Chevrolet C20 Automatic Transmission Kits

Your One-Stop Shop For Trusted Chevrolet C20 Automatic Transmission Kits

If you’re in search of Chevrolet C20 Automatic Transmission Kits aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 27 Automatic Transmission Kits from top brands with prices ranging from $62.99 to $389.99.

Beyond great prices, we stock trusted brands manufacturing all types of Automatic Transmission Kits for your Chevrolet C20. Of the 4 OEM and aftermarket parts brands we carry, some of the most popular are Pro-King, ATP, and B & M.

And don’t forget to read customer reviews across all Automatic Transmission Kits 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 Kits have to cost top dollar, and we prove it. Browse our top Chevrolet C20 Automatic Transmission Kits below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Chevrolet C20 Automatic Transmission Kits

ATP – AT BANNER KIT (Part No.SM-11)

AT BANNER KIT

from

$193.99
AT BANNER KIT

ATP – AT OVERHAUL KIT (Part No.SGS-27)

AT OVERHAUL KIT

from

$83.99
AT OVERHAUL KIT

ATP – AT BANNER KIT (Part No.JM-10)

AT BANNER KIT

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$168.99
AT BANNER KIT

ATP – AT BANNER KIT (Part No.CM-26)

AT BANNER KIT

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$207.99
AT BANNER KIT

ATP – AT OVERHAUL KIT (Part No.JGS-52)

AT OVERHAUL KIT

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$76.99
AT OVERHAUL KIT

ATP – AT OVERHAUL KIT (Part No.SGS-28)

AT OVERHAUL KIT

from

$96.99
AT OVERHAUL KIT

Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-15)

Automatic Transmission Deluxe Rebuild Kit

from

$222.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.

Product Features:
  • Include steels, frictions, gaskets, and filter
  • Includes Band and Modulator (if applicable)
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ATP – AT MASTER REPAIR KIT (Part No.SM-9)

AT MASTER REPAIR KIT

from

$259.99
AT MASTER REPAIR KIT

Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-838)

Automatic Transmission Basic Rebuild Kit

from

$141.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.

Product Features:
  • Does not include steels or filter
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ATP – AT MSTR REP KIT PLUS (Part No.JMS-9)

AT MSTR REP KIT PLUS

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$368.99
AT MSTR REP KIT PLUS

B & M – Transmission Kit, Transkit 68-81 TH-350 Transmission (Part No.30229)

Transmission Kit, Transkit 68-81 TH-350 Transmission

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$389.99
B&M Transkits give you the same high-quality components that are used in all B&M Street and Strip transmissions. They also include special directions on how to modify your case, pump, and components.

Product Features:
  • High Perf. Friction Materials
  • Complete Overhaul Gasket Set
  • Modification Components
  • Replacement Valves
  • Replacement Springs
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B & M – Master Overhaul Kit, TH350 Transmission (Part No.21042)

Master Overhaul Kit, TH350 Transmission

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$327.99
The Master Racing overhaul kits are supplied with all of the gaskets, seals, bushings, and friction material required for a complete high performance or racing trans overhaul. Does not come with transbrake gaskets or components.

Product Features:
  • Complete High Perf. Or Racing Trans. Overhaul
  • Includes Only OEM Valvebody Gaskets
  • Instructions Not Included
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Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-39)

Automatic Transmission Deluxe Rebuild Kit

from

$258.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.

Product Features:
  • Include steels, frictions, gaskets, and filter
  • Includes Band and Modulator (if applicable)
See More

ATP – AT MASTER REPAIR KIT (Part No.JM-9)

AT MASTER REPAIR KIT

from

$253.99
AT MASTER REPAIR KIT

Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)

Automatic Transmission Basic Rebuild Kit

from

$84.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.

Product Features:
  • Does not include steels or filter
See More

ATP – AT SHIFT KIT (Part No.SK-2)

AT SHIFT KIT

from

$189.99
AT SHIFT KIT

B & M – Transpak For 65-87 TH400 Transmission (Part No.20228)

Transpak For 65-87 TH400 Transmission

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$141.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.

Product Features:
  • Recalibrate Auto. Transmission
  • Optimum Performance
  • Select Your App. Mode
  • Improves Transmission Life
  • Trans. Removal Not Required
  • Downshift At Any Speed
  • Great For Trailer Towing
  • For Heavy Loads Driving Downhill
See More

B & M – Transpak For 68-81 TH 350 Transmission (Part No.30228)

Transpak For 68-81 TH 350 Transmission

from

$141.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.

Product Features:
  • Recalibrate Auto. Transmission
  • Optimum Performance
  • Select Your App. Mode
  • Improves Transmission Life
  • Trans. Removal Not Required
See More

B & M – Transpak (Part No.30235)

Transpak

from

$152.99
Shift Improver Kits – Buick, Chevrolet, GMC, Olds, Pontiac – 1968 to 1981 TH-350 and M38 Application: 1968 to 1981 TH-350 and M38 (for TH-350C use Transpak # 30235) Recalibrate your automatic transmission for optimum performance and extended life! Provides crisp shifts on any stock automatic transmissions. Elimination of soft sluggish shifts, shift overlap, and excess wear on clutches and bands due to slippage. Improves transmission life. Transmission removal not required. The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission – and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit. All you need are a few dollars and some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Just ask the thousands of satisfied customers that have installed one in their transmissions! Stage 1 – Heavy Duty Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. Stage 2 – Street/Strip Provides very positive shifts for high performance street use or for competitive events. This model is for the enthusiast who wants the hardest, quickest possible shift.

Product Features:
  • Recalibrate Auto. Transmission
  • Optimum Performance
  • Select Your App. Mode
  • Improves Transmission Life
  • Trans. Removal Not Required
  • Downshift At Any Speed
  • Great For Trailer Towing
  • For Heavy Loads Driving Downhill
See More

B & M – Shift Improver Kit For 68-81 TH-350 Transmission (Part No.30262)

Shift Improver Kit For 68-81 TH-350 Transmission

from

$62.99
HEAVY DUTY-Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. STREET/STRIP-Positive shifts for high performance street use or for competitive events. Hardest, quickest possible shift.

Product Features:
  • Provides Crisp Shifts
  • On Any Stock Automatic Transmission
  • Eliminates Soft/Sluggish Shift
  • Eliminates Shift Overlap
  • Eliminate Clutch and Band Wear
See More

Automatic Transmission Kits Brands You Can Trust For Your Chevrolet C20

4 trusted brands of Automatic Transmission Kits line our shelves, ready to help keep your Chevrolet C20 running smooth. Below are some of the most popular brands and their top Automatic Transmission Kits offerings:

Most Purchased Chevrolet C20 Automatic Transmission Kits from Pro-King

When you buy the most frequently purchased Pro-King brand Automatic Transmission Kits, you can be confident it will be the right part for your Chevrolet C20. Here are the Pro-King Automatic Transmission Kits Advanced Auto customers buy the most:
Automatic Transmission Deluxe Rebuild Kit
from $232.99
(2)
Automatic Transmission Deluxe Rebuild Kit
Transmission Master Repair Kits
Automatic Transmission Deluxe Rebuild Kit
from $222.99
(1)
Automatic Transmission Deluxe Rebuild Kit
Transmission Master Repair Kits
Automatic Transmission Basic Rebuild Kit
from $141.99
This product is not rated
Automatic Transmission Basic Rebuild Kit
Transmission Master Repair Kits

FAQs for Chevrolet C20 Automatic Transmission Kits

What are the most purchased Automatic Transmission Kits for the Chevrolet C20?

Out of 27 Automatic Transmission Kits for the Chevrolet C20, the most popular in our inventory are:
Automatic Transmission Basic Rebuild Kit
from $84.99
This product is not rated
Automatic Transmission Basic Rebuild Kit
Transmission Master Repair Kits
Automatic Transmission Basic Rebuild Kit
from $141.99
This product is not rated
Automatic Transmission Basic Rebuild Kit
Transmission Master Repair Kits
Automatic Transmission Deluxe Rebuild Kit
from $254.99
This product is not rated
Automatic Transmission Deluxe Rebuild Kit
Transmission Master Repair Kits