1973 GMC K25/K2500 Pickup Drivetrains

Below you will find various in-demand GMC Drivetrains, components and accessories for your 1973 K25/K2500 Pickup. Advance Auto Parts has popular K25/K2500 Pickup parts like 4WD Components, Drive Shafts and Axles, Transfer Cases and more. You’ll also find aftermarket and OEM Drivetrains for other K25/K2500 Pickup model years including 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1974 and more. Select a category of 1973 GMC K25/K2500 Pickup Drivetrains below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 1973 GMC K25/K2500 Pickup Drivetrains Categories

Differential Oil

Axle Shaft Universal Joints

U-Joints

4WD Hubs

Rear Differential Cover Gaskets

Miscellaneous CV and U-Joint Parts

Drive Shaft Center Supports

Differential Open Unit and Components

Differential Covers

Center Support Bearings

U-Joint Strap Kits

Differential Pinion Shaft Lock Bolts

Drive and Prop Shaft Assemblies

Differential Bearings

Differential Axle Shafts

Axle Shaft Seals

Drive Shaft Slip Yoke Sleeves

Differential Pinion Pilot Bearings

Axle Spindle Seals

U-Joint Centering Yokes

Differential Cover Bolts

Input Shaft Pilot Bearings

Axle Shaft Bearings

Transfer Case Output Shaft Seals

Differential Carriers

Differential Bearing Kits

Input Shaft Bearings

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Axle Spindle Bearings

Axle Flange Gaskets

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Stub Axles

U-Joint U-Bolt Kits

Differential Cases

Differential End Yokes

Spindle Lock Nuts

Differential Lock Assemblies

Axle Spindles

Differential Air System Seal Housings

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Transfer Case Output Shaft Bearings

Differential Pinion Bearing Kits

Transfer Case Differential Bearings

Drive Shaft Seals

Differential Seals

Axle Shaft Lock C-Clips

Bearing and Seal Overhaul Kits

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

Differential Carrier Bearing Shims

Axle U-Bolt Kits

Input Shaft Seals

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Mounting Adapter Seals

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Axle Shaft Snap Rings

Spindle Washers

Axle Shaft Bolts

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Universal Joint Strap Bolts

Differential Clutch Pack Clips

Differential Lock Thrust Blocks

Axle Pinion Repair Sleeves

Universal Joint Snap Rings

Drive Shaft Flanges

Essential Drivetrains for 1973 GMC K25/K2500 Pickups

from

$12.99

Dana 30 & Dana 44 roll PIN, 0.235″ DIA, for cross pin shaft.

Product Features:

Roll pin for Dana Spicer 30 and Dana Spicer 44
0.235″ diameter

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$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

from

$71.99

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:

Machined bodies to meet the tight tolerances
Forged and cast material to meet the performance requirement
Minimize the flash lines for less interference
Cleaning process induces compressive strength for increased performance
Machined and threaded holes for mounting ease
Rust preventative added for longer shelf life

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$7.99

Product Features:

Outer stub thrust washer
Fits Dana Spicer 30 and 44

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$182.99

Replacement redi-sleeve yoke saver for Dana 25, Dana 27, Dana 30, Dana 44, Dana 50 .Yukon Mighty seal.

Product Features:

Pinion Redi-sleeve
Fits Dana Spicer 25, 27, 30, 4 and 50

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$5.79

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

from

$5.99

Product Features:

Floater roll pin
Fits Dana Spicer 44 and Chrysler 8.75″
Powr Lok positraction only

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$149.99

Yukon replacement standard open carrier case for Dana 44, 3.92 & up, 2-3/8″ tall.

Product Features:

Standard open carrier case
Fits Dana Spicer 44 with 30 spline axles
3.92 and up ratio only
Does not include spider gears

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$51.99

Product Features:

Journal cross is engineered with a solid cold-formed body to ensure better wear and overall strength.
Bearing cups are heat treated for strength; precision-ground and case-hardened for durability.
Multi-lip seal keeps grease in and contaminants out, and gets maximum retention in a wider range of environments.
Thrust washers eliminate metal-to-metal contact, prevent wear and lower the overall operating temperature.

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$26.99

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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$21.49

Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

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$5.99

AxleHubBolt

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$15.49

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

from

$6.99

Product Features:

Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50

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$13.99

Inner front disco replacement seal for 4WD Dana 44, Dana 60, and 8.5″ straight axle.Yukon Mighty seal.

Product Features:

Inner front axle seal
Fits Dodge disconnect front with Dana Spicer 44 or 60, reverse rotation Dana Spicer 44 and GM 8.5″

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$34.99

1310 U-bolts, 5/16″ x 1-3/8″ Dana 30, Dana 44, 8.2″, 12P, 12T, VET, Model 20.

Product Features:

u-joint u-bolt kit
Fits AMC Model 20, Dana Spicer 30 and 44, GM 8.2″, 12 bolt passenger car and truck and 1963-1979 Corvette
1310 u-joint size
Includes two u-bolts and four nuts

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$204.99

Ultimate in style and service. Latest patented technology. Smooth operation. Limited lifetime warranty. 10 spline, 6 bolts. Chrome.

Product Features:

Ultimate In Style And Service
Latest Patented Technology
Smooth Operation
Limited Lifetime Warranty

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$23.99

Spindle bearing for Dana 44. This replaces Spicer part number 550759.

Product Features:

Spindle bearing
Fits Dana Spicer 44

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$43.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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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$4.99

Dana 28, Dana 30, Model 35-Reverse, Dana 44, Dana 50 INside axle snap ring (next to side gear).

Product Features:

Inner axle snap ring for Dana Spicer 28, 30, 44 and 50
Intalls next to side gear

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$11.99

Replacement ring gear bolt for Model 35, Dana 25, 27, 30 & 44. 3/8″ x 24.

Product Features:

Ring gear bolt for Dana Spicer 25, 27, 30, 44 and AMC Model 35
3/8″ x 24 thread

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$8.99

14T pinion gear Thrust washer.

Product Features:

Pinion gear thrust washer
Fits GM 10.5″ 14 bolt truck

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$12.99

Product Features:

Cover gasket
Fits Dana Spicer 44

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$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

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$11.49

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:

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$9.19

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

Product Features:

Meets or exceeds OE specifications

from

$203.99

Product Features:

Spider gear kit
Fit Dana Spicer 44 open differential with 30 spline axles
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

from

$318.99

Product Features:

Spider gear kit
Fits GM 10.5″ 14 bolt truck open differential
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

Upgrade your 1973 GMC K25/K2500 Pickup with Top-Quality Drivetrains

When it comes to maintaining or upgrading your 1973 GMC K25/K2500 Pickup, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Drivetrains are key to keeping your K25/K2500 Pickup functioning at its best. At Advance Auto Parts, we offer a wide selection of 370 Drivetrains for the 1973 GMC K25/K2500 Pickup, designed to meet your needs without breaking the bank. From 4WD Component replacements to Drive Shafts and Axles upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1973 GMC K25/K2500 Pickup at great prices. Our Drivetrains inventory for this model ranges from just $0.91 to $1,566.99, with an average price of $192.74. Our 370 Drivetrains in stock come from 19 trusted brands, so you’re sure to find the right part for your 1973 GMC K25/K2500 Pickup without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1973 GMC K25/K2500 Pickup, we stock popular OEM and aftermarket Drivetrains from top names like Spicer, National, Driveworks, and more. Spicer Drivetrains start at just $31.99 and boast an impressive 4.6 stars average rating from customers. National and Driveworks also bring quality to the table, with Drivetrains available starting at $6.99, and at an average 4.3 stars rating. With 18,290 customer reviews and counting, our 1973 GMC K25/K2500 Pickup Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1973 GMC K25/K2500 Pickup is always ready to roll. We’re committed to providing you with everything you need to keep your K25/K2500 Pickup in top shape, all in one place. Start shopping confidently below for your 1973 GMC K25/K2500 Pickup!

Best-Selling 4WD Components for 1973 GMC K25/K2500 Pickups

Enhance the driving experience in your GMC with 1 quality 4WD Component components, starting at $204.99.

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$204.99

Ultimate in style and service. Latest patented technology. Smooth operation. Limited lifetime warranty. 10 spline, 6 bolts. Chrome.

Product Features:

Ultimate In Style And Service
Latest Patented Technology
Smooth Operation
Limited Lifetime Warranty

Most Popular 1973 GMC K25/K2500 Pickup Drive Shafts and Axles

Customize your GMC with 34 Drive Shafts and Axles products like Axle Shaft Seals, Axle Shaft Bearings, and Axle Shaft Universal Joints, all priced under $546.99.

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$55.99

When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

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$38.99

You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.

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$40.99

Anchor 6038 Center support bearings support a driveshaft between transmission and differential. This mount relieves stress on driveline components. Each part is engineered and designed to OE Standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

Product Features:

MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
For Years: 1955-2018
Weight approx: 4 Lbs
BEARING ID / BORE: 1.5750 In. / 40 mm
CENTERLINE: 2.48 In. / 63 mm
Mount Width: 6.62 In. / 168 mm
Style: Round Frame
Not Pictured: Two Dust Shields

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$45.99

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

from

$5.79

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

from

$18.99

Design type: spring loaded; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$6.99

This drive axle shaft lock C-clip is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this drive axle shaft lock C-clip matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this clip is a reliable replacement for an original part that is missing or has failed due to fatigue
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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$44.99

OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
Zerk allows for lubricating at regular intervals to help extend the life of the part.

from

$45.99

from

$21.99

Anchor 6056 Center support bearings support a driveshaft between transmission and differential. This mount relieves stress on driveline components. Each part is engineered and designed to OE Standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

Product Features:

MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
For Years: 1955-2018
Weight approx: 3 Lbs
BEARING ID / BORE: 1.3780 In. / 35 mm
CENTERLINE: 2.28 In. / 58 mm
Mount Width: 6.62 In. / 168 mm
Style: Round Frame
Complete Mount

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$13.99

Inner front disco replacement seal for 4WD Dana 44, Dana 60, and 8.5″ straight axle.Yukon Mighty seal.

Product Features:

Inner front axle seal
Fits Dodge disconnect front with Dana Spicer 44 or 60, reverse rotation Dana Spicer 44 and GM 8.5″

from

$13.99

Full-floating axle seal for GM 14T.Yukon Mighty seal.

Product Features:

Rear axle seal
Fits GM 10.5″ 14 bolt truck

from

$13.49

Anchor 6035 Center support bearings support a driveshaft between transmission and differential. This mount relieves stress on driveline components. Each part is engineered and designed to OE Standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

Product Features:

MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
For Years: 1955-2002
Weight approx: 2 Lbs
BEARING ID / BORE: 1.1811 In. / 30 mm
CENTERLINE: 3.50 In. / 89 mm
Mount Width: 1.50 In. / 38 mm
Complete Mount

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$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

from

$299.99

Yukon yoke for GM 10.5″ 14 bolt truck, 1410, strap style. 4.188″ 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
1410 u-joint size
4.188″ snap ring span
1.188″ cap diameter
Outside snap ring design
Strap style

from

$42.99

Product Features:

Brand may vary by location

from

$30.49

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

from

$17.99

Design type: springless; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$5.29

Anchor 6027 Center support bearings support a driveshaft between transmission and differential. This mount relieves stress on driveline components. Each part is engineered and designed to OE Standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

Product Features:

MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
For Years: 1955-2012
Weight approx: 1 Lbs
Cushion insert only
For complete mount see part 6056

from

$4.99

Dana 28, Dana 30, Model 35-Reverse, Dana 44, Dana 50 INside axle snap ring (next to side gear).

Product Features:

Inner axle snap ring for Dana Spicer 28, 30, 44 and 50
Intalls next to side gear

from

$121.99

Yukon replacement yoke for Dana 30, 44, 50, and Dana 300 with 26 spline and a 1310 U/joint size. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. This yoke uses u-bolts. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Dana Spicer 44
26 spline
1310 u-joint size
3.219″ snap ring span
1.062″ cap diameter
Outside snap ring design
U-bolt style

from

$148.99

Yukon 1541H replacement outer stub axle shaft for Dana 44 and 8.5″ GM with a length of 9.94 inches and with 19 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:

Fits Dana Spicer 44 in GM truck and Blazer and Jeep Wagoneer with disc brakes
Outer stub
19 spline
9.94″ from end of splines to center of u-joint bore

from

$546.99

Driveshaft – Front

from

$429.99

Yukon hardcore drive flange kit for Dana 44, 19 spline outer stubs. Non-engraved caps..

Product Features:

Drive flange kit
Fits Dana Spicer 44 with 19 spline outer axles
Includes two drive flanges, two caps and all necessary hardware

Top Picks for 1973 GMC K25/K2500 Pickup Transfer Cases

Upgrade GMC K25/K2500 Pickups with top-quality Transfer Cases parts, including 28 OEM and aftermarket selections for your 1973 model.

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from

$17.99

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
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

from

$12.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$6.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$12.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$8.99

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

from

$30.49

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

from

$37.99

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

from

$7.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$7.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$11.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$43.49

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

from

$20.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$4.99

Product Features:

Design type: spring loaded; single-lip
Temperature range: -40 deg. F to 225 deg. F / -40 deg. C to 107 deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$18.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$43.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

from

$37.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

from

$10.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$8.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$94.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

from

$14.99

Design type: spring loaded; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$244.99

TCaseBrg-SealKit

from

$242.99

TCaseBrg-SealKit

from

$171.99

TCaseBrg-SealKit

from

$149.99

TCaseBrg-SealKit

In-Demand Differentials for 1973 GMC K25/K2500 Pickups

Select from 251 premium Differentials parts for your 1973 GMC K25/K2500 Pickup, with prices ranging from $0.91 to $1,566.99.

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from

$35.99

Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:

Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

from

$12.99

Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.

Product Features:

Formulated for reliable gear protection
Protects against severe temperatures to help extend service life
Formulated with extreme-pressure additives to minimize gear wear from shock loads
Helps protect against gear wear from scuffing, scouring, corrosion and pitting
Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials

from

$13.99

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

from

$43.99

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

from

$22.99

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

from

$21.49

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

from

$7.99

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

from

$23.49

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$168.99

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 LATE TIMKEN MASTER KIT

from

$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

from

$11.99

Replacement ring gear bolt for Model 35, Dana 25, 27, 30 & 44. 3/8″ x 24.

Product Features:

Ring gear bolt for Dana Spicer 25, 27, 30, 44 and AMC Model 35
3/8″ x 24 thread

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

from

$8.99

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
For Trac Loc positraction applications only

from

$7.99

7/16″ TO 3/8″ ring gear bolt spacer sleeve.

Product Features:

Ring gear bolt sleeve
Adapts 7/16″ to 3/8″

from

$117.99

Product Features:

PINION YOKE
CAST:1310
U-BOLT STYLE

from

$15.99

Product Features:

Carrier shim kit for Dana Spicer 30 with 30 spline axles

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

from

$6.99

Pinion nut for Dana Spicer 25, 27, 30, 44, 50 and GM 7.75″
3/4″ x 16 thread

from

$17.99

Replacement pinion seal for Dana 25, Dana 27, Dana 30, D36, Dana 44, & Dana 50 .Yukon Mighty seal.

Product Features:

Pinion seal
Fits Dana Spicer 25, 27, 30, 40 and 50

from

$12.99

Product Features:

KIT SHIM

from

$148.99

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$38.99

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

from

$15.99

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

Most Sold 1973 GMC K25/K2500 Pickup Universal Joints

Explore our best-selling GMC parts for the 1973 K25/K2500 Pickup among 48 OEM and aftermarket options starting from $5.39.

show more show less

from

$31.99

OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
Zerk allows for lubricating at regular intervals to help extend the life of the part.

from

$15.99

Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$35.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on

from

$40.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$55.99

Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$33.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$41.49

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$29.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$37.99

Backed by superior materials and rigorous testing, MOOG Super Strength® universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$31.49

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$41.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on

from

$24.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$5.39

Universal Joint

from

$11.99

For U-Joints 354, 368, 369, 445 & 455
Contains two 1.59″ bolt center clamps and four 5/16-24 x 1-5/16″ cap screws

from

$7.49

This universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:

Direct replacement – this universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$167.99

Machined bodies to meet the tight tolerances
Forged and cast material to meet the performance requirement
Minimize the flash lines for less interference
Cleaning process induces compressive strength for increased performance
Machined and threaded holes for mounting ease
Rust preventative added for longer shelf life

from

$29.99

Product Features:

Adapter sleeve
Fits GM 10.5″ 14 bolt truck and GM 11.5″
Converts to triple lip seal

from

$18.99

1310 & 1330 U/joint strap, Dana 30, Dana 44, Model 35, & 9.25″ w/bolts.

Product Features:

u-joint strap kit
Fits Dana Spicer 30 and 44, AMC Model 35 and Chrysler 9.25″
1310 and 1330 u-joint size
Includes two straps and four bolts

from

$7.49

This universal joint U-bolt kit is designed to match the original components required to repair and resecure universal joints on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:

Direct replacement – this universal joint U-bolt kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$73.99

Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:

Fits standard rotation Dana Spicer 44 TJ Rubicon
8.50″ ring gear diameter
26 spline pinion
10 ring gear bolts
5.13 ratio

from

$44.99

Yukon 1310 U/Joint with zerk fitting on cross. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring.

from

$59.99

Yukon 1310 to 1330 adapter U/Joint. The 1310 side has a 3.219″ span and 1.062″ caps. The 1330 side has a 3.625″ span and 1.062″ caps. Both sides are outside snap ring.

Top-Rated Drivetrains Brands For Your 1973 GMC K25/K2500 Pickup

Shop for the best-rated brands offering Drivetrains and other products for your 1973 GMC K25/K2500 Pickups. Below you’ll find some of our best rated Drivetrains from Spicer, National, and Driveworks, and more. Drivetrains from these brands that fit a 1973 K25/K2500 Pickup start at just $6.99 and are rated as high as 4.6 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

Popular Spicer 1973 GMC K25/K2500 Pickup Drivetrains

When it comes to maintaining or upgrading your 1973 GMC K25/K2500 Pickup, using quality Drivetrains is essential to ensure durability and a perfect fit. Spicer ticks all of those boxes. We offer a wide selection of Spicer Drivetrains, specifically designed for the 1973 GMC K25/K2500 Pickup. With over 3 Spicer brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $31.99, with an average price of just $42.32. Plus, with over 21 customer reviews and an average rating of 4.6 stars, you can trust that our Spicer Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $31.99

(12)

Universal Joint, Greaseable 1310 Series OSR

“No problems with Installation and appears to be quality part! Great for my old School Street Car!”

from $55.99

(7)

Universal Joint

“Nice stub axle u-joint, perfect fit!”

from $38.99

(2)

Universal Joint

“I use this on a 4×4 off-road. It’s always a tough trade-off between the greaseable and non-greasable u-joints. The non-greaseable is stronger. The”

Popular National 1973 GMC K25/K2500 Pickup Drivetrains

National auto parts is one of the highest quality Drivetrain brands in the market. Any 1973 GMC K25/K2500 Pickup owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1973 K25/K2500 Pickup, Advance Auto Parts carries a full inventory of 3 National Drivetrains. Plus you will be keeping your GMC in peak condition while saving money because prices on these National Drivetrains range from $12.99 to $17.99, plus, with more than 15 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.

from $12.99

(2)

Multi-Purpose Seal

“Sealed tbe trams leak perfectly”

from $17.99

(7)

Multi-Purpose Bearing

“National bearings amazingly made in USA. Did the job.”

from $13.99

(6)

Bearing Race

“Fit perfectly. No difficulty replacing my old ones.”

FAQs for 1973 GMC K25/K2500 Pickup Drivetrains

Which Drivetrains are best-sellers for 1973 GMC K25/K2500 Pickups?

Out of 370 Drivetrains that fit 1973 GMC K25/K2500 Pickups, the following parts are the top sellers:

Greaseable Premium Universal Joint (10086900) – $35.99
Greaseable Super Strength Universal Joint (10086947) – $37.99
Universal Joint (10265714) – $15.99

What’s the price range for 1973 GMC K25/K2500 Pickup Drivetrains?

Drivetrain prices for the 1973 GMC K25/K2500 Pickup start at $0.91 and go up to $1,566.99 for the most premium parts.

What’s the average price of a Drivetrain for a 1973 GMC K25/K2500 Pickup?

The average price for Drivetrains for the 1973 GMC K25/K2500 Pickup is $192.74. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

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

Yes, we currently carry Drivetrains for 7 model years of GMC K25/K2500 Pickups between 1966 and 1974. Drivetrains are bought most frequently for the following model years: 1974, 1972, 1971, 1970, 1969, 1968, 1967, and 1966.

What are the cheapest Drivetrains for my 1973 GMC K25/K2500 Pickup?

The cheapest 1973 GMC K25/K2500 Pickup Drivetrains we carry in stock are:

Differential Ring Gear Bolt (10282203) – $0.91
Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (11642796) – $3.99
Differential Cover Gasket (10282461) – $3.99
Multi Purpose Seal (18444966) – $4.99
Dana 44 Pinion Gear Thrust Washer (11642998) – $4.99

What are the top-rated Drivetrains that fit the 1973 GMC K25/K2500 Pickup?

Out of 18,290 reviews by customers, our 1973 GMC K25/K2500 Pickup Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1973 GMC K25/K2500 Pickup and their top-rated products:

4WD Components
- MileMarker Supreme; Manual Hub (3870014) – $204.99
Universal Joints
- MileMarker Supreme; Manual Hub (3870014) – $204.99

What types of Drivetrains do you sell for my 1973 GMC K25/K2500 Pickup?

As of 3/1/26, these are some of the most in-demand types of Drivetrains for a 1973 GMC K25/K2500 Pickup:

Can I get help with 1973 GMC K25/K2500 Pickup Drivetrain orders?

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

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

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

1973 GMC K25/K2500 Pickup Drivetrains

Yukon Gear – Dana 30 / 44 Roll Pin Replacement (Part No.33312)

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

MOOG Driveline Products – Double Cardan CV H Yoke (Part No.647)

Yukon Gear – Outer Stub Thrust Washer For Dana 30 & 44 (Part No.33534)

Yukon Gear – Replacement Redi-Sleeve Yoke Saver For Dana 25, Dana 27, Dana 30, Dana 44, Dana 50 (Part No.30222)

Felpro – Drive Axle Shaft Flange Gasket 8 Bolt Hole Gasket, 2.719 Inch Inside Diameter, 4.438 Inch Outside Diameter (Part No.55350)

Yukon Gear – Replacement Floater Roll Pin For Dana 44 & 8.75" Chrysler Power Lok (Part No.33326)

Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 3.92 & Up (Part No.20028)

Spicer – Axle Shaft Universal Joint, Non-Greaseable, 1310 Series, Wheel Joint ISR (Part No.5-260X)

Richmond Gear – Differential Cross Shaft (Part No.CSPD44)

Mr. Gasket – Differential Gasket (Part No.84B)

Yukon Gear – AxleHubBolt (Part No.33583)

National – Bearing Race (Part No.HM88610)

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

Yukon Gear – Dana 44 / 60 And GM 8.5" Inner Front Disconnect Seal Replacement (Part No.30122)

Yukon Gear – Dana 44, 8.2", 12P, 12T, Vet, And Model 20 U-Bolts (Part No.41198)

Milemarker – MileMarker Supreme; Manual Hub (Part No.104)

Yukon Gear – Spindle Bearing For Dana 44 (Part No.33493)

National – Multi-Purpose Bearing (Part No.307-L)

Yukon Gear – Dana 28, Dana 30, Model 35-Reverse, Dana 44, Dana 50 Inside Axle Snap Ring (Next To Side Gear) (Part No.33268)

Yukon Gear – Replacement Ring Gear Bolt For Model 35, Dana 25, 27, 30 & 44 – 3/8" X 24 (Part No.33038)

Yukon Gear – 14T Pinion Gear Thrust Washer (Part No.33384)

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

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

National – Multi-Purpose Seal (Part No.710005)

Pro-King – Differential Crush Sleeve (Part No.742J034)

USA Standard Gear – Open Spider Gear Set For Dana Spicer 44, 30 Spline (Part No.39006)

USA Standard Gear – Standard Spider Gear Set For GM 10.5" 14 Bolt Truck (Part No.39022)

Milemarker – MileMarker Supreme; Manual Hub (Part No.104)

Spicer – Universal Joint (Part No.5-760X)

Spicer – Universal Joint (Part No.5-1310X)

Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6038)

National – Shaft Repair Sleeve (Part No.99174)

Felpro – Drive Axle Shaft Flange Gasket 8 Bolt Hole Gasket, 2.719 Inch Inside Diameter, 4.438 Inch Outside Diameter (Part No.55350)

National – Multi-Purpose Seal (Part No.5131)

Dorman – Help – Axle Shaft Lock Assortment (Part No.81050)

Spicer – Universal Joint, Greaseable 1350 Series (Part No.5-178X)

Spicer – Universal Joint (Part No.5-1350X)

Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6056)

Yukon Gear – Dana 44 / 60 And GM 8.5" Inner Front Disconnect Seal Replacement (Part No.30122)

Yukon Gear – Full-Floating Axle Seal For GM 14T (Part No.30018)

Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6035)

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

Yukon Gear – Yoke For GM 10.5" 14 Bolt Truck, 1410, Strap Style (Part No.41180)

Driveworks – Drive Shaft Center Support (Part No.S-HB-88107-E)

National – Shaft Repair Sleeve (Part No.99125)

National – Multi-Purpose Seal (Part No.40769S)

Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6027)

Yukon Gear – Dana 28, Dana 30, Model 35-Reverse, Dana 44, Dana 50 Inside Axle Snap Ring (Next To Side Gear) (Part No.33268)

Yukon Gear – Replacement Yoke For Dana 30, 44, 50, And 300 With 26 Spline And A 1310 U/Joint Size (Part No.41018)

Yukon Gear – Dana 44 And GM 8.5" Outer Stub Axle Replacement (Part No.21086)

USA Standard Gear – Driveshaft – Front (Part No.44281)

Yukon Gear – Hardcore Drive Flange Kit For Dana 44, 19 Spline Outer Stubs – Non-Engraved Caps (Part No.29079)

National – Multi-Purpose Bearing (Part No.B-2110)

National – Multi-Purpose Seal (Part No.9449)

Driveworks – Taper Bearing Cup (Part No.S-15245)

National – Multi-Purpose Seal (Part No.5200)

National – Bearing Race (Part No.14276)

National – Shaft Repair Sleeve (Part No.99138)

National – Shaft Repair Sleeve (Part No.99199)

National – Multi-Purpose Seal (Part No.9613S)

Driveworks – Needle Bearing (Part No.S-B-2110)

National – Multi-Purpose Seal (Part No.710005)

National – Tapered Roller Bearing Cone (Part No.2793)

National – Multi-Purpose Seal (Part No.5208)

National – Multi Purpose Seal (Part No.7412S)

National – Multi-Purpose Seal (Part No.473468)

National – Multi-Purpose Bearing (Part No.307-L)

National – Multi-Purpose Bearing (Part No.307)

National – Multi-Purpose Seal (Part No.473204)

National – Multi-Purpose Seal (Part No.471869)

National – Bearings (Part No.N-1211-L)

National – Multi-Purpose Seal (Part No.450185)

USA Standard Gear – TCaseBrg-SealKit (Part No.76163)

USA Standard Gear – TCaseBrg-SealKit (Part No.78653)

USA Standard Gear – TCaseBrg-SealKit (Part No.78297)

USA Standard Gear – TCaseBrg-SealKit (Part No.10134)

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)