1978 Buick Skylark Transmission Parts

Below you will find various in-demand Buick Transmission Parts, components and accessories for your 1978 Skylark. Advance Auto Parts has popular Skylark parts like Transmission Cooler and Parts, Transmission Seals, Transmission Mounts and more. You’ll also find aftermarket and OEM Transmission Parts for other Skylark model years including 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 and more. Select a category of 1978 Buick Skylark Transmission Parts below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 1978 Buick Skylark Transmission Parts Categories

Gear Shift Levers

Transmission Torque Converters

OE Transmission Coolers

Transfer Shaft Bearing

Manual Transmission Differential Bearings

Transmission Solenoids

Transmission Oil Cooler Lines

Transmission Shift Cables

Countershaft Bearings

Manual Transmission Output Shaft Bearings

Transmission Pan Gaskets

Transmission Oil Cooler Fittings

Automatic Transmission Line Connectors

Pinion Bearings

Transmission Mounts

Transmission Oil Pans

Transmission Master Repair Kits

Transmission Rebuild Kits

Transmission Oil Pan Gaskets

Transmission Dipsticks

Automatic Transmission Differential Bearings

Transmission Bushings

Detent Cables

Automatic Transmission Output Shaft Seals

Automatic Transmission Oil Pump Seals

Transmission Modulator Valves

Pinion Seals

Automatic Transmission Dipstick Seals

Transmission Seals and O-rings

Manual Transmission Bearing and Seal Overhaul Kits

Torque Converter Seals

Extension Housing Seals

Automatic Transmission Case Vents

Shaft Seals

Miscellaneous Automatic Transmission Seals

Transmission Shift Kits

Input Shaft Bearings

Automatic Transmission Selector Shaft Seals

Automatic Transmission Flexplate Mounting Bolts

Automatic Transmission Output Shaft Bearings

Automatic Transmission Detent Cable Seals

Shift Shaft Seals

Automatic Transmission Oil Pump Gaskets

Automatic Transmission Fluid Filler Tube Seals

Automatic Transmission Oil Pump O-Rings

Automatic Transmission Speedometer Pinion Seals

Automatic Transmission Seals

Automatic Transmission Shifter Cable Brackets

Automatic Transmission Friction Discs

Automatic Transmission Kickdown Cables

Manual Transmission Bearing

Manual Transmission Seal Kit

Automatic Transmission Oil Pump Seal Kit

Essential Transmission Parts for 1978 Buick Skylarks

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$16.49

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

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$8.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

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

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$36.99

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
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

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$17.99

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: -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

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$9.59

AT SEL SHAFT SEAL

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$385.99

The Master Racing overhaul kits are supplied with all of the gaskets, seals, bushings, and friction material required for a complete high performance or racing trans overhaul. Does not come with transbrake gaskets or components.

Product Features:

Complete High Perf. Or Racing Trans. Overhaul
Includes Only OEM Valvebody Gaskets
Instructions Not Included

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$42.99

ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts

Product Features:

Includes brackets, grommets, etc to match original
Fits many GM transmissions
Adjustable

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$10.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$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

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$23.99

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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$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

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$11.79

AT OIL PUMP GASKET

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$8.99

Product Features:

Brand may vary by location

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$6.39

AT DPSTK TUBE SEAL

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$12.99

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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$4.19

AT DETENT CABLE SEAL

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$95.99

Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:

Braided Stainless Steel
Firewall Mounting
Includes Oil Fill Tube

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$25.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Transmission cooler reinstallation kit
Contains part numbers 248001, 226201, 240250 and 4 hose clamps
Provides all hardware for reinstallation of Imperial transmission coolers
Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
Made of high grade nylon for easy installation
Removable buttons for cooler/fan relocation
Made for both transmission coolers and electric fan installation
Comes with Quick Connect coupler

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$16.79

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$26.49

AT CLUTCH PLATE

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$459.99

B&M Transkits give you the same high-quality components that are used in all B&M Street and Strip transmissions. They also include special directions on how to modify your case, pump, and components.

Product Features:

High Perf. Friction Materials
Complete Overhaul Gasket Set
Modification Components
Replacement Valves
Replacement Springs

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$5.99

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

from

$7.49

This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles
Restores functionality – reliable replacement for an original vent that has failed due to blockage or 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

from

$3.19

Product Features:

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

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$11.79

AT FRT PUMP BUSHING

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$14.99

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

from

$25.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers 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

from

$23.79

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

Upgrade your 1978 Buick Skylark with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1978 Buick Skylark, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Buick or enhancing its overall performance, Transmission Parts are key to keeping your Skylark functioning at its best. At Advance Auto Parts, we offer a wide selection of 125 Transmission Parts for the 1978 Buick Skylark, designed to meet your needs without breaking the bank. From Transmission Cooler and Part 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 Buick Skylark at great prices. Our Transmission Parts inventory for this model ranges from just $3.19 to $1,349.99, with an average price of $131.73. Our 125 Transmission Parts in stock come from 20 trusted brands, so you’re sure to find the right part for your 1978 Buick Skylark 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 Buick Skylark, we stock popular OEM and aftermarket Transmission Parts from top names like National, B & M, Imperial, and more. National Transmission Parts start at just $6.99 and boast an impressive 4.3 stars average rating from customers. B & M and Imperial also bring quality to the table, with Transmission Parts available starting at $33.99, and at an average 4.1 stars rating. With 2,560 customer reviews and counting, our 1978 Buick Skylark 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 Batteries and Chargers, Oil and Lubricants and more to make sure your 1978 Buick Skylark is always ready to roll. We’re committed to providing you with everything you need to keep your Skylark in top shape, all in one place. Start shopping confidently below for your 1978 Buick Skylark!

Best-Selling Transmission Cooler and Parts for 1978 Buick Skylarks

Enhance the driving experience in your Buick with 14 quality Transmission Cooler and Part components, starting at $11.99.

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$85.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 10″ x 15-7/8″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

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$73.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Imperial Maxi-Cool plate and fin transmission cooler
Size: 3/4″ x 11″ x 7-1/2″
Mid-size and full-size cars, pickups
GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

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$61.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Imperial Rapid-Cool plate and fin transmission cooler
Size: 3/4″ x 11″ x 6″
Sub-compact to compact cars
GVWR up to 18,000 lbs.
Compatible with OEM cooler systems
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

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$11.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
Aftermarket electric fan and cooler mounting rods
Made with the highest quality materials
Quality machined for durability
Removable buttons for relocation
Aftermarket electric fan and cooler mounting rods
Made with the highest quality materials
Quality machined for durability
Removable buttons for relocation

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$55.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 5″ x 15-7/8″
Compact and mid-size cars
GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$40.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$85.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
Compatible with OEM cooler systems
33% more efficient than a comparable tube and fin design

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$65.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 10″ x 15-7/8″
Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 26,000 lbs.; towing up to 10,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$80.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Imperial Rapid-Cool plate and fin transmission cooler
Size: 3/4″ x 11″ x 9-1/2″
Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
33% more efficient than a comparable tube and fin design
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

from

$52.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Mid-size and full-size cars, pickups
GVWR up to 18,000 lbs.; towing up to 3,500 lbs
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$79.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 7-1/2″ x 15-7/8″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
Up to Class C motorhomes, towing up to 5,000 pounds
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$25.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Transmission cooler reinstallation kit
Contains part numbers 248001, 226201, 240250 and 4 hose clamps
Provides all hardware for reinstallation of Imperial transmission coolers
Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
Made of high grade nylon for easy installation
Removable buttons for cooler/fan relocation
Made for both transmission coolers and electric fan installation
Comes with Quick Connect coupler

from

$60.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 7-1/2″ x 12-1/2″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$65.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 7-1/2″ x 15-7/8″
Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

Most Popular 1978 Buick Skylark Transmission Seals

Customize your Buick with 22 Transmission Seals products like Pinion Seals, Transmission Seals and O-rings, and Automatic Transmission Output Shaft Seals, all priced under $123.99.

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from

$10.99

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

from

$4.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$9.59

AT SEL SHAFT SEAL

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$3.99

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

from

$6.39

AT DPSTK TUBE SEAL

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$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

from

$17.99

Design type: spring loaded; multi-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

from

$11.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$4.99

from

$12.99

AT EXT HOUSING SEAL

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$9.59

AT EXT HOUSING SEAL

from

$3.19

Product Features:

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

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$4.19

AT DETENT CABLE SEAL

from

$5.99

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

from

$10.79

AT SPEED PINION SEAL

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$123.99

ManTransBrg-SealKit

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$5.99

AT SEAL

from

$92.99

ManTransBrg-SealKit

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$18.49

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$16.79

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$5.19

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$3.99

Shift Shaft O-Ring

Top Picks for 1978 Buick Skylark Transmission Mounts

Upgrade Buick Skylarks with top-quality Transmission Mounts parts, including 5 OEM and aftermarket selections for your 1978 model.

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from

$9.49

Anchor 2360 This mount supports the transmission and dampens vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

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 Chemlok 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: 1965-1993
Weight approx: 1 Lbs
Height: 1.85 In. / 47 mm Without Stud
Stud And Bolt Holes Inline
Stud: M10-1.5, 28 Mm
Mount Holes: 4.0 Inch / 101.6 Mm Elongated

from

$10.99

Anchor 2672 This mount supports the transmission and dampens vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

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 Chemlok 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: 1972-2005
Weight approx: 2 Lbs

from

$46.49

A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

Product Features:

Unique Safety Interlock Design
Impervious to Vehicle Oils and Chemicals
Strong Enough Too Handle High Performance

from

$99.99

Constructed of durable polyurethane to handle the stress oh high horsepower. Absorbs vibration and lasts longer than rubber Features unique built-in safety lock to keep from separating under high torque loads. Ideal for use on street or strip applications. Complete with grade-8 mounting hardware.

Product Features:

Durable Polyurethane
Absorbs Vibration
Last Longer Than Rubber
Built-In Safety Lock

from

$105.99

Unique Safety Interlock Design
Impervious to Vehicle Oils and Chemicals
Strong Enough Too Handle High Performance

In-Demand Automatic Transmission Parts for 1978 Buick Skylarks

Select from 19 premium Automatic Transmission Parts parts for your 1978 Buick Skylark, with prices ranging from $4.29 to $118.99.

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$7.49

This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles
Restores functionality – reliable replacement for an original vent that has failed due to blockage or 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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$4.29

AT SOLENOID SEAL

from

$21.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE fit, form and function

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$33.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE specifications

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$11.99

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

from

$34.49

Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.

Product Features:

Fits GM Th350 – Chevy Specific. Modify For Others
27 In Length
Chrome Plated Steel

from

$49.99

B&M’s vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400.

Product Features:

Fully Adjustable
Allows You To Tailor Shift Points
Comes Supplied Pre-Adjusted

from

$23.99

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

from

$9.59

AT OIL PUMP ORING

from

$12.79

AT FRT PUMP BUSHING

from

$51.99

AT MODULATOR VALVE

from

$49.99

ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts

Product Features:

Includes brackets, grommets, etc to match original
Fits many GM transmissions
Adjustable

from

$11.79

AT FRT PUMP BUSHING

from

$48.99

The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.

Product Features:

Application matched component ensures the transmission gear position system can be returned to like new condition.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
This part will look and function just like the original unit being replaced.

from

$95.99

Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:

Braided Stainless Steel
Firewall Mounting
Includes Oil Fill Tube

from

$118.99

AT CONTR SOLENOID

from

$58.99

AT CONTR SOLENOID

from

$33.99

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

from

$26.49

AT CLUTCH PLATE

Most Sold 1978 Buick Skylark Transmission Bearings

Explore our best-selling Buick parts for the 1978 Skylark among 14 OEM and aftermarket options starting from $4.29.

show more show less

from

$8.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$8.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

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

from

$16.99

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 and rollers 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

from

$25.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers 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

from

$21.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers 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

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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

from

$7.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$43.99

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

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

from

$35.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$24.29

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$16.49

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$9.79

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$6.69

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Top-Rated Transmission Parts Brands For Your 1978 Buick Skylark

Shop for the best-rated brands offering Transmission Parts and other products for your 1978 Buick Skylarks. Below you’ll find some of our best rated Transmission Parts from National, B & M, and Imperial, and more. Transmission Parts from these brands that fit a 1978 Skylark start at just $6.99 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 Buick Skylark Transmission Parts

When it comes to maintaining or upgrading your 1978 Buick Skylark, 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 Buick Skylark. With over 3 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 13 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.

from $10.99

(4)

Multi-Purpose Seal

“it worked”

from $8.99

(4)

Bearing Race

“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”

from $6.99

(5)

Multi-Purpose Seal

“Awesome”

Popular B & M 1978 Buick Skylark Transmission Parts

B & M auto parts is one of the highest quality Transmission Part brands in the market. Any 1978 Buick Skylark owner should feel confident when installing genuine B & M parts in their vehicle. To ensure the best fit and performance for your 1978 Skylark, Advance Auto Parts carries a full inventory of 3 B & M Transmission Parts. Plus you will be keeping your Buick in peak condition while saving money because prices on these B & M Transmission Parts range from $33.99 to $382.99, plus, with more than 3 customer reviews and an impressive 4.1 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.

from $382.99

(1)

Tork Master 2400

“The B&M 2400 stall converter was a great choice for my application. It works well on the street and track, increased performance by leaps and bounds. ”

from $33.99

(1)

Cable Bracket

“Use it for a 700R4 swap, need to use B & M cable to fit”

from $48.49

(1)

Shifter Accessories, Bracket and Lever Kit Fits TH400/TH350/TH250/200-4R/700R4

“Cable not perfectly straight. It is hard to believe as long as B&M and th400s have been around, that they do not line up better”

FAQs for 1978 Buick Skylark Transmission Parts

Which Transmission Parts are best-sellers for 1978 Buick Skylarks?

Out of 125 Transmission Parts that fit 1978 Buick Skylarks, the following parts are the top sellers:

Taper Bearing Set (5050499) – $8.99
Mounting Kit System (6014844) – $11.99
Econo-Kool Transmission Oil Cooler (6014720) – $40.99

What’s the price range for 1978 Buick Skylark Transmission Parts?

Transmission Part prices for the 1978 Buick Skylark start at $3.19 and go up to $1,349.99 for the most premium parts.

What’s the average price of a Transmission Part for a 1978 Buick Skylark?

The average price for Transmission Parts for the 1978 Buick Skylark is $131.73. 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 Buick Skylark model years?

Yes, we currently carry Transmission Parts for 35 model years of Buick Skylarks between 1954 and 1998. Transmission Parts are bought most frequently for the following model years: 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, and 1990.

What are the cheapest Transmission Parts for my 1978 Buick Skylark?

The cheapest 1978 Buick Skylark Transmission Parts we carry in stock are:

Automatic Transmission Speedometer Pinion Seal (11236107) – $3.19
Differential Pinion Seal (10751056) – $3.99
Shift Shaft O-Ring (12009712) – $3.99
AT DETENT CABLE SEAL (10861007) – $4.19
AT SOLENOID SEAL (11239035) – $4.29

What are the top-rated Transmission Parts that fit the 1978 Buick Skylark?

Out of 2,560 reviews by customers, our 1978 Buick Skylark Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1978 Buick Skylark and their top-rated products:

Transmission Connectors
- Transmission Line Connector (20230066) – $12.99
Torque Converter and Related Products
- Transmission Line Connector (20230066) – $12.99
Automatic Transmission Pan and Gaskets
- Transmission Line Connector (20230066) – $12.99

What types of Transmission Parts do you sell for my 1978 Buick Skylark?

As of 3/1/26, these are some of the most in-demand types of Transmission Parts for a 1978 Buick Skylark:

Can I get help with 1978 Buick Skylark Transmission Part orders?

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

What is your return policy for Buick Skylark Transmission Parts?

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

1978 Buick Skylark Transmission Parts

Schaeffler – Cup (Part No.M802011)

National – Bearing Race (Part No.M88010)

National – Multi-Purpose Bearing (Part No.32008)

National – Multi-Purpose Seal (Part No.8610)

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

B & M – Master Overhaul Kit, TH350 Transmission (Part No.21042)

ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-752)

Driveworks – Oil Seal (Part No.S-710096)

National – Bearing Race (Part No.LM67010)

ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 305, 502 V8 With 1 Piece Rear Seal (Part No.200-2906)

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

ATP – AT OIL PUMP GASKET (Part No.SG-27)

Driveworks – Tapered Roller Bearing (Part No.S-JL-69349)

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

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

ATP – AT DETENT CABLE SEAL (Part No.SO-36)

Mr. Gasket – A/Tdipstick (Part No.9703G)

Imperial – Transmission Oil Cooler Reinstallation Kit (Part No.248002)

Schaeffler – Shaft Seal (Part No.SS2571)

ATP – AT CLUTCH PLATE (Part No.CC-22)

B & M – Transmission Kit, Transkit 68-81 TH-350 Transmission (Part No.30229)

National – Multi-Purpose Seal (Part No.240735)

Dorman – Help – Auto Transmission Case Vent (Part No.14689)

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-13)

ATP – AT FRT PUMP BUSHING (Part No.CB-4)

National – Multi-Purpose Seal (Part No.8460N)

National – Tapered Roller Bearing Cone (Part No.M802048)

Schaeffler – Cone (Part No.KLM603049)

Imperial – High Performance Transmission Oil Cooler (Part No.240516)

Imperial – Maxi-Kool XL Transmission Oil Cooler (Part No.243007)

Imperial – Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11" (Part No.243006)

Imperial – Mounting Kit System (Part No.226201)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242010)

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

Imperial – Maxi-Kool XL Transmission Oil Cooler (Part No.243012)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.241018)

Imperial – Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11" (Part No.243008)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242012)

Imperial – High Performance Transmission Oil Cooler (Part No.240514)

Imperial – Transmission Oil Cooler Reinstallation Kit (Part No.248002)

Imperial – High Performance Transmission Oil Cooler (Part No.240512)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242016)

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

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

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

Motive Gear – Differential Pinion Seal (Part No.2043)

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

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

National – Multi-Purpose Seal (Part No.8610)

Driveworks – Oil Seal (Part No.S-8610)

Motive Gear – Pinion Seal (Part No.8610)

ATP – AT EXT HOUSING SEAL (Part No.HO-9)

ATP – AT EXT HOUSING SEAL (Part No.SO-22)

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-13)

ATP – AT DETENT CABLE SEAL (Part No.SO-36)

National – Multi-Purpose Seal (Part No.240735)

ATP – AT SPEED PINION SEAL (Part No.SO-34)

USA Standard Gear – ManTransBrg-SealKit (Part No.72334)

ATP – AT SEAL (Part No.SO-39)

USA Standard Gear – ManTransBrg-SealKit (Part No.76455)

Schaeffler – General Seal (Part No.SS2784)

Schaeffler – Shaft Seal (Part No.SS2571)

Schaeffler – Shaft Seal (Part No.SS2569)

USA Standard Gear – Shift Shaft O-Ring (Part No.76151)

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2360)

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2672)

Energy Suspension – Transmission Mount (Part No.3.1108R)

Lakewood – Trans Mount: Urethane-Chevy (Part No.24350)

Energy Suspension – Transmission Mount (Part No.3.1132G)

Dorman – Help – Auto Transmission Case Vent (Part No.14689)

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

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

Dorman – Help – Clutch Pilot Bushing (Part No.14650)

Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)

B & M – Modulator (Part No.20234)

ATP – ATP Automatic Transmission Detent Cable (Part No.Y-100)

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

ATP – AT FRT PUMP BUSHING (Part No.CB-30)