1991 Chevrolet G20 Transmission Parts

Essential 1991 Chevrolet G20 Transmission Parts

ACDelco – AT Output Shaft Seal (Part No.J2557626265ACD)

AT Output Shaft Seal

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$11.94
AT Output Shaft Seal

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 DETENT CABLE SEAL (Part No.SO-36)

AT DETENT CABLE SEAL

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$3.99
AT DETENT CABLE SEAL

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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B & M – Shift Improver Kit (Part No.20261)

Shift Improver Kit

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$71.29
Shift Improver Kit 1988 to 1994 Chevrolet, Buick, Olds, Pontiac, GMC TH-400 (3L80) Application: 1988 to 1994 Chevrolet, Buick, Olds, Pontiac, GMC TH-400 (3L80) Recalibrate your automatic transmission for optimum performance and extended life! Select the m

Product Features:
  • Provides Crisp Shifts
  • On Any Stock Automatic Transmission
  • Eliminates Soft/Sluggish Shift
  • Eliminates Shift Overlap
  • Eliminate Clutch and Band Wear
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Imperial – Transmission Line Fitting Kit (Part No.240390)

Transmission Line Fitting Kit

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$14.79
Product Features:
  • Transmission line fitting kit
  • GM, Jeep; 5/8″-18 inverted flare
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Coated for extra protection against corrosion
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ATP – AT OIL PUMP GASKET (Part No.SG-40)

AT OIL PUMP GASKET

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$10.99
AT OIL PUMP GASKET

National – Bearings (Part No.M802048)

Bearings

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$23.99
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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National – Bearings (Part No.A-36)

Bearings

from

$27.99
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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B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

Kickdown Switch Kit For TH400 Transmission

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$84.99
When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.

Product Features:
  • Allows High Speed Cruise
  • Cruise In Overdrive
  • Prevents Part Throttle Kickdown
  • Quick Installation
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ATP – AT SPD PINION SEAL (Part No.SO-38)

AT SPD PINION SEAL

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$5.99
AT SPD PINION SEAL

Dorman – Electrical Harness – 3-Wire Transmission Converter Clutch (Part No.85182)

Electrical Harness - 3-Wire Transmission Converter Clutch

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$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 – Auto Transmission Oil Pump Seal (Part No.S-4598)

Auto Transmission Oil Pump Seal

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$4.99
Product Features:
  • Brand may vary by location
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NTK – ABS Wheel Speed Sensor (Part No.VB0027)

ABS Wheel Speed Sensor

from

$49.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK ABS Wheel Speed Sensor connectors, mounts and wire lengths are an exact match to OE for worry free installation. Grease, mounting nut and instruction sheet included where applicable.
  • NTK’s Wheel Speed Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function. Manufactured with weather pack connectors to prevent dirt and moisture contamination.
  • The ABS ECU monitors the Wheel Speed Sensors rotational speed for anti-lock brake function, stability control and traction control. The ABS sensors report the speed of all four wheels to the ECU to determine if the wheels are locking up.
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Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-69)

Automatic Transmission Deluxe Rebuild Kit

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$385.99
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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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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National – Multi Purpose Seal (Part No.2457)

Multi Purpose Seal

from

$28.99
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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ATP – Automatic Transmission Detent Cable (Part No.Y-228)

Automatic Transmission Detent Cable

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$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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Pro-King – Automatic Transmission Remanufactured Torque Converter (Part No.GM350)

Automatic Transmission Remanufactured Torque Converter

from

$81.99
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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Felpro – Transmission Oil Pan Gasket (Part No.TOS 18663)

Transmission Oil Pan Gasket

from

$10.99
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 OIL PUMP ORING (Part No.SO-21)

AT OIL PUMP ORING

from

$8.99
AT OIL PUMP ORING

Carquest Premium – Automatic Transmission Speed Sensor (Part No.SBC3664)

Automatic Transmission Speed Sensor

from

$35.99
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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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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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
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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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B & M – DEPTH PAN CHROME HP (Part No.20289)

DEPTH PAN CHROME HP

from

$113.99
B&M Deep Transmission Pans increase the fluid capacity of your transmission, improving the cooling, allowing your transmission to work as efficiently as possible. Included drain plug, eliminates the need to drop the pan to drain the fluid.

Product Features:
  • Additional Oil Capacity
  • More Cooling Ability
  • No Dipstick Modification
  • Some Include Fluid Pickup Extension
  • Built-In Drain Plugs
  • Chrome Plated Steel
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ATP – AT CONTR SOLENOID (Part No.JE-8)

AT CONTR SOLENOID

from

$66.99
AT CONTR SOLENOID

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
See More

Popular 1991 Chevrolet G20 Transmission Parts Categories

1991 Chevrolet G20 Transmission Parts

You count on your 1991 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 109 Transmission Parts ranging in price from $1.99 to $713.99, you’re sure to find everything you need for your 1991 Chevrolet G20.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 17 different brands like National, Imperial, and Driveworks. 1991 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 3,076 extensive product reviews on 1991 Chevrolet G20 Transmission Parts. Some of the top-rated Transmission Parts products we carry are Bearings with 4.5 stars and Multi Purpose Seal with 4.4 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 1991 Chevrolet G20 below to get started!

Top-Rated Transmission Parts Brands For Your 1991 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 1991 Chevrolet G20 running right for years to come. In our inventory you’ll find brands like National, Imperial, Driveworks, and even more.

Popular Carquest Transmission Parts

You’ll find popular Carquest brand products across Back Up Neutral Safety Parts. All are waiting to get your 1991 Chevrolet G20 back on the road. Some of the top-rated Carquest products in these categories are:
Neutral Safety Switch
from $20.05
(1)
Neutral Safety Switch
Back Up and Neutral Safety Switches

FAQs for 1991 Chevrolet G20 Transmission Parts

What are the most purchased Transmission Parts for the 1991 Chevrolet G20?

Out of 109 Transmission Parts for the 1991 Chevrolet G20, the most popular in our inventory are:
Taper Bearing Set
from $8.99
(29)
Taper Bearing Set
Countershaft Bearings
Bearings
from $14.99
(21)
Bearings
Miscellaneous Transmission Bearings
Transmission Oil Pan Gasket
from $10.99
(46)
Transmission Oil Pan Gasket
Transmission Oil Pan Gaskets

What are the top-rated 1991 Chevrolet G20 Transmission Parts?

Top-rated Transmission Parts for your 1991 Chevrolet G20 based on customer reviews/ratings are:
Bearings
from $25.99
(23)
Bearings
“76 k10 the truck have never rolled more smooth parts fit prefectly”
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“The product works well”
Multi Purpose Seal
from $18.99
(15)
Multi Purpose Seal
“it sealed”