1978 AMC AMX Differentials

Essential 1978 AMC AMX Differentials

National – Bearings (Part No.M88010)

Bearings

from

$10.49
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 – Zip Locker Bulkhead Quick-Disconnect Fitting (Part No.34038)

Zip Locker Bulkhead Quick-Disconnect Fitting

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$18.99
Product Features:
  • Bulkhead quit connect fitting
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Felpro – Differential Cover Gasket (Part No.RDS 13889)

Differential Cover Gasket

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$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 – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

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$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Pinion Seal For Model 20 And Model 35 (Part No.30079)

Pinion Seal For Model 20 And Model 35

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$9.99
Pinion seal for Model 20 and Model 35.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits AMC Model 20 and AMC Model 35
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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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Motive Gear – Differential Gear Install Kit (Part No.AM20IK)

Differential Gear Install Kit

from

$52.79
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 – 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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Yukon Gear – Standard Open Spider Gear Kit For Model 35 With 27 Spline Axles – Hubs Have 1.625" Diameter (Part No.16129)

Standard Open Spider Gear Kit For Model 35 With 27 Spline Axles - Hubs Have 1.625" Diameter

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$275.99
Yukon standard open spider gear kit for Model 35 with 27 spline axles. hubs have 1.625″ diameter (used in ’93 and older models). Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits AMC Model 35 open differential with 1.620″ side gear bore
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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USA Standard Gear – Standard Spider Gear Set For Amc Model 35 With 1.560" Side Gear Bore (Part No.39030)

Standard Spider Gear Set For Amc Model 35 With 1.560" Side Gear Bore

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$172.99
USA Standard Gear standard spider gear set for AMC Model 35 with 1.560″ side gear bore. (used in ’94 and newer models).

Product Features:
  • Fits AMC Model 35 with open differential and 1.560″ side gear bore
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 13089)

DIFFERENTIAL GASKET

from

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

Differential Pinion Solid Spacer Kit w/Shims

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$22.79


Product Features:
  • FORD 9″ SOLID SPACER KIT
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Yukon Gear – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt

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$13.99
Model 35 (standard Open & TracLoc) 8.25″ Chrysler TracLoc cross pin bolt.

Product Features:
  • Cross pin bolt for AMC Model 35 with c-clip axles
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Driveworks – Taper Bearing Set (Part No.S-A-6)

Taper Bearing Set

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$10.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

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$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Powertrax – Grip PRO Traction System (Part No.GT443527)

Grip PRO Traction System

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$526.69
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 Master Bearing Kit – Timken (Part No.R20RMKT)

Differential Master Bearing Kit - Timken

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$119.99
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 & SEAL MSTR AMC MODEL 20
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Motive Gear – Differential Bearing Kit – Koyo (Part No.R35JR)

Differential Bearing Kit - Koyo

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$108.99
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:
  • DANA 35 JEEP 1980-06 MASTER BRG KIT ’97 UP DANA 35 DODGE DAKOTA FRONT
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Motive Gear – Differential Pinion Shim Kit (Part No.1112)

Differential Pinion Shim Kit

from

$16.99


Product Features:
  • PINION SHIM-DANA 30,35.50
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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 5.13 Ratio (Part No.36301)

Ring & Pinion Gear Set For Model 35 In A 5.13 Ratio

from

$255.99
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
  • 5.13 ratio
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Motive Gear – Differential Ring and Pinion (Part No.AM20-331)

Differential Ring and Pinion

from

$251.99


Product Features:
  • AMC MODEL 20 R&P-3.31 RATIO
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Pro-King – Differential Bearing Cup (Part No.742G256)

Differential Bearing Cup

from

$8.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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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
See More

Pro-King – Differential Bearing Cone (Part No.742G255)

Differential Bearing Cone

from

$19.79
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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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
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Pro-King – Crush Sleeve (Part No.721A034)

Crush Sleeve

from

$2.89
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More

Yukon Gear – Crush Sleeve (Part No.33085)

Crush Sleeve

from

$9.99
Crush Sleeve for Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9 3/8″, 9″ & 9.75″. .480″ long.

Product Features:
  • Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
  • 0.480″ tall
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1978 AMC AMX Differentials

Maybe you’re in the middle of a full rebuild of that 1978 AMC AMX. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 43 different Differentials in our inventory ranging from $1.99 to $681.99. That means you can find the exact parts or products you need to keep that 1978 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 1978 AMC AMX. Valvoline, Driveworks, and National 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 1978 AMC AMX, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,620 reviews in this category, some of the top rated parts include DIFFERENTIAL GASKET with 4.7 stars and Bearings with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 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 1978 AMC AMX Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 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.

FAQs for 1978 AMC AMX Differentials

What are the most purchased Differentials for the 1978 AMC AMX?

Out of 43 Differentials for the 1978 AMC AMX, the most popular in our inventory are:
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
Bearings
from $16.99
(25)
Bearings
Differential Bearings
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil

What are the top-rated 1978 AMC AMX Differentials?

Top-rated Differentials for your 1978 AMC AMX based on customer reviews/ratings are:
DIFFERENTIAL GASKET
from $6.79
(12)
DIFFERENTIAL GASKET
“Quality seal. Very pliable and fit perfectly.”
Bearings
from $15.99
(9)
Bearings
“as advertised”
Bearings
from $10.49
(4)
Bearings
“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”