1980 Chevrolet K20 Differentials

Essential 1980 Chevrolet K20 Differentials

USA Standard Gear – Master Overhaul Kit for the Dana 44 Differential with 30 Spline (Part No.37008)

Master Overhaul Kit for the Dana 44 Differential with 30 Spline

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$289.99
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 standard rotation Dana Spicer 44 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, oil baffles and slingers, thread locker, marking compound with brush and gasket.
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Yukon Gear – Positraction Internals For 9.5" GM With 33 Spline Axles (Part No.16057)

Positraction Internals For 9.5" GM With 33 Spline Axles

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$606.99
Yukon positraction internals for 9.5″ GM with 33 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects. These internals are for Eaton positractions only. They will not fit factory positractions.

Product Features:
  • Spider gear kit
  • Fits GM 9.5″ with Eaton positraction
  • Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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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

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$83.99
Product Features:
  • Seal housing for Dana Spicer 44
  • Includes o-rings
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Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

DiffrlPinSupportBolt

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$5.99
DiffrlPinSupportBolt

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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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

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$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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Motive Gear – Axle Shaft (Part No.GM10FAXR)

Axle Shaft

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$207.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:
  • GM 10BL 8.5 AXLE RIGHT SIDE, 77-87 1/2 & 3/4 TON
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

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$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
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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

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$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 – Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And Straps (Part No.32278)

Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And Straps

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$223.99
Yukon replacement trail repair kit for Dana 30 and 44 with 1310 size U/joint and straps. This kit comes with a yoke, U/joint, pinion seal, U/bolt or strap kit, pinion nut, and pinion nut washer (if applicable).

Product Features:
  • Fits Dana Spicer 30 and 44
  • 1310 u-joint size
  • Kit includes yoke, U-joint, pinion seal, pinion nut and washer, straps, bolts and threadlocker
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National – Bearings (Part No.HM803149)

Bearings

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$36.49
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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Yukon Gear – Super Carrier Shim Kit For GM 9.5" (Part No.55003)

Super Carrier Shim Kit For GM 9.5"

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$29.99
9.5″ GM differential carrier Supershim kit.

Product Features:
  • Super carrier shim kit for GM 9.5″
  • Interlocking design makes installation much easier
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Yukon Gear – 1541H Replacement Left Hand Assembly For Dana 44 (’73-’82 GM) (Part No.21062)

1541H Replacement Left Hand Assembly For Dana 44 ('73-'82 GM)

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$554.99
Yukon 1541H replacement left hand assembly for Dana 44 (’73-’82 GM) with 30 splines. The inner axle measures 36.6 inches and the measures 46.4 inches axle 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
  • 36.13″ long
  • Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
  • Left hand assembly
  • 5-760X U-joint size
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Yukon Gear – Bearing Race Driver (Part No.56011)

Bearing Race Driver

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$215.99
Bearing race driver for Dana 60 front, Dana 70U rear, Chrysler 8.75″ with 42 housing, and ’88 and older GM 14T. No return.

Product Features:
  • Bearing race driver
  • Fits HM803110 race
  • All steel construction
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Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

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$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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Motive Gear – Differential Ring and Pinion (Part No.GM10-342A)

Differential Ring and Pinion

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$235.99


Product Features:
  • GM 10BL 8.5 R/P 3.42A MG FRT/REAR
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Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

Differential Cover Gasket

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$9.99
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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Felpro – DIFFERENTIAL GASKET (Part No.RDS 55075)

DIFFERENTIAL GASKET

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$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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Spectre – GM Diff Cover Truck 14 Bolt (Part No.6086)

GM Diff Cover Truck 14 Bolt

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$62.99
Spectre’s Chrome GM Differential Covers feature a 14 bolt design and include the chrome bolts and gasket needed for an easy install. Made to OEM specifications these differential covers are triple chrome plated ensuring they perform as well as they look. This product fits the following vehicles with a 10.5 inch ring gear: 73-’87 Chevy/GMC 3/4 & 1 Ton 2/4WD (rear), ’75-’00 Chevy/GMC Dually 2/4WD (rear), ’88-’99 Suburban 3/4 Ton 2/4WD (rear). Includes 14 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

Product Features:
  • Fits the following vehicles with a 10.5 inch ring gear: 73-’87 Chevy/GMC 3/4 & 1 Ton 2/4WD (rear), ’75-’00 Chevy/GMC Dually 2/4WD (rear), ’88-’99 Suburban 3/4 Ton 2/4WD (rear).
  • Triple chrome plated steel construction
  • 14 bolt design
  • 14 chrome 5/16 inch -18 x 3/4 inch differential cover bolts included
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Yukon Gear – Standard Open And Gov-Loc Cross Pin For 9.5" GM (Part No.33402)

Standard Open And Gov-Loc Cross Pin For 9.5" GM

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$32.99
Standard open and Gov-Loc cross pin for 9.5″ GM.

Product Features:
  • Cross pin shaft
  • Fits GM 9.5″
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Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1310-6010)

Drive Shaft Pinion Yoke

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$117.99


Product Features:
  • PINION YOKE
  • CAST:1310
  • U-BOLT STYLE
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Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R14RMKL)

Differential Master Bearing Kit - Koyo

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$141.99
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:
  • GM 10.5 MASTER KIT BRG & SEAL ’72-88, 456 & UP
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Yukon Gear – Positraction Clutch Guide (Part No.33352)

Positraction Clutch Guide

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$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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Driveworks – Oil Seal (Part No.S-471424)

Oil Seal

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$4.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Yukon Gear – Pinion Nut (Part No.33152)

Pinion Nut

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$9.99
Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:
  • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
  • 7/8″ x 14 thread
  • 1 1/4″ socket
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Motive Gear – Differential Gear Install Kit (Part No.GM10.5IK-2)

Differential Gear Install Kit

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$44.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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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

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$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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Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)

Differential Cross Shaft

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$66.99
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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Popular 1980 Chevrolet K20 Differentials Categories

1980 Chevrolet K20 Differentials

Maybe you’re in the middle of a full rebuild of that 1980 Chevrolet K20. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 476 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 1980 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 1980 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 1980 Chevrolet K20, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 4,530 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 4.2 stars and Differential Shaft Lock Bolt with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1980 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 1980 Chevrolet K20 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1980 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 1980 Chevrolet K20, our most popular Mr. Gasket Differentials include:
Differential Gasket
from $18.09
(1)
Differential Gasket
Rear Differential Cover Gaskets

FAQs for 1980 Chevrolet K20 Differentials

What are the most purchased Differentials for the 1980 Chevrolet K20?

Out of 476 Differentials for the 1980 Chevrolet K20, the most popular in our inventory are:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Housing Cover Gaskets
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Differential Bearings
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
Rear Differential Cover Gaskets

What are the top-rated 1980 Chevrolet K20 Differentials?

Top-rated Differentials for your 1980 Chevrolet K20 based on customer reviews/ratings are:
Differential Ring And Pinion
from $342.99
(23)
Differential Ring And Pinion
“So far so good.”
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
“great”
Bearings
from $15.99
(9)
Bearings
“as advertised”