1974 GMC Transmode Differentials

Keep Your 1974 GMC Transmode in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1974 GMC Transmode looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Pinion Shaft Bearings, Differential Pinion Pilot Bearings, and Differential Pinion Seals. 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. For example, National Differentials start at just $17.49 with an average 4.3 star rating. With over 40 reviews and a solid 5 star average, you can shop with confidence knowing other GMC Transmode owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1974 GMC Transmode Differential at Advance Auto Parts is around $278.09, with a range that starts at $8.29 and goes up to $1,566.99. With 6 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket, and Bearing Race Driver Set, 21 Piece start at just $8.29 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1974 GMC Transmode in peak condition, inside and out.

Essential 1974 GMC Transmode Differentials

National – Bearings (Part No.A-5)

Bearings

from

$17.49
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
See More

Felpro – Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket (Part No.RDS 30094)

Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket

from

$8.29
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
  • 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
See More

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55034)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$14.29
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
  • 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
See More

Pro-King – Differential Pinion Seal (Part No.743B070A)

Differential Pinion Seal

from

$23.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More

Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

Bearing Race Driver Set, 21 Piece

from

$1566.99
21 Piece bearing race driver set. (Box wt: 140lbs) No return.

Product Features:
  • Bearing race driver set
  • 21 pieces
  • All steel construction
See More

National – Shaft Repair Sleeve (Part No.99199)

Shaft Repair Sleeve

from

$37.99
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:
  • 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
See More

Most Popular Pinion Shaft Bearing for 1974 GMC Transmodes

Enhance your 1974 GMC Transmode with this popular Pinion Shaft Bearing we have in stock, for $17.49.

National – Bearings (Part No.A-5)

Bearings

from

$17.49
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
See More

Best-Selling 1974 GMC Transmode Differential Pinion Pilot Bearing

Upgrade your Transmode with our best-selling Differential Pinion Pilot Bearing with a 5 Starts rating across 1 review.

National – Shaft Repair Sleeve (Part No.99199)

Shaft Repair Sleeve

from

$37.99
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:
  • 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
See More

Top-Quality Differential Pinion Seals for 1974 GMC Transmodes

Choose a high-quality OEM or aftermarket Differential Pinion Seal for GMC Transmodes and enjoy top-notch performance from $23.49.

Pro-King – Differential Pinion Seal (Part No.743B070A)

Differential Pinion Seal

from

$23.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More

Our Top Pick for a 1974 GMC Transmode Bearing Race Driver

Invest in a durable Bearing Race Driver for your 1974 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

Bearing Race Driver Set, 21 Piece

from

$1566.99
21 Piece bearing race driver set. (Box wt: 140lbs) No return.

Product Features:
  • Bearing race driver set
  • 21 pieces
  • All steel construction
See More

Rear Differential Cover Gaskets for 1974 GMC Transmodes

Make a smart move for your 1974 GMC Transmode with products all priced from $8.29 to $14.29.

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55034)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$14.29
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
  • 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
See More

Felpro – Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket (Part No.RDS 30094)

Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket

from

$8.29
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
  • 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
See More

Top-Rated Differential Brands For Your 1974 GMC Transmode

When it comes to finding the perfect Differential for your 1974 GMC Transmode, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Differential brands including National, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $17.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1974 GMC Transmode, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1974 GMC Transmode Differentials

If you’re looking for a top-quality Differential for your 1974 GMC Transmode, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 2 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $17.49 and an average cost of $27.74, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1974 GMC Transmode come highly rated, with over 40 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Shaft Repair Sleeve
from $37.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”
Bearings
from $17.49
(39)
Bearings
“Great bearings”

FAQs for 1974 GMC Transmode Differentials

What are the best-selling Differentials for 1974 GMC Transmodes?

Out of 6 Differentials that fit 1974 GMC Transmodes, the following parts are the top sellers:

What’s the price range for 1974 GMC Transmode Differentials?

The prices of Differentials for the 1974 GMC Transmode range from $8.29 up to $1,566.99 for the most premium parts.

What is the average price of a Differentials Differential for a 1974 GMC Transmode?

The average price for Differentials for the 1974 GMC Transmode is $278.09. 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.

What are the cheapest Differentials for my 1974 GMC Transmode?

The cheapest 1974 GMC Transmode Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1974 GMC models?

What are the top-rated Differentials that fit the 1974 GMC Transmode?

Based on 40 reviews by customers, our 1974 GMC Transmode Differentials have an average customer rating of 5 stars. These are the highest-rated categories of Differentials for the 1974 GMC Transmode and their top-rated products:

What types of Differentials do you sell for my 1974 GMC Transmode?

As of 4/10/25, these are some of the most in-demand types of Differentials for a 1974 GMC Transmode:

Can I get help with 1974 GMC Transmode 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 Transmode Differentials?

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