 4 of 4 results

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Product Questions & Answers

Dorman OE Solutions Series Differential - Direct Fit, Sold individually
$740.99
Q:Is the gearing 3.42?
Chipp
A:BEST ANSWERHi Shane, I'm glad to assist you. Yes. As noted in the fitment details (4WD, with Rpo Code Gt4 (3.73 Axle Ratio), Gt5 (4.10 Axle Ratio), Gu6 (3.42 Axle Ratio). It is a guaranteed fit part if your truck appears in the vehicle fitment information below (after selecting the year, make, model, submodel, and engine size). Grab our discounted offer and click the link below to buy it today. Happy shopping! https://www.carparts.com/differential/dorman/rb697391?can=cpje1043_CSQA_20240914 Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >
ARB Air Locker Series Differential - Universal, Sold individually
$1091
Q:Will this fit a 1993 Dodge b250 van?
Darius F.
A:BEST ANSWERHi Darius, thank you for reaching out. If your 1993 Dodge B250 van has a Dana 35 differential, then yes. This item is running out fast, and we have just a few remaining. Take advantage of the limited stocks for this item. Click this link to order this kit: https://www.carparts.com/differential/arb/arbrd105?can=CPAP3648_CSQA_20240312 I hope this helps. Happy shopping. Show less
Aldrin P.
 
2 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

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What Is a Powertrain Malfunction?The powertrain refers to the assembly that propels a vehicle forward. It’s usually composed of the engine, transmission, driveshaft, axles, and differential. Engine
Your Car Maintenance Checklist for Long-Lasting Performance
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Electronic Limited Slip Differential: A Brief Guide
Electronic Limited Slip Differential: A Brief GuideThe term electronic indicates the use of electronic devices to monitor, regulate, and run the system. If the control module detects that one of the wheels is slipping because the wheel is spinning too fast, the computer will engage the limited slip differential’s mechanisms automatically. Limited Slip
What Are Hypoid Gears?
What Are Hypoid Gears?A hypoid gear is a type of spiral bevel gear that transfers power and distributes torque. In a hypoid gear set, the pinion enters the ring gear circle either above or below the center line. In a hypoid gear set, the pinion enters the ring gear circle either above or below
Humming Noise in the Car That Gets Louder With Speed: Common Causes, Fixes, and Prevention
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What is a Transaxle on a Car?
What is a Transaxle on a Car?The transaxle is typically between the drive wheels, meaning you’ll have to raise the vehicle with jack stands to access it. A hybrid vehicle transaxle, which contains two high voltage electric motors and a planetary gearset. | Image Source: Richard McCuistian Can You Drive with a Bad Transaxle?