Chevrolet K20 Transmission Parts

Essential Chevrolet K20 Transmission Parts

Driveworks – Oil Seal (Part No.S-6712NA)

Oil Seal

from

$6.29
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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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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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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Felpro – Transmission Oil Pan Gasket (Part No.TOS 18621)

Transmission Oil Pan Gasket

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
  • 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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Imperial – Mounting Kit System (Part No.226201)

Mounting Kit System

from

$11.49
Product Features:
  • Imperial mounting kit system
  • For installation of transmission coolers and electric fans
  • Provides quick, effective installation of Imperial products
  • Contains nylon mounting rods, foam pads and locking buttons
  • Atermarket electric fan and cooler mounting rods
  • Made with the highest quality materials
  • Quality machined for durability
  • Removable buttons for relocation
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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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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

from

$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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ATP – AT SEAL (Part No.SO-39)

AT SEAL

from

$5.99
AT SEAL

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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Driveworks – Wheel Bearing: Direct Fit, 1 Piece (Part No.S-5707)

Wheel Bearing: Direct Fit, 1 Piece

from

$14.99
WJB Automotive wheel bearings are a direct replacement for original parts at a much more affordable cost. Each wheel bearing is engineered to meet or exceed OE specifications, and goes through intensive quality control inspections to ensure proper fitment. Manufactured using high-precision machinery and advanced heat treatment processes, these bearings are designed for maximum durability and extended periods of use under any driving condition. Specific to certain applications, WJB bearings have multi-lip seals built into the bearing for increased protection against invasive contaminants and premature wear.

Product Features:
  • Depending on the application, specified WJB wheel bearings have integrated encoder rings that automatically sync with the vehicle’s anti-lock braking system (ABS) upon successful installation
  • Engineered, manufactured, and tested to meet or exceed OE specifications
  • Integrated seal design improves contamination resistance for a longer bearing life
  • High performance grease is used to lubricate the inner raceway to ensure smooth operation, higher operating temperatures, and minimal noise
  • Manufactured from high quality steel to maximize durability under even the harshest driving conditions
  • Brand may vary by location
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ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 305, 502 V8 With 1 Piece Rear Seal (Part No.200-2906)

For Use With 90 Degree V6 Chevy/ 305, 502 V8 With 1 Piece Rear Seal

from

$18.99
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 & 305-502 With 1-pc Rear Seal
  • 0.725″ Underhead Length
  • 200,000 PSI
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ATP – AT OVERHAUL KIT (Part No.JGS-53)

AT OVERHAUL KIT

from

$79.99
AT OVERHAUL KIT

Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-862)

Automatic Transmission Basic Rebuild Kit

from

$118.99
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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Dorman – Engine Oil Drain Plug Gasket (Part No.A6120205779DOR)

Engine Oil Drain Plug Gasket

from

$5.83
Dorman’s Engine Oil Drain Plug Gaskets are conveniently available in packs of varying quantities. Many styles are offered, including Copper, Aluminum, Nylon, Metal/Rubber, Inset, Fiber and Crush gaskets. Replacement is recommended at every oil change. Oil filter caps are available separately.

Product Features:
  • Direct replacement gaskets and some universal gaskets available. Proper fit with the drain plug ensures a tight seal.
  • Gaskets are also included with many of Dorman’s Engine Oil Drain Plugs and Pans
  • Made to specific sizes and standards to ensure a proper fit
  • Designed and constructed to strict engineering quality standards
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Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8690)

Automatic Transmission Oil Pan Gasket

from

$19.99
Manufactured from high-density cork and rubber blenc gasket material. Provides excellent sealing and durability. Complete with molded rubber front and rear oil pan seals where applicable. For OE replacement, high performance street, drag race and oval track applications.

Product Features:
  • Cork/neoprene material
  • Greater thickness recovery
  • Excellent compressibility
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National – Multi Purpose Seal (Part No.9449)

Multi Purpose Seal

from

$9.99
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
See More

Dorman – Transmission Line Connector (Part No.800-755)

Transmission Line Connector

from

$11.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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National – Bearings (Part No.2720)

Bearings

from

$12.49
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
  • 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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Moveras – THM700R4 – Automatic Transmission (Part No.M01628AA)

THM700R4 - Automatic Transmission

from

$1609.99
Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road.

Product Features:
  • Product might not be available in all states due to local laws.
  • 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.
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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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Pro-King – Manual Transmission Rebuild Kit, Excludes Syncros (Part No.BK129A)

Manual Transmission Rebuild Kit, Excludes Syncros

from

$134.99
The most complete Rebuild Kits in the manual transmission industry today. Each kit contains only the highest quality parts that meet or exceed OE specifications.
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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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Pro-King – Manual Transmission Rebuild Kit, Excludes Syncros (Part No.BK115)

Manual Transmission Rebuild Kit, Excludes Syncros

from

$81.99
The most complete Rebuild Kits in the manual transmission industry today. Each kit contains only the highest quality parts that meet or exceed OE specifications.
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ATP – AT/HARNESS VSS REPR (Part No.JE-15)

AT/HARNESS VSS REPR

from

$48.99
AT/HARNESS VSS REPR

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)

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

We offer parts from 20 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 41,324 reviews of Chevrolet K20 Transmission Parts from previous customers. Some of the top rated parts include Transmission Oil Pan Gasket with 4.6 stars and Bearings 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 20 trusted brands. You’ll find OEM and aftermarket parts from brands like Imperial, National, and Permatex, all of which can keep that Chevrolet happy.
We have Permatex parts available for your Chevrolet K20 in categories like Automatic Transmission Pan and Gaskets. Some of the top-rated Permatex parts in these categories are:
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
from $11.49
(95)
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
Transmission Pan Gaskets

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 229 Transmission Parts for the Chevrolet K20, the most popular in our inventory are:
Mounting Kit System
from $11.49
(27)
Mounting Kit System
Transmission Oil Cooler Fittings
Transmission Mount: Rear, 1 Piece
from $23.49
(20)
Transmission Mount: Rear, 1 Piece
Transmission Mounts
Tapered Cone/Cup Wheel Bearing Set
from $12.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Pinion Bearings

What are the top-rated Chevrolet K20 Transmission Parts?

Top-rated Transmission Parts for your Chevrolet K20 based on customer reviews/ratings are:
Transmission Oil Pan Gasket
from $10.99
(46)
Transmission Oil Pan Gasket
“Was easy to install and was a great tune up kit for my transmission on a 96 s10”
Bearings
from $25.99
(23)
Bearings
“76 k10 the truck have never rolled more smooth parts fit prefectly”
Cylindrical Bearing
from $22.99
(20)
Cylindrical Bearing
“Great for a 1989 Pontiac Firebird 10 bolt rearend!”