Chevrolet R20 Automatic Transmission Parts

Your One-Stop Shop For Trusted Chevrolet R20 Automatic Transmission Parts

If you’re in search of Chevrolet R20 Automatic Transmission Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 26 Automatic Transmission Parts from top brands with prices ranging from $3.99 to $1,634.99.

Beyond great prices, we stock trusted brands manufacturing all types of Automatic Transmission Parts for your Chevrolet R20. Of the 6 OEM and aftermarket parts brands we carry, some of the most popular are ATP, Pro-King, and Dorman.

And don’t forget to read customer reviews across all Automatic Transmission Parts categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Automatic Transmission Parts have to cost top dollar, and we prove it. Browse our top Chevrolet R20 Automatic Transmission Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Chevrolet R20 Automatic Transmission Parts

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

AT OIL PUMP ORING

from

$8.99
AT OIL PUMP ORING

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

AT SOLENOID SEAL

from

$3.99
AT SOLENOID SEAL

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

Automatic Transmission Vacuum Modulator

from

$33.49
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE fit, form and function
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ATP – AT MODULATOR VALVE (Part No.JX-66)

AT MODULATOR VALVE

from

$17.99
AT MODULATOR VALVE

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

AT FRT PUMP BUSHING

from

$10.99
AT FRT PUMP BUSHING

Dorman – Help – Clutch Pilot Bushing (Part No.14650)

Clutch Pilot Bushing

from

$8.29
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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ATP – AUTO TRANS BAND (Part No.CX-42)

AUTO TRANS BAND

from

$33.99
AUTO TRANS BAND

Moveras – TH375 – Automatic Transmission (Part No.M00772)

TH375 - Automatic Transmission

from

$1339.99
While we do not sell this item online, it can be ordered from one of our 3,500 store locations. Please see our Store Locator to find the store nearest you. Please note: Online promotions and discounts are not applicable to this item. Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road. We are committed to remanufacturing transmissions to the same standards and methodologies used for OEM transmissions. Each Moveras transmission is produced in a World Class manufacturing facility. Our entire process has been developed from scratch, utilizing LEAN manufacturing principles. Our transmissions are produced in a Clean Room environment. Every transmission is built to the same exacting standards by using a precisely documented and controlled process.

Product Features:
  • Product might not be available in all states due to local laws.
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Moveras – THM700-R4 – Automatic Transmission (Part No.M00530)

THM700-R4 - Automatic Transmission

from

$1634.99
While we do not sell this item online, it can be ordered from one of our 3,500 store locations. Please see our Store Locator to find the store nearest you. Please note: Online promotions and discounts are not applicable to this item. Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road. We are committed to remanufacturing transmissions to the same standards and methodologies used for OEM transmissions. Each Moveras transmission is produced in a World Class manufacturing facility. Our entire process has been developed from scratch, utilizing LEAN manufacturing principles. Our transmissions are produced in a Clean Room environment. Every transmission is built to the same exacting standards by using a precisely documented and controlled process.

Product Features:
  • Product might not be available in all states due to local laws.
See More

ATP – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

from

$8.99
AT CLUTCH PLATE

ATP – ATP Automatic Transmission Control Solenoid (Lock-Up) (Part No.CE-1)

ATP Automatic Transmission Control Solenoid (Lock-Up)

from

$61.99
ATP Automatic Transmission Control Solenoid (Lock-Up)

ATP – AT/HARNESS VSS REPR (Part No.JE-15)

AT/HARNESS VSS REPR

from

$48.99
AT/HARNESS VSS REPR

Pro-King – Automatic Transmission Solenoid (Part No.52-0203)

Automatic Transmission Solenoid

from

$34.99
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 funtion.

Product Features:
  • Quick Link Splice Connectors
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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

$109.99
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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B & M – Throttle Valve Cable, TH700R4 Transmission (Part No.70242)

Throttle Valve Cable, TH700R4 Transmission

from

$58.99
These universal fit adjustable cables will work in 95% of all listed transmission applications, yet are less expensive than OE models. Use as straight replacement cable or ease the installation of transmission swaps.

Product Features:
  • Universal Fit Adjustable
  • Less Expensive Than OE Models
  • Ease Trans. Swap Installation
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B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

Kickdown Switch Kit For TH400 Transmission

from

$84.99
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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ATP – Automatic Transmission Detent Cable End (Part No.YR-100)

Automatic Transmission Detent Cable End

from

$7.99
ATP Detent Cable End repair damaged or bent end clips found on 1980-96 General Motors applications.

Product Features:
  • Saves money by allowing cable repair instead of replacement.
  • Easy to use
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ATP – Automatic Transmission Detent Cable (Part No.Y-225)

Automatic Transmission Detent Cable

from

$25.99
Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:
  • Includes brackets, grommets, etc to match original
  • Helps transmission determine ideal downshift
  • Improves vehicle performance
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ATP – Automatic Transmission Detent Cable (Part No.Y-228)

Automatic Transmission Detent Cable

from

$22.99
Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:
  • Includes brackets, grommets, etc to match original
  • Helps transmission determine ideal downshift
  • Improves vehicle performance
See More

ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-752)

Automatic Transmission Universal Detent Cable 28 to 48 inches

from

$41.49
ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts

Product Features:
  • Includes brackets, grommets, etc to match original
  • Fits many GM transmissions
  • Adjustable
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Automatic Transmission Parts Brands You Can Trust For Your Chevrolet R20

6 trusted brands of Automatic Transmission Parts line our shelves, ready to help keep your Chevrolet R20 running smooth. Below are some of the most popular brands and their top Automatic Transmission Parts offerings:

Most Purchased Chevrolet R20 Automatic Transmission Parts from Pro-King

When you buy the most frequently purchased Pro-King brand Automatic Transmission Parts, you can be confident it will be the right part for your Chevrolet R20. Here are the Pro-King Automatic Transmission Parts Advanced Auto customers buy the most:
Automatic Transmission Vacuum Modulator
from $34.49
(11)
Automatic Transmission Vacuum Modulator
Transmission Modulator Valves
Automatic Transmission Detent Cable
from $22.99
(14)
Automatic Transmission Detent Cable
Detent Cables
Automatic Transmission Universal Detent Cable 28 to 48 inches
from $41.49
This product is not rated
Automatic Transmission Universal Detent Cable 28 to 48 inches
Detent Cables

FAQs for Chevrolet R20 Automatic Transmission Parts

What are the most purchased Automatic Transmission Parts for the Chevrolet R20?

Out of 26 Automatic Transmission Parts for the Chevrolet R20, the most popular in our inventory are:
Automatic Transmission Detent Cable End
from $7.99
(5)
Automatic Transmission Detent Cable End
Detent Cables
Automatic Transmission Detent Cable
from $22.99
(14)
Automatic Transmission Detent Cable
Detent Cables
Clutch Pilot Bushing
from $8.29
(1)
Clutch Pilot Bushing
Transmission Bushings

What are the top-rated Chevrolet R20 Automatic Transmission Parts?

Top-rated Automatic Transmission Parts for your Chevrolet R20 based on customer reviews/ratings are:
AT SOLENOID SEAL
from $3.99
(2)
AT SOLENOID SEAL
“Perfect”
Modulator
from $43.99
(2)
Modulator
“Great product. Worked perfectly”
Automatic Transmission Detent Cable
from $25.99
(1)
Automatic Transmission Detent Cable
“Product does not match description.”