1966 Chevrolet Chevy II Differentials

Essential 1966 Chevrolet Chevy II Differentials

Yukon Gear – Cross Pin Shaft For GM 8.2" Posi Case – Will Fit Dura Grip Or Eaton Posi (Part No.33204)

Cross Pin Shaft For GM 8.2" Posi Case - Will Fit Dura Grip Or Eaton Posi

from

$30.99
Cross pin shaft for GM 8.2″ posi case. Will fit Yukon Dura Grip or Eaton posi. .749″ diameter.

Product Features:
  • Cross pin shaft
  • Fits GM 8.2″
  • Dura Grip positraction
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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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Motive Gear – Differential Gear Install Kit (Part No.GM8.2IK)

Differential Gear Install Kit

from

$65.99


Product Features:
  • MINI INSTALL KIT GM 10BLT 8.2
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ARP Auto Racing – For Use With General Motors, 0.800" Head L, 3/8" – 24 Thread Size, Chrome Moly (Part No.230-3001)

For Use With General Motors, 0.800"  Head L, 3/8" - 24 Thread Size, Chrome Moly

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$40.49
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with todays 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
  • 3/8″-24 RH Thread Size
  • 0.8″ Underhead Length
  • 200,000 PSI
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Yukon Gear – 12T, 12P, & CI Vette Pinion Seal (Part No.30187)

12T, 12P, & CI Vette Pinion Seal

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$13.99
12T, 12P, & CI Vette pinion seal.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits GM 12 bolt passenger car and truck and 1963-1979 Corvette
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Yukon Gear – 14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16041)

14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$404.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 14 piece kit
  • Carbon fiber clutches
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Yukon Gear – Bearing Race Driver (Part No.56022)

Bearing Race Driver

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$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
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Yukon Gear – 8.6" GM 12P 12T & F8.8 Carrier Installation Kit (Part No.57010)

8.6" GM 12P 12T & F8.8 Carrier Installation Kit

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$121.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.6″, 12 bolt car and 12 bolt truck differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits GM 12 bolt passenger car and truck and 8.6″
  • Includes carrier bearings and races and “super” carrier shim kit
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Yukon Gear – Standard Open Pinion Gear Thrust Washer For GM 12P And 12T (Part No.33381)

Standard Open Pinion Gear Thrust Washer For GM 12P And 12T

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$11.99
Standard Open pinion gear thrust washer for GM 12P and 12T.

Product Features:
  • Pinion gear thust washer for GM 12 bolt passenger car and truck
  • Fits standard open differentials only
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Felpro – Differential Cover Gasket (Part No.RDS 55029)

Differential Cover Gasket

from

$7.49
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 – Side Gear Thrust Washer For GM 8.2" & 55P (Part No.33529)

Side Gear Thrust Washer For GM 8.2" & 55P

from

$10.99
Product Features:
  • Side gear thrust washer for GM 8.2″ and 1955-1964 GM passenger car
  • Fits standard open differentials only
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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

from

$8.49
High-quality Differential Carrier Shim Kit

Product Features:
  • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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Yukon Gear – Chevy ’55-’64 Car And Truck Dropout Gasket (Part No.23017)

Chevy '55-'64 Car And Truck Dropout Gasket

from

$13.99
55P Chevy Passenger Drop Out gasket.

Product Features:
  • Cover gasket
  • Fits 1955-1964 GM passenger car
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National – Bearings (Part No.M88048)

Bearings

from

$15.99
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 – Positraction Clutch Guide (Part No.33352)

Positraction Clutch Guide

from

$8.99
Positraction clutch guide.

Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
  • Compatible with Dura Grip positractions only
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Yukon Gear – Dura Grip Positraction For GM 12 Bolt Car With 30 Spline Axles, 4.10 & Up (Part No.26013)

Dura Grip Positraction For GM 12 Bolt Car With 30 Spline Axles, 4.10 & Up

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$839.99
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 Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits GM 12 bolt passenger car with 30 spline axles
  • 4.10 and up ratio only
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
  • 30 spline
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Yukon Gear – Dura Grip Case, GM 12 Bolt Car, 3 Series (Part No.20104)

Dura Grip Case, GM 12 Bolt Car, 3 Series

from

$386.99
GM 12P DURA GRIP case, bare, 3.08-3.90, 30spline & 33spline.

Product Features:
  • Dura Grip positraction carrier case
  • Does not include spider gears
  • Fits GM 12 bolt passenger car
  • 3.08 – 3.90 ratios only
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Richmond Gear – Differential Cross Shaft (Part No.CSPGM12)

Differential Cross Shaft

from

$27.49
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.
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Yukon Gear – 18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16110)

18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$483.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 18 piece kit
  • Steel clutches
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

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$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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Yukon Gear – High Performance Ring & Pinion Gear Set For GM Chevy 55P In A 3.08 Ratio (Part No.24141)

High Performance Ring & Pinion Gear Set For GM Chevy 55P In A 3.08 Ratio

from

$449.99
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 1955-1964 GM passenger car
  • 8.40″ ring gear diameter
  • 17 spline pinion
  • 10 ring gear bolts
  • 3.08 ratio
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Yukon Gear – 12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver (Part No.30225)

12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver

from

$109.99
12P, 12T, CI VET, & 55GM 8460N REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:
  • Pinion Redi-sleeve
  • Fits GM 12 bolt passenger car, 12 bolt truck and 1963-1979 Corvette
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Yukon Gear – Steel Cover For GM 8.2" & 8.5" Rear (Part No.32332)

Steel Cover For GM 8.2" & 8.5" Rear

from

$123.99
Product Features:
  • Fits GM 8.2″, 8.5″ and 8.6″
  • Steel
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Yukon Gear – Pinion Nut (Part No.33150)

Pinion Nut

from

$11.99
Pinion nut for GM 12 bolt car & truck, 55-62 car & truck, 8.2″, 8.2″ Buick/Olds/Pontiac & 63-79 Corvette. 1 1/8″ socket, 7/8″ x 16 thread.

Product Features:
  • Pinion nut for GM 12 bolt car and truck, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
  • 7/8″ x 16 thread
  • 1 1/8″ socket
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Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

from

$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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USA Standard Gear – Bearing Kit For GM 12 Bolt Passenger Car (Part No.58044)

Bearing Kit For GM 12 Bolt Passenger Car

from

$179.99
This kit uses Koyo 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. USA Standard Gear 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 GM 12 bolt passenger car
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Motive Gear – Differential Master Bearing Kit – Timken (Part No.R12CRMKT)

Differential Master Bearing Kit - Timken

from

$138.99
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:
  • MASTER KIT GM 12 BOLT CAR
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Richmond Gear – RngPnnInstlKt (Part No.83-1022-1)

RngPnnInstlKt

from

$199.99
RngPnnInstlKt

1966 Chevrolet Chevy II Differentials

Maybe you’re in the middle of a full rebuild of that 1966 Chevrolet Chevy II. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 198 different Differentials in our inventory ranging from $0.91 to $994.99. That means you can find the exact parts or products you need to keep that 1966 Chevrolet Chevy II running smoothly.

Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1966 Chevrolet Chevy II. Valvoline, Felpro, and Driveworks 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 Chevrolet Chevy II, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 10,318 reviews in this category, some of the top rated parts include Bearings with 5.0 stars and Differential Cover Gasket with 4.4 stars.

So if you’re in the market for aftermarket Differentials to keep your 1966 Chevrolet Chevy II 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 Chevrolet Chevy II Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Chevrolet Chevy II 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 Chevy II the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Mr. Gasket Differentials

We carry Mr. Gasket parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1966 Chevrolet Chevy II, our most popular Mr. Gasket Differentials include:
Differential Gasket
from $18.09
(1)
Differential Gasket
Rear Differential Cover Gaskets

FAQs for 1966 Chevrolet Chevy II Differentials

What are the most purchased Differentials for the 1966 Chevrolet Chevy II?

Out of 198 Differentials for the 1966 Chevrolet Chevy II, the most popular in our inventory are:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Housing Cover Gaskets
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
Bearings
from $16.99
(25)
Bearings
Differential Bearings

What are the top-rated 1966 Chevrolet Chevy II Differentials?

Top-rated Differentials for your 1966 Chevrolet Chevy II based on customer reviews/ratings are:
Bearings
from $15.99
(9)
Bearings
“as advertised”
Differential Cover Gasket
from $7.49
(7)
Differential Cover Gasket
“good”
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.”