1966 GMC I1000 Transfer Cases

Keep Your 1966 GMC I1000 in Top Shape with Quality Transfer Cases

Whether you’re repairing or upgrading your Transfer Case, using high-quality parts is key to keeping your 1966 GMC I1000 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Mounting Adapter Seals, Input Shaft Bearings, and Transfer Case Output Shaft Bearings. 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 Transfer Cases from Trusted Brands

Looking for a reliable Transfer Case? We’ve got you covered with options from brands you know and trust like National and DriveWorks. For example, National Transfer Cases start at just $36.49 with an average 4.3 star rating. DriveWorks offer similar pricing and quality, backed by strong customer feedback. With over 4 reviews and a solid 5 star average, you can shop with confidence knowing other GMC I1000 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 GMC I1000 Transfer Case at Advance Auto Parts is around $22.45, with a range that starts at $4.99 and goes up to $46.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Shaft Repair Sleeve, Taper Bearing Cone, and Shaft Repair Sleeve start at just $11.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Transfer Case, don’t forget to check out other key components like Differentials and Drive Shafts and Axles. At Advance Auto Parts, we’re here to help you keep your 1966 GMC I1000 in peak condition, inside and out.

Essential 1966 GMC I1000 Transfer Cases

Driveworks – Oil Seal (Part No.S-9613S)

Oil Seal

from

$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Driveworks – Taper Bearing Cone (Part No.S-M-88048)

Taper Bearing Cone

from

$11.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Shaft Repair Sleeve (Part No.99176)

Shaft Repair Sleeve

from

$46.99
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
See More

National – Shaft Repair Sleeve (Part No.99187)

Shaft Repair Sleeve

from

$36.49
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
See More

National – Multi-Purpose Seal (Part No.470898)

Multi-Purpose Seal

from

$12.49
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
See More

Most Popular Mounting Adapter Seal for 1966 GMC I1000s

Enhance your 1966 GMC I1000 with this popular Mounting Adapter Seal we have in stock, for $4.99.

Driveworks – Oil Seal (Part No.S-9613S)

Oil Seal

from

$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Best-Selling 1966 GMC I1000 Input Shaft Bearing

Upgrade your I1000 with our best-selling Input Shaft Bearing.

Driveworks – Taper Bearing Cone (Part No.S-M-88048)

Taper Bearing Cone

from

$11.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Top-Quality Transfer Case Output Shaft Bearings for 1966 GMC I1000s

Choose a high-quality OEM or aftermarket Transfer Case Output Shaft Bearing for GMC I1000s and enjoy top-notch performance from $36.49.

National – Shaft Repair Sleeve (Part No.99187)

Shaft Repair Sleeve

from

$36.49
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
See More

National – Shaft Repair Sleeve (Part No.99176)

Shaft Repair Sleeve

from

$46.99
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
See More

Our Top Pick for a 1966 GMC I1000 Transfer Case Output Shaft Seal

Invest in a durable Transfer Case Output Shaft Seal for your 1966 GMC, knowing you’re getting trusted brands and expert craftsmanship.

National – Multi-Purpose Seal (Part No.470898)

Multi-Purpose Seal

from

$12.49
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
See More

Top-Rated Transfer Case Brands For Your 1966 GMC I1000

When it comes to finding the perfect Transfer Case for your 1966 GMC I1000, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Transfer Case brands including National and DriveWorks, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $4.99. Purchasing a Transfer Case from us here at Advance Auto Parts is a smart move for both you and your 1966 GMC I1000, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1966 GMC I1000 Transfer Cases

If you’re looking for a top-quality Transfer Case for your 1966 GMC I1000, Advance Auto Parts has exactly what you need with our selection of National Transfer Cases. We have 1 National Transfer Cases in stock for this fitment, all known for their durability and precision fit. With prices starting at just $36.49, you’ll find the perfect Transfer Case for your needs and budget. National Transfer Cases for the 1966 GMC I1000 come highly rated, with over 1 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Transfer Case from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Shaft Repair Sleeve
from $36.49
(1)
Shaft Repair Sleeve
“Fixed my Ford F-150 4.2. Fit well and installation tool seated the sleeve exactly where it needed to be. Super easy to use and covered the grooved s”

Top-Quality DriveWorks 1966 GMC I1000 Transfer Cases

For those in search of a high-quality Transfer Case for their 1966 GMC I1000, Advance Auto Parts offers a great selection of DriveWorks Transfer Cases. With 1 DriveWorks Transfer Cases in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Transfer Cases start at just $4.99, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.3 stars, DriveWorks Transfer Cases provide both reliability and excellent performance. Choosing a DriveWorks Transfer Case from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Oil Seal
from $4.99
(3)
Oil Seal
“Good part, cheap price”

FAQs for 1966 GMC I1000 Transfer Cases

What are the best-selling Transfer Cases for 1966 GMC I1000s?

Out of 5 Transfer Cases that fit 1966 GMC I1000s, the following parts are the top sellers:

What’s the price range for 1966 GMC I1000 Transfer Cases?

The prices of Transfer Cases for the 1966 GMC I1000 range from $4.99 up to $46.99 for the most premium parts.

What is the average price of a Transfer Case for a 1966 GMC I1000?

The average price for Transfer Cases for the 1966 GMC I1000 is $22.45. Keep in mind the variety of part types within our Transfer Case category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Transfer Cases for my 1966 GMC I1000?

The cheapest 1966 GMC I1000 Transfer Cases we carry are:

Does Advance Auto Parts sell Transfer Cases for any other 1966 GMC models?

Yes. We stock Transfer Cases for 19 other popular 1966 GMC models. Some of the most popular are 1966 K15/K1500 Pickup Transfer Cases, 1966 Suburban Transfer Cases, 1966 G1000 Series Transfer Cases, 1966 PB1000 Series Transfer Cases, and 1966 I1500 Transfer Cases.

What are the top-rated Transfer Cases that fit the 1966 GMC I1000?

Based on 4 reviews by customers, our 1966 GMC I1000 Transfer Cases have an average customer rating of 5 stars. These are the highest-rated categories of Transfer Cases for the 1966 GMC I1000 and their top-rated products:

What types of Transfer Cases do you sell for my 1966 GMC I1000?

As of 11/2/25, these are some of the most in-demand types of Transfer Cases for a 1966 GMC I1000:

Can I get help with 1966 GMC I1000 Transfer Case orders?

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

What is your return policy for GMC I1000 Transfer Cases?

Advance Auto Parts keeps returns simple. For new GMC I1000 Transfer Cases and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.