1968 GMC K25/K2500 Pickup Differentials

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Keep Your 1968 GMC K25/K2500 Pickup in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1968 GMC K25/K2500 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Covers, and Rear Housing Cover Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Driveworks, and Valvoline. For example, National Differentials start at just $9.99 with an average 4.3 star rating. Driveworks and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 9,660 reviews and a solid 4 star average, you can shop with confidence knowing other GMC K25/K2500 Pickup owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1968 GMC K25/K2500 Pickup Differential at Advance Auto Parts is around $193.46, with a range that starts at $2.99 and goes up to $1,141.99. With 237 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil with Posi Additive, 3 Qt – Penzoil 80W90 Conventional Gear Oil, and Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket start at just $7.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1968 GMC K25/K2500 Pickup in peak condition, inside and out.

Essential 1968 GMC K25/K2500 Pickup Differentials

Yukon Gear – Dana 44 Complete Shim Kit Replacement (Part No.55021)

Dana 44 Complete Shim Kit Replacement

from

$51.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:
  • Complete shim kit for Dana Spicer 44
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Yukon Gear – Zip Locker Front Switch Cover (Part No.34009)

Zip Locker Front Switch Cover

from

$7.99
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 select ability.

Product Features:
  • Cover for switch
  • Front
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Motive Gear – Differential Bearing Kit – Koyo (Part No.RA28LR)

Differential Bearing Kit - Koyo

from

$112.99
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:
  • DANA-44 MED BRG & SEAL KIT 1968-UP
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Richmond Gear – Differential Gear Install Kit (Part No.83-1034-B)

Differential Gear Install Kit

from

$59.99
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.
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National – Tapered Roller Bearing Cone (Part No.02872)

Tapered Roller Bearing Cone

from

$24.79
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 – 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 and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

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.
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Pro-King – Differential Cover Gasket (Part No.743B303)

Differential Cover Gasket

from

$3.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
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Yukon Gear – Replacement Oil Baffle for Dana 44 (Part No.33000)

Replacement Oil Baffle for Dana 44

from

$6.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Oil baffle for Dana Spicer 44
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Yukon Gear – Standard Open Carrier Case, GM 10.5" 14 Bolt Truck, 4.10 & Down (Part No.20100)

Standard Open Carrier Case, GM 10.5" 14 Bolt Truck, 4.10 & Down

from

$729.99
ABS carrier case exciter ring (tone ring) with 108 teeth for 8.8″ Ford.

Product Features:
  • Standard open carrier case
  • Fits GM 10.5″ 14 bolt truck
  • 4.10 and down ratio only
  • Does not include spider gears
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Yukon Gear – Bearing Race Driver for GM 10.5", 14-Bolt Truck Differential (Part No.56009)

Bearing Race Driver for GM 10.5", 14-Bolt Truck Differential

from

$188.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • For GM 10.5″, 14-Bolt Truck Differential
  • All steel construction
  • Fits 382A race
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Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

Tapered Roller Bearing

from

$7.99
Product Features:
  • Brand may vary by location
See More

Yukon Gear – Power Lok Button Kit for Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

Power Lok Button Kit for Dana 30, Dana 44 & Chrysler 8.75"

from

$67.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Power Lok button kit
  • Fits Dana Spicer 30, 44 and Chrysler 8.75″
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Yukon Gear – Chrome Cover for 10.5" GM 14 Bolt Truck (Part No.32013)

Chrome Cover for 10.5" GM 14 Bolt Truck

from

$59.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Chrome
See More

Yukon Gear – Dura Grip Spider Gear Set for Dana 44 Differential with 30 Spline Axles (Part No.16168)

Dura Grip Spider Gear Set for Dana 44 Differential with 30 Spline Axles

from

$399.99
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.

Product Features:
  • Spider gear kit
  • Fits Dana Spicer 44 with Dura Grip positraction
  • Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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Yukon Gear – Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And U-Bolts (Part No.32279)

Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And U-Bolts

from

$234.99
Yukon replacement trail repair kit for Dana 30 and 44 with 1310 size U/joint and u-bolts. This kit comes with a yoke, U/joint, pinion seal, U/bolt or strap kit, pinion nut, and pinion nut washer (if applicable).

Product Features:
  • Fits Dana Spicer 30 and 44
  • 1310 u-joint size
  • Kit includes yoke, U-joint, pinion seal, pinion nut and washer, U-bolts and threadlocker
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Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$7.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Yukon Gear – Dana 44 Pinion Gear Thrust Washer (Part No.33281)

Dana 44 Pinion Gear Thrust Washer

from

$4.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Pinion gear thrust washer for Dana Spicer 44, GM 8.2″ and 1955-1964 GM passenger car
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Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6095-1)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$9.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

from

$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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Yukon Gear – 14T GM Pinion Support Bolt, 7/16-14" Long (Part No.33582)

14T GM Pinion Support Bolt, 7/16-14" Long

from

$5.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Pinion Depth Shims for GM HO72 (Part No.55005)

Pinion Depth Shims for GM HO72

from

$40.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:
  • Pinion depth shim kit
  • Fits GM HO72
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National – Bearing Race (Part No.HM803110)

Bearing Race

from

$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways 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
See More

Driveworks – Tapered Roller Bearing (Part No.S-2872)

Tapered Roller Bearing

from

$23.49
Product Features:
  • Brand may vary by location
See More

Motive Gear – Ring Gear Bolt (Part No.331421)

Ring Gear Bolt

from

$9.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application.
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Yukon Gear – Replacement Clutch Set for Dana 44 Power Lok, Aggressive (Part No.16151)

Replacement Clutch Set for Dana 44 Power Lok, Aggressive

from

$232.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs.

Product Features:
  • Clutch kit
  • Fits Dana Spicer 44 and Chrysler 8.75″ Power Lok
  • Aggressive design
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Yukon Gear – Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P (Part No.33234)

Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P

from

$26.99
Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:
  • Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
  • Left hand thread
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Yukon Gear – Replacement Cross Pin Shaft for Dana 44, Standard Open (Part No.33318)

Replacement Cross Pin Shaft for Dana 44, Standard Open

from

$16.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Cross pin shaft for Dana Spicer 44
  • Fits standard open differentials only
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USA Standard Gear – Differential Cross Pin (Part No.17017)

Differential Cross Pin

from

$46.99
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. Side shims included.

Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Dana Spicer 44
  • Works with Spartan Locker or standard open spider gears
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Popular 1968 GMC K25/K2500 Pickup Differentials Categories

Most Popular Differential Oil for 1968 GMC K25/K2500 Pickups

Enhance your 1968 GMC K25/K2500 Pickup with one of the 6 Differential Oil we have in stock, starting at just $12.49.

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.49
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
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Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil with Posi Additive

from

$57.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil with Positraction Additive - 4 Quarts

from

$148.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Best-Selling 1968 GMC K25/K2500 Pickup Differential Covers

Upgrade your K25/K2500 Pickup with one of our 6 best-selling Differential Covers.

Yukon Gear – Replacement Chrome Cover for Dana 44 (Part No.32004)

Replacement Chrome Cover for Dana 44

from

$67.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • Chrome
See More

Yukon Gear – Steel Cover for GM 10.5" 14 Bolt Truck (Part No.32345)

Steel Cover for GM 10.5" 14 Bolt Truck

from

$92.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Steel
See More

Yukon Gear – Chrome Cover for 10.5" GM 14 Bolt Truck (Part No.32013)

Chrome Cover for 10.5" GM 14 Bolt Truck

from

$59.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Chrome
See More

Yukon Gear – Steel Cover for Dana 44 Standard Rotation (Part No.32319)

Steel Cover for Dana 44 Standard Rotation

from

$129.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • Steel
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Yukon Gear – Aluminum Girdle replacement Cover for Dana 44 TA HD (Part No.32110)

Aluminum Girdle replacement Cover for Dana 44 TA HD

from

$359.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • Aluminum girdle cover
See More

Yukon Gear – Differential (Part No.29101)

Differential

from

$271.99
Differential

Top-Quality Rear Housing Cover Gaskets for 1968 GMC K25/K2500 Pickups

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for GMC K25/K2500 Pickups and enjoy top-notch performance from $7.99.

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$7.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Top Picks for 1968 GMC K25/K2500 Pickup Differential Bearings

Invest in one of our 6 durable Differential Bearings for your 1968 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

$10.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Bearing Race (Part No.28622)

Bearing Race

from

$17.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways 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
See More

National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

$21.99
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
See More

National – Bearing Race (Part No.382S)

Bearing Race

from

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

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways 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
See More

National – Tapered Roller Bearing Cone (Part No.25577)

Tapered Roller Bearing Cone

from

$32.99
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
See More

National – Bearing Race (Part No.25523)

Bearing Race

from

$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways 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
See More

Rear Differential Cover Gaskets for 1968 GMC K25/K2500 Pickups

Make a smart move for your 1968 GMC K25/K2500 Pickup with products all priced from $9.99 to $34.99.

Yukon Gear – GM 10.5′ 14 Bolt Truck Cover Gasket (Part No.23016)

GM 10.5' 14 Bolt Truck Cover Gasket

from

$13.99
14T cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 10.5″ 14 bolt truck
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Spicer – Performance Differential Gasket – Gm 10.5 Axle – 14 Bolt (Part No.RD51995)

Performance Differential Gasket - Gm 10.5 Axle - 14 Bolt

from

$34.99
Spicer performance differential cover gaskets offer all-makes coverage for street, strip, drag, and off-road applications. These gaskets are reusable offering a clean release during replacement. Built with a mechanically and chemically bonder woven steel.

Product Features:
  • Made to adhere without messy RTV sealant This saves on install time by eliminating the time needed for RTV cure.
  • Provides no re-torque design with maximum compression and sealing.
  • Manufactured with proprietary high-density performance material.
  • Made in the USA.
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Yukon Gear – Dana 44 Cover Gasket Replacement (Part No.23006)

Dana 44 Cover Gasket Replacement

from

$12.99
Conversion bearing for small bearing Ford 9″ axle in large bearing housing.

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

Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

Differential Cover Gasket

from

$9.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications.
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Top-Rated Differential Brands For Your 1968 GMC K25/K2500 Pickup

When it comes to finding the perfect Differential for your 1968 GMC K25/K2500 Pickup, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including Valvoline, National, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $6.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1968 GMC K25/K2500 Pickup, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1968 GMC K25/K2500 Pickup Differentials

If you’re looking for a top-quality Differential for your 1968 GMC K25/K2500 Pickup, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1968 GMC K25/K2500 Pickup come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality National 1968 GMC K25/K2500 Pickup Differentials

For those in search of a high-quality Differential for their 1968 GMC K25/K2500 Pickup, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $9.99, with an average price of $23.16, giving you a range of options to suit your budget. Backed by over 10 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Bearings
from $9.99
(8)
Bearings
“It fits in Ford. I drove only few hundred miles can’t say much about it.”
Bearing Race
from $17.49
(1)
Bearing Race
“I needed them quick an as inexpensive as possible. It was a great buy and experience I would do it again”
Shaft Repair Sleeve
from $41.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”

FAQs for 1968 GMC K25/K2500 Pickup Differentials

What are the best-selling Differentials for 1968 GMC K25/K2500 Pickups?

Out of 237 Differentials that fit 1968 GMC K25/K2500 Pickups, the following parts are the top sellers:

What’s the price range for 1968 GMC K25/K2500 Pickup Differentials?

The prices of Differentials for the 1968 GMC K25/K2500 Pickup range from $2.99 up to $1,141.99 for the most premium parts.

What is the average price of a Differential for a 1968 GMC K25/K2500 Pickup?

The average price for Differentials for the 1968 GMC K25/K2500 Pickup is $193.46. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other GMC K25/K2500 Pickup model years?

Yes, we carry Differentials for 6 model years of GMC K25/K2500 Pickups between 1967 and 1974. The following model years are the most popular for Differential purchases: 1974, 1973, 1972, 1971, 1970, 1969, and 1967.

What are the cheapest Differentials for my 1968 GMC K25/K2500 Pickup?

The cheapest 1968 GMC K25/K2500 Pickup Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1968 GMC models?

What types of Differentials do you sell for my 1968 GMC K25/K2500 Pickup?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1968 GMC K25/K2500 Pickup:

Can I get help with 1968 GMC K25/K2500 Pickup Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Differentials and more.

What is your return policy for GMC K25/K2500 Pickup Differentials?

Advance Auto Parts keeps returns simple. For new GMC K25/K2500 Pickup Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.