1966 GMC K15/K1500 Pickup Differentials

Essential 1966 GMC K15/K1500 Pickup Differentials

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 – Powr Lok Belleville Clutch Plate, Splined (Part No.16174)

Powr Lok Belleville Clutch Plate, Splined

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$36.99
Product Features:
  • Belleville plate, splined
  • Fits Dana Spicer 44 Powr Lok
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Yukon Gear – Dura Grip For Dana 44, 30 Spline, 3.73 & Down (Part No.26026)

Dura Grip For Dana 44, 30 Spline, 3.73 & Down

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$869.99
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 Dana Spicer 44 with 30 spline axles
  • 3.73 ratio and down 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
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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

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$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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Yukon Gear – Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM (Part No.30219)

Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM

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$83.99
Replacement front axle inner seal redi-sleeve for Dana 44 & 8.5″ GM.Yukon Mighty seal.

Product Features:
  • Axle Redi-sleeve
  • Fits Dana Spicer 44
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Dorman – Differential Pinion Yoke Assembly (Part No.697-529)

Differential Pinion Yoke Assembly

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$203.99
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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Yukon Gear – Positraction Cross Pin Bolt For GM 12 Bolt Car And Truck (Part No.33344)

Positraction Cross Pin Bolt For GM 12 Bolt Car And Truck

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$28.99
Positraction cross pin bolt for GM 12P and 12T.

Product Features:
  • Cross pin bolt for GM 12 bolt passenger car and truck
  • For OEM positraction applications only
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Yukon Gear – Pinion Install Kit For GM 12 Bolt Truck Differential (Part No.13057)

Pinion Install Kit For GM 12 Bolt Truck Differential

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$232.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with 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 pinion gear.

Product Features:
  • Fits GM 12 bolt truck
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Replacement Carrier Shim Kit For Dana 60, 61 & 70U (Part No.55020)

Replacement Carrier Shim Kit For Dana 60, 61 & 70U

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$104.99
Product Features:
  • Carrier shims for Dana Spicer 60 and 70U
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Motive Gear – Differential Pinion Nut (Part No.3752901)

Differential Pinion Nut

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$7.49
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement

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$5.99
Product Features:
  • Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
  • 0.030″ thick
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Yukon Gear – 3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (Part No.33347)

3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More

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$4.99
3/8″ ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.

Product Features:
  • Ring gear bolt washer for GM 12 bolt car and truck, 1955-1964 passenger car, 1963-1979 Corvette and 8.2″ Buick, Oldsmobile and Pontiac
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Pro-King – Differential Cover Gasket (Part No.742G303A)

Differential Cover Gasket

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$31.49
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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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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Yukon Gear – AxleKt (Part No.21837)

AxleKt

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$1155.00
AxleKt

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

Differential Gear Install Kit

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$69.99


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 TRUCK
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Pro-King – Differential Crush Sleeve (Part No.742G034)

Differential Crush Sleeve

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$2.99
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 – Shaft Repair Sleeve (Part No.99138)

Shaft Repair Sleeve

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$27.49
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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Yukon Gear – Bearing Race Driver (Part No.56017)

Bearing Race Driver

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$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM89410 race
  • All steel construction
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Yukon Gear – Differential (Part No.29101)

Differential

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$271.99
Differential

Yukon Gear – Replacement Pinion Seal For Dana 44HD, Dana 60 & Dana 70 (Part No.30208)

Replacement Pinion Seal For Dana 44HD, Dana 60 & Dana 70

from

$39.99
Replacement pinion seal for Dana 44HD, Dana 60 & Dana 70 .Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Pinion seal
  • Fits Dana Spicer 44HD, 60, 70, 70U and 70HD
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Yukon Gear – Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement (Part No.33012)

Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement

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$6.99
Product Features:
  • Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50
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Yukon Gear – Zip Locker For Dana 60 With 35 Spline Axles, 4.10 & Down (Part No.34022)

Zip Locker For Dana 60 With 35 Spline Axles, 4.10 & Down

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$1487.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years. This is a narrow case locker. If you have a wide housing, please order two DS 42563 with your locker. This locker is ABS compatible.

Product Features:
  • Fits Dana Spicer 60 with 35 spline axles
  • 4.10 and down ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
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USA Standard Gear – Master Overhaul Kit Dana 60 Front (Part No.37020)

Master Overhaul Kit Dana 60 Front

from

$339.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included 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), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits Dana Spicer 60 front
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, oil baffles and slingers, thread locker, marking compound with brush and gasket.
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Felpro – Axle Housing Cover Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket

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$6.49
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 – Replacement Standard Open Carrier Case For Dana 60, 4.10 & Down (Part No.20047)

Replacement Standard Open Carrier Case For Dana 60, 4.10 & Down

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$339.99
Yukon replacement standard open carrier case for Dana 60, 4.10 & down Semi-Float & Full float, (incl ABS) 2-1/8″ tall.

Product Features:
  • Standard open carrier case
  • Fits Dana Spicer 60
  • 4.10 and down ratio only
  • Does not include spider gears
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National – Bearings (Part No.31520)

Bearings

from

$12.29
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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Popular 1966 GMC K15/K1500 Pickup Differentials Categories

1966 GMC K15/K1500 Pickup Differentials

Maybe you’re in the middle of a full rebuild of that 1966 GMC K15/K1500 Pickup. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 283 different Differentials in our inventory ranging from $0.91 to $1,674.99. That means you can find the exact parts or products you need to keep that 1966 GMC K15/K1500 Pickup running smoothly.

Differentials are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 1966 GMC K15/K1500 Pickup. Yukon Gear, National, 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 GMC K15/K1500 Pickup, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 252 reviews in this category, some of the top rated parts include Oil Seal with 4.3 stars and Differential Carrier Shim Kit with 2.7 stars.

So if you’re in the market for aftermarket Differentials to keep your 1966 GMC K15/K1500 Pickup 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 K15/K1500 Pickup Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 GMC K15/K1500 Pickup 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 K15/K1500 Pickup the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Richmond Gear Differentials

We carry Richmond Gear parts in our stock across Differential Ring and Pinions categories, plus more. For a 1966 GMC K15/K1500 Pickup, our most popular Richmond Gear Differentials include:
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
Differential Ring and Pinions
Differential Ring And Pinion
from $360.99
(1)
Differential Ring And Pinion
Differential Ring and Pinions

Top 1966 GMC K15/K1500 Pickup Differentials from National

National products are another trusted brand when it comes to Differentials for your 1966 GMC K15/K1500 Pickup. Popular National parts include:
Bearings
from $9.99
(8)
Bearings
Front Differential Pinion Bearings
Taper Bearing Cone
from $17.99
(2)
Taper Bearing Cone
Differential Bearings
Shaft Repair Sleeve
from $37.99
(1)
Shaft Repair Sleeve
Differential Pinion Pilot Bearings

FAQs for 1966 GMC K15/K1500 Pickup Differentials

What are the most purchased Differentials for the 1966 GMC K15/K1500 Pickup?

Out of 283 Differentials for the 1966 GMC K15/K1500 Pickup, the most popular in our inventory are:
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Axle Housing Cover Gasket
from $6.49
(10)
Axle Housing Cover Gasket
Rear Housing Cover Gaskets
Replacement Ring Gear Bolt For Model 35, Dana 25, 27, 30 & 44 - 3/8" X 24
from $11.99
This product is not rated
Replacement Ring Gear Bolt For Model 35, Dana 25, 27, 30 & 44 – 3/8" X 24
Differential Ring Gear Bolts

What are the top-rated 1966 GMC K15/K1500 Pickup Differentials?

Top-rated Differentials for your 1966 GMC K15/K1500 Pickup based on customer reviews/ratings are:
Oil Seal
from $10.49
(3)
Oil Seal
“Fit the rear Dana 44 on my TJ just fine and stopped the leaking.”
Differential Carrier Shim Kit
from $8.49
(3)
Differential Carrier Shim Kit
“worked great”
Differential Ring and Pinion
from $193.99
(1)
Differential Ring and Pinion
“Hard to find items with a low price compared to others in the country, and shipping costs where the best.”