1975 Chevrolet K20 Differentials

Essential 1975 Chevrolet K20 Differentials

Yukon Gear – Minor Install Kit For GM 8.5" Front Differential (Part No.12056)

Minor Install Kit For GM 8.5" Front Differential

from

$92.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush. (includes Supershims)

Product Features:
  • Fits GM 8.5″ front
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
See More

Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

from

$3.99
Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:
  • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
See More

Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1310-6010)

Drive Shaft Pinion Yoke

from

$117.99


Product Features:
  • PINION YOKE
  • CAST:1310
  • U-BOLT STYLE
See More

Yukon Gear – Set Up Bearing (Part No.56041)

Set Up Bearing

from

$152.99
Set-up bearing (one bearing). HM803149. No return.

Product Features:
  • Set up bearing
  • Fits HM803149 pinion bearing
  • Easily slips on and off pinion journal to allow for pinion depth adjustment
See More

Yukon Gear – Dana 44 Pinion Gear Thrust Washer (Part No.33281)

Dana 44 Pinion Gear Thrust Washer

from

$4.99
Dana 44, GM55P & 8.2″ GM pinion gear Thrust washer.

Product Features:
  • Pinion gear thrust washer for Dana Spicer 44, GM 8.2″ and 1955-1964 GM passenger car
See More

Pro-King – Differential Internal Nest Kit (Part No.743B717)

Differential Internal Nest Kit

from

$221.99
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.
See More

Pro-King – Differential Ring Gear Bolt (Part No.742G935)

Differential Ring Gear Bolt

from

$1.99
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.
See More

Yukon Gear – 10.5" GM 14 Bolt Truck Crush Sleeve (Part No.33108)

10.5" GM 14 Bolt Truck Crush Sleeve

from

$7.99
10.5″ GM 14 bolt truck crush sleeve, 1988 & OLDER. Approx 0.825″ long.

Product Features:
  • Crush sleeve for 1988 and down GM 10.5″ 14 bolt truck
  • 0.825″ tall
See More

Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 30 Spline, 3.73 & Down (Part No.20027)

Replacement Standard Open Carrier Case For Dana 44, 30 Spline, 3.73 & Down

from

$194.99
Yukon replacement standard open carrier case for Dana 44, 30 spline, 3.73 & down, 2-1/8″ tall.

Product Features:
  • Standard open carrier case
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.73 and down ratio only
  • Does not include spider gears
See More

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.
See More

Pro-King – Rear Axle Shaft Kit (Part No.AXK-182)

Rear Axle Shaft Kit

from

$135.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and funtion.

Product Features:
  • High strength steel
  • Dual heat treating process
See More

Motive Gear – Differential Spool (Part No.FSD44-30)

Differential Spool

from

$193.99


Product Features:
  • FULL SPOOL-DANA 44, 30 SPL. 3.92-UP
See More

USA Standard Gear – Standard Spider Gear Set For GM 8.5", 28 Spline (Part No.39026)

Standard Spider Gear Set For GM 8.5", 28 Spline

from

$209.99
Product Features:
  • Spider gear kit
  • Fits GM 8.5″ 28 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
See More

Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 50 Pinion Seal Replacement (Part No.30128)

Dana 25 / 27 / 30 / 36 / 44 / 50 Pinion Seal Replacement

from

$17.99
Replacement pinion seal for Dana 25, Dana 27, Dana 30, D36, Dana 44, & Dana 50 .Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Dana Spicer 25, 27, 30, 40 and 50
See More

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
See More

Yukon Gear – Standard Open Side Gear Thrust Washer For 8.5" GM (Part No.33304)

Standard Open Side Gear Thrust Washer For 8.5" GM

from

$15.99
Standard open side gear thrust washer for 8.5″ GM.

Product Features:
  • Side gear thrust washer
  • Fits GM 8.5″
See More

Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Yukon Gear – Pinion Depth Shims For 10.5" GM 14 Bolt Truck (Part No.55058)

Pinion Depth Shims For 10.5" GM 14 Bolt Truck

from

$37.99
14T GM pinion shim kit.

Product Features:
  • Pinion depth shims for GM 10.5″ 14 bolt truck
See More

Yukon Gear – Replacement Yoke For Dana 30, 44, And 50 With Fine Spline And A 1310 U/Joint Size (Part No.41017)

Replacement Yoke For Dana 30, 44, And 50 With Fine Spline And A 1310 U/Joint Size

from

$121.99
Yukon replacement yoke for Dana 30, 44, and 50 with fine spline and a 1310 U/joint size. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Dana Spicer 44
  • 26 spline
  • 1310 u-joint size
  • 3.219″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • Strap style
See More

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

$67.99
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″
See More

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
See More

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
See More

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

from

$6.99
Product Features:
  • Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50
See More

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
See More

Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI)

Differential Carrier Gear Kit

from

$111.99


Product Features:
  • GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)
See More

Driveworks – Taper Bearing Cup (Part No.S-JLM-104910)

Taper Bearing Cup

from

$4.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

from

$59.99
Product Features:
  • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
  • Interlocking design makes installation much easier
See More

Yukon Gear – 14 Plate Duragrip Composite Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16064)

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

from

$373.99
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
  • Composite clutches
See More

Popular 1975 Chevrolet K20 Differentials Categories

1975 Chevrolet K20 Differentials

Maybe you’re in the middle of a full rebuild of that 1975 Chevrolet K20. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 290 different Differentials in our inventory ranging from $0.91 to $1,525.00. That means you can find the exact parts or products you need to keep that 1975 Chevrolet K20 running smoothly.

Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 1975 Chevrolet K20. Valvoline, Felpro, and Yukon Gear 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 1975 Chevrolet K20, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,455 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 5.0 stars and Oil Seal with 4.3 stars.

So if you’re in the market for aftermarket Differentials to keep your 1975 Chevrolet K20 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 1975 Chevrolet K20 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1975 Chevrolet K20 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 K20 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 1975 Chevrolet K20, our most popular Mr. Gasket Differentials include:
Differential Gasket
from $18.09
(1)
Differential Gasket
Rear Differential Cover Gaskets

FAQs for 1975 Chevrolet K20 Differentials

What are the most purchased Differentials for the 1975 Chevrolet K20?

Out of 290 Differentials for the 1975 Chevrolet K20, the most popular in our inventory are:
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
Rear Differential Cover Gaskets
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

What are the top-rated 1975 Chevrolet K20 Differentials?

Top-rated Differentials for your 1975 Chevrolet K20 based on customer reviews/ratings are:
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
“Great spark plugs.”
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”