1999 GMC Sonoma Differentials

Essential 1999 GMC Sonoma Differentials

Yukon Gear – 8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer – Also Fits 8.5" Eaton With 0.795" Cross Pin (Part No.33385)

8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer - Also Fits 8.5" Eaton With 0.795" Cross Pin

from

$10.99
8.5″ & 8.6″ GM standard Open pinion gear Thrust washer. also fits 8.5″ Eaton with 0.795″ cross pin.

Product Features:
  • Pinion gear thrust washer for GM 8.5″ and 8.6″
  • Fits standard open differentials only
  • 0.795″ I.D.
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Motive Gear – Differential Ring and Pinion (Part No.GM10-308A)

Differential Ring and Pinion

from

$179.99


Product Features:
  • GM 10BL 8.5 R/P 3.08
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Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

Tapered Roller Bearing

from

$6.79
Product Features:
  • Brand may vary by location
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Yukon Gear – Bearing Race Driver (Part No.56016)

Bearing Race Driver

from

$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM89210 race
  • All steel construction
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Motive Gear – Differential Mini Spool (Part No.MS7.5-28)

Differential Mini Spool

from

$101.99


Product Features:
  • MINI SPOOL GM 7 1/2″ 28 SPLINE
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USA Standard Gear – Pinion Installation Kit For ’82-’99 GM 7.5" & 7.625" (Part No.60010)

Pinion Installation Kit For '82-'99 GM 7.5" & 7.625"

from

$153.99
7.5″ & 7.625″ GM 82-99 PINION KIT .

Product Features:
  • Fits 1982-1999 GM 7.5″ and 7.625″
  • Uses Koyo bearings and races
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Yukon Gear – 7.5 GM Cover Gasket (Part No.23018)

7.5 GM Cover Gasket

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$11.99
7.5 GM cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 7.5″ and 7.625″
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MTC – Differential Drain P (Part No.J7065587755MTC)

Differential Drain P

from

$11.58
Differential Drain P

ATP – DIFF COVER KIT (Part No.111102)

DIFF COVER KIT

from

$29.99
DIFF COVER KIT

Dorman – Help – Pinion Crush Sleeves (Part No.81057)

Pinion Crush Sleeves

from

$5.29
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
  • Required replacement – when servicing the differential
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Yukon Gear – 7.2" Shifter Seal (Part No.30280)

7.2" Shifter Seal

from

$28.99
7.2″ shifter seal.Yukon Mighty seal.

Product Features:
  • Shifter seal
  • Fits GM 7.2″ IFS
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Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)

Differential Cross Shaft

from

$66.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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National – Shaft Repair Sleeve (Part No.99139)

Shaft Repair Sleeve

from

$39.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Yukon Gear – Notched Cross Pin Shaft For 7.5" GM (Part No.33435)

Notched Cross Pin Shaft For 7.5" GM

from

$84.99
Notched cross pin shaft for 7.5″ GM. This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

Product Features:
  • Cross pin shaft
  • Fits GM 7.5″
  • Notched
  • Not compatible with Spartan Lockers or Lock Rights
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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

from

$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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MOOG – Differential Carrier Bushing (Part No.K6572)

Differential Carrier Bushing

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$17.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Manufactured from high quality elastomer compounds for durability and ride performance
  • Assembled with proper precompression for ultimate in performance and feel
  • High level bonding adhesive is used for durability
  • Elastomer compounds do not utilize any reground rubber fillers
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Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Differential Pinion Shim Kit

from

$7.49
High-quality Differential Component Shim

Product Features:
  • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
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Yukon Gear – 14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16041)

14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$404.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 14 piece kit
  • Carbon fiber clutches
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USA Standard Gear – Master Overhaul Kit for the ’82-’99 GM 7.5" and 7.625" Differential (Part No.37049)

Master Overhaul Kit for the '82-'99 GM 7.5" and 7.625" Differential

from

$209.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits 1982-1999 GM 7.5″ and 7.625″
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
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USA Standard Gear – Standard Spider Gear Set For ’00-’06 GM 8.6" (Part No.39028)

Standard Spider Gear Set For '00-'06 GM 8.6"

from

$209.99
10 Bolt open spider gear set for ’00-’06 8.6″ GM with 30 spline axles. Fits case with one large window and one small window. A new carrier case will be needed for ’99 vehicles in order to use this spider gear set. This spider gear set fits casting number

Product Features:
  • Fits 2000-2006 GM 8.6″ with open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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National – Shaft Repair Sleeve (Part No.99152)

Shaft Repair Sleeve

from

$40.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Yukon Gear – Set Up Bearing (Part No.56043)

Set Up Bearing

from

$119.99
HM89249 set-up bearing (one bearing). No return.

Product Features:
  • Set up bearing
  • Fits HM89249 pinion bearing
  • Easily slips on and off pinion journal to allow for pinion depth adjustment
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National – Bearings (Part No.M88010)

Bearings

from

$10.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Master Overhaul Kit For GM 8.5" Differential With Aftermarket Positraction (Part No.14088)

Master Overhaul Kit For GM 8.5" Differential With Aftermarket Positraction

from

$309.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit is used in 8.5″ differentials using a Yukon Dura Grip, Eaton posi, ValueTrac, True Trac, Pro-Series Auburn, Detroit Locker or standard carrier with large bearing journals. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application. Includes Supershims.

Product Features:
  • Fits GM 8.5″ rear with aftermarket positraction
  • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve , thread locker, marking compound with brush, and gasket.
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Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

Differential Cover Gasket

from

$9.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

Posi Spring Kit For GM 7.5", With Preload Plates

from

$153.99
Product Features:
  • Positraction spring kit
  • Fits GM 7.5″ and 7.625″ Dura Grip
  • Includes preload plates
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Yukon Gear – GM 7.2" IFS Ring Gear Bolt (Part No.33048)

GM 7.2" IFS Ring Gear Bolt

from

$7.99
GM 7.2″ IFS Ring Gear bolt. 7/16″ x 20.

Product Features:
  • Ring gear bolt
  • Fits GM 7.2″ IFS
  • 7/16″ x 20
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Yukon Gear – Ring Gear Bolt (Part No.33049)

Ring Gear Bolt

from

$6.99
Ring gear bolt for GM 7.5″, 7.6″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ & 8.6″ IRS. 7/16″ x 20.

Product Features:
  • Ring gear bolt for GM 7.5″, 7.625″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ and 8.6″ IRS
  • 7/16″ x 20
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1999 GMC Sonoma Differentials

Maybe you’re in the middle of a full rebuild of that 1999 GMC Sonoma. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 356 different Differentials in our inventory ranging from $1.99 to $1,839.99. That means you can find the exact parts or products you need to keep that 1999 GMC Sonoma running smoothly.

Differentials are only as good as their brand. We stock 18 different brands to make sure you have plenty of trusted parts to choose from for your 1999 GMC Sonoma. Valvoline, Felpro, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1999 GMC Sonoma, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 3,150 reviews in this category, some of the top rated parts include Rear Differential Cover with 4.5 stars and Bearings with 4.8 stars.

So if you’re in the market for aftermarket Differentials to keep your 1999 GMC Sonoma rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1999 GMC Sonoma Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1999 GMC Sonoma demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Sonoma the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Powertrax Differentials

We carry Powertrax parts in our stock across Differential Open Unit and Components categories, plus more. For a 1999 GMC Sonoma, our most popular Powertrax Differentials include:
Grip LS Traction System
from $503.99
(1)
Grip LS Traction System
Differential Open Unit and Components

FAQs for 1999 GMC Sonoma Differentials

What are the most purchased Differentials for the 1999 GMC Sonoma?

Out of 356 Differentials for the 1999 GMC Sonoma, the most popular in our inventory are:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Housing Cover Gaskets
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
DIFFERENTIAL GASKET
from $7.99
(45)
DIFFERENTIAL GASKET
Rear Differential Cover Gaskets

What are the top-rated 1999 GMC Sonoma Differentials?

Top-rated Differentials for your 1999 GMC Sonoma based on customer reviews/ratings are:
Rear Differential Cover
from $20.99
(38)
Rear Differential Cover
“Looks great, face lift for the rear differential. Old one was rusted & in bad shape. Just remember to get the correct size.”
Bearings
from $16.99
(25)
Bearings
“Fit like it should no issues”
Differential Ring And Pinion
from $342.99
(23)
Differential Ring And Pinion
“So far so good.”