1978 Mazda Cosmo Drivetrains
Find Your Specific 1978 Mazda Cosmo Drivetrains
Below you will find various in-demand Mazda Drivetrains, components and accessories for your 1978 Cosmo. Advance Auto Parts has popular Cosmo parts like Differentials, Universal Joints, Transfer Cases and more. You’ll also find aftermarket and OEM Drivetrains for other Cosmo model years including
1976
1977 and more. Select a category of 1978 Mazda Cosmo Drivetrains below and start saving instantly.
Popular 1978 Mazda Cosmo Drivetrains Categories
Essential Drivetrains for 1978 Mazda Cosmos
National – Multi-Purpose Bearing (Part No.32008)
from
$36.99
Product Features:
See More
- 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
National – Tapered Roller Bearing Cone (Part No.HM803146)
from
$38.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
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
Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)
National – Bearing Race (Part No.HM803110)
from
$20.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
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
National – Shaft Repair Sleeve (Part No.99157)
from
$37.99
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:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.386)
from
$30.49
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
Product Features:
See More
Product Features:
- STRONG AND DURABLE — Premium u-joints are cold-forged, case-hardened and precision-ground
- KEEPS DIRT OUT — Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
- GREASABLE DESIGN — Greasable u-joints allow for new grease to flush out contaminants and moisture
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
- COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
Driveworks – Tapered Roller Bearing (Part No.S-32206)
FAG US – Bearing Cone (Part No.KLM11949)
from
$10.49
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:
See More
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
National – Bearing (Part No.LM67048)
from
$7.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
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
FAG US – Cup (Part No.LM67010)
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:
See More
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
National – Bearing Race (Part No.LM67010)
from
$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
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
National – Multi-Purpose Bearing (Part No.32207)
from
$43.99
Product Features:
See More
- 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
Upgrade your 1978 Mazda Cosmo with Top-Quality Drivetrains
When it comes to maintaining or upgrading your 1978 Mazda Cosmo, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mazda or enhancing its overall performance, Drivetrains are key to keeping your Cosmo functioning at its best. At Advance Auto Parts, we offer a wide selection of 12 Drivetrains for the 1978 Mazda Cosmo, designed to meet your needs without breaking the bank.
From
Differential
replacements to
Universal Joints
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 Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1978 Mazda Cosmo at great prices.
Our Drivetrains inventory for this model
ranges from just $4.49 to $43.99, with
an average price of $22.45.
Our 12 Drivetrains in stock come from 4 trusted brands, so you’re sure to find the right part for your 1978 Mazda Cosmo without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals
and more to make sure your 1978 Mazda Cosmo is always ready to roll. We’re committed to providing you with everything you need to keep your Cosmo in top shape, all in one place.
Start shopping confidently below for your 1978 Mazda Cosmo!
Best-Selling Differentials for 1978 Mazda Cosmos
Enhance the driving experience in your Mazda with 8 quality Differential components, starting at $4.49.
National – Shaft Repair Sleeve (Part No.99157)
from
$37.99
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:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
National – Multi-Purpose Bearing (Part No.32008)
from
$36.99
Product Features:
See More
- 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
National – Bearing Race (Part No.LM67010)
from
$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
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
National – Tapered Roller Bearing Cone (Part No.HM803146)
from
$38.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
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
National – Multi-Purpose Bearing (Part No.32207)
from
$43.99
Product Features:
See More
- 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
National – Bearing Race (Part No.HM803110)
from
$20.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
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
Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)
FAG US – Cup (Part No.LM67010)
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:
See More
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
Most Popular 1978 Mazda Cosmo Universal Joints
Customize your Mazda with 1 Universal Joints products
like U-Joints, all
priced under $30.49.
MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.386)
from
$30.49
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
Product Features:
See More
Product Features:
- STRONG AND DURABLE — Premium u-joints are cold-forged, case-hardened and precision-ground
- KEEPS DIRT OUT — Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
- GREASABLE DESIGN — Greasable u-joints allow for new grease to flush out contaminants and moisture
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
- COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
Top Picks for 1978 Mazda Cosmo Transfer Cases
Upgrade Mazda Cosmos with top-quality Transfer Cases parts, including 3 OEM and aftermarket selections for your 1978 model.
National – Bearing (Part No.LM67048)
from
$7.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
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
Driveworks – Tapered Roller Bearing (Part No.S-32206)
FAG US – Bearing Cone (Part No.KLM11949)
from
$10.49
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:
See More
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
FAQs for 1978 Mazda Cosmo Drivetrains
Which Drivetrains are best-sellers for 1978 Mazda Cosmos?
Out of 12 Drivetrains that fit 1978 Mazda Cosmos, the following parts are the top sellers:
- Bearing (3277488) – $7.79
- Multi-Purpose Bearing (3273946) – $36.99
- Bearing Race (3277461) – $4.49
What’s the price range for 1978 Mazda Cosmo Drivetrains?
Drivetrain prices for the 1978 Mazda Cosmo start at $4.49 and go up to $43.99 for the most premium parts.
What’s the average price of a Drivetrain for a 1978 Mazda Cosmo?
The average price for Drivetrains for the 1978 Mazda Cosmo is $22.45. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Drivetrains for other Mazda Cosmo model years?
What are the cheapest Drivetrains for my 1978 Mazda Cosmo?
The cheapest 1978 Mazda Cosmo Drivetrains we carry in stock are:
- Bearing Race (3277461) – $4.49
- Cup (50211146) – $6.69
- Bearing (3277488) – $7.79
- Bearing Cone (50206059) – $10.49
- Tapered Roller Bearing (10659680) – $13.49
What are the top-rated Drivetrains that fit the 1978 Mazda Cosmo?
Out of 1 reviews by customers, our 1978 Mazda Cosmo Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1978 Mazda Cosmo and their top-rated products:
- Differentials
- Shaft Repair Sleeve (18445098) – $37.99
What types of Drivetrains do you sell for my 1978 Mazda Cosmo?
As of 11/2/25, these are some of the most in-demand types of Drivetrains for a 1978 Mazda Cosmo:
Can I get help with 1978 Mazda Cosmo Drivetrain orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mazda Drivetrains and more.
What is your return policy for Mazda Cosmo Drivetrains?
Advance Auto Parts keeps returns simple. For new Mazda Cosmo Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
