1966 Cadillac Eldorado Automatic Transmission Parts
Keep Your 1966 Cadillac Eldorado in Top Shape with Quality Automatic Transmission Parts
Whether you’re repairing or upgrading your Automatic Transmission Part, 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 Transmission Modulator Valves, Transmission Bushings, and Automatic Transmission Kickdown Cable Brackets. 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 Automatic Transmission Parts from Trusted Brands
Looking for a reliable Automatic Transmission Part? We’ve got you covered with options from brands you know and trust like B & M. For example, B & M Automatic Transmission Parts start at just $33.99 with an average 4.1 star rating. With over 5 reviews and a solid 4 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 Automatic Transmission Part at Advance Auto Parts is around $44.49, with a range that starts at $3.99 and goes up to $125.99. With 10 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions, AT OIL PUMP ORING, and AT MODULATOR VALVE start at just $8.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Automatic Transmission Part, 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 Automatic Transmission Parts
Looking for the perfect Automatic Transmission Part for your 1966 Cadillac Eldorado? You’re in the right place. Below, you’ll find links to various types of Automatic Transmission Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Automatic Transmission Parts, 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 Automatic Transmission Parts 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 Parts that fit your vehicle.
Essential 1966 Cadillac Eldorado Automatic Transmission Parts
ATP – AT OIL PUMP ORING (Part No.SO-21)
from
$8.99
AT OIL PUMP ORING
Dorman – Help – Brake and Clutch Bushings (Part No.74016)
from
$10.99
This brake pedal bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this brake pedal bushing matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
ATP – AT FRT PUMP BUSHING (Part No.CB-4)
from
$10.99
AT FRT PUMP BUSHING
ATP – AT FRT PUMP BUSHING (Part No.CB-30)
from
$11.99
AT FRT PUMP BUSHING
ATP – AT MODULATOR VALVE (Part No.JX-70)
from
$46.99
AT MODULATOR VALVE
ATP – AT MODULATOR VALVE (Part No.JX-66)
from
$17.99
AT MODULATOR VALVE
ATP – AT MODULATOR VALVE (Part No.JX-76)
from
$48.99
AT MODULATOR VALVE
Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)
from
$33.99
Fully adjustable vacuum modulator to maintain accurate shift points.
Product Features:
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Product Features:
- Meets or exceeds OE fit, form and function
B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)
from
$124.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.
Product Features:
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Product Features:
- Automatic Transmission Dip Stick
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$125.99
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
B & M – Cable Bracket (Part No.30499)
from
$33.99
Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.
Product Features:
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Product Features:
- Shifter Service Parts
Edelbrock – Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (Part No.8026)
from
$19.99
Product Features:
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- Edelbrock Part # 8026 GM Transmission adapter is for use with 2004R, 700R4, 4L60 transmissions.
- This kit relocates the pin position on an Edelbrock Carburetor when hooking up to a throttle valve style transmission (700R4, 2004R, 4L60).
- The pin location is critical as the TV controls line pressure, shift points, shift firmness, and part throttle downshifts.
ATP – AT SOLENOID SEAL (Part No.JO-15)
from
$3.99
AT SOLENOID SEAL
Popular 1966 Cadillac Eldorado Automatic Transmission Parts Categories
Most Popular Transmission Modulator Valves for 1966 Cadillac Eldorados
Enhance your 1966 Cadillac Eldorado with one of the 3 Transmission Modulator Valves we have in stock, starting at just $17.99.
B & M – Modulator (Part No.20234)
from
$48.99
B&M’s vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400.
Product Features:
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Product Features:
- Fully Adjustable
- Allows You To Tailor Shift Points
- Comes Supplied Pre-Adjusted
ATP – AT MODULATOR VALVE (Part No.JX-76)
from
$48.99
AT MODULATOR VALVE
ATP – AT MODULATOR VALVE (Part No.JX-66)
from
$17.99
AT MODULATOR VALVE
Best-Selling 1966 Cadillac Eldorado Transmission Bushing
Upgrade your Eldorado with our best-selling Transmission Bushing.
ATP – AT FRT PUMP BUSHING (Part No.CB-4)
from
$10.99
AT FRT PUMP BUSHING
Top-Quality Automatic Transmission Kickdown Cable Brackets for 1966 Cadillac Eldorados
Choose a high-quality OEM or aftermarket Automatic Transmission Kickdown Cable Bracket for Cadillac Eldorados and enjoy top-notch performance from $19.99.
Edelbrock – Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (Part No.8026)
from
$19.99
Product Features:
See More
- Edelbrock Part # 8026 GM Transmission adapter is for use with 2004R, 700R4, 4L60 transmissions.
- This kit relocates the pin position on an Edelbrock Carburetor when hooking up to a throttle valve style transmission (700R4, 2004R, 4L60).
- The pin location is critical as the TV controls line pressure, shift points, shift firmness, and part throttle downshifts.
Our Top Pick for a 1966 Cadillac Eldorado Automatic Transmission Governor
Invest in a
durable Automatic Transmission Governor for your 1966 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$125.99
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
Our Transmission Dipsticks for 1966 Cadillac Eldorados
Make a smart move for your 1966 Cadillac Eldorado with our Transmission Dipstick for $124.99.
B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)
from
$124.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.
Product Features:
See More
Product Features:
- Automatic Transmission Dip Stick
Top-Rated Automatic Transmission Part Brands For Your 1966 Cadillac Eldorado
When it comes to finding the perfect Automatic Transmission Part 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 Automatic Transmission Part brands including B & M, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $33.99. Purchasing a Automatic Transmission Part 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 B & M 1966 Cadillac Eldorado Automatic Transmission Parts
If you’re looking for a top-quality Automatic Transmission Part for your 1966 Cadillac Eldorado, Advance Auto Parts has exactly what you need with our selection of B & M Automatic Transmission Parts. We have 1 B & M Automatic Transmission Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $33.99, you’ll find the perfect Automatic Transmission Part for your needs and budget. B & M Automatic Transmission Parts for the 1966 Cadillac Eldorado come highly rated, with over 1 customer reviews and an impressive average rating of 4.1 stars. Choosing a B & M Automatic Transmission Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
FAQs for 1966 Cadillac Eldorado Automatic Transmission Parts
What are the best-selling Automatic Transmission Parts for 1966 Cadillac Eldorados?
Out of 10 Automatic Transmission Parts that fit 1966 Cadillac Eldorados, the following parts are the top sellers:
- Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (11668843) – $19.99
- AT OIL PUMP ORING (11236298) – $8.99
- AT MODULATOR VALVE (11239048) – $48.99
What’s the price range for 1966 Cadillac Eldorado Automatic Transmission Parts?
The prices of Automatic Transmission Parts for the 1966 Cadillac Eldorado range from $3.99 up to $125.99 for the most premium parts.
What is the average price of an Automatic Transmission Part for a 1966 Cadillac Eldorado?
The average price for Automatic Transmission Parts for the 1966 Cadillac Eldorado is $44.49. Keep in mind the variety of part types within our Automatic Transmission Part 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 Parts for other Cadillac Eldorado model years?
What are the cheapest Automatic Transmission Parts for my 1966 Cadillac Eldorado?
The cheapest 1966 Cadillac Eldorado Automatic Transmission Parts we carry are:
- AT SOLENOID SEAL (11239035) – $3.99
- AT OIL PUMP ORING (11236298) – $8.99
- AT FRT PUMP BUSHING (11237261) – $10.99
- AT MODULATOR VALVE (11239193) – $17.99
- Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (11668843) – $19.99
Does Advance Auto Parts sell Automatic Transmission Parts for any other 1966 Cadillac models?
Yes. We stock Automatic Transmission Parts for 3 other popular 1966 Cadillac models. Some of the most popular are 1966 DeVille Automatic Transmission Parts, 1966 Fleetwood Automatic Transmission Parts, 1966 Calais Automatic Transmission Parts, and 1966 Commercial Chassis Automatic Transmission Parts.
What are the top-rated Automatic Transmission Parts that fit the 1966 Cadillac Eldorado?
Based on 5 reviews by customers, our 1966 Cadillac Eldorado Automatic Transmission Parts have an average customer rating of 4 stars. These are the highest-rated categories of Automatic Transmission Parts for the 1966 Cadillac Eldorado and their top-rated products:
- Automatic Transmission Fluid Filler Tube Seals
- AT SOLENOID SEAL (11239035) – $3.99
- Automatic Transmission Shifter Cable Brackets
- Cable Bracket (17130018) – $33.99
What types of Automatic Transmission Parts do you sell for my 1966 Cadillac Eldorado?
As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Parts for a 1966 Cadillac Eldorado:
Can I get help with 1966 Cadillac Eldorado Automatic Transmission Part 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 Parts and more.
What is your return policy for Cadillac Eldorado Automatic Transmission Parts?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.