1981 GMC C2500 Differentials

Essential 1981 GMC C2500 Differentials

Pro-King – Differential Bearing Cone (Part No.742G255)

Differential Bearing Cone

from

$19.79
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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Motive Gear – Differential Carrier (Part No.6258340)

Differential Carrier

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$205.99


Product Features:
  • GM10.5″ 14 BOLT OPEN EMPTY CASE 4:56 & UP
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Yukon Gear – Dura Grip Positraction For GM 9.5" With 33 Spline Axles (Part No.26025)

Dura Grip Positraction For GM 9.5" With 33 Spline Axles

from

$1025.00
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.

Product Features:
  • Fits GM 9.5″
  • 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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Yukon Gear – 10.5" GM 14 Bolt Truck Ring Gear Bolt (Part No.33050)

10.5" GM 14 Bolt Truck Ring Gear Bolt

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$11.99
10.5″ GM 14 bolt truck ring gear bolt 4.56 & up. 9/16″ x 18. 2.522″ overall length.

Product Features:
  • Ring gear bolt for GM 10.5″ 14 bolt truck
  • 4.56 and up ratio
  • 1/2″ x 18 thread
  • 2.522″ overall length
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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"

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$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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Motive Gear – Differential Gear Install Kit (Part No.GM9.5IK)

Differential Gear Install Kit

from

$58.49


Product Features:
  • MINI-INSTLTN KT-9 1/2″ GM
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National – Taper Bearing Cone (Part No.LM501349)

Taper Bearing Cone

from

$17.99
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Yukon Gear – Pinion Install Kit For ’97 & Down GM 9.5" Differential (Part No.13075)

Pinion Install Kit For '97 & Down GM 9.5" Differential

from

$319.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits 1997 and down GM 9.5″
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Bearing Install Kit For ’89-’97 10.5" GM 14 Bolt Truck Differential (Part No.11057)

Bearing Install Kit For '89-'97 10.5" GM 14 Bolt Truck Differential

from

$559.99
Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.

Product Features:
  • Fits 1989-1997 GM 10.5″ 14 bolt truck
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, pilot bearing, marking compound and brush.
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USA Standard Gear – Standard Spider Gear Set For 33 Spline GM 9.5" And Pre ’06 GM 9.25IFS (Part No.39029)

Standard Spider Gear Set For 33 Spline GM 9.5" And Pre '06 GM 9.25IFS

from

$214.99
Product Features:
  • Spider gear kit
  • Fits GM 9.5″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Motive Gear – Differential Crush Sleeve (Part No.14012691)

Differential Crush Sleeve

from

$2.99


Product Features:
  • CRUSH SLEEVE 9.5 GM 14BLT MIN ORDER 1000
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Pro-King – Differential Internal Nest Kit (Part No.743B717)

Differential Internal Nest Kit

from

$221.99
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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Felpro – Differential Cover G (Part No.J7018977707FEL)

Differential Cover G

from

$8.28
Differential Cover G

Motive Gear – Differential Carrier Gear Kit (Part No.GM9.5BI)

Differential Carrier Gear Kit

from

$176.99


Product Features:
  • GM9.5″ INTERNAL KIT (OPEN) 33 SPL. FRONT & REAR
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Felpro – Differential Cover Gasket (Part No.RDS 55063)

Differential Cover Gasket

from

$6.79
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 – DiffrlPinSupportBolt (Part No.33582)

DiffrlPinSupportBolt

from

$5.99
DiffrlPinSupportBolt

Motive Gear – Differential Ring and Pinion (Part No.GM9.5-456)

Differential Ring and Pinion

from

$235.99


Product Features:
  • GM 14BL 9.5 R/P 4.56 MG
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Powertrax – No-Slip Traction System (Part No.9207883005)

No-Slip Traction System

from

$551.99
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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    Yukon Gear – Bearing Race Driver (Part No.56011)

    Bearing Race Driver

    from

    $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 – Pilot Bearing For 10.5" 14 Bolt Truck, 2.050" O.D. (Part No.18041)

    Pilot Bearing For 10.5" 14 Bolt Truck, 2.050" O.D.

    from

    $57.99
    Pilot bearing for 10.5″ 14 bolt truck, 2.050″ O.D.

    Product Features:
    • Pilot bearing
    • Fits GM 10.5″ 14 bolt truck
    • 2.050″ O.D.
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    Yukon Gear – Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5" (Part No.16112)

    Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5"

    from

    $304.99
    Yukon 1480 Lifetime Series U/Joint. 4.188″ snap ring span, 1.375″ cap diameter. Outside snap ring.

    Product Features:
    • Clutch kit
    • Fits GM 10.5″ 14 bolt truck with Eaton positraction
    • Carbon fiber clutches
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    Yukon Gear – Steel Cover For GM 8.2" & 8.5" Rear (Part No.32332)

    Steel Cover For GM 8.2" & 8.5" Rear

    from

    $123.99
    Product Features:
    • Fits GM 8.2″, 8.5″ and 8.6″
    • Steel
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    Yukon Gear – Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS (Part No.33342)

    Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS

    from

    $23.99
    Product Features:
    • Cross pin bolt
    • Fits GM 9.5″ and 9.25″ IFS
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    Pro-King – Differential Pinion Nut (Part No.744A961)

    Differential Pinion Nut

    from

    $10.49
    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.
    See More

    National – Bearings (Part No.HM804810)

    Bearings

    from

    $28.99
    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 – 8.6" GM Standard Open Side Gear Thrust Washer (Part No.33386)

    8.6" GM Standard Open Side Gear Thrust Washer

    from

    $4.99
    8.6″ GM standard Open side gear Thrust washer.

    Product Features:
    • Side gear thrust washer
    • Fits GM 8.6″
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    USA Standard Gear – Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17041)

    Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

    from

    $649.99
    The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

    Product Features:
    • Fits GM 18.5″ with 30 spline axles
    • Made from 9310 steel for added strength
    • Replaces the spiders in a standard carrier case
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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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    1981 GMC C2500 Differentials

    Maybe you’re in the middle of a full rebuild of that 1981 GMC C2500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 191 different Differentials in our inventory ranging from $0.91 to $1,110.00. That means you can find the exact parts or products you need to keep that 1981 GMC C2500 running smoothly.

    Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1981 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 1981 GMC C2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 3,048 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 5.0 stars and Differential Carrier Gear Kit with 3.7 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1981 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 1981 GMC C2500 Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 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 1981 GMC C2500, our most popular Mr. Gasket Differentials include:
    Differential Gasket
    from $18.09
    (1)
    Differential Gasket
    Rear Differential Cover Gaskets

    FAQs for 1981 GMC C2500 Differentials

    What are the most purchased Differentials for the 1981 GMC C2500?

    Out of 191 Differentials for the 1981 GMC C2500, the most popular in our inventory are:
    Differential Cover Gasket
    from $6.79
    (13)
    Differential Cover Gasket
    Rear Differential Cover Gaskets
    Differential Cover Gasket
    from $7.99
    (20)
    Differential Cover Gasket
    Rear Housing Cover Gaskets
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    Differential Pinion Shaft Lock Bolts

    What are the top-rated 1981 GMC C2500 Differentials?

    Top-rated Differentials for your 1981 GMC C2500 based on customer reviews/ratings are:
    Differential Ring And Pinion
    from $350.99
    (7)
    Differential Ring And Pinion
    “Great spark plugs.”
    Differential Carrier Gear Kit
    from $176.99
    (3)
    Differential Carrier Gear Kit
    “worked perfect great quality”
    Differential Carrier Shim Kit
    from $8.49
    (3)
    Differential Carrier Shim Kit
    “worked great”