1999 Ford Expedition Transmission Seals

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Keep Your 1999 Ford Expedition 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 1999 Ford Expedition looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Output Shaft Seals, Pinion 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 and Driveworks. For example, National Transmission Seals start at just $14.49 with an average 4.3 star rating. Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 165 reviews and a solid 4.2 star average, you can shop with confidence knowing other Ford Expedition owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1999 Ford Expedition Transmission Seal at Advance Auto Parts is around $15.13, with a range that starts at $2.29 and goes up to $40.99. With 24 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Driveworks Oil Seal, S-3604, Driveworks Oil Seal, S-7300S, and National Multi-Purpose Seal, 7300S start at just $7.99 and offer a great balance of form and function.

Find Your Specific 1999 Ford Expedition Transmission Seals

Looking for the perfect Transmission Seal for your 1999 Ford Expedition? 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 Ford Expedition. Whether you’re driving a 1999 model or another popular model year like 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, and 2022, 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 1999 Ford Expedition Transmission Seals

ATP – ATP Automatic Transmission Extension Housing Seal, HO-8 (Part No.HO-8)

ATP Automatic Transmission Extension Housing Seal, HO-8

from

$14.29
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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National – National Automatic Transmission Extension Housing Seal, 711106 (Part No.711106)

National Automatic Transmission Extension Housing Seal, 711106

from

$25.49
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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National – National Multi-Purpose Seal, 7300S (Part No.7300S)

National Multi-Purpose Seal, 7300S

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.
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(3 reviews)
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Schaeffler – Schaeffler Shaft Seal, SS3644 (Part No.SS3644)

Schaeffler Shaft Seal, SS3644

from

$6.99
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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Schaeffler – Schaeffler Shaft Seal, SS2550 (Part No.SS2550)

Schaeffler Shaft Seal, SS2550

from

$34.99
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 Automatic Transmission Extension Housing Seal Kit, 5203 (Part No.5203)

National Automatic Transmission Extension Housing Seal Kit, 5203

from

$26.99
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, 7929S (Part No.7929S)

National Multi-Purpose Seal, 7929S

from

$7.39
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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Schaeffler – Schaeffler Repair Sleeve, SR3501 (Part No.SR3501)

Schaeffler Repair Sleeve, SR3501

from

$40.99
The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.
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Driveworks – Driveworks Transfer Case Input Shaft Seal, S-710403 (Part No.S-710403)

Driveworks Transfer Case Input Shaft Seal, S-710403

from

$7.49
Driveworks Transfer Case Input Shaft Seal, S-710403.
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Driveworks – Driveworks Axle Shaft Seal, S-100537 (Part No.S-100537)

Driveworks Axle Shaft Seal, S-100537

from

$10.99
Driveworks Axle Shaft Seal, S-100537.
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Driveworks – Driveworks Oil Seal, S-7929-S (Part No.S-7929-S)

Driveworks Oil Seal, S-7929-S

from

$2.29
Driveworks Oil Seal, S-7929-S. BEARINGS, SEALS, HUB ASSEMBLIES>BEARINGS & SEALS>SEALS>ECONOMY SEALS from Driveworks
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ATP – ATP Automatic Transmission Oil Pump Seal, LO-29 (Part No.LO-29)

ATP Automatic Transmission Oil Pump Seal, LO-29

from

$22.29
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Oil Pump Seal, FO-191 (Part No.FO-191)

ATP Automatic Transmission Oil Pump Seal, FO-191

from

$12.99
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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Driveworks – Driveworks Oil Seal, S-3604 (Part No.S-3604)

Driveworks Oil Seal, S-3604

from

$7.99
Value-priced seal meets all cataloged application requirements.
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(1 reviews)
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National – National Multi-Purpose Seal, 3604 (Part No.3604)

National Multi-Purpose Seal, 3604

from

$13.49
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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(28 reviews)
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Motive Gear – Motive Gear Differential Pinion Seal, 4278 (Part No.4278)

Motive Gear Differential Pinion Seal, 4278

from

$10.29
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 – 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, 710780 (Part No.710780)

National Multi-Purpose Seal, 710780

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.
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(1 reviews)
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National – National Automatic Transmission Extension Housing Seal, 710486 (Part No.710486)

National Automatic Transmission Extension Housing Seal, 710486

from

$20.29
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
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National – National Multi-Purpose Seal, 4764 (Part No.4764)

National Multi-Purpose Seal, 4764

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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(3 reviews)
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National – National Automatic Transmission Extension Housing Seal, 4981V (Part No.4981V)

National Automatic Transmission Extension Housing Seal, 4981V

from

$25.99
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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Schaeffler – Schaeffler Shaft Seal, SS2664 (Part No.SS2664)

Schaeffler Shaft Seal, SS2664

from

$9.99
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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Driveworks – Driveworks Oil Seal, S-7300S (Part No.S-7300S)

Driveworks Oil Seal, S-7300S

from

$11.49
Value-priced seal meets all cataloged application requirements.
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(8 reviews)
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Schaeffler – Schaeffler Shaft Seal, SS3042 (Part No.SS3042)

Schaeffler Shaft Seal, SS3042

from

$7.99
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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Most Popular Automatic Transmission Output Shaft Seals for 1999 Ford Expeditions

Enhance your 1999 Ford Expedition with one of the 3 Automatic Transmission Output Shaft Seals we have in stock, starting at just $7.99.
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Driveworks – Driveworks Oil Seal, S-7300S (Part No.S-7300S)

Driveworks Oil Seal, S-7300S

from

$11.49
Value-priced seal meets all cataloged application requirements.
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(8 reviews)
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Schaeffler – Schaeffler Shaft Seal, SS2664 (Part No.SS2664)

Schaeffler Shaft Seal, SS2664

from

$9.99
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

Schaeffler – Schaeffler Shaft Seal, SS3042 (Part No.SS3042)

Schaeffler Shaft Seal, SS3042

from

$7.99
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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Best-Selling 1999 Ford Expedition Pinion Seals

Upgrade your Expedition with one of our 2 best-selling Pinion Seals, earning an average 2.5 stars rating across 29 reviews.
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National – National Multi-Purpose Seal, 3604 (Part No.3604)

National Multi-Purpose Seal, 3604

from

$13.49
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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(28 reviews)
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Driveworks – Driveworks Oil Seal, S-3604 (Part No.S-3604)

Driveworks Oil Seal, S-3604

from

$7.99
Value-priced seal meets all cataloged application requirements.
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(1 reviews)
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Top-Quality Transmission Seals and O-rings for 1999 Ford Expeditions

Choose a high-quality OEM or aftermarket Transmission Seals and O-ring for Ford Expeditions and enjoy top-notch performance from $4.29.
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National – National Automatic Transmission Extension Housing Seal, 4765 (Part No.4765)

National Automatic Transmission Extension Housing Seal, 4765

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.
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(5 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, 4764 (Part No.4764)

National Multi-Purpose Seal, 4764

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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(3 reviews)
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National – National Automatic Transmission Extension Housing Seal, 4981V (Part No.4981V)

National Automatic Transmission Extension Housing Seal, 4981V

from

$25.99
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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Top Picks for 1999 Ford Expedition Extension Housing Seals

Invest in one of our 4 durable Extension Housing Seals for your 1999 Ford, knowing you’re getting trusted brands and expert craftsmanship.
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National – National Multi-Purpose Seal, 7300S (Part No.7300S)

National Multi-Purpose Seal, 7300S

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.
See More

(3 reviews)
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National – National Automatic Transmission Extension Housing Seal, 100086 (Part No.100086)

National Automatic Transmission Extension Housing Seal, 100086

from

$20.29
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

ATP – ATP Automatic Transmission Extension Housing Seal, FO-199 (Part No.FO-199)

ATP Automatic Transmission Extension Housing Seal, FO-199

from

$18.49
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Extension Housing Seal, LO-42 (Part No.LO-42)

ATP Automatic Transmission Extension Housing Seal, LO-42

from

$13.79
ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts
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Our Manual Transmission Output Shaft Seals for 1999 Ford Expeditions

Make a smart move for your 1999 Ford Expedition with our Manual Transmission Output Shaft Seal for $40.99.
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Schaeffler – Schaeffler Repair Sleeve, SR3501 (Part No.SR3501)

Schaeffler Repair Sleeve, SR3501

from

$40.99
The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.
See More
View Product

Top-Rated Transmission Seal Brands For Your 1999 Ford Expedition

When it comes to finding the perfect Transmission Seal for your 1999 Ford Expedition, 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 $11.49. Purchasing a Transmission Seal from us here at Advance Auto Parts is a smart move for both you and your 1999 Ford Expedition, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1999 Ford Expedition Transmission Seals

If you’re looking for a top-quality Transmission Seal for your 1999 Ford Expedition, 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 $14.49 and an average cost of $19.82, you’ll find the perfect Transmission Seal for your needs and budget. National Transmission Seals for the 1999 Ford Expedition come highly rated, with over 13 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, 7300S
from $17.99
(3)
National Multi-Purpose Seal, 7300S
“Fit perfectly and stopped the leak. For anyone who needs to know, I used this seal for my Tremec TKO 600 transmission. This seal is a direct replaceme”
National Automatic Transmission Extension Housing Seal Kit, 5203
from $26.99
(5)
National Automatic Transmission Extension Housing Seal Kit, 5203
“This is the correct fit rear extension housing seal for my 1969 FMX transmission in my 1969 Mercury Cougar. Finding the seal with the bushing is a plu”
National Automatic Transmission Extension Housing Seal, 4765
from $14.49
(5)
National Automatic Transmission Extension Housing Seal, 4765
“Perfect fit for 4r70w transmission”

Top-Quality Driveworks 1999 Ford Expedition Transmission Seals

For those in search of a high-quality Transmission Seal for their 1999 Ford Expedition, 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 $11.49, giving you a range of options to suit your budget. Backed by over 8 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-7300S
from $11.49
(8)
Driveworks Oil Seal, S-7300S
“Nice price 👍 perfect fit 👌”

FAQs for 1999 Ford Expedition Transmission Seals

What are the best-selling Transmission Seals for 1999 Ford Expeditions?

Out of 24 Transmission Seals that fit 1999 Ford Expeditions, the following parts are the top sellers:

What’s the price range for 1999 Ford Expedition Transmission Seals?

The prices of Transmission Seals for the 1999 Ford Expedition range from $2.29 up to $40.99 for the most premium parts.

What is the average price of a Transmission Seal for a 1999 Ford Expedition?

The average price for Transmission Seals for the 1999 Ford Expedition is $15.13. 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 Ford Expedition model years?

Yes, we carry Transmission Seals for 27 model years of Ford Expeditions between 1997 and 2025. The following model years are the most popular for Transmission Seal purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Transmission Seals for my 1999 Ford Expedition?

The cheapest 1999 Ford Expedition Transmission Seals we carry are:

Does Advance Auto Parts sell Transmission Seals for any other 1999 Ford models?

Yes. We stock Transmission Seals for 20 other popular 1999 Ford models. Some of the most popular are 1999 F-150 Transmission Seals, 1999 F-250 Transmission Seals, 1999 Mustang Transmission Seals, 1999 E-250 Econoline Transmission Seals, and 1999 E-350 Econoline Transmission Seals.

What are the top-rated Transmission Seals that fit the 1999 Ford Expedition?

The one 1999 Ford Expedition Transmission Seal we have in stock is the Driveworks Oil Seal, S-7929-S. It costs $2.29.

What types of Transmission Seals do you sell for my 1999 Ford Expedition?

As of 8/2/26, these are some of the most in-demand types of Transmission Seals for a 1999 Ford Expedition:

Can I get help with 1999 Ford Expedition Transmission Seal orders?

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

What is your return policy for Ford Expedition Transmission Seals?

Advance Auto Parts keeps returns simple. For new Ford Expedition 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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