1977 Mercury Comet Drivetrains
Find Your Specific 1977 Mercury Comet Drivetrains
Below you will find various in-demand Mercury Drivetrains, components and accessories for your 1977 Comet. Advance Auto Parts has popular Comet parts like Drive Shafts and Axles, Spindles, Transfer Cases and more. You’ll also find aftermarket and OEM Drivetrains for other Comet model years including
1967,
1968,
1969,
1971,
1972,
1973,
1974,
1975,
1976 and more. Select a category of 1977 Mercury Comet Drivetrains below and start saving instantly.
Popular 1977 Mercury Comet Drivetrains Categories
Essential Drivetrains for 1977 Mercury Comets
Yukon Gear – "Yukon Gear Positraction Internals for Ford 8""/9"" with 28 Spline Axles, 2-Pinion Design, 16022" (Part No.16022)
from
$285.99
This kit replaces the internals of a positraction unit for popular Ford diffs with 28 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure longer lasting gears. This kit does not include clutches.
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Yukon Gear – "Yukon Gear Pinion Depth Shims for Ford 9"" with 7/16"" Studs, 55057" (Part No.55057)
from
$76.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Yukon Gear – "Yukon Gear Trac Loc Ring Gear Bolt Washer For 8"" And 9"" Ford, 33245" (Part No.33245)
Yukon Gear – Yukon Gear Crush Sleeve, 33085 (Part No.33085)
from
$9.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Standard Open/Tracloc Cross Pin Shafts & Block In Four Pinion Design for 9"" Ford, 33333" (Part No.33333)
from
$207.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Grizzly Locker For Ford 9"" With 31 Spline Axles, Fits Load Bolt Housing, 28033" (Part No.28033)
from
$993.99
“The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″” & 10″” dropouts.”
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Yukon Gear – "Yukon Gear Axle Bearing Retainer for Ford 9"", Small Bearing, 3/8"" Bolt Holes, 33468" (Part No.33468)
from
$22.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Richmond Gear – Richmond Gear Differential Gear Install Kit, 83-1011-B (Part No.83-1011-B)
from
$48.99
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.
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Yukon Gear – "Yukon Gear Pilot Bearing for Ford 8"", 18043" (Part No.18043)
from
$40.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Dorman – Help – Dorman – Help U-Joint Bolt Kit, 81004 (Part No.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.
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Yukon Gear – "Yukon Gear 9"" Ford HD 6061 Aluminum Pinion Support, 32162" (Part No.32162)
from
$215.99
Yukon heavy duty pinion supports feature upgraded materials and a larger design than OEM to provide heavy duty strength in racing and off-road applications
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National – National Shaft Repair Sleeve, 99174 (Part No.99174)
from
$46.49
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.
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National – National Multi-Purpose Bearing, R-1535-TAV (Part No.R-1535-TAV)
from
$42.49
Manufactured with premium-grade steel, National cylindrical outer races are designed and engineered to meet OE specifications.
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Yukon Gear – "Yukon Gear 9"" Ford Pinion Nut, 35 Spline Large Pinion Oversize, 33161" (Part No.33161)
from
$26.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Driveworks – Driveworks Taper Bearing Set, S-A-2 (Part No.S-A-2)
Yukon Gear – "Yukon Gear Pinion Support Bolt for 8"" and 9"" Ford, 33242" (Part No.33242)
from
$6.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Dorman – Pik-a-Nut – Dorman – Pik-a-Nut Spindle Nut Kit, 13/16-20, 304994.1 (Part No.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.
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Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270 (Part No.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.
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Yukon Gear – "Yukon Gear Pinion Gear and Thrust Washer for 8"" and 9"" Ford, Model 20, and 7.25"" Chrysler, 33301" (Part No.33301)
from
$4.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear 7.25"" Ford & 6.75"" Ford Pinion Seal, 30173" (Part No.30173)
from
$55.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Yukon Gear – "Yukon Gear Model 20 & Model 35 Axle Stud 1/2""-20 X 1.625"" Length, 0.620"" Dia – Knurl, 33181" (Part No.33181)
Yukon Gear – Yukon Gear Trac Loc Friction Plate, 4 Tab, 16177 (Part No.16177)
from
$21.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs.
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Yukon Gear – Yukon Gear 1310 To Mechanics 3R Adapter U/Joint, 42013 (Part No.42013)
Yukon Gear – "Yukon Gear Adaptor Washer for 28 Spline Pinion In Oversize Support, for 9"" Ford, 32240" (Part No.32240)
from
$71.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear 8"" Ford O-Ring, 30027" (Part No.30027)
from
$9.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Yukon Gear – "Yukon Gear Master Overhaul Kit, Ford 9"" Daytona LM102910 with Crushsleeve Eliminator, 14205" (Part No.14205)
from
$364.99
Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.
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Powertrax – Powertrax Differential Lock Assembly, 1810-LR (Part No.1810-LR)
from
$339.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
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Dorman – Dorman Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In., 615-075.1 (Part No.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.
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Upgrade your 1977 Mercury Comet with Top-Quality Drivetrains
When it comes to maintaining or upgrading your 1977 Mercury Comet, 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 Comet functioning at its best. At Advance Auto Parts, we offer a wide selection of 362 Drivetrains for the 1977 Mercury Comet, designed to meet your needs without breaking the bank.
From
Drive Shafts and Axle
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 1977 Mercury Comet at great prices.
Our Drivetrains inventory for this model
ranges from just $2.99 to $1,211.99, with
an average price of $249.94.
Our 362 Drivetrains in stock come from 13 trusted brands, so you’re sure to find the right part for your 1977 Mercury Comet 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 1977 Mercury Comet, 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 594 customer reviews and counting, our 1977 Mercury Comet 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 1977 Mercury Comet is always ready to roll. We’re committed to providing you with everything you need to keep your Comet in top shape, all in one place.
Start shopping confidently below for your 1977 Mercury Comet!
Best-Selling Drive Shafts and Axles for 1977 Mercury Comets
Enhance the driving experience in your Mercury with 11 quality Drive Shafts and Axle components, starting at $5.99.
Dorman – Help – Dorman – Help Driveshaft Flange Bolts, 80992 (Part No.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.
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National – National Multi-Purpose Bearing, 207-L (Part No.207-L)
from
$37.99
Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.
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Yukon Gear – "Yukon Gear Axle Bearing Retainer for Ford 9"", Large Bearing, 1/2"" Bolt Holes, 33467" (Part No.33467)
from
$67.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Pilot Bearing for Ford 8"", 18043" (Part No.18043)
from
$40.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Carrier Bearing Puller Set, 56034 (Part No.56034)
from
$689.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Yukon Gear – "Yukon Gear Ford 9"" (3/8"" Holes) Torino Design Housing Ends, 32160" (Part No.32160)
from
$279.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Conversion Bearing for Small Bearing Ford 9"" Axle In Large Bearing Housing, 18046" (Part No.18046)
from
$92.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Adaptor Washer for 28 Spline Pinion In Oversize Support, for 9"" Ford, 32240" (Part No.32240)
from
$71.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Axle Bearing Retainer with Large & Small Bearing, 3/8"" Bolt Holes, 33466" (Part No.33466)
from
$22.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Axle Bearing Retainer for Ford 9"", Small Bearing, 3/8"" Bolt Holes, 33468" (Part No.33468)
from
$22.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Model 20 & Model 35 Axle Stud 1/2""-20 X 1.625"" Length, 0.620"" Dia – Knurl, 33181" (Part No.33181)
Most Popular 1977 Mercury Comet 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)
from
$5.99
This spindle lock nut kit includes a new spindle nut and the necessary hardware designed to match the factory equipment.
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Dorman – Dorman Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In., 615-075.1 (Part No.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.
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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)
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.
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Top Picks for 1977 Mercury Comet Transfer Cases
Upgrade Mercury Comets with top-quality Transfer Cases parts, including 5 OEM and aftermarket selections for your 1977 model.
National – National Shaft Repair Sleeve, 99187 (Part No.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.
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National – National Shaft Repair Sleeve, 99174 (Part No.99174)
from
$46.49
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.
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National – National Bearing, M86649 (Part No.M86649)
from
$17.29
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing Race, M86610 (Part No.M86610)
from
$9.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Multi-Purpose Bearing, 208-LO (Part No.208-LO)
from
$49.99
Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.
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In-Demand Universal Joints for 1977 Mercury Comets
Select from 21 premium Universal Joints parts for your 1977 Mercury Comet, with prices ranging from $6.99 to $304.99.
MOOG Driveline Products – MOOG Driveline Products Universal Joint U-Bolt Kit, 534-10 (Part No.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.
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MOOG Driveline Products – MOOG Driveline Products Greaseable Premium Universal Joint, 369 (Part No.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.
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MOOG Driveline Products – MOOG Driveline Products Non-Greaseable Super Strength Universal Joint, 269 (Part No.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.
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MOOG Driveline Products – MOOG Driveline Products Greaseable Super Strength Universal Joint, 280 (Part No.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.
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Driveworks – Driveworks Universal Joint, DW-369 (Part No.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).
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Dorman – Help – Dorman – Help U-Joint Bolt Kit, 81004 (Part No.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.
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MOOG Driveline Products – MOOG Driveline Products Greaseable Premium Universal Joint, 430 (Part No.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.
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Yukon Gear – Yukon Gear 1310 To 1330 Adapter U/Joint, 42005 (Part No.42005)
from
$59.99
“Yukon 1310 to 1330 adapter U/Joint. The 1310 side has a 3.219″” span and 1.062″” caps. The 1330 side has a 3.625″” span and 1.062″” caps. Both sides are outside snap ring.”
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MOOG Driveline Products – MOOG Driveline Products Non-Greaseable Super Strength Universal Joint, 230 (Part No.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.
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Yukon Gear – Yukon Gear 1350 To 1410 Conversion U/Joint, 42006 (Part No.42006)
MOOG Driveline Products – MOOG Driveline Products Greaseable Super Strength Universal Joint, 255 (Part No.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.
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Yukon Gear – "Yukon Gear 1310 And 1330 U/Bolt Kit (2 U-Bolts And 4 Nuts) For 9"" Ford, 41112" (Part No.41112)
Yukon Gear – Yukon Gear 1310 To Mechanics 3R Adapter U/Joint, 42013 (Part No.42013)
Yukon Gear – Yukon Gear 1350 Lifetime Series U/Joint, 42021 (Part No.42021)
from
$63.99
“Yukon 1350 Lifetime Series U/Joint. 3.625″” snap ring span, 1.188″” cap diameter. Outside snap ring.”
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Yukon Gear – Yukon Gear 1310 Lifetime U/Joint, 42003 (Part No.42003)
from
$57.99
“1310 Yukon Lifetime U/joint. 1.718″” snap ring span, 1.062″” cap diameter. Inside snap ring.”
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Yukon Gear – "Yukon Gear Yoke for Ford 9"" with 35 Spline Pinion and A 1350 U/Joint Size, 41058" (Part No.41058)
from
$304.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
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Yukon Gear – "Yukon Gear Yoke for Ford 8"" with A 1310 U/Joint Size, 41047" (Part No.41047)
from
$289.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
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Yukon Gear – "Yukon Gear Yoke for Ford 9"" with 28 Spline Pinion and A 1330 U/Joint Size, 41143" (Part No.41143)
from
$242.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
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Yukon Gear – "Yukon Gear Forged Yoke for Ford 9"" with 35 Spline Pinion and A 1350 U/Joint Size, 41065" (Part No.41065)
from
$209.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
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Yukon Gear – "Yukon Gear Yoke (Short, for Daytona Support), Ford 9"", 28 Spline, 1330 U-Joint, 41055" (Part No.41055)
from
$203.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
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Yukon Gear – Yukon Gear 1350 To Mechanics 3R Adaptor U/Joint, 42001 (Part No.42001)
Most Sold 1977 Mercury Comet Differentials
Explore our best-selling Mercury parts for the 1977 Comet among 322 OEM and aftermarket options starting from $2.99.
Motive Gear – Motive Gear Differential Crush Sleeve, 3507575 (Part No.3507575)
Motive Gear – Motive Gear Differential Pinion Nut, 379570S (Part No.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.
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Richmond Gear – Richmond Gear Differential Ring And Pinion, 49-0027-1 (Part No.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!
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Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)
from
$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270 (Part No.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
Yukon Gear – Yukon Gear Crush Sleeve, 33093 (Part No.33093)
from
$10.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
See More
Yukon Gear – Yukon Gear Crush Sleeve, 33085 (Part No.33085)
from
$9.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Outer Oil Slinger For Ford 7.5"", 8.8"", 9"", 10.25"", 33022" (Part No.33022)
from
$8.99
“Replacement outer oil slinger for Ford 7.5″”, 8.8″”, 9″”, 10.25″”, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.”
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Yukon Gear – "Yukon Gear Ford 8"" & 9"" Standard Open, Ag, & Detroit Locker Ring Gear Bolt, 33058" (Part No.33058)
from
$5.99
“Ford 8″” & 9″” standard Open, AG, & Detroit locker ring gear bolt. 7/16″” head, .925″” long.”
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Yukon Gear – "Yukon Gear Ford 8"" & 9"" Standard Open, Ag, & Detroit Locker Ring Gear Bolt, 33043" (Part No.33043)
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$5.99
“Ford 8″” & 9″” standard Open, AG, & Detroit locker ring gear bolt, 1.0″” long, Ford.”
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Yukon Gear – "Yukon Gear Ford 8"" & 9"" Tracloc Ring Gear Bolt, 33044" (Part No.33044)
Yukon Gear – Yukon Gear Pinion Nut, 33154 (Part No.33154)
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$7.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear 9"" Ford Gasket, 23012" (Part No.23012)
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$11.99
“9”” Ford gasket. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear”
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Yukon Gear – "Yukon Gear Preload Shim Kit for Chrysler 8.75"" & Ford 9"", 55030" (Part No.55030)
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$21.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Yukon Gear – "Yukon Gear Fill Plug For Ford 9"", 1/2"" Thread, 33539" (Part No.33539)
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$10.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.
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Yukon Gear – "Yukon Gear Dana 44, Ford 8"" / 9"", and Model 20 Side Gear Thrust Washer Replacement, 33283" (Part No.33283)
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$5.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Pilot Bearing for Ford 9"", 18042" (Part No.18042)
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$38.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Pinion Support Bolt for 8"" and 9"" Ford, 33242" (Part No.33242)
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$6.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)
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$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Yukon Gear – "Yukon Gear O-ring for 9"" Ford, 30028" (Part No.30028)
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$14.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Yukon Gear – "Yukon Gear Side Gear with Hub for 9"" Ford with 31 Splines, 16161" (Part No.16161)
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$47.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs.
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Yukon Gear – "Yukon Gear 8"" Ford O-Ring, 30027" (Part No.30027)
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$9.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Yukon Gear – "Yukon Gear Pilot Bearing retainer for Ford 9"", 33255" (Part No.33255)
from
$11.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Dropout Housing Stud For Ford 8"" & 9"", 32338" (Part No.32338)
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$7.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.
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Top-Rated Drivetrains Brands For Your 1977 Mercury Comet
Shop for the best-rated brands offering Drivetrains and other products for your 1977 Mercury Comets. Below you’ll find some of our best rated Drivetrains from Moog, National, and Dorman, and more. Drivetrains from these brands that fit a 1977 Comet 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 1977 Mercury Comet Drivetrains
When it comes to maintaining or upgrading your 1977 Mercury Comet, 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 1977 Mercury Comet. 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.
from
$33.99
(28)
MOOG Driveline Products Non-Greaseable Super Strength Universal Joint, 269
“Similar to oem product”
Popular National 1977 Mercury Comet Drivetrains
National auto parts is one of the highest quality Drivetrain brands in the market. Any 1977 Mercury Comet owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1977 Comet, 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 $17.29 to $46.49, plus, with more than 5 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.
from
$46.49
(1)
National Shaft Repair Sleeve, 99174
“To use this sleeve on a torque converter, the supplied tool isn’t long enough. However a piece of PVC pipe can work. (normally this is used on a harmo”
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”
FAQs for 1977 Mercury Comet Drivetrains
Which Drivetrains are best-sellers for 1977 Mercury Comets?
Out of 362 Drivetrains that fit 1977 Mercury Comets, the following parts are the top sellers:
- Driveworks Universal Joint, DW-369 (10265714) – $15.99
- Dorman – Help Driveshaft Flange Bolts, 80992 (11790354) – $22.49
- Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (11644279) – $44.99
What’s the price range for 1977 Mercury Comet Drivetrains?
Drivetrain prices for the 1977 Mercury Comet start at $2.99 and go up to $1,211.99 for the most premium parts.
What’s the average price of a Drivetrain for a 1977 Mercury Comet?
The average price for Drivetrains for the 1977 Mercury Comet is $249.94. 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 Comet model years?
What are the cheapest Drivetrains for my 1977 Mercury Comet?
The cheapest 1977 Mercury Comet Drivetrains we carry in stock are:
- Motive Gear Differential Crush Sleeve, 3507575 (20520219) – $2.99
- Dorman Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In., 615-075.1 (21260549) – $3.49
- "Yukon Gear Trac Loc Ring Gear Bolt Washer For 8"" And 9"" Ford, 33245" (11643118) – $3.99
- "Yukon Gear Adjuster lock bolt 3.062"" & 3.250"" Yukon Ford 9"" Drop Out, 32149" (11642694) – $3.99
- "Yukon Gear Ford 8"" & 9"" Tracloc Ring Gear Bolt, 33044" (11642940) – $4.99
What are the top-rated Drivetrains that fit the 1977 Mercury Comet?
Out of 594 reviews by customers, our 1977 Mercury Comet Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1977 Mercury Comet and their top-rated products:
- Differentials
- Motive Gear Differential Crush Sleeve, 3507575 (20520219) – $2.99
- Motive Gear Differential Pinion Nut, 379570S (10954713) – $6.99
- Richmond Gear Differential Ring And Pinion, 49-0027-1 (10584208) – $344.99
- Universal Joints
- Motive Gear Differential Crush Sleeve, 3507575 (20520219) – $2.99
- Motive Gear Differential Pinion Nut, 379570S (10954713) – $6.99
- Richmond Gear Differential Ring And Pinion, 49-0027-1 (10584208) – $344.99
- Spindles
- Motive Gear Differential Crush Sleeve, 3507575 (20520219) – $2.99
- Motive Gear Differential Pinion Nut, 379570S (10954713) – $6.99
- Richmond Gear Differential Ring And Pinion, 49-0027-1 (10584208) – $344.99
What types of Drivetrains do you sell for my 1977 Mercury Comet?
As of 8/2/26, these are some of the most in-demand types of Drivetrains for a 1977 Mercury Comet:
Can I get help with 1977 Mercury Comet 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 Comet Drivetrains?
Advance Auto Parts keeps returns simple. For new Mercury Comet Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
