1966 Cadillac Eldorado Transmission Seals
Keep Your 1966 Cadillac Eldorado 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 Cadillac Eldorado looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Extension Housing Seals, Manual Transmission Main Shaft Seals, and Transmission Seals and O-rings. 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 $6.99 with an average 4.3 star rating. With over 29 reviews and a solid 4.7 star average, you can shop with confidence knowing other Cadillac Eldorado owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1966 Cadillac Eldorado Transmission Seal at Advance Auto Parts is around $8.48, with a range that starts at $2.99 and goes up to $16.79. With 8 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Driveworks Oil Seal, S-6712NA, ATP Automatic Transmission Dipstick Tube O’Ring Seal, SO-33, and ATP Automatic Transmission Extension Housing Seal, HO-8 start at just $2.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Transmission Seal, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1966 Cadillac Eldorado in peak condition, inside and out.
Find Your Specific 1966 Cadillac Eldorado Transmission Seals
Looking for the perfect Transmission Seal for your 1966 Cadillac Eldorado? 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 Cadillac Eldorado. Whether you’re driving a 1966 model or another popular model year like
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001, and
2002, 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 Cadillac Eldorado Transmission Seals
ATP – ATP Automatic Transmission Extension Housing Seal, HO-8 (Part No.HO-8)
from
$14.29
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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Driveworks – Driveworks Oil Seal, S-6712NA (Part No.S-6712NA)
National – National Multi-Purpose Seal, 4950 (Part No.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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ATP – ATP Automatic Transmission Dipstick Tube Seal, SO-35 (Part No.SO-35)
from
$6.39
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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National – National Multi-Purpose Seal, 714679 (Part No.714679)
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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National – National Automatic Transmission Output Shaft Seal, 470380V (Part No.470380V)
from
$11.49
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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ATP – ATP Automatic Transmission Fluid Filler Tube Seal, JO-15 (Part No.JO-15)
from
$4.29
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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Driveworks – Driveworks Oil Seal, S-710096 (Part No.S-710096)
National – National Multi-Purpose Seal, 8792S (Part No.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.
See More
National – National Multi-Purpose Seal, 253747 (Part No.253747)
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
ATP – ATP Automatic Transmission Dipstick Tube O’Ring Seal, SO-33 (Part No.SO-33)
from
$2.99
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)
from
$9.59
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
See More
National – National Multi-Purpose Seal, 7038SA (Part No.7038SA)
from
$16.79
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.
See More
Popular 1966 Cadillac Eldorado Transmission Seals Categories
Most Popular Extension Housing Seals for 1966 Cadillac Eldorados
Enhance your 1966 Cadillac Eldorado with one of the 2 Extension Housing Seals we have in stock, starting at just $9.59.
National – National Multi-Purpose Seal, 7038SA (Part No.7038SA)
from
$16.79
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.
See More
ATP – ATP Automatic Transmission Extension Housing Seal, JO-57 (Part No.JO-57)
from
$9.59
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
See More
Best-Selling 1966 Cadillac Eldorado Manual Transmission Main Shaft Seal
Upgrade your Eldorado with our best-selling Manual Transmission Main Shaft Seal.
ATP – ATP Automatic Transmission Extension Housing Seal, HO-8 (Part No.HO-8)
from
$14.29
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
See More
Top-Quality Transmission Seals and O-rings for 1966 Cadillac Eldorados
Choose a high-quality OEM or aftermarket Transmission Seals and O-ring for Cadillac Eldorados and enjoy top-notch performance from $4.29.
ATP – ATP Automatic Transmission Fluid Filler Tube Seal, JO-15 (Part No.JO-15)
from
$4.29
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
See More
ATP – ATP Automatic Transmission Dipstick Tube Seal, SO-35 (Part No.SO-35)
from
$6.39
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
See More
National – National Multi-Purpose Seal, 8792S (Part No.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.
See More
Our Top Pick for a 1966 Cadillac Eldorado Automatic Transmission Output Speed Sensor Seal
Invest in a
durable Automatic Transmission Output Speed Sensor Seal for your 1966 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.
ATP – ATP Automatic Transmission Dipstick Tube O’Ring Seal, SO-33 (Part No.SO-33)
from
$2.99
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
See More
Our Automatic Transmission Oil Pump Seals for 1966 Cadillac Eldorados
Make a smart move for your 1966 Cadillac Eldorado with our Automatic Transmission Oil Pump Seal for $6.49.
Driveworks – Driveworks Oil Seal, S-6712NA (Part No.S-6712NA)
Top-Rated Transmission Seal Brands For Your 1966 Cadillac Eldorado
When it comes to finding the perfect Transmission Seal for your 1966 Cadillac Eldorado, 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 $6.99. Purchasing a Transmission Seal from us here at Advance Auto Parts is a smart move for both you and your 1966 Cadillac Eldorado, providing peace of mind with parts that meet or exceed OEM standards.
Popular National 1966 Cadillac Eldorado Transmission Seals
If you’re looking for a top-quality Transmission Seal for your 1966 Cadillac Eldorado, Advance Auto Parts has exactly what you need with our selection of National Transmission Seals. We have 1 National Transmission Seals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.99, you’ll find the perfect Transmission Seal for your needs and budget. National Transmission Seals for the 1966 Cadillac Eldorado 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.
from
$6.99
(20)
National Multi-Purpose Seal, 8792S
“Would have been fine most likely – if correct seal was in the box. For redoing a Front Crank Seal on a 4 cylinder 89 Ranger.”
FAQs for 1966 Cadillac Eldorado Transmission Seals
What are the best-selling Transmission Seals for 1966 Cadillac Eldorados?
Out of 8 Transmission Seals that fit 1966 Cadillac Eldorados, the following parts are the top sellers:
- Driveworks Oil Seal, S-6712NA (5441811) – $6.49
- ATP Automatic Transmission Dipstick Tube O’Ring Seal, SO-33 (11236112) – $2.99
- ATP Automatic Transmission Extension Housing Seal, HO-8 (11236110) – $14.29
What’s the price range for 1966 Cadillac Eldorado Transmission Seals?
The prices of Transmission Seals for the 1966 Cadillac Eldorado range from $2.99 up to $16.79 for the most premium parts.
What is the average price of a Transmission Seal for a 1966 Cadillac Eldorado?
The average price for Transmission Seals for the 1966 Cadillac Eldorado is $8.48. 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 Cadillac Eldorado model years?
What are the cheapest Transmission Seals for my 1966 Cadillac Eldorado?
The cheapest 1966 Cadillac Eldorado Transmission Seals we carry are:
- ATP Automatic Transmission Dipstick Tube O’Ring Seal, SO-33 (11236112) – $2.99
- ATP Automatic Transmission Fluid Filler Tube Seal, JO-15 (11239035) – $4.29
- ATP Automatic Transmission Dipstick Tube Seal, SO-35 (11236304) – $6.39
- Driveworks Oil Seal, S-6712NA (5441811) – $6.49
- National Multi-Purpose Seal, 8792S (3271471) – $6.99
Does Advance Auto Parts sell Transmission Seals for any other 1966 Cadillac models?
Yes. We stock Transmission Seals for 3 other popular 1966 Cadillac models. Some of the most popular are 1966 DeVille Transmission Seals, 1966 Fleetwood Transmission Seals, 1966 Calais Transmission Seals, and 1966 Commercial Chassis Transmission Seals.
What are the top-rated Transmission Seals that fit the 1966 Cadillac Eldorado?
The one 1966 Cadillac Eldorado Transmission Seal we have in stock is the ATP Automatic Transmission Dipstick Tube O’Ring Seal, SO-33. It costs $2.99.
What types of Transmission Seals do you sell for my 1966 Cadillac Eldorado?
As of 8/2/26, these are some of the most in-demand types of Transmission Seals for a 1966 Cadillac Eldorado:
Can I get help with 1966 Cadillac Eldorado Transmission Seal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Transmission Seals and more.
What is your return policy for Cadillac Eldorado Transmission Seals?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Transmission Seals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.