1979 GMC C2500 Differentials

Essential 1979 GMC C2500 Differentials

Yukon Gear – GM 9.5" Ring Gear Bolt (Part No.33047)

GM 9.5" Ring Gear Bolt

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$12.99
GM 9.5″ ring gear bolt. 12mm x 1.5.

Product Features:
  • Ring gear bolt for GM 9.2″
  • 12mm x 1.5
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Felpro – Differential Cover Gasket (Part No.RDS 55387)

Differential Cover Gasket

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$7.99
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 – Minor Install Kit For ’89-’98 10.5" GM 14 Bolt Truck Differential (Part No.12046)

Minor Install Kit For '89-'98 10.5" GM 14 Bolt Truck Differential

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$115.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:
  • Fits 1989 and up GM 10.5″ 14 bolt truck
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
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Powertrax – No-Slip Traction System (Part No.9207053000)

No-Slip Traction System

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$591.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Motive Gear – Differential Carrier Gear Kit (Part No.GM9.5BI)

    Differential Carrier Gear Kit

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    $176.99


    Product Features:
    • GM9.5″ INTERNAL KIT (OPEN) 33 SPL. FRONT & REAR
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    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

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    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
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    National – Shaft Repair Sleeve (Part No.99193)

    Shaft Repair Sleeve

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    $43.99
    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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    Motive Gear – Differential Bearing Kit – Koyo (Part No.R10R)

    Differential Bearing Kit - Koyo

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    $101.99
    Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

    Product Features:
    • KIT BRG&SEAL GM 8.5 10BLT NON IFS FRONT / REAR
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    Yukon Gear – Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles (Part No.26016)

    Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles

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    $929.99
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects. This unit has larger bearing journals for added strength & uses heavy-duty carrier bearings & races.

    Product Features:
    • Fits GM 8.5″ and 8.6″ with 30 spline axles
    • 2.73 ratio and up only
    • 4-spring, clutch style positraction
    • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
    • Fully rebuildable
    • Assembled in the USA
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    Pro-King – Differential Internal Nest Kit (Part No.742J717)

    Differential Internal Nest Kit

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    $219.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

    Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

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    $59.99
    Product Features:
    • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
    • Interlocking design makes installation much easier
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    Yukon Gear – Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear (Part No.32030)

    Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear

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    $255.99
    Polished aluminum cover for 8.6″, 8.2″ and 8.5″ GM rear.

    Product Features:
    • Fits GM 8.5″ and 8.6″
    • Finned polished aluminum
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    Yukon Gear – 10.5" GM 14 Bolt Truck Crush Sleeve (Part No.33108)

    10.5" GM 14 Bolt Truck Crush Sleeve

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    $7.99
    10.5″ GM 14 bolt truck crush sleeve, 1988 & OLDER. Approx 0.825″ long.

    Product Features:
    • Crush sleeve for 1988 and down GM 10.5″ 14 bolt truck
    • 0.825″ tall
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    Yukon Gear – Steel Spool For GM 14 Bolt Truck With 30 Spline Axles, 4.10 & Down (Part No.32048)

    Steel Spool For GM 14 Bolt Truck With 30 Spline Axles, 4.10 & Down

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    $539.99
    Yukon Performance steel spool for GM 14T with 30 spline axles. fits 4.10 and down. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits GM 10.5″ 14 bolt truck with 30 spline axles
    • 4.10 and down ratio only or 4.56 and up thick gears
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
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    Yukon Gear – 14T Side Gear Thrust Washer (Part No.33383)

    14T Side Gear Thrust Washer

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    $7.99
    14T side gear Thrust washer.

    Product Features:
    • Side gear thrust washer
    • Fits GM 10.5″ 14 bolt truck
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    Yukon Gear – Eaton-Type 14 Plate Carbon Clutch Set For 9.5" GM And 9.75" Ford (Part No.16058)

    Eaton-Type 14 Plate Carbon Clutch Set For 9.5" GM And 9.75" Ford

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    $362.99
    Eaton-type 14 plate Carbon clutch set for 9.5″ GM and 9.75″ Ford.

    Product Features:
    • Clutch kit
    • Fits GM 9.5″ with Eaton positraction
    • Carbon fiber clutches
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    USA Standard Gear – Ring & Pinion Gear Set For GM 8.5" In A 3.90 Ratio (Part No.36215)

    Ring & Pinion Gear Set For GM 8.5" In A 3.90 Ratio

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    $344.99
    USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

    Product Features:
    • Fits GM 8.5″ and 8.6″
    • 8.50″ ring gear diameter
    • 30 spline pinion
    • 10 ring gear bolts
    • 3.90 ratio
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    Yukon Gear – 30 Spline Standard Open Loaded Carrier Case, GM 8.6" (Part No.20098)

    30 Spline Standard Open Loaded Carrier Case, GM 8.6"

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    $481.99
    GM 8.6″ 30 spline standard open loaded carrier. Complete differential case with internals.

    Product Features:
    • Standard open carrier case and spiders
    • Fits GM 8.6″
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    Yukon Gear – Super Carrier Shim Kit For GM 9.5" (Part No.55003)

    Super Carrier Shim Kit For GM 9.5"

    from

    $29.99
    9.5″ GM differential carrier Supershim kit.

    Product Features:
    • Super carrier shim kit for GM 9.5″
    • Interlocking design makes installation much easier
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    Yukon Gear – Pinion Nut (Part No.33152)

    Pinion Nut

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    $9.99
    Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

    Product Features:
    • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
    • 7/8″ x 14 thread
    • 1 1/4″ socket
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    Yukon Gear – Bearing Race Driver (Part No.56011)

    Bearing Race Driver

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    $215.99
    Bearing race driver for Dana 60 front, Dana 70U rear, Chrysler 8.75″ with 42 housing, and ’88 and older GM 14T. No return.

    Product Features:
    • Bearing race driver
    • Fits HM803110 race
    • All steel construction
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    Yukon Gear – 1541H Alloy 8 Lug Rear Axle For GM 9.5" (Part No.21260)

    1541H Alloy 8 Lug Rear Axle For GM 9.5"

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    $273.99
    Yukon 1541H alloy 8 lug rear axle for GM 9.5″ with a length of 32 inches and 33 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip axle.

    Product Features:
    • Fits 2000 and down GM truck with 9.5″ rear differential
    • 33 spline
    • 32″ long
    • 8 lug
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    Pro-King – Differential Pinion Bearing Retainer (Part No.744A965)

    Differential Pinion Bearing Retainer

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    $73.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Richmond Gear – Differential Spool Bearing Kit (Part No.29-0013-1)

    Differential Spool Bearing Kit

    from

    $58.99
    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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    Motive Gear – Differential Pinion Shim Kit (Part No.1102)

    Differential Pinion Shim Kit

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    $9.49


    Product Features:
    • KIT SHIM PINION
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    Driveworks – Taper Bearing Set (Part No.S-A-38)

    Taper Bearing Set

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    $13.79
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Yukon Gear – Cast Yoke For GM 8.5" With A 1350 U/Joint Size (Part No.41092)

    Cast Yoke For GM 8.5" With A 1350 U/Joint Size

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    $234.99
    Yukon cast yoke for GM 8.5″ with a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits GM 8.5″
    • 30 spline
    • 1350 u-joint size
    • Outside snap ring design
    • 3.625″ snap ring span
    • 1.188″ cap diameter
    • Strap style
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    Motive Gear – Differential Gear Install Kit (Part No.GM9.5IKL)

    Differential Gear Install Kit

    from

    $79.99


    Product Features:
    • MINI INSTALL KIT-GM9.5/CHRY9.25 FRT
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    1979 GMC C2500 Differentials

    Maybe you’re in the middle of a full rebuild of that 1979 GMC C2500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 178 different Differentials in our inventory ranging from $0.91 to $1,566.99. That means you can find the exact parts or products you need to keep that 1979 GMC C2500 running smoothly.

    Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 1979 GMC C2500. Valvoline, FELPRO, and Yukon Gear 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 1979 GMC C2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 264 reviews in this category, some of the top rated parts include Differential Shaft Lock Bolt with 4.0 stars and Differential Ring And Pinion with 5.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1979 GMC C2500 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 1979 GMC C2500 Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1979 GMC C2500 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 C2500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Mr. Gasket Differentials

    We carry Mr. Gasket parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1979 GMC C2500, our most popular Mr. Gasket Differentials include:
    Differential Gasket
    from $18.09
    (1)
    Differential Gasket
    Rear Differential Cover Gaskets

    FAQs for 1979 GMC C2500 Differentials

    What are the most purchased Differentials for the 1979 GMC C2500?

    Out of 178 Differentials for the 1979 GMC C2500, the most popular in our inventory are:
    Differential Cover Gasket
    from $6.79
    (13)
    Differential Cover Gasket
    Rear Differential Cover Gaskets
    3 Qt - 80W90 Conventional Gear Oil With Posi Additive
    from $57.99
    This product is not rated
    3 Qt – 80W90 Conventional Gear Oil With Posi Additive
    Differential Oil
    Bearings
    from $23.99
    (7)
    Bearings
    Front Differential Pinion Bearings

    What are the top-rated 1979 GMC C2500 Differentials?

    Top-rated Differentials for your 1979 GMC C2500 based on customer reviews/ratings are:
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    “great”
    Differential Ring And Pinion
    from $350.99
    (7)
    Differential Ring And Pinion
    “Great spark plugs.”
    Differential Carrier Shim Kit
    from $8.49
    (3)
    Differential Carrier Shim Kit
    “worked great”