1966 Oldsmobile 98 Automatic Transmission Parts

Keep Your 1966 Oldsmobile 98 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 Oldsmobile 98 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Modulator Valves, Automatic Transmission Governors, 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 6 reviews and a solid 4 star average, you can shop with confidence knowing other Oldsmobile 98 owners approve.

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 Oldsmobile 98 in peak condition, inside and out.

Essential 1966 Oldsmobile 98 Automatic Transmission Parts

B & M – Cable Bracket (Part No.30499)

Cable Bracket

from

$33.99
Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.

Product Features:
  • Shifter Service Parts
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ATP – AT CLUTCH PLATE (Part No.JC-57)

AT CLUTCH PLATE

from

$12.99
AT CLUTCH PLATE

ATP – AT CLUTCH PLATE (Part No.SC-26)

AT CLUTCH PLATE

from

$9.99
AT CLUTCH PLATE

ATP – AT CLUTCH PLATE (Part No.SC-30)

AT CLUTCH PLATE

from

$6.99
AT CLUTCH PLATE

ATP – AT MODULATOR VALVE (Part No.JX-70)

AT MODULATOR VALVE

from

$46.99
AT MODULATOR VALVE

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

AT MODULATOR VALVE

from

$17.99
AT MODULATOR VALVE

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

AT MODULATOR VALVE

from

$48.99
AT MODULATOR VALVE

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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Edelbrock – Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (Part No.8026)

Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions

from

$19.99
Product Features:
  • 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.
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ATP – AT OIL PUMP ORING (Part No.SO-21)

AT OIL PUMP ORING

from

$8.99
AT OIL PUMP ORING

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

AT FRT PUMP BUSHING

from

$11.99
AT FRT PUMP BUSHING

Dorman – Clutch Pilot Bushing (Part No.690-014.1)

Clutch Pilot Bushing

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:
  • 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
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Dorman – Clutch Pilot Bushing (sold by each) (Part No.690-023)

Clutch Pilot Bushing (sold by each)

from

$5.49
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:
  • 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
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ATP – AT FRT PUMP BUSHING (Part No.CB-4)

AT FRT PUMP BUSHING

from

$10.99
AT FRT PUMP BUSHING

Dorman – Help – Brake and Clutch Bushings (Part No.74016)

Brake and Clutch Bushings

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:
  • 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
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Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)

Chrome Automatic Transmission Dipstick & Tube - 27" Length

from

$33.99
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.

Product Features:
  • Fits GM Th350 – Chevy Specific. Modify For Others
  • 27 In Length
  • Chrome Plated Steel
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B & M – Aluminum Braided Dip Stick, Fits TH-350 Transmission (Part No.22165)

Aluminum Braided Dip Stick, Fits TH-350 Transmission

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:
  • Automatic Transmission Dip Stick
  • Mounts to bellhousing
  • Sold as a kit
  • Natural finish
  • Fits TH350 & TH350C
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B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)

Aluminum Braided Dip Stick, Fits TH-400 Transmission

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:
  • Automatic Transmission Dip Stick
See More

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission

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:
  • Adjust Shift Points Of Transmission
  • Useful For Light Vehicles
  • For Low Rear End Gear Ratio
  • Or Useful If It Is Conversion
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Most Popular Transmission Modulator Valves for 1966 Oldsmobile 98s

Enhance your 1966 Oldsmobile 98 with one of the 3 Transmission Modulator Valves we have in stock, starting at just $17.99.

B & M – Modulator (Part No.20234)

Modulator

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:
  • Fully Adjustable
  • Allows You To Tailor Shift Points
  • Comes Supplied Pre-Adjusted
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ATP – AT MODULATOR VALVE (Part No.JX-76)

AT MODULATOR VALVE

from

$48.99
AT MODULATOR VALVE

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

AT MODULATOR VALVE

from

$17.99
AT MODULATOR VALVE

Best-Selling 1966 Oldsmobile 98 Automatic Transmission Governor

Upgrade your 98 with our best-selling Automatic Transmission Governor.

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission

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:
  • Adjust Shift Points Of Transmission
  • Useful For Light Vehicles
  • For Low Rear End Gear Ratio
  • Or Useful If It Is Conversion
See More

Top-Quality Automatic Transmission Kickdown Cable Brackets for 1966 Oldsmobile 98s

Choose a high-quality OEM or aftermarket Automatic Transmission Kickdown Cable Bracket for Oldsmobile 98s and enjoy top-notch performance from $19.99.

Edelbrock – Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (Part No.8026)

Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions

from

$19.99
Product Features:
  • 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.
See More

Our Top Pick for a 1966 Oldsmobile 98 Transmission Dipstick

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

B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)

Aluminum Braided Dip Stick, Fits TH-400 Transmission

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:
  • Automatic Transmission Dip Stick
See More

Our Transmission Bushings for 1966 Oldsmobile 98s

Make a smart move for your 1966 Oldsmobile 98 with our Transmission Bushing for $10.99.

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

AT FRT PUMP BUSHING

from

$10.99
AT FRT PUMP BUSHING

Top-Rated Automatic Transmission Part Brands For Your 1966 Oldsmobile 98

When it comes to finding the perfect Automatic Transmission Part for your 1966 Oldsmobile 98, 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 Oldsmobile 98, providing peace of mind with parts that meet or exceed OEM standards.

Popular B & M 1966 Oldsmobile 98 Automatic Transmission Parts

If you’re looking for a top-quality Automatic Transmission Part for your 1966 Oldsmobile 98, 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 Oldsmobile 98 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.
Cable Bracket
from $33.99
(1)
Cable Bracket
“Use it for a 700R4 swap, need to use B & M cable to fit”

FAQs for 1966 Oldsmobile 98 Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 1966 Oldsmobile 98s?

Out of 10 Automatic Transmission Parts that fit 1966 Oldsmobile 98s, the following parts are the top sellers:

What’s the price range for 1966 Oldsmobile 98 Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 1966 Oldsmobile 98 range from $8.99 up to $125.99 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 1966 Oldsmobile 98?

The average price for Automatic Transmission Parts for the 1966 Oldsmobile 98 is $45.39. 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 Oldsmobile 98 model years?

Yes, we carry Automatic Transmission Parts for 37 model years of Oldsmobile 98s between 1958 and 1996. The following model years are the most popular for Automatic Transmission Part purchases: 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, and 1988.

What are the cheapest Automatic Transmission Parts for my 1966 Oldsmobile 98?

The cheapest 1966 Oldsmobile 98 Automatic Transmission Parts we carry are:

Does Advance Auto Parts sell Automatic Transmission Parts for any other 1966 Oldsmobile models?

What are the top-rated Automatic Transmission Parts that fit the 1966 Oldsmobile 98?

The one 1966 Oldsmobile 98 Automatic Transmission Part we have in stock is the AT OIL PUMP ORING. It costs $8.99.

What types of Automatic Transmission Parts do you sell for my 1966 Oldsmobile 98?

As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Parts for a 1966 Oldsmobile 98:

Can I get help with 1966 Oldsmobile 98 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 Oldsmobile Automatic Transmission Parts and more.

What is your return policy for Oldsmobile 98 Automatic Transmission Parts?

Advance Auto Parts keeps returns simple. For new Oldsmobile 98 Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.