1985 GMC C1500 Transmission Seals

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Keep Your 1985 GMC C1500 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 1985 GMC C1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Manual Transmission Output Shaft Seals, Automatic Transmission Output Shaft 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 and Driveworks. For example, National Transmission Seals start at just $6.99 with an average 4.3 star rating. Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 486 reviews and a solid 4.6 star average, you can shop with confidence knowing other GMC C1500 owners approve.

Find Your Specific 1985 GMC C1500 Transmission Seals

Looking for the perfect Transmission Seal for your 1985 GMC C1500? 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 C1500. Whether you’re driving a 1985 model or another popular model year like 1991, 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 1985 GMC C1500 Transmission Seals

Schaeffler – Schaeffler Shaft Seal, SS2571 (Part No.SS2571)

Schaeffler Shaft Seal, SS2571

from

$11.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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National – National Multi-Purpose Seal, 5208 (Part No.5208)

National Multi-Purpose Seal, 5208

from

$21.29
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.
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(3 reviews)
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ATP – ATP Automatic Transmission Extension Housing Seal, JO-57 (Part No.JO-57)

ATP Automatic Transmission Extension Housing Seal, JO-57

from

$9.59
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Speedometer Pinion Seal, SO-34 (Part No.SO-34)

ATP Automatic Transmission Speedometer Pinion Seal, SO-34

from

$10.79
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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National – National Multi-Purpose Seal, 5200 (Part No.5200)

National Multi-Purpose Seal, 5200

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.
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(5 reviews)
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ATP – ATP Automatic Transmission Dipstick Tube O’Ring Seal, SO-33 (Part No.SO-33)

ATP Automatic Transmission Dipstick Tube O'Ring Seal, SO-33

from

$2.99
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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National – National Multi-Purpose Seal, 9613S (Part No.9613S)

National Multi-Purpose Seal, 9613S

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.
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(8 reviews)
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ATP – ATP CLUTCH FORK, JX-104 (Part No.JX-104)

ATP CLUTCH FORK, JX-104

from

$11.99
ATP CLUTCH FORK, JX-104. DRIVELINE – CLUTCHES>CLUTCH KITS, HYDRAULICS & PARTS>CLUTCH PARTS>FLEXPLATES from ATP
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National – National Multi-Purpose Seal, 714654 (Part No.714654)

National Multi-Purpose Seal, 714654

from

$14.79
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.
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Driveworks – Driveworks Oil Seal, S-9613S (Part No.S-9613S)

Driveworks Oil Seal, S-9613S

from

$4.99
Value-priced seal meets all cataloged application requirements.
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(3 reviews)
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ATP – ATP Automatic Transmission Fluid Filler Tube Seal, JO-15 (Part No.JO-15)

ATP Automatic Transmission Fluid Filler Tube Seal, JO-15

from

$4.29
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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(2 reviews)
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National – National Multi-Purpose Seal, 9449 (Part No.9449)

National Multi-Purpose Seal, 9449

from

$13.29
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.
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(2 reviews)
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Schaeffler – Schaeffler Shaft Seal, SS2114 (Part No.SS2114)

Schaeffler Shaft Seal, SS2114

from

$5.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
See More
View Product

Driveworks – Driveworks Oil Seal, S-5208 (Part No.S-5208)

Driveworks Oil Seal, S-5208

from

$21.29
Driveworks Oil Seal, S-5208. BEARINGS, SEALS, HUB ASSEMBLIES>BEARINGS & SEALS>SEALS>ECONOMY SEALS from Driveworks
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Schaeffler – Schaeffler Shaft Seal, SS2569 (Part No.SS2569)

Schaeffler Shaft Seal, SS2569

from

$3.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
See More
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National – National Multi-Purpose Seal, 8460N (Part No.8460N)

National Multi-Purpose Seal, 8460N

from

$15.29
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.
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(2 reviews)
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National – National Differential Pinion Seal, 2043 (Part No.2043)

National Differential Pinion Seal, 2043

from

$18.29
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.
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(5 reviews)
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National – National Multi-Purpose Seal, 4950 (Part No.4950)

National Multi-Purpose Seal, 4950

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.
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(5 reviews)
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ATP – ATP Automatic Transmission Oil Pump Seal, CO-37 (Part No.CO-37)

ATP Automatic Transmission Oil Pump Seal, CO-37

from

$21.29
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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(1 reviews)
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ATP – ATP Automatic Transmission Selector Shaft Seal, SO-19 (Part No.SO-19)

ATP Automatic Transmission Selector Shaft Seal, SO-19

from

$9.59
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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(2 reviews)
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National – National Shaft Repair Sleeve, 99199 (Part No.99199)

National Shaft Repair Sleeve, 99199

from

$42.49
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.
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(1 reviews)
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National – National Shaft Repair Sleeve, 99193 (Part No.99193)

National Shaft Repair Sleeve, 99193

from

$44.49
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.
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(2 reviews)
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National – National Engine Crankshaft Seal, 5092 (Part No.5092)

National Engine Crankshaft Seal, 5092

from

$50.99
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.
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Popular 1985 GMC C1500 Transmission Seals Categories

Automatic Transmission Output Shaft Seals
Automatic Transmission Output Shaft Seals
Automatic Transmission Oil Pump Seals
Automatic Transmission Oil Pump Seals
Pinion Seals
Pinion Seals
Transmission Seals and O-rings
Transmission Seals and O-rings
Automatic Transmission Extension Housing Seal Kits
Automatic Transmission Extension Housing Seal Kits
Extension Housing Seals
Extension Housing Seals
Manual Transmission Output Shaft Seals
Manual Transmission Output Shaft Seals
Miscellaneous Automatic Transmission Seals
Miscellaneous Automatic Transmission Seals
Automatic Transmission Selector Shaft Seals
Automatic Transmission Selector Shaft Seals
Shift Shaft Seals
Shift Shaft Seals
Manual Transmission Seals
Manual Transmission Seals
Clutch Fork Shaft Seals
Clutch Fork Shaft Seals
Automatic Transmission Speedometer Pinion Seals
Automatic Transmission Speedometer Pinion Seals
Front Pump Seals
Front Pump Seals
Overdrive Seals
Overdrive Seals
Manual Transmission Seal Kit
Manual Transmission Seal Kit
Manual Transmission Output Shaft Seal Kits
Manual Transmission Output Shaft Seal Kits
Automatic Transmission Output Speed Sensor Seal
Automatic Transmission Output Speed Sensor Seal

Most Popular Manual Transmission Output Shaft Seals for 1985 GMC C1500s

Enhance your 1985 GMC C1500 with one of the 3 Manual Transmission Output Shaft Seals we have in stock, starting at just $4.99.
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National – National Multi-Purpose Seal, 4583 (Part No.4583)

National Multi-Purpose Seal, 4583

from

$13.29
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.
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(13 reviews)
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Driveworks – Driveworks Oil Seal, S-9613S (Part No.S-9613S)

Driveworks Oil Seal, S-9613S

from

$4.99
Value-priced seal meets all cataloged application requirements.
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(3 reviews)
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National – National Multi-Purpose Seal, 410085 (Part No.410085)

National Multi-Purpose Seal, 410085

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.
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Best-Selling 1985 GMC C1500 Automatic Transmission Output Shaft Seal

Upgrade your C1500 with our best-selling Automatic Transmission Output Shaft Seal with a 3.5 Starts rating across 3 reviews.
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National – National Multi-Purpose Seal, 5208 (Part No.5208)

National Multi-Purpose Seal, 5208

from

$21.29
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.
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(3 reviews)
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Top-Quality Extension Housing Seals for 1985 GMC C1500s

Choose a high-quality OEM or aftermarket Extension Housing Seal for GMC C1500s and enjoy top-notch performance from $4.99.
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ATP – ATP Automatic Transmission Extension Housing Seal, HO-9 (Part No.HO-9)

ATP Automatic Transmission Extension Housing Seal, HO-9

from

$12.99
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Extension Housing Seal, SO-22 (Part No.SO-22)

ATP Automatic Transmission Extension Housing Seal, SO-22

from

$9.59
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Extension Housing Seal, JO-57 (Part No.JO-57)

ATP Automatic Transmission Extension Housing Seal, JO-57

from

$9.59
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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Driveworks – Driveworks Oil Seal, S-4583 (Part No.S-4583)

Driveworks Oil Seal, S-4583

from

$4.99
Driveworks Oil Seal, S-4583. BEARINGS, SEALS, HUB ASSEMBLIES>BEARINGS & SEALS>SEALS>ECONOMY SEALS from Driveworks
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Our Top Pick for a 1985 GMC C1500 Pinion Seal

Invest in a durable Pinion Seal for your 1985 GMC, knowing you’re getting trusted brands and expert craftsmanship.
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National – National Differential Pinion Seal, 2043 (Part No.2043)

National Differential Pinion Seal, 2043

from

$18.29
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.
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(5 reviews)
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Top-Rated Transmission Seals and O-rings for 1985 GMC C1500s

Make a smart move for your 1985 GMC C1500 with products all priced from $4.29 to $13.29.
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National – National Multi-Purpose Seal, 9449 (Part No.9449)

National Multi-Purpose Seal, 9449

from

$13.29
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.
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(2 reviews)
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ATP – ATP Automatic Transmission Fluid Filler Tube Seal, JO-15 (Part No.JO-15)

ATP Automatic Transmission Fluid Filler Tube Seal, JO-15

from

$4.29
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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(2 reviews)
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ATP – ATP Automatic Transmission Dipstick Tube Seal, SO-35 (Part No.SO-35)

ATP Automatic Transmission Dipstick Tube Seal, SO-35

from

$6.39
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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(7 reviews)
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National – National Multi-Purpose Seal, 8792S (Part No.8792S)

National Multi-Purpose Seal, 8792S

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

Driveworks Oil Seal, S-9449

from

$7.79
Value-priced seal meets all cataloged application requirements.
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(4 reviews)
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National – National Multi-Purpose Seal, 240735 (Part No.240735)

National Multi-Purpose Seal, 240735

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.
See More
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National – National Multi-Purpose Seal, 481181N (Part No.481181N)

National Multi-Purpose Seal, 481181N

from

$11.29
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.
See More
View Product

Top-Rated Transmission Seal Brands For Your 1985 GMC C1500

When it comes to finding the perfect Transmission Seal for your 1985 GMC C1500, 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 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 $4.99. Purchasing a Transmission Seal from us here at Advance Auto Parts is a smart move for both you and your 1985 GMC C1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1985 GMC C1500 Transmission Seals

If you’re looking for a top-quality Transmission Seal for your 1985 GMC C1500, 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 $6.99 and an average cost of $11.19, you’ll find the perfect Transmission Seal for your needs and budget. National Transmission Seals for the 1985 GMC C1500 come highly rated, with over 20 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.
National Multi-Purpose Seal, 4583
from $13.29
(13)
National Multi-Purpose Seal, 4583
“Fixed my leak”
National Multi-Purpose Seal, 4950
from $6.99
(5)
National Multi-Purpose Seal, 4950
“This part was exactly the same as the part on my 2004 Trailblazer 4.2L, even had the same number stamped on it.”
National Multi-Purpose Seal, 9449
from $13.29
(2)
National Multi-Purpose Seal, 9449
“Sealed tbe trams leak perfectly”

Top-Quality Driveworks 1985 GMC C1500 Transmission Seals

For those in search of a high-quality Transmission Seal for their 1985 GMC C1500, Advance Auto Parts offers a great selection of Driveworks Transmission Seals. With 2 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 $4.99, with an average price of $6.39, giving you a range of options to suit your budget. Backed by over 7 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.
Driveworks Oil Seal, S-9613S
from $4.99
(3)
Driveworks Oil Seal, S-9613S
“Good part, cheap price”
Driveworks Oil Seal, S-9449
from $7.79
(4)
Driveworks Oil Seal, S-9449
“Couple taps of hammer and went right in”

FAQs for 1985 GMC C1500 Transmission Seals

What are the best-selling Transmission Seals for 1985 GMC C1500s?

Out of 34 Transmission Seals that fit 1985 GMC C1500s, the following parts are the top sellers:

What’s the price range for 1985 GMC C1500 Transmission Seals?

The prices of Transmission Seals for the 1985 GMC C1500 range from $2.99 up to $50.99 for the most premium parts.

What is the average price of a Transmission Seal for a 1985 GMC C1500?

The average price for Transmission Seals for the 1985 GMC C1500 is $12.00. 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 C1500 model years?

Yes, we carry Transmission Seals for 18 model years of GMC C1500s 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 1991.

What are the cheapest Transmission Seals for my 1985 GMC C1500?

The cheapest 1985 GMC C1500 Transmission Seals we carry are:

Does Advance Auto Parts sell Transmission Seals for any other 1985 GMC models?

Yes. We stock Transmission Seals for 17 other popular 1985 GMC models. Some of the most popular are 1985 Jimmy Transmission Seals, 1985 K2500 Transmission Seals, 1985 C2500 Transmission Seals, 1985 K1500 Transmission Seals, and 1985 K3500 Transmission Seals.

What are the top-rated Transmission Seals that fit the 1985 GMC C1500?

Based on 486 reviews by customers, our 1985 GMC C1500 Transmission Seals have an average customer rating of 4.6 stars. These are the highest-rated categories of Transmission Seals for the 1985 GMC C1500 and their top-rated products:

What types of Transmission Seals do you sell for my 1985 GMC C1500?

As of 8/2/26, these are some of the most in-demand types of Transmission Seals for a 1985 GMC C1500:

Can I get help with 1985 GMC C1500 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 C1500 Transmission Seals?

Advance Auto Parts keeps returns simple. For new GMC C1500 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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