Chevrolet K20 Transmission Parts

Essential Chevrolet K20 Transmission Parts

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

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$18.99
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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Felpro – Manual Transmission Gasket Set (Part No.TS 30118)

Manual Transmission Gasket Set

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$25.49
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
  • 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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B & M – Cable Bracket (Part No.30498)

Cable Bracket

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$28.99
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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ATP – AT SOLENOID SEAL (Part No.JO-15)

AT SOLENOID SEAL

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$3.99
AT SOLENOID SEAL

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2638)

Transmission Mount: Rear, 1 Piece

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$23.49
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 99-14; CHEV 82-19; GMC 82-14; HUMMER 03-10; ISUZU 06-08; OLDS 91-94;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1982-2019
  • Weight approx: 5 Lbs
  • STUDS: M10-150
  • INTERLOCK
  • BOLT HOLES CENTERLINE: 7.5 INCH / 190.5 MM
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Dorman – Help – Shifter Link Bushing (Part No.02373)

Shifter Link Bushing

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$4.19
We offer a line of Auto Trans Shift Lever Control Rod Bushings for a range of applications. All our Auto Trans Shift Lever Control Rod Bushings are made of quality materials for a long service life.

Product Features:
  • Direct replacement – these replacement auto trans shift lever control rod bushings match the original equipment design on specified vehicles.
  • Conveniently fix- simple solution to address worn bushings and restore original performance and feel
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
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ATP – AT BANNER KIT (Part No.CM-26)

AT BANNER KIT

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$207.99
AT BANNER KIT

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

AT EXT HOUSING SEAL

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$11.99
AT EXT HOUSING SEAL

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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FAG US – SHAFT SEAL (Part No.SS3230)

SHAFT SEAL

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$8.69
SHAFT SEAL

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

CLUTCH FORK BOOT

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$14.99
CLUTCH FORK BOOT

National – Multi Purpose Seal (Part No.8792S)

Multi Purpose Seal

from

$6.99
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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Felpro – Manual Transmission Gasket Set (Part No.TS 80161)

Manual Transmission Gasket Set

from

$28.49
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
  • 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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ATP – AT SPEED PINION SEAL (Part No.SO-34)

AT SPEED PINION SEAL

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$5.99
AT SPEED PINION SEAL

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

Tapered Roller Bearing

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$7.49
Product Features:
  • Brand may vary by location
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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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ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 265 And 454 V8 With 2 Piece Rear Seal (Part No.200-2902)

For Use With 90 Degree V6 Chevy/ 265 And 454 V8 With 2 Piece Rear Seal

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$22.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.

Product Features:
  • Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
  • Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
  • Flanged Nut
  • Increased Strength And Improved Flywheel Register
  • Chevy 90░ V6 & 265-454 With 2-pc Rear Seal, Ford 289-460
  • 0.68″ Underhead Length
  • 200,000 PSI
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Driveworks – Auto Transmission Shift Shaft Seal (Part No.S-8792S)

Auto Transmission Shift Shaft Seal

from

$2.49
Product Features:
  • Brand may vary by location
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Carquest Premium – Automatic Transmission Torque Converter Clutch Solenoid (Part No.SBA4949)

Automatic Transmission Torque Converter Clutch Solenoid

from

$36.99
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 OIL PUMP GASKET (Part No.SG-27)

AT OIL PUMP GASKET

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$10.99
AT OIL PUMP GASKET

Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8695)

Automatic Transmission Oil Pan Gasket

from

$30.19
Made from cork/neoprene gasket material which features excellent compressibility and high recovery to create a positive seal.

Product Features:
  • High density cork-nitrile rubber blend
  • Excellent compressibility and high recovery to create a positive seal
  • Excellent Compressibility
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Permatex – The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ (Part No.25238)

The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ

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$19.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
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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
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National – Bearings (Part No.TC-2435)

Bearings

from

$8.49
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
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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ATP – AT/HARNESS VSS REPR (Part No.JE-15)

AT/HARNESS VSS REPR

from

$48.99
AT/HARNESS VSS REPR

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 244 aftermarket and OEM Transmission Parts for your Chevrolet K20, ranging from $1.99 to $1,634.99.

We offer parts from 22 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 34,575 reviews of Chevrolet K20 Transmission Parts from previous customers. Some of the top rated parts include Multi Purpose Seal with 4.4 stars and Multi Purpose Seal with 4.4 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 22 trusted brands. You’ll find OEM and aftermarket parts from brands like Permatex, Imperial, and National, all of which can keep that Chevrolet happy.
We have Dorman – Help parts available for your Chevrolet K20 in categories like Gear Shifters and Cables and Transmission Connectors. Some of the top-rated Dorman – Help parts in these categories are:
Shifter Link Bushing
from $4.19
(1)
Shifter Link Bushing
Gear Shift Lever Bushing
Transmission Line Connector
from $11.49
(1)
Transmission Line Connector
Automatic Transmission Line Connectors

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 244 Transmission Parts for the Chevrolet K20, the most popular in our inventory are:
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Transmission Pan Gaskets
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 Pan Gaskets

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 $15.29
(20)
Multi Purpose Seal
“Would have been fine most likely – if correct seal was in the box. For redoing a Front Crank Seal on a 4 cylinder 89 Ranger.”
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”