1973 GMC K25/K2500 Pickup Differentials

Essential 1973 GMC K25/K2500 Pickup Differentials

Yukon Gear – Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles (Part No.16005)

Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles

from

$503.99
Yukon Power Lok positraction replacement internals for Dana 44 and Chysler 8.75″ with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
  • Includes two side gears, four pinion gears, cross pin shafts and side gear thrust washers.
See More

Yukon Gear – Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement (Part No.33012)

Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement

from

$6.99
Product Features:
  • Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50
See More

Yukon Gear – Front 4340 Chrome-Moly Replacement Axle Kit For ’69-’80 GM Truck And Blazer (Part No.21414)

Front 4340 Chrome-Moly Replacement Axle Kit For '69-'80 GM Truck And Blazer

from

$1497.99
Yukon front 4340 Chrome-Moly replacement axle kit for ’69-’80 GM truck and Blazer, Dana 44 with 19/30 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Yukon Superjoints. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • 30 spline inner and 19 spline outer
  • Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
  • Includes inner and outer 4340 Chromoly axles and Yukon Super Joints
See More

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

Motive Gear – Differential Pinion Shim Kit (Part No.1113)

Differential Pinion Shim Kit

from

$15.99


Product Features:
  • PINION SHIM – DANA 44
See More

Yukon Gear – Dana 44 Cover Gasket Replacement (Part No.23006)

Dana 44 Cover Gasket Replacement

from

$12.99
Product Features:
  • Cover gasket
  • Fits Dana Spicer 44
See More

Yukon Gear – Dura Grip For Dana 44, 30 Spline, 3.73 & Down (Part No.26026)

Dura Grip For Dana 44, 30 Spline, 3.73 & Down

from

$869.99
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.

Product Features:
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.73 ratio and down 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
See More

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
See More

Motive Gear – Differential Pinion Shim Kit (Part No.1114)

Differential Pinion Shim Kit

from

$6.99


Product Features:
  • D30 PRE-LOAD SPACER (SHIM PACK)
See More

Yukon Gear – Dana 44 Carrier Installation Kit Replacement (Part No.57003)

Dana 44 Carrier Installation Kit Replacement

from

$128.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 44 differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits Dana Spicer 44
  • Includes carrier bearings and races and carrier shim kit
See More

Yukon Gear – 20 Long Air Line For Zip Locker (Part No.34002)

20 Long Air Line For Zip Locker

from

$29.99
20 long air line for Zip Locker.

Product Features:
  • Air line
  • 20′ in length
See More

Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Smooth (Part No.16152)

Replacement Clutch Set For Dana 44 Powr Lok, Smooth

from

$177.99
Product Features:
  • Clutch kit
  • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
  • Smooth design
See More

Powertrax – Lock Right Locker (Part No.1910-LR)

Lock Right Locker

from

$376.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!
  • See More

    National – Bearings (Part No.206)

    Bearings

    from

    $25.49
    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
    • Controlled heat treating process for lasting performance and extended bearing life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Motive Gear – Differential Carrier (Part No.6258340)

    Differential Carrier

    from

    $205.99


    Product Features:
    • GM10.5″ 14 BOLT OPEN EMPTY CASE 4:56 & UP
    See More

    Pro-King – Differential Pinion Bearing Retainer (Part No.744A965)

    Differential Pinion Bearing Retainer

    from

    $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.
    See More

    National – Bearings (Part No.387A)

    Bearings

    from

    $22.99
    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
    See More

    Yukon Gear – Zip Locker For Dana 44 With 30 Spline Axles, 3.73 & Down (Part No.34018)

    Zip Locker For Dana 44 With 30 Spline Axles, 3.73 & Down

    from

    $1302.99
    The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

    Product Features:
    • Fits Dana Spicer 44 with 30 spline axles
    • 3.73 and down ratio only
    • Forged case and 8620 internals for added strength
    • Works with a variety of air delivery systems
    • Assembled in the USA
    See More

    Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

    DiffrlPinSupportBolt

    from

    $5.99
    DiffrlPinSupportBolt

    Motive Gear – Differential Gear Install Kit (Part No.D44IK)

    Differential Gear Install Kit

    from

    $61.99


    Product Features:
    • MINI INSTALL KIT DANA 44
    See More

    Yukon Gear – Pinion Install Kit For Dana 44 Differential (Part No.13020)

    Pinion Install Kit For Dana 44 Differential

    from

    $264.99
    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, pinion nut, 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 standard rotation Dana Spicer 44 front
    • Included are pinion bearings and races, pinion seal, complete pinion shim kit, and marking compound with brush.
    See More

    Yukon Gear – Minor Install Kit For Dana 44 Differential (Part No.12017)

    Minor Install Kit For Dana 44 Differential

    from

    $142.99
    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 standard rotation Dana Spicer 44 front
    • Included are a pinion seal, axle seals, complete shim kit, marking compound and brush.
    See More

    Yukon Gear – Yoke For GM 10.5" 14 Bolt Truck, 1350, Strap Style (Part No.41179)

    Yoke For GM 10.5" 14 Bolt Truck, 1350, Strap Style

    from

    $249.99
    Yukon yoke for GM 10.5″ 14 bolt truck, 1350, strap style. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits GM 10.5″ 14 bolt truck
    • 30 spline
    • 1350 u-joint size
    • 3.625″ snap ring span
    • 1.188″ cap diameter
    • Outside snap ring design
    • Strap style
    See More

    Yukon Gear – O-Ring For Toyota & Dana 44 Zip Locker Seal Housing (Part No.34004)

    O-Ring For Toyota & Dana 44 Zip Locker Seal Housing

    from

    $11.29
    Product Features:
    • O-ring for seal housing
    • Fits Dana Spicer 44 and Toyota 8″ and V6
    See More

    Yukon Gear – The Carrier Bearing Puller (Part No.56034)

    The Carrier Bearing Puller

    from

    $689.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
    • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
    See More

    Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

    Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

    from

    $3.99
    Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

    Product Features:
    • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
    See More

    Yukon Gear – Differential (Part No.29101)

    Differential

    from

    $271.99
    Differential

    USA Standard Gear – Steel Spool For Dana 44 With 30 Spline Axles, 3.92 & Up (Part No.59015)

    Steel Spool For Dana 44 With 30 Spline Axles, 3.92 & Up

    from

    $289.99
    Product Features:
    • Fits Chrysler Dana Spicer 44 with 30 spline axles
    • 3.92 and up ratio only
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
    See More

    Popular 1973 GMC K25/K2500 Pickup Differentials Categories

    1973 GMC K25/K2500 Pickup Differentials

    Maybe you’re in the middle of a full rebuild of that 1973 GMC K25/K2500 Pickup. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 255 different Differentials in our inventory ranging from $0.91 to $1,497.99. That means you can find the exact parts or products you need to keep that 1973 GMC K25/K2500 Pickup 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 1973 GMC K25/K2500 Pickup. Valvoline, Yukon Gear, 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 1973 GMC K25/K2500 Pickup, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 7,125 reviews in this category, some of the top rated parts include Oil Seal with 4.3 stars and Taper Bearing Cone with 3.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1973 GMC K25/K2500 Pickup 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 1973 GMC K25/K2500 Pickup Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1973 GMC K25/K2500 Pickup 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 K25/K2500 Pickup 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 1973 GMC K25/K2500 Pickup, our most popular Mr. Gasket Differentials include:
    Differential Gasket
    from $18.09
    (1)
    Differential Gasket
    Rear Differential Cover Gaskets

    FAQs for 1973 GMC K25/K2500 Pickup Differentials

    What are the most purchased Differentials for the 1973 GMC K25/K2500 Pickup?

    Out of 255 Differentials for the 1973 GMC K25/K2500 Pickup, the most popular in our inventory are:
    3 Qt - Penzoil 80W90 Conventional Gear Oil
    from $44.99
    This product is not rated
    3 Qt – Penzoil 80W90 Conventional Gear Oil
    Differential Oil
    Axle Housing Cover Gasket
    from $6.49
    (10)
    Axle Housing Cover Gasket
    Rear Housing Cover Gaskets
    Bearings
    from $9.99
    (8)
    Bearings
    Front Differential Pinion Bearings

    What are the top-rated 1973 GMC K25/K2500 Pickup Differentials?

    Top-rated Differentials for your 1973 GMC K25/K2500 Pickup based on customer reviews/ratings are:
    Oil Seal
    from $10.49
    (3)
    Oil Seal
    “Fit the rear Dana 44 on my TJ just fine and stopped the leaking.”
    Taper Bearing Cone
    from $17.99
    (2)
    Taper Bearing Cone
    “good deal”
    Shaft Repair Sleeve
    from $27.49
    (1)
    Shaft Repair Sleeve
    “Perfect Fit. Product was exactly as described”