1978 Avanti II Transmission Parts

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Essential Transmission Parts for 1978 Avanti IIs

Driveworks – Oil Seal (Part No.S-9613S)

Oil Seal

from

$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Spectre – Aluminum Trans Pan TH350 (Part No.5460)

Aluminum Trans Pan TH350

from

$162.99
The Spectre Transmission Pan Turbo 350 was designed to fit General Motors TH350 transmissions. This stock capacity transmission pan features polished aluminum construction, fins for added cooling, and includes a drain plug. This product is easy to install with no special tools or skills required.

Product Features:
  • Manufactured from polished aluminum
  • Designed for GM TH350 transmissions
  • Stock capacity
  • Easy to install with no special tools or skills required
  • Features fins for added cooling
  • Includes drain plug
See More

Hays – Converter: 4L60E 28-3200 Stall (Part No.97-1G28Q)

Converter: 4L60E 28-3200 Stall

from

$819.99
Converter: 4L60E 28-3200 Stall

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

from

$6.39
AT DPSTK TUBE SEAL

Felpro – Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket (Part No.TOS 18633)

Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket

from

$9.49
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
  • 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
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT2)

Bearing - TRB (Tapered Roller Bearing)

from

$9.79
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

National – Bearing Race (Part No.LM67010)

Bearing Race

from

$4.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Driveworks – Oil Seal (Part No.S-5778)

Oil Seal

from

$13.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Multi-Purpose Seal (Part No.710474)

Multi-Purpose Seal

from

$20.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

ATP – AT MODULATOR VALVE (Part No.JX-76)

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission

from

$128.99
This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.

Product Features:
  • Adjust Shift Points Of Transmission
  • Useful For Light Vehicles
  • For Low Rear End Gear Ratio
  • Or Useful If It Is Conversion
See More

ATP – AT CONTR SOLENOID (Part No.CE-15)

AT CONTR SOLENOID

from

$50.99
AT CONTR SOLENOID

ATP – AT CONTR SOLENOID (Part No.SE-1)

AT CONTR SOLENOID

from

$118.99
AT CONTR SOLENOID

Felpro – Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket (Part No.TOS 18621)

Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket

from

$9.99
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
See More

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

Automatic Transmission Oil Pan Gasket

from

$35.99
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
See More

ATP – AT SEAL (Part No.SO-39)

AT SEAL

from

$5.99
AT SEAL

Schaeffler – Cup (Part No.LM67010)

Cup

from

$6.69
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

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

Oil Seal

from

$6.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Multi-Purpose Seal (Part No.4950)

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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Schaeffler – General Seal (Part No.SS2784)

General Seal

from

$18.49
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

National – Multi-Purpose Seal (Part No.6712NA)

Multi-Purpose Seal

from

$10.99
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:
  • Design type: spring loaded; single-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Oil Seal (Part No.S-3227)

Oil Seal

from

$3.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

ATP – AT OIL PUMP SEAL (Part No.CO-37)

AT OIL PUMP SEAL

from

$21.29
AT OIL PUMP SEAL

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

Multi Purpose Seal

from

$6.99
Product Features:
  • Design type: springless; single-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Upgrade your 1978 Avanti II with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1978 Avanti II, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Avanti or enhancing its overall performance, Transmission Parts are key to keeping your II functioning at its best. At Advance Auto Parts, we offer a wide selection of 32 Transmission Parts for the 1978 Avanti II, designed to meet your needs without breaking the bank. From Transmission Bearing replacements to Transmission Seals upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Transmission Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Transmission Parts for your 1978 Avanti II at great prices. Our Transmission Parts inventory for this model ranges from just $4.29 to $1,349.99, with an average price of $256.12. Our 32 Transmission Parts in stock come from 9 trusted brands, so you’re sure to find the right part for your 1978 Avanti II without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 Avanti II, we stock popular OEM and aftermarket Transmission Parts from top names like National, Driveworks, B & M, and more. National Transmission Parts start at just $6.99 and boast an impressive 4.3 stars average rating from customers. Driveworks and B & M also bring quality to the table, with Transmission Parts available starting at $4.99, and at an average 4.2 stars rating. With 91 customer reviews and counting, our 1978 Avanti II Transmission Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Transmission Part upgrades. Explore related part types like Fluids and Chemicals, Wipers and Related Products and more to make sure your 1978 Avanti II is always ready to roll. We’re committed to providing you with everything you need to keep your II in top shape, all in one place. Start shopping confidently below for your 1978 Avanti II!

Best-Selling Transmission Bearings for 1978 Avanti IIs

Enhance the driving experience in your Avanti with 4 quality Transmission Bearing components, starting at $4.29.

Driveworks – Taper Bearing Set (Part No.S-A-2)

Taper Bearing Set

from

$8.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Bearing Race (Part No.LM67010)

Bearing Race

from

$4.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT2)

Bearing - TRB (Tapered Roller Bearing)

from

$9.79
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Schaeffler – Cup (Part No.LM67010)

Cup

from

$6.69
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Most Popular 1978 Avanti II Transmission Seals

Customize your Avanti with 7 Transmission Seals products like Pinion Seals, Extension Housing Seals, and Automatic Transmission Oil Pump Seals, all priced under $18.49.

National – Multi-Purpose Seal (Part No.6712NA)

Multi-Purpose Seal

from

$10.99
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:
  • Design type: spring loaded; single-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Oil Seal (Part No.S-9613S)

Oil Seal

from

$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

from

$6.39
AT DPSTK TUBE SEAL

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

Multi Purpose Seal

from

$6.99
Product Features:
  • Design type: springless; single-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Oil Seal (Part No.S-5778)

Oil Seal

from

$13.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

ATP – AT SEAL (Part No.SO-39)

AT SEAL

from

$5.99
AT SEAL

Schaeffler – General Seal (Part No.SS2784)

General Seal

from

$18.49
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Top Picks for 1978 Avanti II Automatic Transmission Parts

Upgrade Avanti IIs with top-quality Automatic Transmission Parts parts, including 2 OEM and aftermarket selections for your 1978 model.

ATP – AT MODULATOR VALVE (Part No.JX-76)

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

ATP – AT CONTR SOLENOID (Part No.SE-1)

AT CONTR SOLENOID

from

$118.99
AT CONTR SOLENOID

In-Demand Automatic Transmission Pan and Gaskets for 1978 Avanti IIs

Select from 6 premium Automatic Transmission Pan and Gaskets parts for your 1978 Avanti II, with prices ranging from $9.49 to $162.99.

Felpro – Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket (Part No.TOS 18633)

Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket

from

$9.49
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
  • 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
See More

Spectre – Transmission Pan Turbo 350 (Part No.5450)

Transmission Pan Turbo 350

from

$63.99
The Spectre Transmission Pan Turbo 350 was designed to fit General Motors TH350 transmissions. This stock capacity transmission pan features triple chrome plated steel, fins for added cooling, and includes a drain plug. This product is easy to install with no special tools or skills required.

Product Features:
  • Manufactured from triple chrome-plated steel
  • Designed for GM TH350 transmissions
  • Stock capacity
  • Easy to install with no special tools or skills required
  • Features fins for added cooling
  • Includes drain plug
See More

Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8690)

Automatic Transmission Oil Pan Gasket

from

$27.49
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
See More

Spectre – Aluminum Trans Pan TH350 (Part No.5460)

Aluminum Trans Pan TH350

from

$162.99
The Spectre Transmission Pan Turbo 350 was designed to fit General Motors TH350 transmissions. This stock capacity transmission pan features polished aluminum construction, fins for added cooling, and includes a drain plug. This product is easy to install with no special tools or skills required.

Product Features:
  • Manufactured from polished aluminum
  • Designed for GM TH350 transmissions
  • Stock capacity
  • Easy to install with no special tools or skills required
  • Features fins for added cooling
  • Includes drain plug
See More

Mr. Gasket – Gaskets (Part No.61081MRG)

Gaskets

from

$42.99
These transmission oil pan gaskets are made with a glass-filled nylon carrier with molded rubber on both the top and bottom of the gasket. Each bolt hole has a torque limiter that helps to avoid over-torqueing the bolts for a reliable seal. These gasket are reusable and can be cleaned using soap and water. Ideal for applications that require frequent service. Made in the USA.

Product Features:
  • Molded rubber over glass filled nylon carrier
  • Reusable ¿ easy cleaning w/ soap & water
  • Reusable ┐ easy cleaning w/ soap & water
  • Torque Limiters ¿ helps to avoid over torqueing gaskets
  • Torque Limiters ┐ helps to avoid over torqueing gaskets
  • Applications for many common transmissions
  • Ideal for applications that require frequent service
  • Made in the USA
See More

Mr. Gasket – Appearance Products (Part No.9765BMRG)

Appearance Products

from

$69.99
These pans are offered in stock depth or deep with extra capacity and available in both steel and aluminum to fit your specific needs. Each kit Includes the drain plug, gasket and hardware.

Product Features:
  • EDP Black Steel
  • Stock capacity
  • Includes drain plug, gasket and hardware
See More

Most Sold 1978 Avanti II Torque Converter and Related Products

Explore our best-selling Avanti parts for the 1978 II among 12 OEM and aftermarket options starting from $6.49.

B & M – Tork Master 2400 (Part No.20404)

Tork Master 2400

from

$382.99
Torque Converter – Tork Master 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost performance torque converter. The Tork Master is an excellent all-around performance street converter. The best value priced street converters available, Tork Master converters come with a new precision pump drive tube and all are pressure tested and fully balanced. The Tork Master torque converter is not recommended for big block or supercharged applications. New alloy steel pump drive tube. Needle thrust bearing when factory equipped. New thrust washer between turbine and cover when required. Due to torque converter core availability, the actual converter size may vary but performance functionality will be as advertised.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
See More

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

Oil Seal

from

$6.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Hays – Converter: Th350 24-2800 Stall (Part No.97-1B24Q)

Converter: Th350 24-2800 Stall

from

$549.99
Converter: Th350 24-2800 Stall

Hays – Hays Race Tq Convtr Th350 42-5000 Stall (Part No.97-1B42F)

Hays Race Tq Convtr Th350 42-5000 Stall

from

$1349.99
Hays Race Tq Convtr Th350 42-5000 Stall

B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)

Torque Converter, Nitrous Holeshot 3000

from

$921.99
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.

Product Features:
  • 2800-3200 RPM
  • Small And Big Blocks
  • Serious Performance
  • Furnace Brazed
  • Fully Balanced
See More

B & M – Torque Converter, Nitrous Holeshot 3600 (Part No.20482)

Torque Converter, Nitrous Holeshot 3600

from

$767.99
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.

Product Features:
  • 3400-3800 RPM
  • Small And Big Blocks
  • Serious Performance
  • Furnace Brazed
  • Fully Balanced
See More

Hays – Converter: Th350 28-3200 Stall (Part No.97-1B28Q)

Converter: Th350 28-3200 Stall

from

$716.99
Converter: Th350 28-3200 Stall

B & M – Torque Converter (Part No.20484)

Torque Converter

from

$649.99
Torque Converter

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

Torque Converter, Nitrous Holeshot 2400

from

$614.99
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

B & M – Torque Converter (Part No.20483)

Torque Converter

from

$562.99
Torque Converter

B & M – Traveler Converter (Part No.30423)

Traveler Converter

from

$486.99
Torque Converter – Traveler Converter (SUV and Light Truck) for GM 1968 to 1981 TH350, TH375B APPLICATION: GM 1968 to 1981 TH350, TH375B (6) (will not fit TH-350C) Provides slightly higher stall speed than stock to improve pulling power at low speeds. New

Product Features:
  • Ideal For Motor Homes
  • Ideal For Towing Applications
  • Precision Pump Drive Tube
  • Heavy Duty Needle Bearings
  • Furnace Brazed
See More

B & M – Holeshot 2000 (Part No.20416)

Holeshot 2000

from

$409.99
HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
See More

Top-Rated Transmission Parts Brands For Your 1978 Avanti II

Shop for the best-rated brands offering Transmission Parts and other products for your 1978 Avanti IIs. Below you’ll find some of our best rated Transmission Parts from National, Driveworks, and B & M, and more. Transmission Parts from these brands that fit a 1978 II start at just $4.99 and are rated as high as 4.3 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular National 1978 Avanti II Transmission Parts

When it comes to maintaining or upgrading your 1978 Avanti II, using quality Transmission Parts is essential to ensure durability and a perfect fit. National ticks all of those boxes. We offer a wide selection of National Transmission Parts, specifically designed for the 1978 Avanti II. With over 2 National brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.99, with an average price of just $8.99. Plus, with over 24 customer reviews and an average rating of 4.3 stars, you can trust that our National Transmission Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Multi-Purpose Seal
from $10.99
(4)
Multi-Purpose Seal
“it worked”
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.”

Popular Driveworks 1978 Avanti II Transmission Parts

Driveworks auto parts is one of the highest quality Transmission Part brands in the market. Any 1978 Avanti II owner should feel confident when installing genuine Driveworks parts in their vehicle. To ensure the best fit and performance for your 1978 II, Advance Auto Parts carries a full inventory of 3 Driveworks Transmission Parts. Plus you will be keeping your Avanti in peak condition while saving money because prices on these Driveworks Transmission Parts range from $4.99 to $13.99, plus, with more than 53 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.
Taper Bearing Set
from $8.99
(47)
Taper Bearing Set
“good”
Oil Seal
from $13.99
(3)
Oil Seal
“Fit the rear Dana 44 on my TJ just fine and stopped the leaking.”
Oil Seal
from $4.99
(3)
Oil Seal
“Good part, cheap price”

FAQs for 1978 Avanti II Transmission Parts

Which Transmission Parts are best-sellers for 1978 Avanti IIs?

Out of 32 Transmission Parts that fit 1978 Avanti IIs, the following parts are the top sellers:

What’s the price range for 1978 Avanti II Transmission Parts?

Transmission Part prices for the 1978 Avanti II start at $4.29 and go up to $1,349.99 for the most premium parts.

What’s the average price of a Transmission Part for a 1978 Avanti II?

The average price for Transmission Parts for the 1978 Avanti II is $256.12. Keep in mind the variety of part types within our Transmission Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Parts for other Avanti II model years?

Yes, we currently carry Transmission Parts for 28 model years of Avanti IIs between 1965 and 2004. Transmission Parts are bought most frequently for the following model years: 2004, 2003, 2002, 2001, 1991, 1990, 1989, 1988, and 1987.

What are the cheapest Transmission Parts for my 1978 Avanti II?

The cheapest 1978 Avanti II Transmission Parts we carry in stock are:

What are the top-rated Transmission Parts that fit the 1978 Avanti II?

Out of 91 reviews by customers, our 1978 Avanti II Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1978 Avanti II and their top-rated products:

Can I get help with 1978 Avanti II Transmission Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Avanti Transmission Parts and more.

What is your return policy for Avanti II Transmission Parts?

Advance Auto Parts keeps returns simple. For new Avanti II Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.