1978 Cadillac Eldorado Automatic Transmission Kits
Keep Your 1978 Cadillac Eldorado in Top Shape with Quality Automatic Transmission Kits
Whether you’re repairing or upgrading your Automatic Transmission Kit, using high-quality parts is key to keeping your 1978 Cadillac Eldorado looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Master Repair Kits, Transmission Shift Kits, and Transmission Rebuild Kits. 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.
Competitive Prices and Extensive Inventory
The average price for a 1978 Cadillac Eldorado Automatic Transmission Kit at Advance Auto Parts is around $156.66, with a range that starts at $73.99 and goes up to $393.99. With 6 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like AT MSTR REP KIT PLUS, AT OVERHAUL KIT, and AT BANNER KIT start at just $81.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Automatic Transmission Kit, 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 1978 Cadillac Eldorado in peak condition, inside and out.
Find Your Specific 1978 Cadillac Eldorado Automatic Transmission Kits
Looking for the perfect Automatic Transmission Kit for your 1978 Cadillac Eldorado? You’re in the right place. Below, you’ll find links to various types of Automatic Transmission Kits that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Automatic Transmission Kits, ensuring durability and a precise fit for your Cadillac Eldorado. Whether you’re driving a 1978 model or another popular model year like
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001, and
2002, we’ve got you covered. Purchasing Automatic Transmission Kits 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 Automatic Transmission Kits that fit your vehicle.
Essential 1978 Cadillac Eldorado Automatic Transmission Kits
ATP – AT BANNER KIT (Part No.JM-10)
from
$179.99
AT BANNER KIT
B & M – Transmission Kit, Master Overhaul Kit For TH400 (Part No.21041)
from
$459.99
These kits include all of the necessary components to rebuild your automatic transmission. OEM style gaskets included. Kits do not include overhaul instructions – please refer to factory shop manual for proper assembly procedures.
Product Features:
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Product Features:
- Complete High Perf. Or Racing Trans. Overhaul
- Includes Only OEM Valvebody Gaskets
- Instructions Not Included
ATP – AT OVERHAUL KIT (Part No.JGS-52)
from
$81.99
AT OVERHAUL KIT
ATP – AT MSTR REP KIT PLUS (Part No.JMS-9)
from
$393.99
AT MSTR REP KIT PLUS
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)
from
$78.99
This Basic Rebuild Kit contains a complete Gasket Kit and Friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
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Product Features:
- Meets or exceeds OE specifications
ATP – AT MASTER REPAIR KIT (Part No.JM-26)
from
$1236.00
AT MASTER REPAIR KIT
ATP – AT MASTER REPAIR KIT (Part No.JM-27)
from
$1120.00
AT MASTER REPAIR KIT
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-15)
from
$268.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
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Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$128.99
This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.
Product Features:
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Product Features:
- Adjust Shift Points Of Transmission
- Useful For Light Vehicles
- For Low Rear End Gear Ratio
- Or Useful If It Is Conversion
ATP – AT SHIFT KIT (Part No.JK-1)
from
$80.99
AT SHIFT KIT
B & M – Shift Improver Kit For 65-87 TH400 Transmission (Part No.20260)
from
$73.99
The B&M Shift Improver Kit the easiest way to get the performance you’ve always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit.
Product Features:
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Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
Popular 1978 Cadillac Eldorado Automatic Transmission Kits Categories
Most Popular Transmission Master Repair Kit for 1978 Cadillac Eldorados
Enhance your 1978 Cadillac Eldorado with this popular Transmission Master Repair Kit we have in stock, for $393.99.
ATP – AT MSTR REP KIT PLUS (Part No.JMS-9)
from
$393.99
AT MSTR REP KIT PLUS
Best-Selling 1978 Cadillac Eldorado Transmission Shift Kits
Upgrade your Eldorado with one of our 3 best-selling Transmission Shift Kits.
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$128.99
This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.
Product Features:
See More
Product Features:
- Adjust Shift Points Of Transmission
- Useful For Light Vehicles
- For Low Rear End Gear Ratio
- Or Useful If It Is Conversion
ATP – AT SHIFT KIT (Part No.JK-1)
from
$80.99
AT SHIFT KIT
B & M – Shift Improver Kit For 65-87 TH400 Transmission (Part No.20260)
from
$73.99
The B&M Shift Improver Kit the easiest way to get the performance you’ve always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit.
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
Top-Quality Transmission Rebuild Kits for 1978 Cadillac Eldorados
Choose a high-quality OEM or aftermarket Transmission Rebuild Kit for Cadillac Eldorados and enjoy top-notch performance from $81.99.
ATP – AT BANNER KIT (Part No.JM-10)
from
$179.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.JGS-52)
from
$81.99
AT OVERHAUL KIT
FAQs for 1978 Cadillac Eldorado Automatic Transmission Kits
What are the best-selling Automatic Transmission Kits for 1978 Cadillac Eldorados?
Out of 6 Automatic Transmission Kits that fit 1978 Cadillac Eldorados, the following parts are the top sellers:
- AT MSTR REP KIT PLUS (11238803) – $393.99
- AT OVERHAUL KIT (11238741) – $81.99
- AT BANNER KIT (11238675) – $179.99
What’s the price range for 1978 Cadillac Eldorado Automatic Transmission Kits?
The prices of Automatic Transmission Kits for the 1978 Cadillac Eldorado range from $73.99 up to $393.99 for the most premium parts.
What is the average price of an Automatic Transmission Kit for a 1978 Cadillac Eldorado?
The average price for Automatic Transmission Kits for the 1978 Cadillac Eldorado is $156.66. Keep in mind the variety of part types within our Automatic Transmission Kit category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Automatic Transmission Kits for other Cadillac Eldorado model years?
What are the cheapest Automatic Transmission Kits for my 1978 Cadillac Eldorado?
The cheapest 1978 Cadillac Eldorado Automatic Transmission Kits we carry are:
- Shift Improver Kit For 65-87 TH400 Transmission (6121209) – $73.99
- AT SHIFT KIT (11239173) – $80.99
- AT OVERHAUL KIT (11238741) – $81.99
- Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (17130005) – $128.99
- AT BANNER KIT (11238675) – $179.99
Does Advance Auto Parts sell Automatic Transmission Kits for any other 1978 Cadillac models?
Yes. We stock Automatic Transmission Kits for 3 other popular 1978 Cadillac models. Some of the most popular are 1978 DeVille Automatic Transmission Kits, 1978 Seville Automatic Transmission Kits, 1978 Fleetwood Automatic Transmission Kits, and 1978 Commercial Chassis Automatic Transmission Kits.
What types of Automatic Transmission Kits do you sell for my 1978 Cadillac Eldorado?
As of 3/1/26, these are some of the most in-demand types of Automatic Transmission Kits for a 1978 Cadillac Eldorado:
Can I get help with 1978 Cadillac Eldorado Automatic Transmission Kit orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Automatic Transmission Kits and more.
What is your return policy for Cadillac Eldorado Automatic Transmission Kits?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Automatic Transmission Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.