1966 Mercury S-55 Differentials

Essential 1966 Mercury S-55 Differentials

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

Pinion Crush Sleeves

from

$5.99
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
  • Required replacement – when servicing the differential
  • 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
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National – Bearings (Part No.HM89410)

Bearings

from

$11.49
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
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National – Bearings (Part No.HM89443)

Bearings

from

$38.49
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
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Felpro – Differential Carrier Gasket (Part No.RDS 55074)

Differential Carrier Gasket

from

$8.49
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
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National – Bearings (Part No.A-6)

Bearings

from

$16.99
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

National – Bearings (Part No.R-1535-TAV)

Bearings

from

$41.99
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
  • High radial load capacity makes them suitable for high speed applications
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Multi Purpose Seal (Part No.7044NA)

Multi Purpose Seal

from

$15.79
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
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National – Multi Purpose Seal (Part No.51098)

Multi Purpose Seal

from

$7.29
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

1966 Mercury S-55 Differentials

Maybe you’re in the middle of a full rebuild of that 1966 Mercury S-55. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 8 different Differentials in our inventory ranging from $5.99 to $41.99. That means you can find the exact parts or products you need to keep that 1966 Mercury S-55 running smoothly.

Differentials are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 1966 Mercury S-55. National, Dorman, and Felpro are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1966 Mercury S-55, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Differentials to keep your 1966 Mercury S-55 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1966 Mercury S-55 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Mercury S-55 demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your S-55 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Felpro Differentials

We carry Felpro parts in our stock across Automatic Transmission Differential Carrier Gaskets categories, plus more. For a 1966 Mercury S-55, our most popular Felpro Differentials include:
Differential Carrier Gasket
from $8.49
(9)
Differential Carrier Gasket
Automatic Transmission Differential Carrier Gaskets

Top 1966 Mercury S-55 Differentials from National

National products are another trusted brand when it comes to Differentials for your 1966 Mercury S-55. Popular National parts include:
Bearings
from $16.99
(25)
Bearings
Differential Bearings
Multi Purpose Seal
from $15.79
(3)
Multi Purpose Seal
Differential Pinion Seals
Bearings
from $38.49
(2)
Bearings
Front Differential Pinion Bearings

FAQs for 1966 Mercury S-55 Differentials

What are the most purchased Differentials for the 1966 Mercury S-55?

Out of 8 Differentials for the 1966 Mercury S-55, the most popular in our inventory are:
Pinion Crush Sleeves
from $5.99
This product is not rated
Pinion Crush Sleeves
Differential Crush Sleeves
Multi Purpose Seal
from $7.29
This product is not rated
Multi Purpose Seal
Differential Pinion Seals
Bearings
from $11.49
This product is not rated
Bearings
Front Differential Pinion Bearings