1966 Cadillac DeVille Automatic Transmission Parts

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Keep Your 1966 Cadillac DeVille 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 DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Bushings, Transmission Bands, and Transmission Modulator Valves. 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 DeVille Automatic Transmission Part at Advance Auto Parts is around $30.64, with a range that starts at $4.29 and goes up to $99.99. With 11 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like AT OIL PUMP ORING, AT MODULATOR VALVE, and AT MODULATOR VALVE start at just $9.59 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 DeVille in peak condition, inside and out.

Essential 1966 Cadillac DeVille Automatic Transmission Parts

ATP – AUTO TRANS BAND (Part No.JX-58)

AUTO TRANS BAND

from

$29.99
AUTO TRANS BAND

ATP – AUTO TRANS BAND (Part No.CX-32)

AUTO TRANS BAND

from

$29.99
AUTO TRANS BAND

ATP – AT OIL PUMP ORING (Part No.SO-21)

AT OIL PUMP ORING

from

$9.59
AT OIL PUMP ORING

ATP – AT SOLENOID SEAL (Part No.JO-15)

AT SOLENOID SEAL

from

$4.29
AT SOLENOID SEAL

Pro-King – Automatic Transmission Solenoid (Part No.52-0216)

Automatic Transmission Solenoid

from

$28.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.

Product Features:
  • Meets or exceeds OE specifications
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ATP – AT CONTR SOLENOID (Part No.SE-1)

AT CONTR SOLENOID

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$118.99
AT CONTR SOLENOID

ATP – AT CONTR SOLENOID (Part No.JE-53)

AT CONTR SOLENOID

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$94.99
AT CONTR SOLENOID

Carquest Premium – Automatic Transmission Control Solenoid (Part No.SBA4952)

Automatic Transmission Control Solenoid

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$38.99
An automatic transmission is a hydraulic multi-speed device that does not require any input from the vehicle operator other than selecting vehicle direction. Hydraulic pressure is controlled by a series of electronic shift solenoids that are commanded by the transmission control module. Planetary gear sets and hydraulically controlled shift plates and brake bands apply power to the main shaft in the transmission and out to the vehicles drive wheels.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Precision-wound coated copper windings increase product durability and life cycle.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
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B & M – Modulator (Part No.20234)

Modulator

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$49.99
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:
  • Fully Adjustable
  • Allows You To Tailor Shift Points
  • Comes Supplied Pre-Adjusted
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Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

Automatic Transmission Vacuum Modulator

from

$33.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE specifications
See More

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1031)

Automatic Transmission Modulator Valve

from

$22.99
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.

Product Features:
  • Application matched component ensures the transmission gear position system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • This part will look and function just like the original unit being replaced.
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Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)

Automatic Transmission Vacuum Modulator

from

$21.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE fit, form and function
See More

ATP – AT MODULATOR VALVE (Part No.JX-76)

AT MODULATOR VALVE

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$51.99
AT MODULATOR VALVE

ATP – AT CLUTCH PLATE (Part No.CC-22)

AT CLUTCH PLATE

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$26.49
AT CLUTCH PLATE

ATP – AT CLUTCH PLATE (Part No.JC-57)

AT CLUTCH PLATE

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$13.79
AT CLUTCH PLATE

ATP – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

from

$9.59
AT CLUTCH PLATE

ATP – AT FRT PUMP BUSHING (Part No.CB-4)

AT FRT PUMP BUSHING

from

$11.79
AT FRT PUMP BUSHING

ATP – AT FRT PUMP BUSHING (Part No.CB-30)

AT FRT PUMP BUSHING

from

$12.79
AT FRT PUMP BUSHING

B & M – Cable Bracket (Part No.30498)

Cable Bracket

from

$33.99
Cable Bracket, GM (Bandit style shifters only) APPLICATION: For TH-400, 350, 250, 200, 700R4, 200-4R with 80797, 80798 or 81050 shifter.

Product Features:
  • Shifter Service Parts
  • Steel
  • Natural Finish
  • Sold individually
  • Replacement for Bandit shifters
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Most Popular Transmission Bushing for 1966 Cadillac DeVilles

Enhance your 1966 Cadillac DeVille with this popular Transmission Bushing we have in stock, for $11.79.

ATP – AT FRT PUMP BUSHING (Part No.CB-4)

AT FRT PUMP BUSHING

from

$11.79
AT FRT PUMP BUSHING

Best-Selling 1966 Cadillac DeVille Transmission Band

Upgrade your DeVille with our best-selling Transmission Band.

ATP – AUTO TRANS BAND (Part No.JX-58)

AUTO TRANS BAND

from

$29.99
AUTO TRANS BAND

Top-Quality Transmission Modulator Valves for 1966 Cadillac DeVilles

Choose a high-quality OEM or aftermarket Transmission Modulator Valve for Cadillac DeVilles and enjoy top-notch performance from $21.99.

B & M – Modulator (Part No.20234)

Modulator

from

$49.99
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:
  • Fully Adjustable
  • Allows You To Tailor Shift Points
  • Comes Supplied Pre-Adjusted
See More

ATP – AT MODULATOR VALVE (Part No.JX-76)

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

ATP – AT MODULATOR VALVE (Part No.JX-66)

AT MODULATOR VALVE

from

$21.99
AT MODULATOR VALVE

Our Top Pick for a 1966 Cadillac DeVille Transmission Solenoid

Invest in a durable Transmission Solenoid for your 1966 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

Kickdown Switch Kit For TH400 Transmission

from

$99.99
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.

Product Features:
  • Allows High Speed Cruise
  • Cruise In Overdrive
  • Prevents Part Throttle Kickdown
  • Quick Installation
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Our Top-Rated Automatic Transmission Fluid Filler Tube Seals for 1966 Cadillac DeVilles

Make a smart move for your 1966 Cadillac DeVille with our Automatic Transmission Fluid Filler Tube Seal for $4.29.

ATP – AT SOLENOID SEAL (Part No.JO-15)

AT SOLENOID SEAL

from

$4.29
AT SOLENOID SEAL

FAQs for 1966 Cadillac DeVille Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 1966 Cadillac DeVilles?

Out of 11 Automatic Transmission Parts that fit 1966 Cadillac DeVilles, the following parts are the top sellers:

What’s the price range for 1966 Cadillac DeVille Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 1966 Cadillac DeVille range from $4.29 up to $99.99 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 1966 Cadillac DeVille?

The average price for Automatic Transmission Parts for the 1966 Cadillac DeVille is $30.64. 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 DeVille model years?

Yes, we carry Automatic Transmission Parts for 40 model years of Cadillac DeVilles between 1964 and 2005. The following model years are the most popular for Automatic Transmission Part purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Automatic Transmission Parts for my 1966 Cadillac DeVille?

The cheapest 1966 Cadillac DeVille Automatic Transmission Parts we carry are:

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 Eldorado 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 DeVille?

Based on 4 reviews by customers, our 1966 Cadillac DeVille 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 DeVille and their top-rated products:
  • Transmission Modulator Valves
  • Automatic Transmission Fluid Filler Tube Seals

What types of Automatic Transmission Parts do you sell for my 1966 Cadillac DeVille?

As of 3/1/26, these are some of the most in-demand types of Automatic Transmission Parts for a 1966 Cadillac DeVille:

Can I get help with 1966 Cadillac DeVille 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 DeVille Automatic Transmission Parts?

Advance Auto Parts keeps returns simple. For new Cadillac DeVille Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.