1966 Mercury Comet Drivetrains

Essential 1966 Mercury Comet Drivetrains

Yukon Gear – Short Yoke For Ford 9" HD With 28 Spline Axles And A 1330 U/Joint Size (Part No.41053)

Short Yoke For Ford 9" HD With 28 Spline Axles And A 1330 U/Joint Size

from

$121.99
Yukon short yoke for Ford 9″ HD with 28 spline axles and a 1330 U/joint size. 4″ length. 3.625″ snap ring span, 1.125″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″
  • 28 spline
  • 1330 u-joint size
  • 3.625″ snap ring span
  • 1.125″ cap diameter
  • Outside snap ring design
  • U-bolt style
See More

Yukon Gear – 8" & 9" Ford 5-Tab Clutches (Part No.16028)

8" & 9" Ford 5-Tab Clutches

from

$374.99
8″ & 9″ Ford 5-Tab clutches (early Equalock).

Product Features:
  • Clutch kit
  • Fit Ford 9″ Equa Loc positraction
  • 5 outer tabs
See More

National – Bearings (Part No.LM67048)

Bearings

from

$9.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

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

Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out

from

$3.99
Adjuster lock bolt 3.062″ & 3.250″ Yukon Ford 9″ Drop Out.

Product Features:
  • Side adjuster lock bolt
See More

Yukon Gear – Trac Loc Spring For Ford 9" & 8" (Part No.33518)

Trac Loc Spring For Ford 9" & 8"

from

$8.99
Product Features:
  • Trac Loc spring for Ford 8″ and 9″
See More

Yukon Gear – 9" 31Spline (69-73Mustang & Others) Axle Seal (Part No.30211)

9" 31Spline (69-73Mustang & Others) Axle Seal

from

$16.99
9″ 31spline (69-73Mustang & OTHERS) axle seal (1.5″ shaft).Yukon Mighty seal.

Product Features:
  • Rear axle seal
  • Fits 1969-1973 Ford Mustang with Ford 9″
See More

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

Differential Mini Spool

from

$31.99


Product Features:
  • MINI SPOOL 8″ & 9″ 31 SPLN STL 090431
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

$4.99
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

Yukon Gear – 8" & 9" Ford 4-Tab Clutch Kit With 9 Pieces (Part No.16029)

8" & 9" Ford 4-Tab Clutch Kit With 9 Pieces

from

$187.99
8″ & 9″ Ford 4-Tab clutch kit with 9 pieces (late TracLoc).

Product Features:
  • Clutch kit
  • Fits Ford 8″ and 9″ Trac Loc positraction
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
Product Features:
  • Copper washer
  • Fits Ford 8″ and 9″
See More

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4105)

Differential Pinion Solid Spacer Kit w/Shims

from

$22.79


Product Features:
  • FORD 9″ SOLID SPACER KIT
See More

National – Multi Purpose Seal (Part No.482208)

Multi Purpose Seal

from

$7.79
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Powertrax – Grip LS Traction System (Part No.LS108028)

Grip LS Traction System

from

$451.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

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

Universal Joint

from

$35.99
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’re getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
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 – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement

from

$5.99
Product Features:
  • Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
  • 0.030″ thick
See More

Felpro – Differential Carrier Gasket (Part No.RDS 13270)

Differential Carrier Gasket

from

$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Yukon Gear – Pinion Support Bolt For 8" And 9" Ford (Part No.33242)

Pinion Support Bolt For 8" And 9" Ford

from

$6.99
Pinion support bolt for 8″ and 9″ Ford.

Product Features:
  • Pinion support bolt for Ford 8″ and 9″
  • 3/8″ x 24 thread
  • 1.0″ long
See More

Yukon Gear – 8" Ford O-Ring (Part No.30027)

8" Ford O-Ring

from

$9.99
8″ Ford O-ring.

Product Features:
  • Pinion support o-ring
  • Fits Ford 8″
See More

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

Grip LOK Traction System

from

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

Yukon Gear – Crush Sleeve (Part No.33093)

Crush Sleeve

from

$10.99
Crush Sleeve for Model 35, Chrysler 7.25″, 8.25″ Ford 8″ & GM 7.75″. Approx 0.495″ long.

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

Neapco – Universal Joint (Part No.1-0025)

Universal Joint

from

$2.59
Universal Joint Strap Kit
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

National – Bearings (Part No.LM102910)

Bearings

from

$6.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Yukon Gear – Minor Install Kit For Ford 8" Differential (Part No.12034)

Minor Install Kit For Ford 8" Differential

from

$74.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:
  • Fits Ford 8″
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
See More

National – Bearings (Part No.207-L)

Bearings

from

$32.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Richmond Gear – Differential Spool (Part No.81-0935-3)

Differential Spool

from

$259.99
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 – Mini Spool For Ford 9" With 31 Spline Axles (Part No.32057)

Mini Spool For Ford 9" With 31 Spline Axles

from

$51.99
Mini Spool for Ford 9.0 with 31 spline axles. Cross is bored for three cross pins. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″ with 31 spline axles
  • Installs into a standard open carrier case
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

Popular 1966 Mercury Comet Drivetrains Categories

1966 Mercury Comet Drivetrains

You count on your 1966 Mercury Comet to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Drivetrains. With 451 Drivetrains ranging in price from $1.99 to $1,211.99, you’re sure to find everything you need for your 1966 Mercury Comet.

Brands matter. If you want to shop a specific Drivetrains brand, we stock 16 different brands like Moog, Driveworks, and National. 1966 Mercury Comet Drivetrains start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Drivetrains is by asking professionals. Short of that, you can shop with confidence thanks to our 1,462 extensive product reviews on 1966 Mercury Comet Drivetrains. Some of the top-rated Drivetrains products we carry are Greaseable Super Strength Universal Joint with 3.9 stars and Non-Greaseable Super Strength Universal Joint with 4.3 stars.

Did we mention you can order your Drivetrains from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Drivetrains inventory for your 1966 Mercury Comet below to get started!

Top-Rated Drivetrains Brands For Your 1966 Mercury Comet

Trusted Drivetrains OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1966 Mercury Comet running right for years to come. In our inventory you’ll find brands like Moog, Driveworks, National, and even more.

Popular Felpro Drivetrains

You’ll find popular Felpro brand products across Differentials. All are waiting to get your 1966 Mercury Comet back on the road. Some of the top-rated Felpro products in these categories are:
Differential Carrier Gasket
from $8.49
(9)
Differential Carrier Gasket
Automatic Transmission Differential Carrier Gaskets

FAQs for 1966 Mercury Comet Drivetrains

What are the most purchased Drivetrains for the 1966 Mercury Comet?

Out of 451 Drivetrains for the 1966 Mercury Comet, the most popular in our inventory are:
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
Universal Joint
from $15.99
(33)
Universal Joint
U-Joints
Universal Joint
from $15.99
(65)
Universal Joint
U-Joints

What are the top-rated 1966 Mercury Comet Drivetrains?

Top-rated Drivetrains for your 1966 Mercury Comet based on customer reviews/ratings are:
Greaseable Super Strength Universal Joint
from $36.99
(35)
Greaseable Super Strength Universal Joint
“Good ujoint”
Non-Greaseable Super Strength Universal Joint
from $32.99
(30)
Non-Greaseable Super Strength Universal Joint
“Working great.”
Non-Greaseable Super Strength Universal Joint
from $32.99
(28)
Non-Greaseable Super Strength Universal Joint
“installed as needed”