Chevrolet K20 Differentials

Your One-Stop Shop For Trusted Chevrolet K20 Differentials

If you’re in search of Chevrolet K20 Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 519 Differentials from top brands with prices ranging from $0.91 to $1,555.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your Chevrolet K20. Of the 14 OEM and aftermarket parts brands we carry, some of the most popular are Felpro, National, and Yukon Gear.

And don’t forget to read customer reviews across all Differentials categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Differentials have to cost top dollar, and we prove it. Browse our top Chevrolet K20 Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Chevrolet K20 Differentials

Yukon Gear – 20 Long Air Line For Zip Locker (Part No.34002)

20 Long Air Line For Zip Locker

from

$29.99
20 long air line for Zip Locker.

Product Features:
  • Air line
  • 20′ in length
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Yukon Gear – Carrier Installation Kit For GM 8.5" Differential With HD Bearings (Part No.57009)

Carrier Installation Kit For GM 8.5" Differential With HD Bearings

from

$151.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.5″ differential with HD bearings for large journal carrier. This kit contains carrier bearings, races and shims. This kit is used in 8.5″ differentials using a Yukon Dura Grip, Eaton posi, ValueTrac, True Trac, Pro-Series Auburn, Detroit Locker or standard carrier with large bearing journals.

Product Features:
  • Fits GM 8.5″ with aftermarket positraction
  • Works with Heavy Duty Bearings
  • Includes carrier bearings and races and “super” carrier shim kit
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Pro-King – Differential Carrier Cover (Part No.743B758)

Differential Carrier Cover

from

$26.49
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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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

from

$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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Driveworks – Taper Bearing Cone (Part No.S-HM-88649)

Taper Bearing Cone

from

$19.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Yukon Gear – Cross Pin Shaft For GM 9.5", Fits Standard & Dura Grip Or Eaton Posi Carrier (Part No.33205)

Cross Pin Shaft For GM 9.5", Fits Standard & Dura Grip Or Eaton Posi Carrier

from

$30.99
Product Features:
  • Cross pin shaft
  • Fits GM 9.5″
  • Dura Grip positraction
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Yukon Gear – Seal Housing For Dana 44, Zip Locker, With O-Rings (Part No.34013)

Seal Housing For Dana 44, Zip Locker, With O-Rings

from

$83.99
Product Features:
  • Seal housing for Dana Spicer 44
  • Includes o-rings
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Pro-King – Differential Cross Shaft (Part No.742G673)

Differential Cross Shaft

from

$28.49
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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National – Multi Purpose Seal (Part No.5778V)

Multi Purpose Seal

from

$69.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -100°F to 450°F; -73°C to 232°C
  • Resistant to hydrocarbon/oxygenate blends and provides superior performance
  • Provides excellent dry running capabilities, low coefficient of friction and excellent resistance to chemicals
  • Delivers quality and reliable performance for every type of repair
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Yukon Gear – Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement (Part No.33249)

Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement

from

$8.99
Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
  • For Trac Loc positraction applications only
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Yukon Gear – The Carrier Bearing Puller (Part No.56072)

The Carrier Bearing Puller

from

$883.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
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USA Standard Gear – Master Overhaul Kit for the ’79-’97 GM 9.5" Differential (Part No.37062)

Master Overhaul Kit for the '79-'97 GM 9.5" Differential

from

$369.99
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 1997 and down GM 9.5″
  • 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, thread locker, marking compound with brush and gasket.
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Felpro – Differential Cover Gasket (Part No.RDS 55387)

Differential Cover 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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Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$41.99
Product Features:
  • Shim 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
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Yukon Gear – Ring Gear Bolt (Part No.33049)

Ring Gear Bolt

from

$6.99
Ring gear bolt for GM 7.5″, 7.6″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ & 8.6″ IRS. 7/16″ x 20.

Product Features:
  • Ring gear bolt for GM 7.5″, 7.625″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ and 8.6″ IRS
  • 7/16″ x 20
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Yukon Gear – Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P (Part No.33234)

Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P

from

$21.99
Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:
  • Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
  • Left hand thread
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Yukon Gear – 1541H Replacement Right Hand Assembly For Dana 44 With 30 Splines (Part No.21061)

1541H Replacement Right Hand Assembly For Dana 44 With 30 Splines

from

$662.99
Yukon 1541H replacement right hand assembly for Dana 44 with 30 splines. The inner axle measures 18.5 inches and the axle measures 28.4 inches overall. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:
  • 30 spline inner, 19 spline outer
  • 28.4″ long
  • Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
  • Right hand assembly
  • 5-760X U-joint size
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Powertrax – Grip LS Traction System (Part No.LS231230)

Grip LS Traction System

from

$480.99
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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Yukon Gear – Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles (Part No.28015)

Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles

from

$828.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Installs into standard open carrier
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75"

from

$61.99
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 t

Product Features:
  • Powr Lok button kit
  • Fits Dana Spicer 30, 44 and Chrysler 8.75″
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Yukon Gear – Spider Gear Set For GM 9.5" Gura Drip Posi (Part No.16166)

Spider Gear Set For GM 9.5" Gura Drip Posi

from

$561.99
Yukon spider gear set for GM 9.5″ Gura Drip posi. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.

Product Features:
  • Spider gear kit
  • Fits GM 9.5″ with Dura Grip positraction
  • Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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Richmond Gear – Differential Spool (Part No.81-1030-1)

Differential Spool

from

$259.99
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 – 8.5 Front Cover Gasket (Part No.23021)

8.5 Front Cover Gasket

from

$11.99
8.5 front cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 8.5″ front
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Mr. Gasket – Differential Gasket (Part No.84B)

Differential Gasket

from

$15.99
Precision cut and high quality materials. Reusable.

Product Features:
  • Precision cut
  • High-quality materials
  • Reusable
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Driveworks – Wheel Bearing (Part No.S-R1581-TV)

Wheel Bearing

from

$27.99
Product Features:
  • Brand may vary by location
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Chevrolet K20 Differentials List

Differentials Brands You Can Trust For Your Chevrolet K20

14 trusted brands of Differentials line our shelves, ready to help keep your Chevrolet K20 running smooth. Below are some of the most popular brands and their top Differentials offerings:

Popular Mr. Gasket Differentials

Mr. Gasket products for the Chevrolet K20 span several categories. Some of the highest-rated Mr. Gasket Differentials that will fit your Chevrolet K20 are:
Differential Gasket
from $15.99
(1)
Differential Gasket
Rear Differential Cover Gaskets

Top Chevrolet K20 Differentials from Felpro

Your Chevrolet K20 will be purring again thanks to Felpro brand Differentials available for online order or in-store pick up. Popular Felpro parts include:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Differential Cover Gaskets
Differential Cover Gasket
from $7.99
(20)
Differential Cover Gasket
Rear Housing Cover Gaskets
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
Rear Differential Cover Gaskets

Most Purchased Chevrolet K20 Differentials from Felpro

When you buy the most frequently purchased Felpro brand Differentials, you can be confident it will be the right part for your Chevrolet K20. Here are the Felpro Differentials Advanced Auto customers buy the most:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Differential Cover Gaskets
Bearings
from $22.99
(12)
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

FAQs for Chevrolet K20 Differentials

What are the most purchased Differentials for the Chevrolet K20?

Out of 519 Differentials for the Chevrolet K20, the most popular in our inventory are:
Bearings
from $22.99
(12)
Bearings
Differential Bearings
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
Differential Pinion Shaft Lock Bolts
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 Chevrolet K20 Differentials?

Top-rated Differentials for your Chevrolet K20 based on customer reviews/ratings are:
Axle Housing Cover Gasket
from $6.49
(10)
Axle Housing Cover Gasket
“fit perfectly and was easy to work with.no more leaking rear differential.”
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
“Great spark plugs.”
Bearings
from $16.99
(6)
Bearings
“Fit perfectly. No difficulty replacing my old ones.”