1978 Chevrolet G20 Transmission Parts

Essential 1978 Chevrolet G20 Transmission Parts

Driveworks – Oil Seal (Part No.S-2043)

Oil Seal

from

$7.79
Value-priced seal meets all cataloged application requirements.

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

AT EXT HOUSING SEAL

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$7.99
AT EXT HOUSING SEAL

Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

Tapered Roller Bearing

from

$6.79
Product Features:
  • Brand may vary by location
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Dorman – Help – Clutch Pilot Bushing (Part No.14650)

Clutch Pilot Bushing

from

$8.29
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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Anchor – Transmission Mount: Rear, 1 Piece (Part No.2659)

Transmission Mount: Rear, 1 Piece

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$16.79
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 CHEV 87-95; GMC 87-95;. 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: 1987-1995
  • Weight approx: 2 Lbs
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B & M – Automatic Shifter, Z-Gate (Part No.80681)

Automatic Shifter, Z-Gate

from

$272.99
Reverse lockout meets NHRA and IHRA requirements. Includes neutral safety switch, backup light switch, black T-Handle. Fits most 3 Speed applications.

Product Features:
  • Base Trims To Custom Fit Floor
  • NHRA/IHRA Reverse Lockout Meets Requirements
  • Includes Neutral Safety Switch
  • Includes Backup Light Switch
  • Includes Black T-Handle and Cable
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National – Multi Purpose Seal (Part No.9613S)

Multi Purpose Seal

from

$7.99
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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Pro-King – Automatic Transmission Remanufactured Torque Converter (Part No.GM33)

Automatic Transmission Remanufactured Torque Converter

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$156.99
Remanufactured using industry-leading techniques to assure enhanced torque performance and extended life. Each unit is harmonically balanced and leak tested with any inherent OE weaknesses corrected. Pro-King torque converters are subject to random ISO 9001 quality tests before leaving the factory.

Product Features:
  • Fluid Balanced
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Pro-King – Manual Transmission Rebuild Kit, Excludes Syncros (Part No.BK129A)

Manual Transmission Rebuild Kit, Excludes Syncros

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$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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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

from

$24.49
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 – AUTOMATIC TRANS PART (Part No.CGS-32)

AUTOMATIC TRANS PART

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$109.99
AUTOMATIC TRANS PART

NTN – Axle Shaft Bearing (Part No.K4010212752NTN)

Axle Shaft Bearing

from

$43.14
Axle Shaft Bearing

National – Multi Purpose Seal (Part No.4934)

Multi Purpose Seal

from

$14.79
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20°F to 300°F / -29°C to 49°C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-864)

Automatic Transmission Basic Rebuild Kit

from

$131.99
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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B & M – Transmission Cast Deep Pan, Brushed Finish TH-350 (Part No.30280)

Transmission Cast Deep Pan, Brushed Finish TH-350

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$256.99
These B&M automatic transmission deep pans provide additional fluid capacity and cooling ability. No modifications to the dipstick are needed. They include a drain plug for clean and easy fluid changes. Adds 3 quarts to the Transmission.

Product Features:
  • Additional Oil Capacity
  • More Cooling Ability
  • No Dipstick Modification
  • Some Include Fluid Pickup Extension
  • Built-In Drain Plugs
  • Cast Aluminum
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Mahle – AT Pan Gasket (Part No.J50401702730MAH)

AT Pan Gasket

from

$11.89
AT Pan Gasket

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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Driveworks – Oil Seal Kit (Part No.S-5200)

Oil Seal Kit

from

$6.79
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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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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National – Cylindrical Bearing (Part No.5707)

Cylindrical Bearing

from

$22.99
Manufactured with premium-grade steel, National® cylindrical bearings are designed and engineered to meet OE specifications.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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ATP – AT SEAL (Part No.SO-39)

AT SEAL

from

$5.99
AT SEAL

Felpro – Transmission Oil Pan Gasket (Part No.TOS 18643)

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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ATP – AT SHIFT KIT (Part No.JK-1)

AT SHIFT KIT

from

$75.99
AT SHIFT KIT

National – Multi Purpose Seal (Part No.222025)

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
See More

ATP – Automatic Transmission Detent Cable (Part No.Y-228)

Automatic Transmission Detent Cable

from

$22.99
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 – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

from

$8.99
AT CLUTCH PLATE

ATP – AT SEL SHAFT SEAL (Part No.SO-19)

AT SEL SHAFT SEAL

from

$7.99
AT SEL SHAFT SEAL

Popular 1978 Chevrolet G20 Transmission Parts Categories

1978 Chevrolet G20 Transmission Parts

You count on your 1978 Chevrolet G20 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Transmission Parts. With 127 Transmission Parts ranging in price from $1.99 to $973.99, you’re sure to find everything you need for your 1978 Chevrolet G20.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 18 different brands like Imperial, National, and Permatex. 1978 Chevrolet G20 Transmission Parts start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Transmission Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 4,092 extensive product reviews on 1978 Chevrolet G20 Transmission Parts. Some of the top-rated Transmission Parts products we carry are Multi Purpose Seal with 4.4 stars and Wheel Bearing: Direct Fit, 1 Piece with 2.8 stars.

Did we mention you can order your Transmission Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Transmission Parts inventory for your 1978 Chevrolet G20 below to get started!

Top-Rated Transmission Parts Brands For Your 1978 Chevrolet G20

Trusted Transmission Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 Chevrolet G20 running right for years to come. In our inventory you’ll find brands like Imperial, National, Permatex, and even more.

Popular Carquest Transmission Parts

You’ll find popular Carquest brand products across Automatic Transmission Parts. All are waiting to get your 1978 Chevrolet G20 back on the road. Some of the top-rated Carquest products in these categories are:
Automatic Transmission Vacuum Modulator
from $51.05
(1)
Automatic Transmission Vacuum Modulator
Transmission Modulator Valves

FAQs for 1978 Chevrolet G20 Transmission Parts

What are the most purchased Transmission Parts for the 1978 Chevrolet G20?

Out of 127 Transmission Parts for the 1978 Chevrolet G20, the most popular in our inventory are:
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
from $11.49
(95)
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
Transmission Pan Gaskets
Bearings
from $14.99
(21)
Bearings
Manual Transmission Output Shaft Bearings
Cylindrical Bearing
from $22.99
(20)
Cylindrical Bearing
Axle Output Shaft Bearings

What are the top-rated 1978 Chevrolet G20 Transmission Parts?

Top-rated Transmission Parts for your 1978 Chevrolet G20 based on customer reviews/ratings are:
Multi Purpose Seal
from $6.99
(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.”
Wheel Bearing: Direct Fit, 1 Piece
from $14.99
(19)
Wheel Bearing: Direct Fit, 1 Piece
“ok”
Automatic Shifter, Z-Gate
from $272.99
(11)
Automatic Shifter, Z-Gate
“Good Product, Great For The Price”