1979 AMC AMX Differentials

Essential 1979 AMC AMX Differentials

Yukon Gear – Positraction Internals For Model 35 With 27 Spline Axles (Part No.16130)

Positraction Internals For Model 35 With 27 Spline Axles

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$462.99
Yukon positraction internals for Model 35 with 27 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit includes clutches. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits AMC Model 35 Trac Loc positraction
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt, clutches, and spider gear thrust washers.
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Powertrax – Grip LOK Traction System (Part No.LK443527)

Grip LOK Traction System

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$681.99
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!
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Motive Gear – Differential Crush Sleeve (Part No.3507575)

Differential Crush Sleeve

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$2.49


Product Features:
  • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
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Motive Gear – Differential Gear Install Kit (Part No.D35IKJ)

Differential Gear Install Kit

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$81.99


Product Features:
  • DANA-35 MINI INSTALL KIT JEEP
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Driveworks – Oil Seal (Part No.S-470331N)

Oil Seal

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$9.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Yukon Gear – Bearing Race Driver (Part No.56015)

Bearing Race Driver

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$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM88610 race
  • All steel construction
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Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

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$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)

Differential Pinion Solid Spacer Kit w/Shims

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$10.49


Product Features:
  • SOLID SPACER FORD 8.8″ & 9″
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National – Bearings (Part No.HM88610)

Bearings

from

$15.49
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.HM88648)

Bearings

from

$27.49
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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Yukon Gear – Model 35 Cover Gasket (Part No.23026)

Model 35 Cover Gasket

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$11.99
Model 35 cover gasket.

Product Features:
  • Cover gasket
  • Fits AMC Model 35
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 13089)

DIFFERENTIAL GASKET

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$6.79
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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Felpro – Differential Cover Gasket (Part No.RDS 13889)

Differential Cover Gasket

from

$11.49
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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Yukon Gear – Ppinion Nut 7/8-20 Thread, 1 1/8 Socket (Part No.33146)

Ppinion Nut 7/8-20 Thread, 1 1/8 Socket

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$10.99
Replacement pinion nut for Model 20 & 35, Dana 30 JK, 44 JK front, Ford 10.25″, 10.5″ & some 9.75″. 7/8-20 thread, 1 1/8 socket.

Product Features:
  • Pinion nut for Jeep JK front, Jeep Liberty front, Ford 9.75″, 10.25″, 10.5″ and AMC Model 20 and Model 35
  • 7/8″ x 20 thread
  • 1 1/8″ socket
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Motive Gear – Differential Pinion Nut (Part No.379570S)

Differential Pinion Nut

from

$6.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)

Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25"

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$27.99
8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.

Product Features:
  • Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″
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Motive Gear – Differential Pinion Shim Kit (Part No.1127)

Differential Pinion Shim Kit

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$21.29


Product Features:
  • PINION SHIMS – AMC MODEL 20
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USA Standard Gear – Ring & Pinion Gear Set For Model 35 In A 3.73 Ratio (Part No.36235)

Ring & Pinion Gear Set For Model 35 In A 3.73 Ratio

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$289.99
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 standard rotation AMC Model 35
  • 7.562″ ring gear diameter
  • 26 spline pinion
  • 8 ring gear bolts
  • 3.73 ratio
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Yukon Gear – High Performance Ring & Pinion Gear Set For Model 20 In A 3.31 Ratio (Part No.24521)

High Performance Ring & Pinion Gear Set For Model 20 In A 3.31 Ratio

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$469.99
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.

Product Features:
  • Fits AMC Model 20
  • 8.875″ ring gear diameter
  • 28 spline pinion
  • 8 ring gear bolts
  • 3.31 ratio
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Yukon Gear – Replacement Ring Gear Bolt For Model 35, Dana 25, 27, 30 & 44 – 3/8" X 24 (Part No.33038)

Replacement Ring Gear Bolt For Model 35, Dana 25, 27, 30 & 44 - 3/8" X 24

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$11.99
Replacement ring gear bolt for Model 35, Dana 25, 27, 30 & 44. 3/8″ x 24.

Product Features:
  • Ring gear bolt for Dana Spicer 25, 27, 30, 44 and AMC Model 35
  • 3/8″ x 24 thread
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Yukon Gear – Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 – 7/16" X 20 (Part No.33040)

Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 - 7/16" X 20

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$3.99
Replacement ring gear bolt for Model 20, Grand Cherokee 35, “Super” Dana 30 & Dana 50. 7/16″ x 20.

Product Features:
  • Ring gear bolt for AMC Model 20, “Super” 35, Dana Spicer “Super” 30 and Dana Spicer 50
  • 7/16″ 20 thread
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FAG US – TAPERED ROLLER BEARI (Part No.KT5)

TAPERED ROLLER BEARI

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$16.49
TAPERED ROLLER BEARI

FAG US – TAPERED ROLLER BEARI (Part No.KT17)

TAPERED ROLLER BEARI

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$15.29
TAPERED ROLLER BEARI

National – Bearings (Part No.M86610)

Bearings

from

$9.49
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
See More

Motive Gear – Differential Bearing Kit – Koyo (Part No.R20R)

Differential Bearing Kit - Koyo

from

$103.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • KIT BRG&SL AMC MDL 20DIFF
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Yukon Gear – Master Overhaul Kit For Model 20 Differential (Part No.14108)

Master Overhaul Kit For Model 20 Differential

from

$334.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & 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. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:
  • Fits AMC Model 20
  • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve , thread locker, marking compound with brush, and gasket.
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Yukon Gear – Master Overhaul Kit For Model 35 Differential – With 30 Spline Upgraded Axles (Part No.14110)

Master Overhaul Kit For Model 35 Differential - With 30 Spline Upgraded Axles

from

$385.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & 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. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:
  • Fits AMC Model 35 with aftermarket 30 spline axles
  • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve , thread locker, marking compound with brush, and gasket.
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Yukon Gear – Bearing Install Kit For Model 35 Differential (Part No.11082)

Bearing Install Kit For Model 35 Differential

from

$239.99
Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.

Product Features:
  • Fits AMC Model 35 rear
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.
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1979 AMC AMX Differentials

Maybe you’re in the middle of a full rebuild of that 1979 AMC AMX. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 39 different Differentials in our inventory ranging from $1.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1979 AMC AMX running smoothly.

Differentials are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1979 AMC AMX. National, Yukon Gear, 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 1979 AMC AMX, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 60 reviews in this category, some of the top rated parts include Differential Pinion Nut with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1979 AMC AMX 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 1979 AMC AMX Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1979 AMC AMX 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 AMX 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 Rear Differential Cover Gaskets categories, plus more. For a 1979 AMC AMX, our most popular Felpro Differentials include:
DIFFERENTIAL GASKET
from $6.79
(12)
DIFFERENTIAL GASKET
Rear Differential Cover Gaskets

FAQs for 1979 AMC AMX Differentials

What are the most purchased Differentials for the 1979 AMC AMX?

Out of 39 Differentials for the 1979 AMC AMX, the most popular in our inventory are:
3 Qt - 80W90 Conventional Gear Oil With Posi Additive
from $57.99
This product is not rated
3 Qt – 80W90 Conventional Gear Oil With Posi Additive
Differential Oil
Bearings
from $23.99
(7)
Bearings
Front Differential Pinion Bearings
Bearings
from $9.49
This product is not rated
Bearings
Rear Differential Pinion Bearings

What are the top-rated 1979 AMC AMX Differentials?

Top-rated Differentials for your 1979 AMC AMX based on customer reviews/ratings are:
Differential Pinion Nut
from $6.49
(1)
Differential Pinion Nut
“If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”