1978 GMC G35 Transmission Seals

Keep Your 1978 GMC G35 in Top Shape with Quality Transmission Seals

Whether you’re repairing or upgrading your Transmission Seal, using high-quality parts is key to keeping your 1978 GMC G35 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Dipstick Seals, Transmission Seals and O-rings, and 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 Transmission Seals from Trusted Brands

Looking for a reliable Transmission Seal? We’ve got you covered with options from brands you know and trust like National and Driveworks. For example, National Transmission Seals start at just $9.99 with an average 4.3 star rating. Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 510 reviews and a solid 5 star average, you can shop with confidence knowing other GMC G35 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 GMC G35 Transmission Seal at Advance Auto Parts is around $10.81, with a range that starts at $1.99 and goes up to $41.99. With 25 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Multi Purpose Seal, Shaft Repair Sleeve, and Multi Purpose Seal start at just $9.99 and offer a great balance of form and function.

Find Your Specific 1978 GMC G35 Transmission Seals

Looking for the perfect Transmission Seal for your 1978 GMC G35? You’re in the right place. Below, you’ll find links to various types of Transmission Seals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Transmission Seals, ensuring durability and a precise fit for your GMC G35. Whether you’re driving a 1978 model or another popular model year like 1975, 1976, and 1977, we’ve got you covered. Purchasing Transmission Seals from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Transmission Seals that fit your vehicle.

Essential 1978 GMC G35 Transmission Seals

National – Multi Purpose Seal (Part No.9449)

Multi Purpose Seal

from

$9.99
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
See More

(2 reviews)
View Product

ATP – AT EXT HOUSING SEAL (Part No.HO-9)

AT EXT HOUSING SEAL

from

$10.99
AT EXT HOUSING SEAL
View Product

National – Multi Purpose Seal (Part No.240735)

Multi Purpose Seal

from

$5.99
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
See More
View Product

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

Multi Purpose Seal

from

$14.29
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
See More

(3 reviews)
View Product

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

from

$5.99
AT DPSTK TUBE SEAL

(7 reviews)
View Product

ATP – AT SPEED PINION SEAL (Part No.SO-34)

AT SPEED PINION SEAL

from

$9.99
AT SPEED PINION SEAL
View Product

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-13)

Automatic Transmission Speedometer Pinion Seal

from

$2.79
Product Features:
  • ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
See More
View Product

FAG US – SHAFT SEAL (Part No.SS2571)

SHAFT SEAL

from

$16.79
SHAFT SEAL
View Product

ATP – AT SEAL (Part No.SO-39)

AT SEAL

from

$5.99
AT SEAL
View Product

FAG US – SHAFT SEAL (Part No.SS2114)

SHAFT SEAL

from

$7.49
SHAFT SEAL
View Product

National – Multi Purpose Seal (Part No.8792S)

Multi Purpose Seal

from

$6.99
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
See More

(20 reviews)
View Product

ATP – AT OIL PUMP SEAL (Part No.CO-4)

AT OIL PUMP SEAL

from

$14.99
AT OIL PUMP SEAL
View Product

ATP – AT DETENT CABLE SEAL (Part No.SO-36)

AT DETENT CABLE SEAL

from

$3.99
AT DETENT CABLE SEAL
View Product

ATP – AT SEL SHAFT SEAL (Part No.SO-19)

AT SEL SHAFT SEAL

from

$7.99
AT SEL SHAFT SEAL

(2 reviews)
View Product

National – Shaft Repair Sleeve (Part No.99187)

Shaft Repair Sleeve

from

$41.99
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

(1 reviews)
View Product

National – Multi Purpose Seal (Part No.9316)

Multi Purpose Seal

from

$17.49
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:
  • 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
See More
View Product

Motive Gear – Differential Pinion Seal (Part No.6808N)

Differential Pinion Seal

from

$24.99
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!
See More
View Product

Most Popular Automatic Transmission Dipstick Seal for 1978 GMC G35s

Enhance your 1978 GMC G35 with this popular Automatic Transmission Dipstick Seal we have in stock, for $5.99.
show more show less

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

from

$5.99
AT DPSTK TUBE SEAL

(7 reviews)
View Product

Best-Selling 1978 GMC G35 Transmission Seals and O-rings

Upgrade your G35 with one of our 6 best-selling Transmission Seals and O-rings, earning an average 4.13 stars rating across 19 reviews.
show more show less

National – Multi Purpose Seal (Part No.6712NA)

Multi Purpose Seal

from

$10.49
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:
  • 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
See More

(4 reviews)
View Product

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

Multi Purpose Seal

from

$7.99
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
See More

(8 reviews)
View Product

Driveworks – Oil Seal (Part No.S-9449)

Oil Seal

from

$1.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

(4 reviews)
View Product

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

Multi Purpose Seal

from

$14.29
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
See More

(3 reviews)
View Product

National – Multi Purpose Seal (Part No.240735)

Multi Purpose Seal

from

$5.99
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
See More
View Product

National – Multi Purpose Seal (Part No.410085)

Multi Purpose Seal

from

$13.99
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
See More
View Product

Top-Quality Pinion Seals for 1978 GMC G35s

Choose a high-quality OEM or aftermarket Pinion Seal for GMC G35s and enjoy top-notch performance from $17.49.
show more show less

National – Multi Purpose Seal (Part No.9316)

Multi Purpose Seal

from

$17.49
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:
  • 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
See More
View Product

Motive Gear – Differential Pinion Seal (Part No.6808N)

Differential Pinion Seal

from

$24.99
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!
See More
View Product

Our Top Pick for a 1978 GMC G35 Automatic Transmission Oil Pump Seal

Invest in a durable Automatic Transmission Oil Pump Seal for your 1978 Ford, knowing you’re getting trusted brands and expert craftsmanship.
show more show less

ATP – AT OIL PUMP SEAL (Part No.CO-4)

AT OIL PUMP SEAL

from

$14.99
AT OIL PUMP SEAL
View Product

Top-Rated Extension Housing Seals for 1978 GMC G35s

Make a smart move for your 1978 GMC G35 with products all priced from $7.99 to $10.99.
show more show less

National – Multi Purpose Seal (Part No.9449)

Multi Purpose Seal

from

$9.99
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
See More

(2 reviews)
View Product

ATP – AT EXT HOUSING SEAL (Part No.HO-9)

AT EXT HOUSING SEAL

from

$10.99
AT EXT HOUSING SEAL
View Product

ATP – AT EXT HOUSING SEAL (Part No.SO-22)

AT EXT HOUSING SEAL

from

$7.99
AT EXT HOUSING SEAL
View Product

ATP – AT EXT HOUSING SEAL (Part No.JO-57)

AT EXT HOUSING SEAL

from

$7.99
AT EXT HOUSING SEAL
View Product

Top-Rated Transmission Seal Brands For Your 1978 GMC G35

When it comes to finding the perfect Transmission Seal for your 1978 GMC G35, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Transmission Seal 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 $1.99. Purchasing a Transmission Seal from us here at Advance Auto Parts is a smart move for both you and your 1978 GMC G35, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1978 GMC G35 Transmission Seals

If you’re looking for a top-quality Transmission Seal for your 1978 GMC G35, Advance Auto Parts has exactly what you need with our selection of National Transmission Seals. We have 3 National Transmission Seals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $9.99 and an average cost of $20.82, you’ll find the perfect Transmission Seal for your needs and budget. National Transmission Seals for the 1978 GMC G35 come highly rated, with over 7 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Transmission Seal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Shaft Repair Sleeve
from $41.99
(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”
Multi Purpose Seal
from $10.49
(4)
Multi Purpose Seal
“it worked”
Multi Purpose Seal
from $9.99
(2)
Multi Purpose Seal
“Sealed tbe trams leak perfectly”

Top-Quality Driveworks 1978 GMC G35 Transmission Seals

For those in search of a high-quality Transmission Seal for their 1978 GMC G35, Advance Auto Parts offers a great selection of Driveworks Transmission Seals. With 1 Driveworks Transmission Seals in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Transmission Seals start at just $1.99, giving you a range of options to suit your budget. Backed by over 4 customer ratings and an average rating of 4.2 stars, Driveworks Transmission Seals provide both reliability and excellent performance. Choosing a Driveworks Transmission Seal from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Oil Seal
from $1.99
(4)
Oil Seal
“Couple taps of hammer and went right in”

FAQs for 1978 GMC G35 Transmission Seals

What are the best-selling Transmission Seals for 1978 GMC G35s?

Out of 25 Transmission Seals that fit 1978 GMC G35s, the following parts are the top sellers:

What’s the price range for 1978 GMC G35 Transmission Seals?

The prices of Transmission Seals for the 1978 GMC G35 range from $1.99 up to $41.99 for the most premium parts.

What is the average price of a Transmission Seals Transmission Seal for a 1978 GMC G35?

The average price for Transmission Seals for the 1978 GMC G35 is $10.81. Keep in mind the variety of part types within our Transmission Seal category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Seals for other GMC G35 model years?

Yes, we carry Transmission Seals for 2 model years of GMC G35s between 1975 and 1977. The following model years are the most popular for Transmission Seal purchases: 1977, 1976, and 1975.

What are the cheapest Transmission Seals for my 1978 GMC G35?

The cheapest 1978 GMC G35 Transmission Seals we carry are:

Does Advance Auto Parts sell Transmission Seals for any other 1978 GMC models?

Yes. We stock Transmission Seals for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Transmission Seals, 1978 Caballero Transmission Seals, 1978 K25 Transmission Seals, 1978 K15 Transmission Seals, and 1978 G25 Transmission Seals.

What are the top-rated Transmission Seals that fit the 1978 GMC G35?

Based on 510 reviews by customers, our 1978 GMC G35 Transmission Seals have an average customer rating of 5 stars. These are the highest-rated categories of Transmission Seals for the 1978 GMC G35 and their top-rated products:

What types of Transmission Seals do you sell for my 1978 GMC G35?

As of 4/10/25, these are some of the most in-demand types of Transmission Seals for a 1978 GMC G35:

Can I get help with 1978 GMC G35 Transmission Seal orders?

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

What is your return policy for GMC G35 Transmission Seals?

Advance Auto Parts keeps returns simple. For new GMC G35 Transmission Seals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

More Popular Parts for All Makes