1966 GMC G1000 Series Differentials

Essential 1966 GMC G1000 Series Differentials

Driveworks – Oil Seal (Part No.S-8460N)

Oil Seal

from

$6.29
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Motive Gear – Differential Ring and Pinion (Part No.GM12-373X)

Differential Ring and Pinion

from

$226.99


Product Features:
  • GM 12BL 8.875 R/P 3.73 THICK MG
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National – Bearings (Part No.HM89449)

Bearings

from

$25.49
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.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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Felpro – DIFFERENTIAL GASKET (Part No.RDS 13391)

DIFFERENTIAL GASKET

from

$7.99
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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Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

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$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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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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National – Bearings (Part No.LM603014)

Bearings

from

$19.99
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.LM603049)

Bearings

from

$12.99
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

Dorman – Differential Pinion Yoke Assembly (Part No.697-537)

Differential Pinion Yoke Assembly

from

$289.99
Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke.
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts.
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
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Dorman – Differential Pinion Yoke Assembly (Part No.697-553)

Differential Pinion Yoke Assembly

from

$221.99
Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke.
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts.
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
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Richmond Gear – RngPnnInstlKt (Part No.83-1018-B)

RngPnnInstlKt

from

$39.49
RngPnnInstlKt

Motive Gear – Differential Gear Install Kit (Part No.GM12IK)

Differential Gear Install Kit

from

$69.99


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 TRUCK
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National – Shaft Repair Sleeve (Part No.99170)

Shaft Repair Sleeve

from

$38.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Felpro – Differential Carrier Gasket (Part No.RDS 4305)

Differential Carrier Gasket

from

$8.29
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 – Bearing Race Driver Set, 21 Piece (Part No.56030)

Bearing Race Driver Set, 21 Piece

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$1566.99
21 Piece bearing race driver set. (Box wt: 140lbs) No return.

Product Features:
  • Bearing race driver set
  • 21 pieces
  • All steel construction
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Motive Gear – Differential Crush Sleeve (Part No.3954482)

Differential Crush Sleeve

from

$5.49


Product Features:
  • CRUSH SLV 8 7/8 12BLT TRK
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Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R12RSK)

Differential Super Bearing Kit - Koyo

from

$137.99


Product Features:
  • SUPER KIT – GM 12 BOLT(TRUCK)
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Motive Gear – Differential Master Bearing Kit – Timken (Part No.R12RMKT)

Differential Master Bearing Kit - Timken

from

$120.99
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 GM 12 BOLT TRK
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Richmond Gear – RngPnnInstlKt (Part No.83-1018-1)

RngPnnInstlKt

from

$182.99
RngPnnInstlKt

Motive Gear – Differential Bearing Kit – Timken (Part No.R12RT)

Differential Bearing Kit - Timken

from

$106.99
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 GM 12 BLT TRK 8 7/8″
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Motive Gear – Differential Bearing Kit – Koyo (Part No.R12R)

Differential Bearing Kit - Koyo

from

$102.99
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 12 BLT 8 7/8
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Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Differential Pinion Shim Kit

from

$12.99


Product Features:
  • KIT SHIM
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1966 GMC G1000 Series Differentials

Maybe you’re in the middle of a full rebuild of that 1966 GMC G1000 Series. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 42 different Differentials in our inventory ranging from $4.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1966 GMC G1000 Series running smoothly.

Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1966 GMC G1000 Series. Valvoline, FELPRO, 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 1966 GMC G1000 Series, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 62 reviews in this category, some of the top rated parts include Differential Carrier Shim Kit with 2.7 stars and Bearings with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1966 GMC G1000 Series 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 GMC G1000 Series Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 GMC G1000 Series 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 G1000 Series the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Driveworks Differentials

We carry Driveworks parts in our stock across Differential Pinion Seals categories, plus more. For a 1966 GMC G1000 Series, our most popular Driveworks Differentials include:
Oil Seal
from $6.29
(1)
Oil Seal
Differential Pinion Seals

Top 1966 GMC G1000 Series Differentials from Richmond Gear

Richmond Gear products are another trusted brand when it comes to Differentials for your 1966 GMC G1000 Series. Popular Richmond Gear parts include:
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
Differential Ring and Pinions
Differential Ring And Pinion
from $350.99
(2)
Differential Ring And Pinion
Differential Ring and Pinions

FAQs for 1966 GMC G1000 Series Differentials

What are the most purchased Differentials for the 1966 GMC G1000 Series?

Out of 42 Differentials for the 1966 GMC G1000 Series, the most popular in our inventory are:
DIFFERENTIAL GASKET
from $7.99
(3)
DIFFERENTIAL GASKET
Rear Housing Cover Gaskets
Multi Purpose Seal
from $13.99
(2)
Multi Purpose Seal
Differential Pinion Seals

What are the top-rated 1966 GMC G1000 Series Differentials?

Top-rated Differentials for your 1966 GMC G1000 Series based on customer reviews/ratings are:
Differential Carrier Shim Kit
from $8.49
(3)
Differential Carrier Shim Kit
“worked great”
Bearings
from $25.49
(1)
Bearings
“This Is The One That Fit My 1971 CHEVY TRUCK 12 BOLT PINION REAR BACK BEARING”