1971 GMC G25/G2500 Van Drivetrains

Essential 1971 GMC G25/G2500 Van Drivetrains

USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential with HD Posi or Locker (Part No.37057)

Master Overhaul Kit for the GM 8.5 Differential with HD Posi or Locker

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$208.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits GM 8.5″ rear with aftermarket positraction
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
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Pro-King – Differential Axle Seal (Part No.742G074)

Differential Axle Seal

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$4.49
Pro-King High Quality Differential Products are designed for trouble free installation and setup.
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Yukon Gear – Pinion Install Kit For GM 8.5" Differential (Part No.13069)

Pinion Install Kit For GM 8.5" Differential

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$173.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits GM 8.5″ rear
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Polished Aluminum Cover For GM 12 Bolt Truck (Part No.32027)

Polished Aluminum Cover For GM 12 Bolt Truck

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$269.99
Polished aluminum cover for 12T GM.

Product Features:
  • Fits GM 12 bolt truck
  • Finned polished aluminum
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Yukon Gear – GM 12 Bolt Truck Crush Sleeve (Part No.33105)

GM 12 Bolt Truck Crush Sleeve

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$11.99
GM 12 bolt truck crush sleeve, 2.350″ long.

Product Features:
  • Crush sleeve for GM 12 bolt truck
  • 2.350″ tall
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Yukon Gear – Positraction Pinion Gear Thrust Washer With Step-Lip Inside For GM 12P And 12T – Fits New Eatons (Part No.33382)

Positraction Pinion Gear Thrust Washer With Step-Lip Inside For GM 12P And 12T - Fits New Eatons

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$14.99
Positraction pinion gear thrust washer with step-lip inside for GM 12P and 12T. fits new Eatons.

Product Features:
  • Pinion gear thust washer for GM 12 bolt passenger car and truck
  • Fits positraction designs only
  • Has inside lip
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Spicer – Universal Joint (Part No.5-153X)

Universal Joint

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$28.99
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.
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Yukon Gear – Yoke For GM 12 Bolt Car & Truck, 1310 U/Joint Size, U-Bolt Design (Part No.41085)

Yoke For GM 12 Bolt Car & Truck, 1310 U/Joint Size, U-Bolt Design

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$198.99
Yukon yoke for GM 12 bolt car & truck, 1310 u/joint size, u-bolt design. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 12 bolt passenger car and truck
  • 30 spline
  • 1310 u-joint size
  • 3.219″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • U-bolt style
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Yukon Gear – Carrier Installation Kit For GM 8.5" Differential With HD Bearings (Part No.57009)

Carrier Installation Kit For GM 8.5" Differential With HD Bearings

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$148.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.5″ differential with HD bearings for large journal carrier. This kit contains carrier bearings, races and shims. This kit is used in 8.5″ differentials using a Yukon Dura Grip, Eaton posi, ValueTrac, True Trac, Pro-Series Auburn, Detroit Locker or standard carrier with large bearing journals.

Product Features:
  • Fits GM 8.5″ with aftermarket positraction
  • Works with Heavy Duty Bearings
  • Includes carrier bearings and races and “super” carrier shim kit
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National – Multi Purpose Bearing (Part No.HB-88107-A)

Multi Purpose Bearing

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$44.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

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

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

Differential Cover Gasket

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$9.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

8.2" & 8.5" Rear Cover Gasket

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$10.99
8.2″ & 8.5″ rear cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 8.2″, 8.5″ and 8.6″
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Motive Gear – Differential Pinion Seal (Part No.8460N)

Differential Pinion Seal

from

$8.29
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Star Washer For GM 12 Bolt Posi Cross Pin Bolt (Part No.33348)

Star Washer For GM 12 Bolt Posi Cross Pin Bolt

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$5.99
Star washer for GM 12 bolt posi cross pin bolt.

Product Features:
  • Star washer
  • Fits GM 12 bolt passenger car
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Yukon Gear – 14 Plate Duragrip Composite Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16064)

14 Plate Duragrip Composite Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

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$373.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 14 piece kit
  • Composite clutches
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Pro-King – Differential Cover Plug (Part No.742G484)

Differential Cover Plug

from

$6.59
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Pro-King – Differential Cross Shaft (Part No.742G930)

Differential Cross Shaft

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$2.79
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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USA Standard Gear – Bearing Kit For GM 12 Bolt Truck (Part No.58045)

Bearing Kit For GM 12 Bolt Truck

from

$179.99
This kit uses Koyo bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. USA Standard Gear does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.

Product Features:
  • Fits GM 12 bolt truck
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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National – Bearings (Part No.2720)

Bearings

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$12.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • 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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National – Bearings (Part No.A-6)

Bearings

from

$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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USA Standard Gear – Standard Spider Gear Set For GM 8.5", 30 Spline (Part No.39027)

Standard Spider Gear Set For GM 8.5", 30 Spline

from

$214.99
Product Features:
  • Spider gear kit
  • Fits GM 8.5″ 30 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Pro-King – Differential Pinion Shim Kit (Part No.742G202)

Differential Pinion Shim Kit

from

$5.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Dana 44, 8.2", 12P, 12T, Vet, And Model 20 U-Bolts (Part No.41198)

Dana 44, 8.2", 12P, 12T, Vet, And Model 20 U-Bolts

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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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Yukon Gear – Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles (Part No.26016)

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

from

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

Product Features:
  • Fits GM 8.5″ and 8.6″ with 30 spline axles
  • 2.73 ratio and up only
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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National – Multi Purpose Seal (Part No.5200)

Multi Purpose Seal

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$12.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

from

$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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Yukon Gear – Chrome Moly Cross Pin Shaft For Mini-Spool For GM 12 Bolt Car And Truck (Part No.32236)

Chrome Moly Cross Pin Shaft For Mini-Spool For GM 12 Bolt Car And Truck

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$61.99
Chrome Moly cross pin shaft for Mini-Spool for GM 12P and 12T HD.

Product Features:
  • Hardened cross pin shaft
  • Fits GM 12 bolt passenger car and truck
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Popular 1971 GMC G25/G2500 Van Drivetrains Categories

1971 GMC G25/G2500 Van Drivetrains

You count on your 1971 GMC G25/G2500 Van to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Drivetrains. With 225 Drivetrains ranging in price from $1.99 to $1,674.99, you’re sure to find everything you need for your 1971 GMC G25/G2500 Van.

Brands matter. If you want to shop a specific Drivetrains brand, we stock 17 different brands like Moog, Valvoline, and National. 1971 GMC G25/G2500 Van Drivetrains start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Drivetrains is by asking professionals. Short of that, you can shop with confidence thanks to our 10,030 extensive product reviews on 1971 GMC G25/G2500 Van Drivetrains. Some of the top-rated Drivetrains products we carry are Greaseable Super Strength Universal Joint with 4.2 stars and Bearings with 4.2 stars.

Did we mention you can order your Drivetrains from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Drivetrains inventory for your 1971 GMC G25/G2500 Van below to get started!

Top-Rated Drivetrains Brands For Your 1971 GMC G25/G2500 Van

Trusted Drivetrains OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1971 GMC G25/G2500 Van running right for years to come. In our inventory you’ll find brands like Moog, Valvoline, National, and even more.

Popular Valvoline Drivetrains

You’ll find popular Valvoline brand products across Differentials. All are waiting to get your 1971 GMC G25/G2500 Van back on the road. Some of the top-rated Valvoline products in these categories are:

FAQs for 1971 GMC G25/G2500 Van Drivetrains

What are the most purchased Drivetrains for the 1971 GMC G25/G2500 Van?

Out of 225 Drivetrains for the 1971 GMC G25/G2500 Van, the most popular in our inventory are:
Greaseable Premium Universal Joint
from $26.99
(89)
Greaseable Premium Universal Joint
U-Joints
Greaseable Premium Universal Joint
from $19.99
(82)
Greaseable Premium Universal Joint
U-Joints
Universal Joint
from $15.99
(33)
Universal Joint
U-Joints

What are the top-rated 1971 GMC G25/G2500 Van Drivetrains?

Top-rated Drivetrains for your 1971 GMC G25/G2500 Van based on customer reviews/ratings are:
Greaseable Super Strength Universal Joint
from $34.99
(48)
Greaseable Super Strength Universal Joint
“Moog and advanced auto got me out of a bad situation with an amazing part ( u”
Bearings
from $16.99
(39)
Bearings
“Perfect fit. Make sure you get your bearings completely filled with grease when reassembling your hubs.”
Greaseable Super Strength Universal Joint
from $32.99
(37)
Greaseable Super Strength Universal Joint
“grease fitting I like location dont like needle design to grease should be regular design fitting”