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 Bands, and Transmission Bushings. 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 1966 Cadillac Eldorado Automatic Transmission Part at Advance Auto Parts is around $58.97, with a range that starts at $11.79 and goes up to $132.99. With 8 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like ATP AT MODULATOR VALVE, JX-76, ATP AT MODULATOR VALVE, JX-66, and ATP Automatic Transmission Front Pump Bushing, CB-4 start at just $11.79 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 – ATP Automatic Transmission Front Pump Bushing (Pump Body), CB-30 (Part No.CB-30)
ATP – ATP Automatic Transmission Front Pump Bushing, CB-4 (Part No.CB-4)
B & M – B & M Kickdown Switch Kit For Th400 Transmission, 20297 (Part No.20297)
from
$103.99
When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.
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ATP – ATP Automatic Transmission Band (Front), JX-58 (Part No.JX-58)
ATP – ATP Automatic Transmission Band (Intermediate), CX-32 (Part No.CX-32)
B & M – B & M Aluminum Braided Dip Stick, Fits Th-400 Transmission, 22166 (Part No.22166)
from
$132.99
Dress up your street rod with this stainless steel braided dipstick featuring a billet aluminum knob with an o-ring for a leak proof seal. The dipstick fits GM TH400 automatic transmissions and mounts to the Bell housing. The handle has the B&M logo laser etched on the top showing everyone you appreciate quality.
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Carquest Premium – Carquest Automatic Transmission Modulator Valve, VMC1051 (Part No.VMC1051)
from
$66.99
The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.
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ATP – ATP AT MODULATOR VALVE, JX-76 (Part No.JX-76)
from
$51.99
ATP AT MODULATOR VALVE, JX-76. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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B & M – B & M Modulator, 20234 (Part No.20234)
from
$51.99
The B&M vacuum modulator is fully adjustable and allows you to fine-tune your shift points and shift feel. This is done by turning the adjustment screw inside of the vacuum line connection for more or less diaphragm preload, thus raising or lowering part throttle shift points and line pressures. For GM TH350 and TH400 automatic transmissions.
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Carquest Premium – Carquest Automatic Transmission Modulator Valve, VMC1023 (Part No.VMC1023)
from
$48.99
The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.
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Pro-King – Pro-King Automatic Transmission Vacuum Modulator, MD-28 (Part No.MD-28)
Carquest Premium – Carquest Automatic Transmission Modulator Valve, VMC1001 (Part No.VMC1001)
from
$68.99
The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.
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Pro-King – Pro-King Automatic Transmission Vacuum Modulator, MD-48 (Part No.MD-48)
ATP – ATP AT MODULATOR VALVE, JX-66 (Part No.JX-66)
from
$21.99
ATP AT MODULATOR VALVE, JX-66. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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ATP – ATP AT MODULATOR VALVE, JX-70 (Part No.JX-70)
from
$49.99
ATP AT MODULATOR VALVE, JX-70. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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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 4 Transmission Modulator Valves we have in stock, starting at just $21.99.
B & M – B & M Modulator, 20234 (Part No.20234)
from
$51.99
The B&M vacuum modulator is fully adjustable and allows you to fine-tune your shift points and shift feel. This is done by turning the adjustment screw inside of the vacuum line connection for more or less diaphragm preload, thus raising or lowering part throttle shift points and line pressures. For GM TH350 and TH400 automatic transmissions.
See More
ATP – ATP AT MODULATOR VALVE, JX-76 (Part No.JX-76)
from
$51.99
ATP AT MODULATOR VALVE, JX-76. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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ATP – ATP AT MODULATOR VALVE, JX-66 (Part No.JX-66)
from
$21.99
ATP AT MODULATOR VALVE, JX-66. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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Carquest Premium – Carquest Automatic Transmission Modulator Valve, VMC1051 (Part No.VMC1051)
from
$66.99
The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.
See More
Best-Selling 1966 Cadillac Eldorado Transmission Band
Upgrade your Eldorado with our best-selling Transmission Band.
ATP – ATP Automatic Transmission Band (Front), JX-58 (Part No.JX-58)
Top-Quality Transmission Bushings for 1966 Cadillac Eldorados
Choose a high-quality OEM or aftermarket Transmission Bushing for Cadillac Eldorados and enjoy top-notch performance from $11.79.
ATP – ATP Automatic Transmission Front Pump Bushing, CB-4 (Part No.CB-4)
Our Top Pick for a 1966 Cadillac Eldorado Automatic Transmission Kickdown
Invest in a
durable Automatic Transmission Kickdown for your 1966 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.
B & M – B & M Kickdown Switch Kit For Th400 Transmission, 20297 (Part No.20297)
from
$103.99
When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.
See More
Our Transmission Dipsticks for 1966 Cadillac Eldorados
Make a smart move for your 1966 Cadillac Eldorado with our Transmission Dipstick for $132.99.
B & M – B & M Aluminum Braided Dip Stick, Fits Th-400 Transmission, 22166 (Part No.22166)
from
$132.99
Dress up your street rod with this stainless steel braided dipstick featuring a billet aluminum knob with an o-ring for a leak proof seal. The dipstick fits GM TH400 automatic transmissions and mounts to the Bell housing. The handle has the B&M logo laser etched on the top showing everyone you appreciate quality.
See More
FAQs for 1966 Cadillac Eldorado Automatic Transmission Parts
What are the best-selling Automatic Transmission Parts for 1966 Cadillac Eldorados?
Out of 8 Automatic Transmission Parts that fit 1966 Cadillac Eldorados, the following parts are the top sellers:
- ATP AT MODULATOR VALVE, JX-76 (11239048) – $51.99
- ATP AT MODULATOR VALVE, JX-66 (11239193) – $21.99
- ATP Automatic Transmission Front Pump Bushing, CB-4 (11237261) – $11.79
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 $11.79 up to $132.99 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 $58.97. 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:
- ATP Automatic Transmission Front Pump Bushing, CB-4 (11237261) – $11.79
- ATP AT MODULATOR VALVE, JX-66 (11239193) – $21.99
- ATP Automatic Transmission Band (Front), JX-58 (11237524) – $29.99
- ATP AT MODULATOR VALVE, JX-76 (11239048) – $51.99
- B & M Modulator, 20234 (17130004) – $51.99
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?
The one 1966 Cadillac Eldorado Automatic Transmission Part we have in stock is the ATP Automatic Transmission Front Pump Bushing, CB-4. It costs $11.79.
What types of Automatic Transmission Parts do you sell for my 1966 Cadillac Eldorado?
As of 8/2/26, 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.