1991 GMC K3500 Transmission Seals

Keep Your 1991 GMC K3500 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 1991 GMC K3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Dipstick Seals, Pinion Seals, and Extension Housing 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. For example, National Transmission Seals start at just $11.99 with an average 4.3 star rating. With over 324 reviews and a solid 5 star average, you can shop with confidence knowing other GMC K3500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1991 GMC K3500 Transmission Seal at Advance Auto Parts is around $23.60, with a range that starts at $3.99 and goes up to $248.99. With 29 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose Seal, AT DETENT CABLE SEAL, and Multi-Purpose Seal start at just $3.99 and offer a great balance of form and function.

Find Your Specific 1991 GMC K3500 Transmission Seals

Looking for the perfect Transmission Seal for your 1991 GMC K3500? 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 K3500. Whether you’re driving a 1991 model or another popular model year like 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, and 1999, 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 1991 GMC K3500 Transmission Seals

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

Multi-Purpose Seal

from

$17.29
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:
  • 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
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National – Multi-Purpose Seal (Part No.410085)

Multi-Purpose Seal

from

$15.49
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
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National – Shaft Repair Sleeve (Part No.99138)

Shaft Repair Sleeve

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
See More

(1 reviews)
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National – Multi-Purpose Seal (Part No.714654)

Multi-Purpose Seal

from

$14.49
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: -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
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Driveworks – Transfer Case Output Shaft Seal (Part No.S-4503N)

Transfer Case Output Shaft Seal

from

$17.79
Product Features:
  • Brand may vary by location
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Driveworks – Oil Seal (Part No.S-2286)

Oil Seal

from

$14.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Motive Gear – Differential Pinion Seal (Part No.5778)

Differential Pinion Seal

from

$9.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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ATP – AT DETENT CABLE SEAL (Part No.SO-37)

AT DETENT CABLE SEAL

from

$3.99
AT DETENT CABLE SEAL
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ATP – AT DETENT CABLE SEAL (Part No.SO-36)

AT DETENT CABLE SEAL

from

$3.99
AT DETENT CABLE SEAL
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ATP – AT SEL SHAFT SEAL (Part No.SO-19)

AT SEL SHAFT SEAL

from

$8.99
AT SEL SHAFT SEAL

(2 reviews)
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ATP – CLUTCH FORK BOOT (Part No.JO-118)

CLUTCH FORK BOOT

from

$14.99
CLUTCH FORK BOOT
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National – Multi-Purpose Seal (Part No.2287)

Multi-Purpose Seal

from

$8.99
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:
  • Design type: springless; 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
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National – Multi-Purpose Seal (Part No.710597)

Multi-Purpose Seal

from

$10.29
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:
  • 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
See More
View Product

National – Multi-Purpose Seal (Part No.330385)

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:
  • 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
See More
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ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

from

$5.99
AT DPSTK TUBE SEAL

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

Multi-Purpose Seal

from

$20.49
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
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(3 reviews)
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ATP – AT EXT HOUSING SEAL (Part No.JO-57)

AT EXT HOUSING SEAL

from

$8.99
AT EXT HOUSING SEAL
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ATP – AT EXT HOUSING SEAL (Part No.HO-9)

AT EXT HOUSING SEAL

from

$12.29
AT EXT HOUSING SEAL
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National – Multi-Purpose Seal (Part No.4934)

Multi-Purpose Seal

from

$16.99
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:
  • 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
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(4 reviews)
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ATP – AT EXT HOUSING SEAL (Part No.JO-124)

AT EXT HOUSING SEAL

from

$22.99
AT EXT HOUSING SEAL
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ATP – AT EXT HOUSING SEAL (Part No.SO-22)

AT EXT HOUSING SEAL

from

$8.99
AT EXT HOUSING SEAL
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Most Popular Automatic Transmission Dipstick Seal for 1991 GMC K3500s

Enhance your 1991 GMC K3500 with this popular Automatic Transmission Dipstick Seal we have in stock, for $5.99.
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ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

from

$5.99
AT DPSTK TUBE SEAL

(7 reviews)
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Best-Selling 1991 GMC K3500 Pinion Seals

Upgrade your K3500 with one of our 3 best-selling Pinion Seals, earning an average 5 stars rating across 1 reviews.
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National – Multi Purpose Seal (Part No.2286)

Multi Purpose Seal

from

$24.49
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

(1 reviews)
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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!
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Driveworks – Oil Seal (Part No.S-2286)

Oil Seal

from

$14.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More
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Top-Quality Extension Housing Seals for 1991 GMC K3500s

Choose a high-quality OEM or aftermarket Extension Housing Seal for GMC K3500s and enjoy top-notch performance from $8.99.
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National – Multi-Purpose Seal (Part No.4934)

Multi-Purpose Seal

from

$16.99
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:
  • 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
See More

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

AT EXT HOUSING SEAL

from

$12.29
AT EXT HOUSING SEAL
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ATP – AT EXT HOUSING SEAL (Part No.SO-22)

AT EXT HOUSING SEAL

from

$8.99
AT EXT HOUSING SEAL
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ATP – AT EXT HOUSING SEAL (Part No.JO-57)

AT EXT HOUSING SEAL

from

$8.99
AT EXT HOUSING SEAL
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ATP – AT EXT HOUSING SEAL (Part No.JO-124)

AT EXT HOUSING SEAL

from

$22.99
AT EXT HOUSING SEAL
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Top Picks for 1991 GMC K3500 Transmission Seals and O-rings

Invest in one of our 6 durable Transmission Seals and O-rings for your 1991 GMC, knowing you’re getting trusted brands and expert craftsmanship.
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National – Multi Purpose Seal (Part No.8792S)

Multi Purpose Seal

from

$6.99
Product Features:
  • 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
See More

(20 reviews)
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National – Multi-Purpose Seal (Part No.4598)

Multi-Purpose Seal

from

$8.99
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:
  • Design type: spring loaded; single-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
See More
View Product

National – Multi-Purpose Seal (Part No.410085)

Multi-Purpose Seal

from

$15.49
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
View Product

National – Multi Purpose Seal (Part No.714655)

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
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National – Multi-Purpose Seal (Part No.2457)

Multi-Purpose Seal

from

$31.99
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:
  • 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
See More
View Product

National – Manual Transmission Output Shaft Seal (Part No.714670)

Manual Transmission Output Shaft Seal

from

$40.99
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:
  • 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
See More
View Product

Top-Rated Manual Transmission Output Shaft Seals for 1991 GMC K3500s

Make a smart move for your 1991 GMC K3500 with products all priced from $9.99 to $30.49.
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National – Multi-Purpose Seal (Part No.4583)

Multi-Purpose Seal

from

$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:
  • 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
See More

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

Multi-Purpose Seal

from

$11.99
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:
  • 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

(2 reviews)
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National – Multi-Purpose Seal (Part No.4528N)

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: -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
See More

(1 reviews)
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National – Shaft Repair Sleeve (Part No.99138)

Shaft Repair Sleeve

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
See More

(1 reviews)
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National – Manual Transmission Output Shaft Seal (Part No.4532N)

Manual Transmission Output Shaft Seal

from

$17.99
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:
  • 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
See More
View Product

National – Multi-Purpose Seal (Part No.714654)

Multi-Purpose Seal

from

$14.49
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: -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
See More
View Product

Driveworks – Manual Transmission Output Shaft Seal (Part No.S-4528-N)

Manual Transmission Output Shaft Seal

from

$9.99
Product Features:
  • Brand may vary by location
See More
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Top-Rated Transmission Seal Brands For Your 1991 GMC K3500

When it comes to finding the perfect Transmission Seal for your 1991 GMC K3500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Transmission Seal 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 $11.99. Purchasing a Transmission Seal from us here at Advance Auto Parts is a smart move for both you and your 1991 GMC K3500, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1991 GMC K3500 Transmission Seals

If you’re looking for a top-quality Transmission Seal for your 1991 GMC K3500, 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 $11.99 and an average cost of $13.99, you’ll find the perfect Transmission Seal for your needs and budget. National Transmission Seals for the 1991 GMC K3500 come highly rated, with over 19 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.
Multi-Purpose Seal
from $11.99
(2)
Multi-Purpose Seal
“Sealed tbe trams leak perfectly”
Multi-Purpose Seal
from $12.99
(13)
Multi-Purpose Seal
“Fixed my leak”
Multi-Purpose Seal
from $16.99
(4)
Multi-Purpose Seal
“great item”

FAQs for 1991 GMC K3500 Transmission Seals

What are the best-selling Transmission Seals for 1991 GMC K3500s?

Out of 29 Transmission Seals that fit 1991 GMC K3500s, the following parts are the top sellers:

What’s the price range for 1991 GMC K3500 Transmission Seals?

The prices of Transmission Seals for the 1991 GMC K3500 range from $3.99 up to $248.99 for the most premium parts.

What is the average price of a Transmission Seal for a 1991 GMC K3500?

The average price for Transmission Seals for the 1991 GMC K3500 is $23.60. 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 K3500 model years?

Yes, we carry Transmission Seals for 18 model years of GMC K3500s between 1979 and 1999. The following model years are the most popular for Transmission Seal purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1990.

What are the cheapest Transmission Seals for my 1991 GMC K3500?

The cheapest 1991 GMC K3500 Transmission Seals we carry are:

Does Advance Auto Parts sell Transmission Seals for any other 1991 GMC models?

Yes. We stock Transmission Seals for 20 other popular 1991 GMC models. Some of the most popular are 1991 Jimmy Transmission Seals, 1991 K2500 Transmission Seals, 1991 C2500 Transmission Seals, 1991 K1500 Transmission Seals, and 1991 C1500 Transmission Seals.

What are the top-rated Transmission Seals that fit the 1991 GMC K3500?

Based on 324 reviews by customers, our 1991 GMC K3500 Transmission Seals have an average customer rating of 5 stars. These are the highest-rated categories of Transmission Seals for the 1991 GMC K3500 and their top-rated products:

What types of Transmission Seals do you sell for my 1991 GMC K3500?

As of 11/2/25, these are some of the most in-demand types of Transmission Seals for a 1991 GMC K3500:

Can I get help with 1991 GMC K3500 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 K3500 Transmission Seals?

Advance Auto Parts keeps returns simple. For new GMC K3500 Transmission Seals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

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