1977 Chevrolet C20 Differentials

Essential 1977 Chevrolet C20 Differentials

Yukon Gear – Steel Cover For GM 10.5" 14 Bolt Truck (Part No.32345)

Steel Cover For GM 10.5" 14 Bolt Truck

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$92.99
Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Steel
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Yukon Gear – Yoke For GM 10.5" 14 Bolt Truck, 1410, Strap Style (Part No.41180)

Yoke For GM 10.5" 14 Bolt Truck, 1410, Strap Style

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$299.99
Yukon yoke for GM 10.5″ 14 bolt truck, 1410, strap style. 4.188″ snap ring span, 1.188″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • 30 spline
  • 1410 u-joint size
  • 4.188″ snap ring span
  • 1.188″ cap diameter
  • Outside snap ring design
  • Strap style
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Motive Gear – Differential Pinion Seal (Part No.26064030)

Differential Pinion Seal

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$23.99
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 – 9.5" GM Cover Gasket (Part No.23023)

9.5" GM Cover Gasket

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$13.99
9.5″ GM cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 9.5″
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Yukon Gear – Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5" (Part No.16112)

Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5"

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$304.99
Yukon 1480 Lifetime Series U/Joint. 4.188″ snap ring span, 1.375″ cap diameter. Outside snap ring.

Product Features:
  • Clutch kit
  • Fits GM 10.5″ 14 bolt truck with Eaton positraction
  • Carbon fiber clutches
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Motive Gear – Differential Gear Install Kit (Part No.GM10.5IK)

Differential Gear Install Kit

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$54.99


Product Features:
  • MINI INST KIT GM 14BLT 10.5″ 4.10DN 1972-88
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Yukon Gear – 10.5" GM 14 Bolt Truck Ring Gear Bolt (Part No.33051)

10.5" GM 14 Bolt Truck Ring Gear Bolt

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$10.99
14T ring gear bolt 4.11 & down. 9/16″ x 18. 2.085″ overall length.

Product Features:
  • Ring gear bolt for GM 10.5″ 14 bolt truck
  • 4.11 and down ratio
  • 1/2″ x 18 thread
  • 2.085″ overall length
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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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GM Genuine Parts – Side Differential Bearing (Part No.S1380)

Side Differential Bearing

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$89.99
GM Genuine Parts Differential Bearings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bearings are low friction rotating elements that support the drive axle differential carrier within the axle or final drive housing. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Low friction rotating elements that support the drive axle differential carrier within the axle or final drive housing
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

DiffrlPinSupportBolt

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$5.99
DiffrlPinSupportBolt

Pro-King – Differential Internal Nest Kit (Part No.742J717)

Differential Internal Nest Kit

from

$219.99
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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Pro-King – Differential Pinion Nut (Part No.744A961)

Differential Pinion Nut

from

$10.49
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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Motive Gear – Differential Pinion Shim Kit (Part No.GM14SK)

Differential Pinion Shim Kit

from

$22.99


Product Features:
  • KIT SHIM GM 10.5 14 BLT
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Yukon Gear – 10.5" GM 14 Bolt Truck Crush Sleeve (Part No.33108)

10.5" GM 14 Bolt Truck Crush Sleeve

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$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
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

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$689.99
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 most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with 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
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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Driveworks – Wheel Bearing (Part No.S-R1581-TV)

Wheel Bearing

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$27.99
Product Features:
  • Brand may vary by location
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Yukon Gear – Dura Grip Positraction For GM 9.5" With 33 Spline Axles (Part No.26025)

Dura Grip Positraction For GM 9.5" With 33 Spline Axles

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$1025.00
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 GM 9.5″
  • 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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Powertrax – No-Slip Traction System (Part No.9207053000)

No-Slip Traction System

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$591.99
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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Yukon Gear – 9.5 Standard Open Pinion Gear Thrust Washer (Part No.33374)

    9.5 Standard Open Pinion Gear Thrust Washer

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    $28.99
    9.5 Standard Open Pinion gear Thrust Washer.

    Product Features:
    • Pinion gear thrust washer
    • Fits GM 9.5″
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    Yukon Gear – Standard Open Spider Gear Kit For GM 10.5" And 14T With 30 Spline Axles (Part No.16044)

    Standard Open Spider Gear Kit For GM 10.5" And 14T With 30 Spline Axles

    from

    $315.99
    Yukon standard open spider gear kit for GM 10.5″ and 14T with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits GM 10.5″ 14 bolt truck open differential
    • Includes two side gears, four pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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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 – Minor Install Kit For ’87 & Down 10.5" GM 14 Bolt Truck Differential (Part No.12045)

    Minor Install Kit For '87 & Down 10.5" GM 14 Bolt Truck Differential

    from

    $108.99
    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.

    Product Features:
    • Fits 1988 and down GM 10.5″ 14 bolt truck
    • Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.
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    Motive Gear – Differential Carrier Shim Kit (Part No.1101)

    Differential Carrier Shim Kit

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    $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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    Pro-King – Rear Axle Shaft Kit (Part No.AXK-184)

    Rear Axle Shaft Kit

    from

    $237.99
    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
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    Yukon Gear – Standard Open Carrier Case, GM 10.5" 14 Bolt Truck, 4.10 & Down (Part No.20100)

    Standard Open Carrier Case, GM 10.5" 14 Bolt Truck, 4.10 & Down

    from

    $729.99
    Product Features:
    • Standard open carrier case
    • Fits GM 10.5″ 14 bolt truck
    • 4.10 and down ratio only
    • Does not include spider gears
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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

    from

    $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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    National – Bearings (Part No.HM803110)

    Bearings

    from

    $22.99
    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
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    Motive Gear – Differential Ring and Pinion (Part No.GM9.5-373)

    Differential Ring and Pinion

    from

    $242.99


    Product Features:
    • GM 14BL 9.5 R/P 3.73 MG
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    1977 Chevrolet C20 Differentials

    Maybe you’re in the middle of a full rebuild of that 1977 Chevrolet C20. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 132 different Differentials in our inventory ranging from $0.91 to $1,110.00. That means you can find the exact parts or products you need to keep that 1977 Chevrolet C20 running smoothly.

    Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1977 Chevrolet C20. Valvoline, Driveworks, 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 1977 Chevrolet C20, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,946 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 5.0 stars and Cylindrical Bearing with 3.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1977 Chevrolet C20 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 1977 Chevrolet C20 Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 Chevrolet C20 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 C20 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 1977 Chevrolet C20, our most popular Mr. Gasket Differentials include:
    Differential Gasket
    from $18.09
    (1)
    Differential Gasket
    Rear Differential Cover Gaskets

    FAQs for 1977 Chevrolet C20 Differentials

    What are the most purchased Differentials for the 1977 Chevrolet C20?

    Out of 132 Differentials for the 1977 Chevrolet C20, the most popular in our inventory are:
    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
    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 1977 Chevrolet C20 Differentials?

    Top-rated Differentials for your 1977 Chevrolet C20 based on customer reviews/ratings are:
    Differential Ring And Pinion
    from $350.99
    (7)
    Differential Ring And Pinion
    “Great spark plugs.”
    Cylindrical Bearing
    from $31.99
    (4)
    Cylindrical Bearing
    “excellent product”
    Differential Carrier Shim Kit
    from $8.49
    (3)
    Differential Carrier Shim Kit
    “worked great”