Chevrolet G20 Automatic Transmission Parts

Your One-Stop Shop For Trusted Chevrolet G20 Automatic Transmission Parts

If you’re in search of Chevrolet G20 Automatic Transmission Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 77 Automatic Transmission Parts from top brands with prices ranging from $4.29 to $2,371.99.

Beyond great prices, we stock trusted brands manufacturing all types of Automatic Transmission Parts for your Chevrolet G20.

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 G20 Automatic Transmission Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Chevrolet G20 Automatic Transmission Parts

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

ATP Automatic Transmission Control Solenoid (Lock-Up)

from

$65.99
ATP Automatic Transmission Control Solenoid (Lock-Up)

ATP – ATP Automatic Transmission Detent Cable (Part No.Y-100)

ATP Automatic Transmission Detent Cable

from

$23.99
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 Universal Detent Cable 28 to 48 inches (Part No.Y-754)

Automatic Transmission Universal Detent Cable 28 to 48 inches

from

$49.99
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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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

ATP – AT CLUTCH PLATE (Part No.JC-57)

AT CLUTCH PLATE

from

$13.79
AT CLUTCH PLATE

ATP – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

from

$9.59
AT CLUTCH PLATE

ATP – AUTO TRANS BAND (Part No.CX-42)

AUTO TRANS BAND

from

$36.49
AUTO TRANS BAND

ATP – AUTO TRANS BAND (Part No.JX-58)

AUTO TRANS BAND

from

$29.99
AUTO TRANS BAND

Dorman – Help – Auto Transmission Case Vent (Part No.14689)

Auto Transmission Case Vent

from

$7.49
This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles
  • Restores functionality – reliable replacement for an original vent that has failed due to blockage or 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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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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Dorman – Help – Clutch Pilot Bushing (Part No.14650)

Clutch Pilot Bushing

from

$11.99
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

$11.79
AT FRT PUMP BUSHING

Spartan – Automatic Transmission Assembly; GM RWD 4L80E 4-Spd (Part No.1651B-81)

Automatic Transmission Assembly; GM RWD 4L80E 4-Spd

from

$2353.00
Our remanufactured transmissions have improved torque converters included with every transmission to eliminate the possibility of front seal leaks, vibration or premature bushing wear, All torque converters are tested for leaks, lock-up, concentricity & balance. Every fully remanufactured valve body, with complete system correction & recalibration kit, is tested independently & includes updated throttle valve, manual valve, 4-spool switch valve, pressure regulator valve & governor plugs for improved shifting, lubrication & performance. All wear-prone valves are restored to stringent specifications & vacuum tested to confirm proper function. Each remanufactured transmission is hot, cold, load & simulated road testing. All remanufactured transmissions are backed by the industry’s best, no-hassle nationwide warranty(limited).

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
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Spartan – Automatic Transmission Assembly; GM RWD 4L60E 4-Spd (Part No.1250-HP)

Automatic Transmission Assembly; GM RWD 4L60E 4-Spd

from

$2050.00
Our remanufactured transmissions have improved torque converters included with every transmission to eliminate the possibility of front seal leaks, vibration or premature bushing wear, All torque converters are tested for leaks, lock-up, concentricity & balance. Every fully remanufactured valve body, with complete system correction & recalibration kit, is tested independently & includes updated throttle valve, manual valve, 4-spool switch valve, pressure regulator valve & governor plugs for improved shifting, lubrication & performance. All wear-prone valves are restored to stringent specifications & vacuum tested to confirm proper function. Each remanufactured transmission is hot, cold, load & simulated road testing. All remanufactured transmissions are backed by the industry’s best, no-hassle nationwide warranty(limited).

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
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Moveras – M01639AA Remanufactured THM700R4 Automatic Transmission Assembly (Part No.M01639AA)

M01639AA Remanufactured THM700R4 Automatic Transmission Assembly

from

$1609.99
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:
  • OEM-Level Quality: Each transmission is remanufactured to meet or exceed original manufacturer specifications for seamless compatibility and superior performance
  • Advanced Remanufacturing Process: Each transmission is completely disassembled, and critical components are replaced or upgraded to ensure long-lasting performance
  • High-Quality Torque Converter: A fully remanufactured torque converter is included, tested for leaks, lock-up functionality, and balance to enhance durability and smooth operation
  • Precision Engineering: Each valve body is remanufactured to OEM specifications, ensuring proper hydraulic flow and consistent shift performance
  • Dyno Testing: All Moveras transmissions are dyno-tested under real-world driving conditions to ensure reliable, consistent performance before leaving the factory
  • Nationwide Limited Warranty: Every transmission comes with a comprehensive Limited Warranty, giving you confidence and peace of mind, no matter where you are on the road
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ATP – AT CONTR SOLENOID (Part No.CE-15)

AT CONTR SOLENOID

from

$50.99
AT CONTR SOLENOID

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

AT CONTR SOLENOID

from

$94.99
AT CONTR SOLENOID

ATP – AT CONTR SOLENOID (Part No.EE-1)

AT CONTR SOLENOID

from

$69.99
AT CONTR SOLENOID

Mr. Gasket – A/Tdipstick (Part No.9703G)

A/Tdipstick

from

$95.99
Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:
  • Braided Stainless Steel
  • Firewall Mounting
  • Includes Oil Fill Tube
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Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)

Chrome Automatic Transmission Dipstick & Tube - 27" Length

from

$34.49
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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ATP – AT MODULATOR VALVE (Part No.JX-66)

AT MODULATOR VALVE

from

$21.99
AT MODULATOR VALVE

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

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

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
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Automatic Transmission Parts Brands You Can Trust For Your Chevrolet G20

10 trusted brands of Automatic Transmission Parts line our shelves, ready to help keep your Chevrolet G20 running smooth. Below are some of the most popular brands and their top Automatic Transmission Parts offerings:

Top Chevrolet G20 Automatic Transmission Parts from Pro-King

Your Chevrolet G20 will be purring again thanks to Pro-King brand Automatic Transmission Parts available for online order or in-store pick up. Popular Pro-King parts include:
Automatic Transmission Vacuum Modulator
from $33.99
(11)
Automatic Transmission Vacuum Modulator
Transmission Modulator Valves

Most Purchased Chevrolet G20 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 G20. Here are the Pro-King Automatic Transmission Parts Advanced Auto customers buy the most:
Automatic Transmission Vacuum Modulator
from $21.99
(11)
Automatic Transmission Vacuum Modulator
Transmission Modulator Valves
Chrome Automatic Transmission Dipstick & Tube - 27" Length
from $34.49
(5)
Chrome Automatic Transmission Dipstick & Tube – 27" Length
Transmission Dipsticks
Automatic Transmission Detent Cable
from $23.99
(14)
Automatic Transmission Detent Cable
Detent Cables

FAQs for Chevrolet G20 Automatic Transmission Parts

What are the most purchased Automatic Transmission Parts for the Chevrolet G20?

Out of 77 Automatic Transmission Parts for the Chevrolet G20, 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 $23.99
(14)
Automatic Transmission Detent Cable
Detent Cables
Chrome Automatic Transmission Dipstick & Tube - 27" Length
from $34.49
(5)
Chrome Automatic Transmission Dipstick & Tube – 27" Length
Transmission Dipsticks

What are the top-rated Chevrolet G20 Automatic Transmission Parts?

Top-rated Automatic Transmission Parts for your Chevrolet G20 based on customer reviews/ratings are:
4L80E Automatic Transmission Assembly
from $2371.99
(5)
4L80E Automatic Transmission Assembly
“Worked perfectly”
Auto Transmission Case Vent
from $7.49
(4)
Auto Transmission Case Vent
“Works for multiple vent areas of any vehicle, I got it for my gas tank fume vents!”
AT SOLENOID SEAL
from $4.29
(2)
AT SOLENOID SEAL
“Perfect”