1978 Jeep J20 Transmission Parts

Essential 1978 Jeep J20 Transmission Parts

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
See More

National – Multi Purpose Seal (Part No.5208)

Multi Purpose Seal

from

$18.29
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

National – Bearings (Part No.PB-79)

Bearings

from

$4.49
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 and bronze for outstanding durability and performance
  • Oil impregnated for extended life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

ATP – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

from

$8.99
AT CLUTCH PLATE

Omix – Manual Trans Seal Kit (Part No.18804.02)

Manual Trans Seal Kit

from

$9.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

ATP – AT EXT HOUSING SEAL (Part No.JO-57)

AT EXT HOUSING SEAL

from

$7.99
AT EXT HOUSING SEAL

Omix – Transmission Shift Boot (Part No.18806.02)

Transmission Shift Boot

from

$5.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Black
  • OE Style
  • Direct Fit
  • Rubber
  • Limited 5 Year Warranty
See More

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
See More

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

AT SOLENOID SEAL

from

$3.99
AT SOLENOID SEAL

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

AT OIL PUMP ORING

from

$8.99
AT OIL PUMP ORING

ATP – AT MODULATOR VALVE (Part No.JX-66)

AT MODULATOR VALVE

from

$17.99
AT MODULATOR VALVE

National – Multi Purpose Seal (Part No.331227H)

Multi Purpose Seal

from

$25.49
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
See More

Needa Parts – Standard Engine Oil Drain Plug: 9/16-18 Thread, 0.75 " Head, 1 Pack (Part No.090-030)

Standard Engine Oil Drain Plug: 9/16-18 Thread, 0.75 " Head, 1 Pack

from

$6.79
This replacement engine oil drain plug is a direct replacement for a damaged or worn original equipment drain plug, precisely matching the thread pitch to ensure a quality seal.
See More

Omix – Manual Trans Gear (Part No.18890.20)

Manual Trans Gear

from

$245.99
Is your T18 transmission not shifting right? Do you cringe from the grinding noises when you shift? Omix-ADA has the T18 internal parts you need to fix your Jeep’s transmission. Fix it and enjoy your drive.

Product Features:
  • Steel
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Mr. Gasket – Automatic Transmission Oil Pan (Part No.9762)

Automatic Transmission Oil Pan

from

$65.99
These pans are offered in stock depth or deep with extra capacity and available in both steel and aluminum to fit your specific needs. Includes drain plug, gasket and hardware.

Product Features:
  • Overall Height: 2.0″
  • Stock Depth and Capacity
  • Includes: Drain Plug, Washer & Gasket
See More

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
See More

National – Multi Purpose Seal (Part No.3638)

Multi Purpose Seal

from

$12.49
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
See More

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2693)

Transmission Mount: Rear, 1 Piece

from

$8.29
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 JEEP 72-93;. 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: 1972-1993
  • Weight approx: 2 Lbs
  • STYLE: BAR
  • STUDS: TWO INCLUDED
  • MATERIAL: RUBBER, STEEL
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242009)

Econo-Kool® Transmission Oil Cooler

from

$39.99
Product Features:
  • Imperial Econo-Kool« tube and fin transmission cooler
  • Size: 3/4″ x 5″ x 12-1/2″
  • Sub-compact to compact cars
  • GVWR up to 12,000 lbs.
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

National – Bearings (Part No.25877)

Bearings

from

$31.49
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
See More

ATP – AT SEL SHAFT SEAL (Part No.TO-15)

AT SEL SHAFT SEAL

from

$8.99
AT SEL SHAFT SEAL

National – Multi Purpose Seal (Part No.471466)

Multi Purpose Seal

from

$6.79
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

National – Multi Purpose Seal (Part No.8609)

Multi Purpose Seal

from

$9.29
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

National – Multi Purpose Seal (Part No.471271)

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

B & M – Torque Converter, Nitrous Holeshot 2400 (Part No.20480)

Torque Converter, Nitrous Holeshot 2400

from

$529.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers. Due to torque converter core availability, the actual converter size may vary but performance functionality will be as advertised.

Product Features:
  • 2300-2500 RPM
  • Small And Big Blocks
  • Mild To Serious Performance
  • Furnace Brazed
  • Fully Balanced
See More

Permatex – The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ (Part No.34328)

The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ

from

$17.49
Permatex’s The Right Stuff 90 Minute Series offers the fastest return to service in a in just 90 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 90 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 90 minutes
See More

Omix – Transfer Case Mount (Part No.18608.02)

Transfer Case Mount

from

$17.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

1978 Jeep J20 Transmission Parts

You count on your 1978 Jeep J20 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 74 Transmission Parts ranging in price from $1.99 to $1,150.00, you’re sure to find everything you need for your 1978 Jeep J20.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 17 different brands like National, Imperial, and Permatex. 1978 Jeep J20 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 684 extensive product reviews on 1978 Jeep J20 Transmission Parts. Some of the top-rated Transmission Parts products we carry are Multi Purpose Seal with 4.4 stars and Automatic Transmission Vacuum Modulator with 4.6 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 Jeep J20 below to get started!

Top-Rated Transmission Parts Brands For Your 1978 Jeep J20

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 Jeep J20 running right for years to come. In our inventory you’ll find brands like National, Imperial, Permatex, and even more.

Popular ATP Transmission Parts

You’ll find popular ATP brand products across Automatic Transmission Parts and Transmission Seals. All are waiting to get your 1978 Jeep J20 back on the road. Some of the top-rated ATP products in these categories are:
AT SOLENOID SEAL
from $3.99
(2)
AT SOLENOID SEAL
Automatic Transmission Fluid Filler Tube Seals
AT SEL SHAFT SEAL
from $7.99
(2)
AT SEL SHAFT SEAL
Automatic Transmission Selector Shaft Seals

FAQs for 1978 Jeep J20 Transmission Parts

What are the most purchased Transmission Parts for the 1978 Jeep J20?

Out of 74 Transmission Parts for the 1978 Jeep J20, the most popular in our inventory are:
Bearings
from $25.99
(23)
Bearings
Manual Transmission Differential Bearings
High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ
from $26.99
(7)
High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ
Transmission Pan Gaskets
Multi Purpose Seal
from $7.99
(8)
Multi Purpose Seal
Manual Transmission Output Shaft Seals

What are the top-rated 1978 Jeep J20 Transmission Parts?

Top-rated Transmission Parts for your 1978 Jeep J20 based on customer reviews/ratings are:
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“The product works well”
Automatic Transmission Vacuum Modulator
from $34.49
(11)
Automatic Transmission Vacuum Modulator
“worked”
Automatic Transmission Vacuum Modulator
from $33.49
(11)
Automatic Transmission Vacuum Modulator
“I have a 1988 Buick Reatta that recently begun to fail to shift. After trying things such as changing the filter and fluid, we eventually were recomme”