1978 Mercury Monarch Drivetrains

Please Select your Vehicle to See Exact Fit Parts

Essential Drivetrains for 1978 Mercury Monarches

National – National Wheel Seal, 8660S (Part No.8660S)

National Wheel Seal, 8660S

from

$11.99
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.
See More

Motive Gear – Motive Gear Differential Lock Thrust Block, D3SZ4211A (Part No.D3SZ4211A)

Motive Gear Differential Lock Thrust Block, D3SZ4211A

from

$47.49
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.
See More

Schaeffler – Schaeffler General Seal, SS2257 (Part No.SS2257)

Schaeffler General Seal, SS2257

from

$10.99
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.
See More

Powertrax – Powertrax Grip LOK Traction System, LK109031 (Part No.LK109031)

Powertrax Grip LOK Traction System, LK109031

from

$679.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Spindle Nut Kit, 13/16-20, 304994.1 (Part No.304994.1)

Dorman - Pik-a-Nut Spindle Nut Kit, 13/16-20, 304994.1

from

$5.99
This spindle lock nut kit includes a new spindle nut and the necessary hardware designed to match the factory equipment.
See More

Motive Gear – Motive Gear Ring Gear Bolt, D5AZ4216A (Part No.D5AZ4216A)

Motive Gear Ring Gear Bolt, D5AZ4216A

from

$1.99
Motive Gear Ring Gear Bolt, D5AZ4216A.
See More

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

National Tapered Roller Bearing Cone, M802048

from

$26.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

Driveworks – Driveworks Taper Bearing Cup, S-LM-501314 (Part No.S-LM-501314)

Driveworks Taper Bearing Cup, S-LM-501314

from

$7.99
Value-priced bearing meets all cataloged application requirements.
See More

Motive Gear – Motive Gear Differential Spool, FS9-31LW (Part No.FS9-31LW)

Motive Gear Differential Spool, FS9-31LW

from

$149.99
Motive Gear Differential Spool, FS9-31LW.
See More

National – National Shaft Repair Sleeve, 99187 (Part No.99187)

National Shaft Repair Sleeve, 99187

from

$36.99
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.
See More

National – National Bearing Race, M86610 (Part No.M86610)

National Bearing Race, M86610

from

$9.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More

MOOG Driveline Products – MOOG Driveline Products Universal Joint U-Bolt Kit, 534-10 (Part No.534-10)

MOOG Driveline Products Universal Joint U-Bolt Kit, 534-10

from

$27.49
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.
See More

Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
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.
See More

Powertrax – Powertrax Grip PRO Traction System, GT109035 (Part No.GT109035)

Powertrax Grip PRO Traction System, GT109035

from

$547.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

National – National Multi-Purpose Bearing, R-1535-TAV (Part No.R-1535-TAV)

National Multi-Purpose Bearing, R-1535-TAV

from

$42.49
Manufactured with premium-grade steel, National cylindrical outer races are designed and engineered to meet OE specifications.
See More

Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270 (Part No.RDS 13270)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270

from

$5.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More

Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPF9 (Part No.CSPF9)

Richmond Gear Differential Pinion Shaft, CSPF9

from

$26.49
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
See More

National – National Multi-Purpose Seal, 51098 (Part No.51098)

National Multi-Purpose Seal, 51098

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.
See More

Motive Gear – Motive Gear Differential Gear Install Kit, F7.5IK (Part No.F7.5IK)

Motive Gear Differential Gear Install Kit, F7.5IK

from

$35.49
Motive Gear Differential Gear Install Kit, F7.5IK.
See More

Motive Gear – Motive Gear Differential Pinion Nut, 379570S (Part No.379570S)

Motive Gear Differential Pinion Nut, 379570S

from

$6.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear.
See More

Driveworks – Driveworks Axle Repair Bearing, S-RP-5707 (Part No.S-RP-5707)

Driveworks Axle Repair Bearing, S-RP-5707

from

$19.49
Value-priced bearing meets all cataloged application requirements.
See More

Powertrax – Powertrax Grip LOK Traction System, LK109028 (Part No.LK109028)

Powertrax Grip LOK Traction System, LK109028

from

$668.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

Pro-King – Pro-King Differential Crush Sleeve, 761A034 (Part No.761A034)

Pro-King Differential Crush Sleeve, 761A034

from

$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
See More

Motive Gear – Motive Gear Performance Differential Ring and Pinion, F880300 (Part No.F880300)

Motive Gear Performance Differential Ring and Pinion, F880300

from

$251.99
Motive Gear Performance Differential Ring and Pinion, F880300.
See More

MOOG Driveline Products – MOOG Driveline Products Greaseable Super Strength Universal Joint, 265 (Part No.265)

MOOG Driveline Products Greaseable Super Strength Universal Joint, 265

from

$40.49
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
See More

Dorman – Dorman Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In., 618-013.1 (Part No.618-013.1)

Dorman Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In., 618-013.1

from

$4.99
This spindle nut washer 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.
See More

Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074 (Part No.RDS 55074)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074

from

$9.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More

Dorman – Help – Dorman – Help Driveshaft Flange Bolts, 80992 (Part No.80992)

Dorman - Help Driveshaft Flange Bolts, 80992

from

$22.49
This drive shaft bolt 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.
See More

Upgrade your 1978 Mercury Monarch with Top-Quality Drivetrains

When it comes to maintaining or upgrading your 1978 Mercury Monarch, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercury or enhancing its overall performance, Drivetrains are key to keeping your Monarch functioning at its best. At Advance Auto Parts, we offer a wide selection of 95 Drivetrains for the 1978 Mercury Monarch, designed to meet your needs without breaking the bank. From Transfer Case replacements to Spindles 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 Mercury Monarch at great prices. Our Drivetrains inventory for this model ranges from just $2.99 to $679.99, with an average price of $146.28. Our 95 Drivetrains in stock come from 15 trusted brands, so you’re sure to find the right part for your 1978 Mercury Monarch 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 Mercury Monarch, we stock popular OEM and aftermarket Drivetrains from top names like Moog, National, Dorman, and more. Moog Drivetrains start at just $27.49 and boast an impressive 4.5 stars average rating from customers. National and Dorman also bring quality to the table, with Drivetrains available starting at $5.99, and at an average 4.3 stars rating. With 592 customer reviews and counting, our 1978 Mercury Monarch Drivetrains 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 Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1978 Mercury Monarch is always ready to roll. We’re committed to providing you with everything you need to keep your Monarch in top shape, all in one place. Start shopping confidently below for your 1978 Mercury Monarch!

Best-Selling Transfer Cases for 1978 Mercury Monarches

Enhance the driving experience in your Mercury with 5 quality Transfer Case components, starting at $9.99.

National – National Bearing, M88048 (Part No.M88048)

National Bearing, M88048

from

$16.29
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

National – National Shaft Repair Sleeve, 99187 (Part No.99187)

National Shaft Repair Sleeve, 99187

from

$36.99
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.
See More

National – National Bearing, M86649 (Part No.M86649)

National Bearing, M86649

from

$17.29
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

National – National Bearing Race, M86610 (Part No.M86610)

National Bearing Race, M86610

from

$9.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More

Schaeffler – Schaeffler General Seal, SS2257 (Part No.SS2257)

Schaeffler General Seal, SS2257

from

$10.99
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.
See More

Most Popular 1978 Mercury Monarch Spindles

Customize your Mercury with 3 Spindles products like Spindle Lock Nuts, Spindle Retainers, and Spindle Washers, all priced under $5.99.

Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Spindle Nut Kit, 13/16-20, 304994.1 (Part No.304994.1)

Dorman - Pik-a-Nut Spindle Nut Kit, 13/16-20, 304994.1

from

$5.99
This spindle lock nut kit includes a new spindle nut and the necessary hardware designed to match the factory equipment.
See More

Dorman – Dorman Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In., 615-075.1 (Part No.615-075.1)

Dorman Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In., 615-075.1

from

$3.49
This spindle nut retainer 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.
See More

Dorman – Dorman Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In., 618-013.1 (Part No.618-013.1)

Dorman Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In., 618-013.1

from

$4.99
This spindle nut washer 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.
See More

Top Picks for 1978 Mercury Monarch Drive Shafts and Axles

Upgrade Mercury Monarches with top-quality Drive Shafts and Axles parts, including 5 OEM and aftermarket selections for your 1978 model.

Dorman – Help – Dorman – Help Driveshaft Flange Bolts, 80992 (Part No.80992)

Dorman - Help Driveshaft Flange Bolts, 80992

from

$22.49
This drive shaft bolt 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.
See More

National – National Wheel Seal, 8660S (Part No.8660S)

National Wheel Seal, 8660S

from

$11.99
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.
See More

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

National Tapered Roller Bearing Cone, M802048

from

$26.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

Driveworks – Driveworks Axle Repair Bearing, S-RP-5707 (Part No.S-RP-5707)

Driveworks Axle Repair Bearing, S-RP-5707

from

$19.49
Value-priced bearing meets all cataloged application requirements.
See More

Schaeffler – Schaeffler Axle Shaft Repair Bearing, DR0148K (Part No.DR0148K)

Schaeffler Axle Shaft Repair Bearing, DR0148K

from

$54.99
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.
See More

In-Demand Differentials for 1978 Mercury Monarches

Select from 67 premium Differentials parts for your 1978 Mercury Monarch, with prices ranging from $2.99 to $679.99.

Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074 (Part No.RDS 55074)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074

from

$9.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More

Motive Gear – Motive Gear Differential Crush Sleeve, 3507575 (Part No.3507575)

Motive Gear Differential Crush Sleeve, 3507575

from

$2.99
Motive Gear Differential Crush Sleeve, 3507575.
See More

Motive Gear – Motive Gear Differential Pinion Nut, 379570S (Part No.379570S)

Motive Gear Differential Pinion Nut, 379570S

from

$6.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear.
See More

Richmond Gear – Richmond Gear Differential Ring And Pinion, 49-0027-1 (Part No.49-0027-1)

Richmond Gear Differential Ring And Pinion, 49-0027-1

from

$344.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!
See More

Dorman – Help – Dorman – Help Pinion Crush Sleeves, 81056 (Part No.81056)

Dorman - Help Pinion Crush Sleeves, 81056

from

$6.99
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.
See More

National – National Multi-Purpose Seal, 51098 (Part No.51098)

National Multi-Purpose Seal, 51098

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.
See More

Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270 (Part No.RDS 13270)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270

from

$5.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More

Driveworks – Driveworks Oil Seal, S-51098 (Part No.S-51098)

Driveworks Oil Seal, S-51098

from

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

Driveworks – Driveworks Tapered Roller Bearing, S-M-802048 (Part No.S-M-802048)

Driveworks Tapered Roller Bearing, S-M-802048

from

$17.99
Driveworks Tapered Roller Bearing, S-M-802048.
See More

Mr. Gasket – "Mr. Gasket Rear End Gasket – Ford 9"" – Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability, 82" (Part No.82)

"Mr. Gasket Rear End Gasket - Ford 9"" - Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability, 82"

from

$26.69
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1957-1981 Ford 10 bolt 9 inch ring gear.
See More

National – National Shaft Repair Sleeve, 99166 (Part No.99166)

National Shaft Repair Sleeve, 99166

from

$36.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More

Motive Gear – Motive Gear Ring And Pinion Installation Kit, F9IK (Part No.F9IK)

Motive Gear Ring And Pinion Installation Kit, F9IK

from

$33.99
Motive Gear Ring And Pinion Installation Kit, F9IK.
See More

Motive Gear – Motive Gear Differential Carrier, D3TZ4204A (Part No.D3TZ4204A)

Motive Gear Differential Carrier, D3TZ4204A

from

$254.99
Motive Gear Differential Carrier, D3TZ4204A.
See More

Motive Gear – Motive Gear Differential Spool, FS9-31LW (Part No.FS9-31LW)

Motive Gear Differential Spool, FS9-31LW

from

$149.99
Motive Gear Differential Spool, FS9-31LW.
See More

Richmond Gear – Richmond Gear Ring and Pinion Set, F8355 (Part No.F8355)

Richmond Gear Ring and Pinion Set, F8355

from

$185.99
Richmond Gear Ring and Pinion Set, F8355.
See More

Motive Gear – Motive Gear Master Bearing Kit, RA310RMKT (Part No.RA310RMKT)

Motive Gear Master Bearing Kit, RA310RMKT

from

$129.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv
See More

Motive Gear – Motive Gear Bearing Kit, RA310RT (Part No.RA310RT)

Motive Gear Bearing Kit, RA310RT

from

$106.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv
See More

Motive Gear – Motive Gear Differential Mini Spool, MS9-31 (Part No.MS9-31)

Motive Gear Differential Mini Spool, MS9-31

from

$31.99
Motive Gear Differential Mini Spool, MS9-31.
See More

Motive Gear – Motive Gear Differential Gear Install Kit, F8IK (Part No.F8IK)

Motive Gear Differential Gear Install Kit, F8IK

from

$44.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
See More

Motive Gear – Motive Gear Master Bearing Kit, RA310RAMKT (Part No.RA310RAMKT)

Motive Gear Master Bearing Kit, RA310RAMKT

from

$125.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv
See More

ARP Auto Racing – "ARP Auto Racing For Use With Ford 9"" Using 5/8""Socket, 0.94""L Under Head, 7/16""-20, 12Point Head, 250-3002" (Part No.250-3002)

"ARP Auto Racing For Use With Ford 9"" Using 5/8""Socket, 0.94""L Under Head, 7/16""-20, 12Point Head, 250-3002"

from

$43.99
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.
See More

Powertrax – Powertrax Grip LOK Traction System, LK109031 (Part No.LK109031)

Powertrax Grip LOK Traction System, LK109031

from

$679.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

Powertrax – Powertrax Grip LOK Traction System, LK109028 (Part No.LK109028)

Powertrax Grip LOK Traction System, LK109028

from

$668.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

Richmond Gear – Richmond Gear RngPnn, 69-0284-1 (Part No.69-0284-1)

Richmond Gear RngPnn, 69-0284-1

from

$577.99
Richmond Gear RngPnn, 69-0284-1. DRIVELINE – TRANSMISSION PARTS>DIFFERENTIAL PARTS>RING AND PINION KITS>RING AND PINION KITS from Richmond Gear
See More

Most Sold 1978 Mercury Monarch Universal Joints

Explore our best-selling Mercury parts for the 1978 Monarch among 15 OEM and aftermarket options starting from $4.19.

Spicer – Spicer Universal Joint, Greaseable 1310 Series OSR, 5-153X (Part No.5-153X)

Spicer Universal Joint, Greaseable 1310 Series OSR, 5-153X

from

$33.49
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.
See More

Spicer – Spicer Universal Joint, 5-1310X (Part No.5-1310X)

Spicer Universal Joint, 5-1310X

from

$39.99
You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
See More

MOOG Driveline Products – MOOG Driveline Products Universal Joint U-Bolt Kit, 534-10 (Part No.534-10)

MOOG Driveline Products Universal Joint U-Bolt Kit, 534-10

from

$27.49
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.
See More

MOOG Driveline Products – MOOG Driveline Products Greaseable Premium Universal Joint, 369 (Part No.369)

MOOG Driveline Products Greaseable Premium Universal Joint, 369

from

$37.49
Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
See More

MOOG Driveline Products – MOOG Driveline Products Non-Greaseable Super Strength Universal Joint, 269 (Part No.269)

MOOG Driveline Products Non-Greaseable Super Strength Universal Joint, 269

from

$33.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
See More

MOOG Driveline Products – MOOG Driveline Products Greaseable Super Strength Universal Joint, 280 (Part No.280)

MOOG Driveline Products Greaseable Super Strength Universal Joint, 280

from

$43.49
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
See More

Driveworks – Driveworks Universal Joint, DW-369 (Part No.DW-369)

Driveworks Universal Joint, DW-369

from

$15.99
Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).
See More

Dorman – Help – Dorman – Help U-Joint Bolt Kit, 81004 (Part No.81004)

Dorman - Help U-Joint Bolt Kit, 81004

from

$6.99
This universal joint U-bolt kit is designed to match the original components required to repair and resecure universal joints on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.
See More

Neapco – Neapco Universal Joint, 2-4801 (Part No.2-4801)

Neapco Universal Joint, 2-4801

from

$7.89
Universal Joint DRIVELINE PARTS AND MOUNTS>UNIVERSAL JOINTS>U-JOINTS-STANDARD>U-JOINTS-STANDARD from Neapco
See More

Neapco – Neapco Universal Joint, 2-4800 (Part No.2-4800)

Neapco Universal Joint, 2-4800

from

$4.59
Universal Joint DRIVELINE PARTS AND MOUNTS>UNIVERSAL JOINTS>U-JOINTS-STANDARD>U-JOINTS-STANDARD from Neapco
See More

MOOG Driveline Products – MOOG Driveline Products Greaseable Premium Universal Joint, 430 (Part No.430)

MOOG Driveline Products Greaseable Premium Universal Joint, 430

from

$29.49
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.
See More

MOOG Driveline Products – MOOG Driveline Products Non-Greaseable Super Strength Universal Joint, 230 (Part No.230)

MOOG Driveline Products Non-Greaseable Super Strength Universal Joint, 230

from

$31.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
See More

MOOG Driveline Products – MOOG Driveline Products Greaseable Super Strength Universal Joint, 255 (Part No.255)

MOOG Driveline Products Greaseable Super Strength Universal Joint, 255

from

$28.49
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
See More

Spicer – Spicer Universal Joint, 5-1310-1X (Part No.5-1310-1X)

Spicer Universal Joint, 5-1310-1X

from

$44.99
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.
See More

Neapco – Neapco Universal Joint, 2-4900 (Part No.2-4900)

Neapco Universal Joint, 2-4900

from

$4.19
Universal Joint DRIVELINE PARTS AND MOUNTS>UNIVERSAL JOINTS>U-JOINTS-STANDARD>U-JOINTS-STANDARD from Neapco
See More

Top-Rated Drivetrains Brands For Your 1978 Mercury Monarch

Shop for the best-rated brands offering Drivetrains and other products for your 1978 Mercury Monarches. Below you’ll find some of our best rated Drivetrains from Moog, National, and Dorman, and more. Drivetrains from these brands that fit a 1978 Monarch start at just $5.99 and are rated as high as 4.5 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

Popular Moog 1978 Mercury Monarch Drivetrains

When it comes to maintaining or upgrading your 1978 Mercury Monarch, using quality Drivetrains is essential to ensure durability and a perfect fit. Moog ticks all of those boxes. We offer a wide selection of Moog Drivetrains, specifically designed for the 1978 Mercury Monarch. With over 3 Moog brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $27.49, with an average price of just $32.99. Plus, with over 112 customer reviews and an average rating of 4.5 stars, you can trust that our Moog Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
MOOG Driveline Products Universal Joint U-Bolt Kit, 534-10
from $27.49
(2)
MOOG Driveline Products Universal Joint U-Bolt Kit, 534-10
“quality product”

Popular National 1978 Mercury Monarch Drivetrains

National auto parts is one of the highest quality Drivetrain brands in the market. Any 1978 Mercury Monarch owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1978 Monarch, Advance Auto Parts carries a full inventory of 3 National Drivetrains. Plus you will be keeping your Mercury in peak condition while saving money because prices on these National Drivetrains range from $11.99 to $36.99, plus, with more than 29 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.
National Shaft Repair Sleeve, 99187
from $36.99
(1)
National Shaft Repair Sleeve, 99187
“Fixed my Ford F-150 4.2. Fit well and installation tool seated the sleeve exactly where it needed to be. Super easy to use and covered the grooved s”
National Wheel Seal, 8660S
from $11.99
(19)
National Wheel Seal, 8660S
“So far it’s holding up”
National Bearing, M88048
from $16.29
(9)
National Bearing, M88048
“as advertised”

FAQs for 1978 Mercury Monarch Drivetrains

Which Drivetrains are best-sellers for 1978 Mercury Monarches?

Out of 95 Drivetrains that fit 1978 Mercury Monarches, the following parts are the top sellers:

What’s the price range for 1978 Mercury Monarch Drivetrains?

Drivetrain prices for the 1978 Mercury Monarch start at $2.99 and go up to $679.99 for the most premium parts.

What’s the average price of a Drivetrain for a 1978 Mercury Monarch?

The average price for Drivetrains for the 1978 Mercury Monarch is $146.28. 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 Mercury Monarch model years?

Yes, we currently carry Drivetrains for 4 model years of Mercury Monarches between 1975 and 1980. Drivetrains are bought most frequently for the following model years: 1980, 1979, 1977, 1976, and 1975.

What are the cheapest Drivetrains for my 1978 Mercury Monarch?

The cheapest 1978 Mercury Monarch Drivetrains we carry in stock are:

What are the top-rated Drivetrains that fit the 1978 Mercury Monarch?

Out of 592 reviews by customers, our 1978 Mercury Monarch Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1978 Mercury Monarch and their top-rated products:

What types of Drivetrains do you sell for my 1978 Mercury Monarch?

Can I get help with 1978 Mercury Monarch Drivetrain orders?

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

What is your return policy for Mercury Monarch Drivetrains?

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