Chevrolet K20 Transmission Parts

Essential Chevrolet K20 Transmission Parts

National – Multi Purpose Seal (Part No.6712NA)

Multi Purpose Seal

from

$10.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Driveworks – Oil Seal (Part No.S-4950)

Oil Seal

from

$4.29
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Bearings (Part No.A-35)

Bearings

from

$25.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Dorman – Electrical Harness – 3-Wire Transmission Converter Clutch (Part No.85182)

Electrical Harness - 3-Wire Transmission Converter Clutch

from

$19.99
This automatic transmission torque convertor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this automatic transmission torque connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or 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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Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

Tapered Roller Bearing

from

$16.99
Product Features:
  • Brand may vary by location
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ATP – AT EXT HOUSING SEAL (Part No.SO-22)

AT EXT HOUSING SEAL

from

$7.99
AT EXT HOUSING SEAL

ACDelco – Neutral Safety Switch (Part No.D2219C)

Neutral Safety Switch

from

$47.49
ACDelco Professional Neutral Safety Switch is a high quality aftermarket replacement component for one or more of the following vehicle systems: automatic transmission/transaxle, and/or manual drivetrain and axles. This premium aftermarket switch is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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ATP – AT SEL SHAFT SEAL (Part No.SO-19)

AT SEL SHAFT SEAL

from

$7.99
AT SEL SHAFT SEAL

Mr. Gasket – Automatic Transmission Oil Pan (Part No.9761)

Automatic Transmission Oil Pan

from

$63.99
These pans are offered in stock depth or deep with extra capacity and available in both steel and aluminum to fit your specific needs. Each kit Includes the drain plug, gasket and hardware.

Product Features:
  • Chrome Plated For Great Looks
  • Fits As Direct Replacement For Stock
  • Includes: Drain Plug, Drain Plug Gasket, and Cork Pan Gasket
  • Pan Height: 2.5″ Overall Height
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ATP – AT OIL PUMP GASKET (Part No.SG-40)

AT OIL PUMP GASKET

from

$10.99
AT OIL PUMP GASKET

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

AT OIL PUMP ORING

from

$8.99
AT OIL PUMP ORING

Felpro – Manual Transmission Gasket Set (Part No.TS 80108)

Manual Transmission Gasket Set

from

$9.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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National – Multi Purpose Seal (Part No.3173)

Multi Purpose Seal

from

$12.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

ATP – CLUTCH FORK BOOT (Part No.JO-118)

CLUTCH FORK BOOT

from

$14.99
CLUTCH FORK BOOT

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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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
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ATP – AT EXT HOUSING SEAL (Part No.HO-8)

AT EXT HOUSING SEAL

from

$11.99
AT EXT HOUSING SEAL

National – Multi Purpose Seal (Part No.8622)

Multi Purpose Seal

from

$22.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Tapered Roller Bearing (Part No.S-2720)

Tapered Roller Bearing

from

$7.49
Product Features:
  • Brand may vary by location
See More

National – Multi Purpose Seal (Part No.2287)

Multi Purpose Seal

from

$8.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Carquest Premium – Back Up Light Switch (Part No.SAA4615)

Back Up Light Switch

from

$29.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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ATP – AT BANNER KIT (Part No.SM-11)

AT BANNER KIT

from

$193.99
AT BANNER KIT

Carquest Premium – Automatic Transmission Torque Converter Connector (Part No.PTA1431)

Automatic Transmission Torque Converter Connector

from

$14.79
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Dorman – Metal Clip Nut No.8 (Part No.961-304D)

Metal Clip Nut No.8

from

$4.49
Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:
  • Constructed of high-quality materials for long-lasting durability
  • Many different styles are available, including threaded and wide panel
  • Packaged in a variety of piece counts for use with both small and large projects
  • Also suitable for a broad range of industrial and commercial uses
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Felpro – Transmission Oil Pan Gasket (Part No.TOS 18633)

Transmission Oil Pan Gasket

from

$8.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Chevrolet K20 Transmission Parts Categories

Helping You Find the Right Transmission Parts for Your Chevrolet K20

You love your K20. So we’ve made it easier than ever to help you find Chevrolet K20 Transmission Parts in our online catalog. Our inventory holds 224 aftermarket and OEM Transmission Parts for your Chevrolet K20, ranging from $1.99 to $1,634.99.

We offer parts from 21 brands trusted to make quality Transmission Parts for your Chevrolet K20. Before you buy, take some time to read through customer reviews. We currently have 28,505 reviews of Chevrolet K20 Transmission Parts from previous customers. Some of the top rated parts include Multi Purpose Seal with 4.4 stars and Cylindrical Bearing with 4.5 stars.

Find your K20 Transmission Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Chevrolet K20 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Transmission Parts Brands for Your Chevrolet K20

Our inventory holds Transmission Parts for your Chevrolet K20 from 21 trusted brands. You’ll find OEM and aftermarket parts from brands like National, Imperial, and ATP, all of which can keep that Chevrolet happy.
We have Carquest parts available for your Chevrolet K20 in categories like Back Up Neutral Safety Parts. Some of the top-rated Carquest parts in these categories are:
Neutral Safety Switch
from $20.05
(1)
Neutral Safety Switch
Back Up and Neutral Safety Switches

Top-Rated Imperial Transmission Parts

Leading Imperial Transmission Parts

We carry Imperial brand parts for your Chevrolet K20 across several catalog categories, including Transmission Cooler and Parts. Some of our most reviewed Imperial parts include:
High Performance Transmission Oil Cooler
from $81.99
(48)
High Performance Transmission Oil Cooler
OE Transmission Coolers
Maxi-Kool® XL Transmission Oil Cooler
from $81.99
(31)
Maxi-Kool® XL Transmission Oil Cooler
OE Transmission Coolers
Econo-Kool® Transmission Oil Cooler
from $54.99
(30)
Econo-Kool® Transmission Oil Cooler
OE Transmission Coolers

FAQs for Chevrolet K20 Transmission Parts

What are the most purchased Transmission Parts for the Chevrolet K20?

Out of 224 Transmission Parts for the Chevrolet K20, the most popular in our inventory are:
Transmission Mount: Rear, 1 Piece
from $23.49
(20)
Transmission Mount: Rear, 1 Piece
Transmission Mounts
Transmission Oil Pan Gasket
from $10.99
(46)
Transmission Oil Pan Gasket
Transmission Oil Pan Gaskets
Bearings
from $25.99
(23)
Bearings
Manual Transmission Differential Bearings

What are the top-rated Chevrolet K20 Transmission Parts?

Top-rated Transmission Parts for your Chevrolet K20 based on customer reviews/ratings are:
Multi Purpose Seal
from $22.29
(20)
Multi Purpose Seal
“worked great”
Cylindrical Bearing
from $22.99
(20)
Cylindrical Bearing
“Rebuilt back axel fit great”
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“The product works well”