1966 Chevrolet K20 Pickup Automatic Transmission Parts
Keep Your 1966 Chevrolet K20 Pickup 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 Chevrolet K20 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Kickdown Cable Brackets, Transmission Dipsticks, and Automatic Transmission Governors. 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 Chevrolet K20 Pickup Automatic Transmission Part at Advance Auto Parts is around $50.60, with a range that starts at $7.29 and goes up to $139.99. With 12 options in stock from 6 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 Clutch Pilot Bushing start at just $7.29 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 Chevrolet K20 Pickup in peak condition, inside and out.
Find Your Specific 1966 Chevrolet K20 Pickup Automatic Transmission Parts
Looking for the perfect Automatic Transmission Part for your 1966 Chevrolet K20 Pickup? 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 Chevrolet K20 Pickup. Whether you’re driving a 1966 model or another popular model year like
1965,
1967,
1968,
1969,
1970,
1971,
1972,
1973, and
1974, 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 Chevrolet K20 Pickup Automatic Transmission Parts
ATP – AT CLUTCH PLATE (Part No.SC-30)
from
$6.99
AT CLUTCH PLATE
ATP – AT CLUTCH PLATE (Part No.SC-26)
from
$9.99
AT CLUTCH PLATE
ATP – AT CLUTCH PLATE (Part No.JC-57)
from
$12.99
AT CLUTCH PLATE
ATP – AT FRT PUMP BUSHING (Part No.CB-4)
from
$10.99
AT FRT PUMP BUSHING
Dorman – Clutch Pilot Bushing (Part No.690-014.1)
from
$7.29
This clutch pilot 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:
See More
Product Features:
- Direct replacement – this clutch pilot 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 OIL PUMP ORING (Part No.SO-21)
from
$8.99
AT OIL PUMP ORING
Mr. Gasket – Automatic Transmission Dipstick With Tube (Part No.9690)
from
$48.99
Fits GM (General Motors) Powerglide transmissions with an aluminum case. Chrome plated dipstick that includes O-ring for a positive seal.
Product Features:
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Product Features:
- Chrome Plated
- Includes O-Ring
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
Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)
from
$33.99
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.
Product Features:
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Product Features:
- Fits GM Th350 – Chevy Specific. Modify For Others
- 27 In Length
- Chrome Plated Steel
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.
B & M – Shifter Accessory, Pro Stick Aluminum Cover (Part No.80717)
from
$139.99
Replacement aluminum cover for your B&M Pro Stick.
Product Features:
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Product Features:
- Pro Stick; Brushed Aluminum Cover
- Aluminum Cover
- Replacement Part
- Sold individually
- B&M quality
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
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
ATP – AT MODULATOR VALVE (Part No.JX-66)
from
$17.99
AT MODULATOR VALVE
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:
See More
Product Features:
- Fully Adjustable
- Allows You To Tailor Shift Points
- Comes Supplied Pre-Adjusted
Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1033)
from
$39.99
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:
See More
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.
Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)
from
$34.49
Fully adjustable vacuum modulator to maintain accurate shift points.
Product Features:
See More
Product Features:
- Meets or exceeds OE fit, form and function
Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-33)
from
$28.99
Fully adjustable vacuum modulator to maintain accurate shift points.
Product Features:
See More
Product Features:
- Meets or exceeds OE fit, form and function
Popular 1966 Chevrolet K20 Pickup Automatic Transmission Parts Categories
Most Popular Automatic Transmission Kickdown Cable Bracket for 1966 Chevrolet K20 Pickups
Enhance your 1966 Chevrolet K20 Pickup with this popular Automatic Transmission Kickdown Cable Bracket we have in stock, for $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.
Best-Selling 1966 Chevrolet K20 Pickup Transmission Dipsticks
Upgrade your K20 Pickup with one of our 2 best-selling Transmission Dipsticks.
Mr. Gasket – Automatic Transmission Dipstick With Tube (Part No.9690)
from
$48.99
Fits GM (General Motors) Powerglide transmissions with an aluminum case. Chrome plated dipstick that includes O-ring for a positive seal.
Product Features:
See More
Product Features:
- Chrome Plated
- Includes O-Ring
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-Quality Automatic Transmission Governors for 1966 Chevrolet K20 Pickups
Choose a high-quality OEM or aftermarket Automatic Transmission Governor for Chevrolet K20 Pickups and enjoy top-notch performance from $125.99.
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
Top Picks for 1966 Chevrolet K20 Pickup Transmission Bushings
Invest in one of our 2 durable Transmission Bushings for your 1966 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.
Dorman – Clutch Pilot Bushing (Part No.690-014.1)
from
$7.29
This clutch pilot 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:
See More
Product Features:
- Direct replacement – this clutch pilot 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
Top-Rated Transmission Modulator Valves for 1966 Chevrolet K20 Pickups
Make a smart move for your 1966 Chevrolet K20 Pickup with products all priced from $17.99 to $48.99.
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:
See More
Product Features:
- Fully Adjustable
- Allows You To Tailor Shift Points
- Comes Supplied Pre-Adjusted
ATP – AT MODULATOR VALVE (Part No.JX-66)
from
$17.99
AT MODULATOR VALVE
Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1033)
from
$39.99
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:
See More
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.
FAQs for 1966 Chevrolet K20 Pickup Automatic Transmission Parts
What are the best-selling Automatic Transmission Parts for 1966 Chevrolet K20 Pickups?
Out of 12 Automatic Transmission Parts that fit 1966 Chevrolet K20 Pickups, 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
- Clutch Pilot Bushing (20330523) – $7.29
What’s the price range for 1966 Chevrolet K20 Pickup Automatic Transmission Parts?
The prices of Automatic Transmission Parts for the 1966 Chevrolet K20 Pickup range from $7.29 up to $139.99 for the most premium parts.
What is the average price of an Automatic Transmission Part for a 1966 Chevrolet K20 Pickup?
The average price for Automatic Transmission Parts for the 1966 Chevrolet K20 Pickup is $50.60. 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 Chevrolet K20 Pickup model years?
What are the cheapest Automatic Transmission Parts for my 1966 Chevrolet K20 Pickup?
The cheapest 1966 Chevrolet K20 Pickup Automatic Transmission Parts we carry are:
- Clutch Pilot Bushing (20330523) – $7.29
- AT OIL PUMP ORING (11236298) – $8.99
- AT FRT PUMP BUSHING (11237261) – $10.99
- AT CLUTCH PLATE (11239107) – $12.99
- AT MODULATOR VALVE (11239193) – $17.99
Does Advance Auto Parts sell Automatic Transmission Parts for any other 1966 Chevrolet models?
Yes. We stock Automatic Transmission Parts for 19 other popular 1966 Chevrolet models. Some of the most popular are 1966 Impala Automatic Transmission Parts, 1966 Malibu Automatic Transmission Parts, 1966 Corvette Automatic Transmission Parts, 1966 Caprice Automatic Transmission Parts, and 1966 El Camino Automatic Transmission Parts.
What are the top-rated Automatic Transmission Parts that fit the 1966 Chevrolet K20 Pickup?
The one 1966 Chevrolet K20 Pickup Automatic Transmission Part we have in stock is the Clutch Pilot Bushing. It costs $7.29.
What types of Automatic Transmission Parts do you sell for my 1966 Chevrolet K20 Pickup?
As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Parts for a 1966 Chevrolet K20 Pickup:
Can I get help with 1966 Chevrolet K20 Pickup 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 Chevrolet Automatic Transmission Parts and more.
What is your return policy for Chevrolet K20 Pickup Automatic Transmission Parts?
Advance Auto Parts keeps returns simple. For new Chevrolet K20 Pickup Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.