1977 Mercury Comet Drivetrains

Please Select your Vehicle to See Exact Fit Parts

Popular 1977 Mercury Comet Drivetrains Categories

Essential Drivetrains for 1977 Mercury Comets

Yukon Gear – Ford 9" 3.062" Aluminum Case, HD Dropout Housing (Part No.32034)

Ford 9" 3.062" Aluminum Case, HD Dropout Housing

from

$729.99
9″ Yukon 3.062″ aluminum case, HD dropout housing with forged caps. The Yukon aluminum dropouts feature a adjuster lock which is offset 90 degrees, offering an uninterrupted bearing cap for higher strenth. Made from A356-T6 aluminum and featuring a through-bolt desgin, this dropout is built for high horsepower & tall tires.Rated up to 1000HP!

Product Features:
  • Fits Ford 9″
  • 3.062″ carrier race diameter
  • A356-T6 aluminum
  • Thru-bolt design added strength
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Bearing - TRB (Tapered Roller Bearing)

from

$14.99
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.

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

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

U-Joint Bolt Kit

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.

Product Features:
  • Direct replacement – this universal joint U-bolt kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Yukon Gear – Pinion Install Kit for Ford Daytona 9" Differential (Part No.13045)

Pinion Install Kit for Ford Daytona 9" Differential

from

$284.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

Product Features:
  • Fits Ford 9″ with Daytona pinion support
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
See More

National – Tapered Roller Bearing Cone (Part No.HM89443)

Tapered Roller Bearing Cone

from

$38.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

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

Yukon Gear – Flat Side Gear without Hub for 9" Ford with 31 Splines (Part No.16162)

Flat Side Gear without Hub for 9" Ford with 31 Splines

from

$46.99
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.

Product Features:
  • Side gear without hub
  • Fits Ford 8″ and 9″ Trac Loc positraction with 31 spline axles
See More

Yukon Gear – 1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support) (Part No.32239)

1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support)

from

$74.99
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.

Product Features:
  • Adapter sleeve
  • Fits Ford 9″
  • Adapts 28 spline pinion into 35 spline pinion support
See More

Yukon Gear – Trac Loc Clutch Guide for 9" Ford (Part No.33250)

Trac Loc Clutch Guide for 9" Ford

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.

Product Features:
  • Clutch guide
  • Fits Ford 8″ and 9″
See More

Yukon Gear – Carrier Bearing Puller Set (Part No.56034)

Carrier Bearing Puller Set

from

$689.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or GM and Chrysler 11.5″ 1-ton applications
  • Works with an impact gun to safely and easily remove carrier bearings
  • Comes with a handy bench-top stand
  • For 1-ton applications shop Yukon part YT P22
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:
  • Includes four quarts of Redline Shockproof oil
See More

Yukon Gear – Pinion Gear and Thrust Washer for 8" and 9" Ford, Model 20, and 7.25" Chrysler (Part No.33301)

Pinion Gear and Thrust Washer for 8" and 9" Ford, Model 20, and 7.25" Chrysler

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.

Product Features:
  • Pinion gear thrust washer for Ford 8″, Ford 9″ and Chrysler 7.25″
See More

Motive Gear – Differential Pinion Bearing Spacer (Part No.SS9)

Differential Pinion Bearing Spacer

from

$45.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Yukon Gear – Ford 9" (3/8" Holes) Torino Design Housing Ends (Part No.32160)

Ford 9" (3/8" Holes) Torino Design Housing Ends

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.

Product Features:
  • Housing ends
  • Fits Ford 9″
  • 3 9/16″ x 2″ bolt pattern
  • 3/8″ bolt holes
  • Set of two
See More

Yukon Gear – 3.062" Side Adjuster for Ford 9" (Part No.32139)

3.062" Side Adjuster for Ford 9"

from

$94.99
Yukon Gear & Axle dropouts are heavy duty. They feature upgraded nodular iron construction and a larger-than-OEM design to provide unrivaled strength and reliability in racing and off-road applications.

Product Features:
  • Side adjuster
  • Fits Ford 9″
  • 3.062″ designs only
See More

Yukon Gear – Pilot Bearing for Ford 8" (Part No.18043)

Pilot Bearing for Ford 8"

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.

Product Features:
  • Pilot bearing
  • Fits Ford 8″
See More

Yukon Gear – Side Gear with Hub for 9" Ford with 31 Splines (Part No.16161)

Side Gear with Hub for 9" Ford with 31 Splines

from

$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.

Product Features:
  • Side gear with hub
  • Fits Ford 8″ and 9″ standard open differential and Trac Loc positraction with 31 spline axles
See More

Yukon Gear – Ford 9" Nodular Daytona Style Pinion Support (Part No.32102)

Ford 9" Nodular Daytona Style Pinion Support

from

$203.99
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.

Product Features:
  • Nodular iron
  • Larger inner pinion bearing reduces gear deflection under high load
  • Fits Ford 9″ with 28 spline pinion
  • Nodular iron
See More

Dorman – Spindle Nut 3/4 In.-16 and M20 In.-1.0 Hex Size 1-1/16 In. and 27mm (Part No.615-073.1)

Spindle Nut 3/4 In.-16 and M20 In.-1.0 Hex Size 1-1/16 In. and 27mm

from

$5.49
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.

Product Features:
  • Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

USA Standard Gear – Ring & Pinion Gear Set For Ford 9" In A 6.00 Ratio (Part No.36150)

Ring & Pinion Gear Set For Ford 9" In A 6.00 Ratio

from

$329.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits Ford 9″
  • 9.00″ ring gear diameter
  • 28 spline pinion
  • 10 ring gear bolts
  • 6.00 ratio
See More

Yukon Gear – Model 20 & Model 35 Axle Stud 1/2"-20 X 1.625" Length, 0.620" Dia – Knurl (Part No.33181)

Model 20 & Model 35 Axle Stud 1/2"-20 X 1.625" Length, 0.620" Dia - Knurl

from

$5.99
Model 20 & Model 35 axle stud 0.620″ Dia. Shank.

Product Features:
  • Axle stud for AMC Model 20 and Model 35
  • 1/2″ x 20 thread
  • 0.620″ knurl diameter
  • 1.625″ long
See More

Yukon Gear – Grizzly Locker For Ford 8" With 31 Spline Axles (Part No.28007)

Grizzly Locker For Ford 8" With 31 Spline Axles

from

$941.99
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 is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! 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!

Product Features:
  • Fits Ford 8″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
See More

Yukon Gear – Trac Loc For Ford 9" Wtih 31 Spline Axles – Street Design (Part No.26010)

Trac Loc For Ford 9" Wtih 31 Spline Axles - Street Design

from

$789.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″ with 31 spline axles
  • Trac Loc positraction
  • Clutch style positraction
  • Street design
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
See More

Yukon Gear – Grizzly Locker For Ford 9" With 31 Spline Axles (Part No.28009)

Grizzly Locker For Ford 9" With 31 Spline Axles

from

$929.99
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.

Product Features:
  • Fits Ford 9″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
See More

Yukon Gear – 9" Ford Pinion Nut, 35 Spline Large Pinion Oversize (Part No.33161)

9" Ford Pinion Nut, 35 Spline Large Pinion Oversize

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.

Product Features:
  • Pinion nut
  • Fits Ford 9″ with 35 spline pinion
See More

Yukon Gear – 9" Ford Yoke Spacer (To Use Daytona or Race Yoke Standard Open Style Support) (Part No.41052)

9" Ford Yoke Spacer (To Use Daytona or Race Yoke Standard Open Style Support)

from

$18.99
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.

Product Features:
  • Fits Ford 9″
  • 28 spline
  • Spacer to install short Daytona style yoke in stock pinion support
See More

Motive Gear – Differential Pinion Shim Kit (Part No.WAA4663)

Differential Pinion Shim Kit

from

$15.99
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

Yukon Gear – Adjuster lock bolt 3.062" & 3.250" Yukon Ford 9" Drop Out (Part No.32149)

Adjuster lock bolt 3.062" & 3.250" Yukon Ford 9" Drop Out

from

$3.99
Yukon Gear & Axle dropouts are heavy duty. They feature upgraded nodular iron construction and a larger-than-OEM design to provide unrivaled strength and reliability in racing and off-road applications.

Product Features:
  • Side adjuster lock bolt
See More

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

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

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.

Product Features:
  • Forged From Premium Grade 8740 Chrome Moly Steel
  • Heat Treated
  • Nominally Rated At 200,000 PSI Tensile Strength
  • Specially Hardened, Precision Ground Washers
  • 0.95″ Underhead Length
  • 200,000 PSI
  • Sold As A Set
See More

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 372 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 $1.99 to $1,211.99, with an average price of $252.30. Our 372 Drivetrains in stock come from 15 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, Motive Gear, and more. Moog Drivetrains start at just $25.99 and boast an impressive 4.5 stars average rating from customers. National and Motive Gear also bring quality to the table, with Drivetrains available starting at $2.79, and at an average 4.3 stars rating. With 684 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 12 quality Drive Shafts and Axle components, starting at $5.99.

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

Driveshaft Flange Bolts

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.

Product Features:
  • Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this drive shaft bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Yukon Gear – Ford 7.5", 8", 8.8", & 9" Axle Stud (Part No.33175)

Ford 7.5", 8", 8.8", & 9" Axle Stud

from

$6.99
Ford 7.5″, 8″, 8.8″, & 9″ axle stud.

Product Features:
  • Axle stud for Ford 7.5″, 8.8″ and 9″
  • 1/2″ x 20 thread
  • 1 7/8″ long
  • 29/64″ shoulder length
See More

Yukon Gear – Mighty Seal (Part No.30214)

Mighty Seal

from

$26.99
Axle seal.Yukon Mighty seal.

Product Features:
  • Rear axle seal
  • Fits Ford 8″
  • 2.264″ O.D.
  • 1.365″ I.D.
See More

Yukon Gear – Fill Plug For Ford 9", 1/2" Thread (Part No.33539)

Fill Plug For Ford 9", 1/2" Thread

from

$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 t

Product Features:
  • Fill plug
  • Fits Ford 9″
See More

Yukon Gear – Axle Bearing Retainer for Ford 9", Large Bearing, 1/2" Bolt Holes (Part No.33467)

Axle Bearing Retainer for Ford 9", Large Bearing, 1/2" Bolt Holes

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.

Product Features:
  • Axle bearing retainer for Ford 9″
  • Fits large bearing applications
  • 1/2″ bolt holes
  • 3 1/2″ x 2 3/8″ bolt pattern
See More

Yukon Gear – Ford 9" (3/8" Holes) Torino Design Housing Ends (Part No.32160)

Ford 9" (3/8" Holes) Torino Design Housing Ends

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.

Product Features:
  • Housing ends
  • Fits Ford 9″
  • 3 9/16″ x 2″ bolt pattern
  • 3/8″ bolt holes
  • Set of two
See More

Yukon Gear – Conversion Bearing for Small Bearing Ford 9" Axle In Large Bearing Housing (Part No.18046)

Conversion Bearing for Small Bearing Ford 9" Axle In Large Bearing Housing

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.

Product Features:
  • Axle bearing
  • Fits Ford 9″
  • Conversion bearing to install small bearing axle into large bearing housing
  • 3.150″ O.D.
  • 1.377″ I.D.
See More

Yukon Gear – 1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support) (Part No.32239)

1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support)

from

$74.99
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.

Product Features:
  • Adapter sleeve
  • Fits Ford 9″
  • Adapts 28 spline pinion into 35 spline pinion support
See More

Yukon Gear – Adaptor Washer for 28 Spline Pinion In Oversize Support, for 9" Ford (Part No.32240)

Adaptor Washer for 28 Spline Pinion In Oversize Support, for 9" Ford

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.

Product Features:
  • Adapter washer
  • Fits Ford 9″
  • Adapts 28 spline pinion into 35 spline pinion support
See More

Yukon Gear – Axle Bearing Retainer for Ford 9", Small Bearing, 3/8" Bolt Holes (Part No.33468)

Axle Bearing Retainer for Ford 9", Small Bearing, 3/8" Bolt Holes

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.

Product Features:
  • Axle bearing retainer for Ford 9″
  • Fits small bearing applications
  • 3/8″ bolt holes
  • 3 5/16″ x 2″ bolt pattern
See More

Yukon Gear – Axle Bearing Retainer with Large & Small Bearing, 3/8" Bolt Holes (Part No.33466)

Axle Bearing Retainer with Large & Small Bearing, 3/8" Bolt Holes

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.

Product Features:
  • Axle bearing retainer for Ford 9″
  • Fits large and small bearing applications
  • 3/8″ bolt holes
  • 3 9/16″ x 2″ bolt pattern
See More

Yukon Gear – Model 20 & Model 35 Axle Stud 1/2"-20 X 1.625" Length, 0.620" Dia – Knurl (Part No.33181)

Model 20 & Model 35 Axle Stud 1/2"-20 X 1.625" Length, 0.620" Dia - Knurl

from

$5.99
Model 20 & Model 35 axle stud 0.620″ Dia. Shank.

Product Features:
  • Axle stud for AMC Model 20 and Model 35
  • 1/2″ x 20 thread
  • 0.620″ knurl diameter
  • 1.625″ long
See More

Most Popular 1977 Mercury Comet Spindles

Customize your Mercury with 2 Spindles products like Spindle Retainers and Spindle Lock Nut Thrust Washers, all priced under $4.99.

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

Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In.

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.

Product Features:
  • Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

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

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

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.

Product Features:
  • Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Top Picks for 1977 Mercury Comet Transfer Cases

Upgrade Mercury Comets with top-quality Transfer Cases parts, including 2 OEM and aftermarket selections for your 1977 model.

Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)

Tapered Cone/Cup Wheel Bearing Set

from

$26.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Multi-Purpose Bearing (Part No.208-LO)

Multi-Purpose Bearing

from

$49.49
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.

Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

In-Demand Universal Joints for 1977 Mercury Comets

Select from 17 premium Universal Joints parts for your 1977 Mercury Comet, with prices ranging from $6.99 to $111.99.

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

Universal Joint U-Bolt Kit

from

$25.99
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.

Product Features:
  • For U-Joints 375, 430, 434 & 498
  • Fits 1-1/8″ bearings
See More

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

Greaseable Premium Universal Joint

from

$35.99
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.

Product Features:
  • BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
  • STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
  • INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
  • RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
See More

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

Non-Greaseable Super Strength Universal Joint

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.

Product Features:
  • BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

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

Greaseable Super Strength Universal Joint

from

$41.49
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.

Product Features:
  • BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

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

Universal Joint

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).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
See More

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

U-Joint Bolt Kit

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.

Product Features:
  • Direct replacement – this universal joint U-bolt kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

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

Greaseable Premium Universal Joint

from

$27.99
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:
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • GREASABLE DESIGN – Greasable u-joints allow for new grease to flush out contaminants and moisture
  • KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
  • Cross forging shape and flash provide easier installation and high strength
See More

Yukon Gear – 1310 U/Joint With Zerk Fitting On Cross (Part No.42008)

1310 U/Joint With Zerk Fitting On Cross

from

$44.99
Yukon 1310 U/Joint with zerk fitting on cross. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring.

Product Features:
  • Cover gasket
  • Fits 8.2″ in Buick, Oldsmobile and Pontiac
See More

Yukon Gear – 1310 To 1330 Adapter U/Joint (Part No.42005)

1310 To 1330 Adapter U/Joint

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.

Product Features:
  • Fits 1988-1998 F350
  • 4340 Chromoly
  • Left hand inner axle
  • 35 spline
  • 36.97″ from end of splines to center of u-joint bore
See More

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

Non-Greaseable Super Strength Universal Joint

from

$31.49
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.

Product Features:
  • BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

Yukon Gear – 1350 To 1410 Conversion U/Joint (Part No.42006)

1350 To 1410 Conversion U/Joint

from

$78.99
Yukon 1350 to 1410 conversion u/joint.

Product Features:
  • Fits 2010 and down Chrysler 9.25″ rear
  • 9.25″ ring gear diameter
  • 29 spline pinion
  • 12 ring gear bolts
  • 4.11 ratio
See More

Yukon Gear – 1350 Lifetime Series U/Joint (Part No.42021)

1350 Lifetime Series U/Joint

from

$63.99
Yukon 1350 Lifetime Series U/Joint. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring.

Product Features:
  • Fits Dana Spicer 60
  • 4340 Chromoly
  • 30 spline
  • Cut to length design fits 34″-36.5″ applications
  • 8 x 3.96″ bolt pattern
See More

Yukon Gear – 1350 U/Joint With Zerk Fitting (Part No.42010)

1350 U/Joint With Zerk Fitting

from

$51.99
Yukon 1350 U/Joint with zerk fitting. 3.625″ snap ring span, 1.118″ cap diameter. Outside snap ring.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • 8.50″ ring gear diameter
  • 26 spline pinion
  • 10 ring gear bolts
  • 5.13 ratio
See More

Yukon Gear – 1310 Lifetime U/Joint (Part No.42003)

1310 Lifetime U/Joint

from

$57.99
1310 Yukon Lifetime U/joint. 1.718″ snap ring span, 1.062″ cap diameter. Inside snap ring.

Product Features:
  • Fits standard rotation Dana Spicer 44 TJ Rubicon
  • 8.50″ ring gear diameter
  • 26 spline pinion
  • 10 ring gear bolts
  • 4.88 ratio
See More

Yukon Gear – 1350 To Mechanics 3R Adaptor U/Joint (Part No.42001)

1350 To Mechanics 3R Adaptor U/Joint

from

$111.99
Yukon 1350 to Mechanics 3R adaptor U/joint.

Product Features:
  • Fits 1971-1977 Bronco and 1969-1980 Gm half ton front
  • 4340 Chromoly
  • Left hand inner axle
  • 18 3/8″ from end of splines to center of u-joint bore
See More

Spicer – Universal Joint, Greaseable S55 Series (Part No.5-1200X)

Universal Joint, Greaseable S55 Series

from

$36.99
Demand genuine Spicer. Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.

Product Features:
  • Journal cross is engineered with a solid cold-formed body to ensure better wear and overall strength.
  • Bearing cups are heat treated for strength; precision-ground and case-hardened for durability.
  • Multi-lip seal keeps grease in and contaminants out, and gets maximum retention in a wider range of environments.
  • Thrust washers eliminate metal-to-metal contact, prevent wear and lower the overall operating temperature.
See More

Spicer – Universal Joint (Part No.5-7439X)

Universal Joint

from

$31.99
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

Most Sold 1977 Mercury Comet Differentials

Explore our best-selling Mercury parts for the 1977 Comet among 339 OEM and aftermarket options starting from $1.99.

National – Multi-Purpose Bearing (Part No.A-13)

Multi-Purpose Bearing

from

$13.79
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • 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
See More

National – Multi-Purpose Seal (Part No.8181NA)

Multi-Purpose Seal

from

$12.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

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

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

Differential Crush Sleeve

from

$2.79


Product Features:
  • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
See More

National – Shaft Repair Sleeve (Part No.99199)

Shaft Repair Sleeve

from

$41.99
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:
  • 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
See More

Powertrax – Differential Lock Assembly (Part No.9206902800)

Differential Lock Assembly

from

$551.99
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.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Power Trax ia an Extreme Traction System
See More

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

Differential Pinion Nut

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

Differential Ring And Pinion

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!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
See More

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil with Posi Additive

from

$57.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
See More

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
See More

National – Bearing Race (Part No.M86610)

Bearing Race

from

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

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

Yukon Gear – Copper Washer For Ford 9" & 8" Dropout Housing (Part No.32339)

Copper Washer For Ford 9" & 8" Dropout Housing

from

$5.99
Replacement pinion seal for Dana 25, Dana 27, Dana 30, D36, Dana 44, & Dana 50 .Yukon Mighty seal.

Product Features:
  • Copper washer
  • Fits Ford 8″ and 9″
See More

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

Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket

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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
See More

Yukon Gear – Crush Sleeve (Part No.33093)

Crush Sleeve

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.

Product Features:
  • Crush sleeve for AMC Model 35, Chrysler 7.25″ and 8.25″, Ford 8″ and GM 7.75″
  • 0.495″ tall
See More

National – Shaft Repair Sleeve (Part No.99181)

Shaft Repair Sleeve

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:
  • 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
See More

Yukon Gear – Crush Sleeve (Part No.33085)

Crush Sleeve

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.

Product Features:
  • Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
  • 0.480″ tall
See More

Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

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.

Product Features:
  • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
See More

Yukon Gear – Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt (Part No.33058)

Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt

from

$5.99
Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt. 7/16″ head, .925″ long.

Product Features:
  • Ring gear bolt for Ford 8″ and 9″
  • For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
  • 7/16″ head
  • .925″ long
See More

Yukon Gear – Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt (Part No.33043)

Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt

from

$5.99
Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt, 1.0″ long, Ford.

Product Features:
  • Ring gear bolt for Ford 8″ and 9″
  • For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
  • 1.0″ long
See More

Yukon Gear – Ford 8" & 9" Tracloc Ring Gear Bolt (Part No.33044)

Ford 8" & 9" Tracloc Ring Gear Bolt

from

$4.99
Ford 8″ & 9″ TracLoc ring gear bolt, 1-1/4″ long.

Product Features:
  • Ring gear bolt for Ford 8″ and 9″
  • For use with Trac Loc limited slip
  • 1.25″ long
See More

Motive Gear – Ring Gear Bolt (Part No.D8OZ4216B)

Ring Gear Bolt

from

$1.99


Product Features:
  • BOLT 9″ FORD OPEN R.G. SAME AS M-4216A200
See More

Yukon Gear – Pinion Nut (Part No.33154)

Pinion Nut

from

$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.

Product Features:
  • Pinion nut for Ford 7.5″, 8″ and 9″
  • 3/4″ x 20 thread
  • 1 1/6″ socket
See More

Yukon Gear – 9" Ford Gasket (Part No.23012)

9" Ford Gasket

from

$11.99
9″ Ford gasket.

Product Features:
  • Dropout gasket
  • Fits Ford 9″
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil with Positraction Additive - 4 Quarts

from

$148.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
See More

Yukon Gear – Preload Shim Kit for Chrysler 8.75" & Ford 9" (Part No.55030)

Preload Shim Kit for Chrysler 8.75" & Ford 9"

from

$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.

Product Features:
  • Preload shim kit for Ford 9″ and Chrysler 8.75″ with ’41’ and ’42’ case housing
See More

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 Motive Gear, and more. Drivetrains from these brands that fit a 1977 Comet start at just $2.79 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 $25.99, with an average price of just $31.99. 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.
Non-Greaseable Super Strength Universal Joint
from $33.99
(28)
Non-Greaseable Super Strength Universal Joint
“installed as needed”
Greaseable Premium Universal Joint
from $35.99
(82)
Greaseable Premium Universal Joint
“Fit well, good quality part.”
Universal Joint U-Bolt Kit
from $25.99
(2)
Universal Joint U-Bolt Kit
“quality 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 $12.99 to $41.99, plus, with more than 20 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.
Multi-Purpose Seal
from $12.99
(2)
Multi-Purpose Seal
“Worked great on this 1966 Mustang w/ 8″ rear end.”
Shaft Repair Sleeve
from $41.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”
Multi-Purpose Bearing
from $13.79
(17)
Multi-Purpose Bearing
“Good quality product”

FAQs for 1977 Mercury Comet Drivetrains

Which Drivetrains are best-sellers for 1977 Mercury Comets?

Out of 372 Drivetrains that fit 1977 Mercury Comets, the following parts are the top sellers:

What’s the price range for 1977 Mercury Comet Drivetrains?

Drivetrain prices for the 1977 Mercury Comet start at $1.99 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 $252.30. 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?

Yes, we currently carry Drivetrains for 15 model years of Mercury Comets between 1960 and 1976. Drivetrains are bought most frequently for the following model years: 1976, 1975, 1974, 1973, 1972, 1971, 1969, 1968, and 1967.

What are the cheapest Drivetrains for my 1977 Mercury Comet?

The cheapest 1977 Mercury Comet Drivetrains we carry in stock are:

What are the top-rated Drivetrains that fit the 1977 Mercury Comet?

Out of 684 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:

What types of Drivetrains do you sell for my 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.