1966 Oldsmobile 442 Transmission Seals

Keep Your 1966 Oldsmobile 442 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 1966 Oldsmobile 442 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Pinion Seals, Extension Housing Seals, and Manual Transmission Output Shaft 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 $7.99 with an average 4.3 star rating. With over 45 reviews and a solid 5 star average, you can shop with confidence knowing other Oldsmobile 442 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Oldsmobile 442 Transmission Seal at Advance Auto Parts is around $31.02, with a range that starts at $3.99 and goes up to $123.99. With 18 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Differential Pinion Seal, Multi-Purpose Seal, and Multi-Purpose Seal start at just $11.99 and offer a great balance of form and function.

Find Your Specific 1966 Oldsmobile 442 Transmission Seals

Looking for the perfect Transmission Seal for your 1966 Oldsmobile 442? 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 Oldsmobile 442. Whether you’re driving a 1966 model or another popular model year like 1965, 1967, 1968, 1969, 1970, 1971, 1972, 1985, and 1986, 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 1966 Oldsmobile 442 Transmission Seals

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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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:
  • 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
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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
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(20 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
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(2 reviews)
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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:
  • 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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(8 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-8)

AT EXT HOUSING SEAL

from

$13.29
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.7038SA)

Multi-Purpose Seal

from

$16.49
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 – Multi-Purpose Seal (Part No.5200)

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: -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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(5 reviews)
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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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National – Multi-Purpose Seal (Part No.8460N)

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
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(2 reviews)
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National – Multi-Purpose Seal (Part No.8610)

Multi-Purpose Seal

from

$15.99
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
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(4 reviews)
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National – Differential Pinion Seal (Part No.2043)

Differential Pinion Seal

from

$15.99
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
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(5 reviews)
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Driveworks – Oil Seal (Part No.S-8610)

Oil Seal

from

$5.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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(3 reviews)
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Motive Gear – Differential Pinion Seal (Part No.2043)

Differential Pinion Seal

from

$3.99
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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(1 reviews)
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Most Popular Pinion Seal for 1966 Oldsmobile 442s

Enhance your 1966 Oldsmobile 442 with this popular Pinion Seal we have in stock, for $15.99.
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National – Differential Pinion Seal (Part No.2043)

Differential Pinion Seal

from

$15.99
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

(5 reviews)
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Best-Selling 1966 Oldsmobile 442 Extension Housing Seals

Upgrade your 442 with one of our 5 best-selling Extension Housing Seals.
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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.HO-8)

AT EXT HOUSING SEAL

from

$13.29
AT EXT HOUSING SEAL
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National – Multi-Purpose Seal (Part No.7038SA)

Multi-Purpose Seal

from

$16.49
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

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

AT EXT HOUSING SEAL

from

$8.99
AT EXT HOUSING SEAL
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Top-Quality Manual Transmission Output Shaft Seals for 1966 Oldsmobile 442s

Choose a high-quality OEM or aftermarket Manual Transmission Output Shaft Seal for Oldsmobile 442s and enjoy top-notch performance from $7.99.
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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.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:
  • 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

(8 reviews)
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Top Picks for 1966 Oldsmobile 442 Transmission Seals and O-rings

Invest in one of our 2 durable Transmission Seals and O-rings for your 1966 Oldsmobile, 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.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:
  • 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
View Product

Our Shift Shaft Seals for 1966 Oldsmobile 442s

Make a smart move for your 1966 Oldsmobile 442 with our Shift Shaft Seal for $3.99.
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USA Standard Gear – Shift Shaft O-Ring (Part No.76151)

Shift Shaft O-Ring

from

$3.99
Shift Shaft O-Ring
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Top-Rated Transmission Seal Brands For Your 1966 Oldsmobile 442

When it comes to finding the perfect Transmission Seal for your 1966 Oldsmobile 442, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 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 $7.99. Purchasing a Transmission Seal from us here at Advance Auto Parts is a smart move for both you and your 1966 Oldsmobile 442, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1966 Oldsmobile 442 Transmission Seals

If you’re looking for a top-quality Transmission Seal for your 1966 Oldsmobile 442, 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 $7.99 and an average cost of $10.99, you’ll find the perfect Transmission Seal for your needs and budget. National Transmission Seals for the 1966 Oldsmobile 442 come highly rated, with over 15 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 $12.99
(5)
Multi-Purpose Seal
“It seals great so far”
Multi-Purpose Seal
from $7.99
(8)
Multi-Purpose Seal
“This seal should be located at the REAR of the TRANS, in FRONT of the TRANSFER CASE, BETWEEN trans and transfer case.”
Multi-Purpose Seal
from $11.99
(2)
Multi-Purpose Seal
“Sealed tbe trams leak perfectly”

FAQs for 1966 Oldsmobile 442 Transmission Seals

What are the best-selling Transmission Seals for 1966 Oldsmobile 442s?

Out of 18 Transmission Seals that fit 1966 Oldsmobile 442s, the following parts are the top sellers:

What’s the price range for 1966 Oldsmobile 442 Transmission Seals?

The prices of Transmission Seals for the 1966 Oldsmobile 442 range from $3.99 up to $123.99 for the most premium parts.

What is the average price of a Transmission Seal for a 1966 Oldsmobile 442?

The average price for Transmission Seals for the 1966 Oldsmobile 442 is $31.02. 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 Oldsmobile 442 model years?

Yes, we carry Transmission Seals for 9 model years of Oldsmobile 442s between 1964 and 1986. The following model years are the most popular for Transmission Seal purchases: 1986, 1985, 1972, 1971, 1970, 1969, 1968, 1967, and 1965.

What are the cheapest Transmission Seals for my 1966 Oldsmobile 442?

The cheapest 1966 Oldsmobile 442 Transmission Seals we carry are:

Does Advance Auto Parts sell Transmission Seals for any other 1966 Oldsmobile models?

Yes. We stock Transmission Seals for 8 other popular 1966 Oldsmobile models. Some of the most popular are 1966 Cutlass Transmission Seals, 1966 98 Transmission Seals, 1966 Delta 88 Transmission Seals, 1966 Toronado Transmission Seals, and 1966 F85 Transmission Seals.

What are the top-rated Transmission Seals that fit the 1966 Oldsmobile 442?

Based on 45 reviews by customers, our 1966 Oldsmobile 442 Transmission Seals have an average customer rating of 5 stars. These are the highest-rated categories of Transmission Seals for the 1966 Oldsmobile 442 and their top-rated products:

What types of Transmission Seals do you sell for my 1966 Oldsmobile 442?

As of 11/2/25, these are some of the most in-demand types of Transmission Seals for a 1966 Oldsmobile 442:

Can I get help with 1966 Oldsmobile 442 Transmission Seal orders?

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

What is your return policy for Oldsmobile 442 Transmission Seals?

Advance Auto Parts keeps returns simple. For new Oldsmobile 442 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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