1978 Chevrolet C30 Differentials

Name: Differential Cover Gasket
Brand: Pro-King
SKU: 743B303
Price: 3.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1978 Chevrolet C30 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 Chevrolet C30 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Bearings, and Differential Oil. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Valvoline, Felpro, and National. For example, Valvoline Differentials start at just $12.99 with an average 4.8 star rating. Felpro and National offer similar pricing and quality, backed by strong customer feedback. With over 9,884 reviews and a solid 5 star average, you can shop with confidence knowing other Chevrolet C30 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Chevrolet C30 Differential at Advance Auto Parts is around $243.01, with a range that starts at $1.89 and goes up to $1,566.99. With 179 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and 3 Qt – Penzoil 80W90 Conventional Gear Oil start at just $8.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1978 Chevrolet C30 in peak condition, inside and out.

Looking for the perfect Differential for your 1978 Chevrolet C30? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Chevrolet C30. Whether you’re driving a 1978 model or another popular model year like 1977, 1979, 1980, 1981, 1982, 1983, 1984, 1985, and 1986, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1978 Chevrolet C30 Differentials

from

$3.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

Meets or exceeds OE specifications

from

$17.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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

from

$7.99

Dana 50 Dana 60 Dana 70 & Dana 80 roll PIN, 0.225″ DIA, for X/P shaft, 1.87″ LNG.

Product Features:

Roll pin for Dana Spicer 50, 60, 70, 70U, 70HD and 80
0.225″ diameter
1.870″ long

from

$7.99

Product Features:

Oil baffle
Fits Dana Spicer 70 and 70HD

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$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits HM88510 race
All steel construction

from

$449.99

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 70HD
Fits Dana Spicer Super 70
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, oil baffles and slingers, thread locker, marking compound with brush and gasket.

from

$644.99

Each LuK Differential Bearing Kit contains all the OE quality bearings needed for a professional transmission repair. Differential bearing kits are the perfect repair solution for a broken transmission. We carefully select OE quality components for each individual transmission for a professional repair.

Product Features:

LuK Differential Bearing Kits are designed to meet or exceed OEM requirements. This will ensure customer satisfaction.
LuK Differential Bearing Kits contain the bearings and seals needed to complete the job.
LuK Differential Bearing Kits include wear parts such as seals, O-rings, shaft sealing rings, support bearings and spare parts where necessary for eliminating the specific cause of failure.

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$509.99

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 the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This is a thick gear for a 4.10 & down carrier.

Product Features:

Fits GM 10.5″ GM 14 bolt truck
10.50″ ring gear diameter
30 spline pinion
12 ring gear bolts
5.13 ratio
Thick gear set for 4.11 and down carrier

from

$1110.00

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 10.5″ 14 bolt truck
4.10 ratio and down only
Clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

from

$32.99

Pinion depth shims for Ford 9.75″

from

$126.99

Product Features:

Carrier shim kit
Fits Dana Spicer 70 and 70HD

from

$13.99

Product Features:

Cover gasket
Fits Dana Spicer 60, 70, 70U and 70HD

from

$349.99

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, 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 1988 and down GM 10.5″ 14 bolt truck
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

from

$9.99

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.

from

$266.99

Yukon forged replacement yoke for Dana 60, stronger than billet, with a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses u-bolts. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Dana Spicer 60, 70, 70U and 70HD
29 spline
1350 u-joint size
3.625″ snap ring span
1.188″ cap diameter
Outside snap ring design
U-bolt style

from

$13.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$112.99

Product Features:

CARRIER BEARING KIT FORD 10.5″

from

$156.99

Dana 60 & Dana 70 Power Lok cross pin shaft (TWO needed).

Product Features:

Cross pin shaft
Fits Dana Spicer 60 and 70
Powr Lok positraction only

from

$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!

from

$19.99

Pinion seal for GM 14T.Yukon Mighty seal.

Product Features:

Pinion seal
Fits 1998 and down GM 10.5″ 14 bolt truck

from

$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

from

$318.99

Product Features:

Spider gear kit
Fits GM 10.5″ 14 bolt truck open differential
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

from

$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

from

$121.99

Crush sleeve eliminator kit for GM 10.5″ 14 bolt truck. This kit contains a solid spacer & shim kit to eliminate the crush sleeve and set pinion bearing preload.

Product Features:

Crush sleeve eliminator kit for GM 10.5″ 14 bolt truck

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$211.99

Product Features:

GM10.5″ 14 BOLT OPEN EMPTY CASE 4:10 & DWN

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$17.99

Product Features:

NUT PINION – 14 BOLT

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$5.99

3/8″ cover bolt, Dana 60, Dana 70 & Dana 80.

Product Features:

Cover bolt for Dana Spicer 60, 70 and 80
3/8″

from

$454.99

Product Features:

Standard open carrier case
Does not include spider gears
Fits Dana Spicer 70HD
4.56 and up ratio only

Popular 1978 Chevrolet C30 Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential Cases

Differential End Yokes

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Ring and Pinion Kits

Differential Spider and Pinion Gear Kits

Most Popular Rear Differential Cover Gasket for 1978 Chevrolet C30s

Enhance your 1978 Chevrolet C30 with this popular Rear Differential Cover Gasket we have in stock, for $13.99.

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from

$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

Best-Selling 1978 Chevrolet C30 Differential Bearings

Upgrade your C30 with one of our 4 best-selling Differential Bearings, earning an average 5 stars rating across 6 reviews.

show more show less

from

$13.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$43.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$46.99

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$20.79

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Top-Quality Differential Oil for 1978 Chevrolet C30s

Choose a high-quality OEM or aftermarket Differential Oil for Chevrolet C30s and enjoy top-notch performance from $12.99.

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from

$35.99

Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:

Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

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$12.99

Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.

Product Features:

Formulated for reliable gear protection
Protects against severe temperatures to help extend service life
Formulated with extreme-pressure additives to minimize gear wear from shock loads
Helps protect against gear wear from scuffing, scouring, corrosion and pitting
Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials

from

$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

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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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$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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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top Picks for 1978 Chevrolet C30 Differential Covers

Invest in one of our 4 durable Differential Covers for your 1978 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

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from

$149.99

Product Features:

Fits Dana Spicer 70
Steel

from

$92.99

Product Features:

Fits GM 10.5″ 14 bolt truck
Steel

from

$59.99

Chrome cover for GM 14T.

Product Features:

Fits GM 10.5″ 14 bolt truck
Chrome

from

$288.99

Product Features:

Nodular iron for added strength
Thick design
Durable powder coat finish
Magnetic drain plug
Made in USA
High strength stainless steel fasteners

Top-Rated Rear Housing Cover Gaskets for 1978 Chevrolet C30s

Make a smart move for your 1978 Chevrolet C30 with products all priced from $8.29 to $17.99.

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from

$17.99

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

from

$8.29

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

from

$9.49

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

Top-Rated Differential Brands For Your 1978 Chevrolet C30

When it comes to finding the perfect Differential for your 1978 Chevrolet C30, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Differential brands including Valvoline, Felpro, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $8.29. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 Chevrolet C30, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1978 Chevrolet C30 Differentials

If you’re looking for a top-quality Differential for your 1978 Chevrolet C30, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 2 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.99 and an average cost of $24.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1978 Chevrolet C30 come highly rated, with over 681 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $35.99

(446)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

“Good quality great price”

from $12.99

(235)

High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart

“Good quality oil. Does it’s job.”

Top-Quality Felpro 1978 Chevrolet C30 Differentials

For those in search of a high-quality Differential for their 1978 Chevrolet C30, Advance Auto Parts offers a great selection of Felpro Differentials. With 2 Felpro Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $8.29, with an average price of $13.14, giving you a range of options to suit your budget. Backed by over 14 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $17.99

(1)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

“OEM only uses silicone , the gasket set with a thin layer of silicone is a much better sealant method”

from $8.29

(13)

Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket

“works good”

FAQs for 1978 Chevrolet C30 Differentials

What are the best-selling Differentials for 1978 Chevrolet C30s?

Out of 179 Differentials that fit 1978 Chevrolet C30s, the following parts are the top sellers:

Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (5723531) – $8.29
3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99

What’s the price range for 1978 Chevrolet C30 Differentials?

The prices of Differentials for the 1978 Chevrolet C30 range from $1.89 up to $1,566.99 for the most premium parts.

What is the average price of a Differential for a 1978 Chevrolet C30?

The average price for Differentials for the 1978 Chevrolet C30 is $243.01. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Chevrolet C30 model years?

Yes, we carry Differentials for 11 model years of Chevrolet C30s between 1968 and 1986. The following model years are the most popular for Differential purchases: 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979, and 1977.

What are the cheapest Differentials for my 1978 Chevrolet C30?

The cheapest 1978 Chevrolet C30 Differentials we carry are:

Differential Ring Gear Bolt (10282457) – $1.89
Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (11643357) – $4.99
Side Gear Thrust Washer For Dana 60, 70 & 80 (11642996) – $4.99
Pinion Crush Sleeves (22140005) – $5.99
Dana 60, Dana 70 & Dana 80 Cover Bolt (11642999) – $5.99

Does Advance Auto Parts sell Differentials for any other 1978 Chevrolet models?

Yes. We stock Differentials for 23 other popular 1978 Chevrolet models. Some of the most popular are 1978 Impala Differentials, 1978 Malibu Differentials, 1978 Camaro Differentials, 1978 Monte Carlo Differentials, and 1978 Corvette Differentials.

What types of Differentials do you sell for my 1978 Chevrolet C30?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1978 Chevrolet C30:

Can I get help with 1978 Chevrolet C30 Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Differentials and more.

What is your return policy for Chevrolet C30 Differentials?

Advance Auto Parts keeps returns simple. For new Chevrolet C30 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1978 Chevrolet C30 Differentials

Pro-King – Differential Cover Gasket (Part No.743B303)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6014)

Yukon Gear – Dana 50 Dana 60 Dana 70 & Dana 80 Roll Pin, 0.225" Dia, For X/P Shaft, 1.87" Lng (Part No.33327)

Yukon Gear – Replacement Baffle For Dana 70 & 70HD (Part No.33003)

Yukon Gear – Bearing Race Driver (Part No.56014)

USA Standard Gear – Master Overhaul Kit Dana 70 HD & Super-70 Differential (Part No.37023)

LuK – Repair Kit, Differential (Part No.GDK324-MK)

Yukon Gear – High Performance Ring & Pinion "Thick" Gear Set For 10.5" GM 14 Bolt Truck In A 5.13 Ratio (Part No.24139)

Yukon Gear – Dura Grip Positraction For 10.5" GM 14 Bolt Truck, 4.10 & Down (Part No.26030)

Yukon Gear – Pinion Depth Shims For Ford 9.75" (Part No.55007)

Yukon Gear – Replacement Carrier Shim Kit For Dana 70 & 70HD (Part No.55019)

Yukon Gear – Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70 (Part No.23007)

Yukon Gear – Pinion Install Kit For ’88 And Older 10.5" GM 14 Bolt Truck Differential (Part No.13058)

Motive Gear – Ring Gear Bolt (Part No.331421)

Yukon Gear – Forged Replacement Yoke For Dana 60, Stronger Than Billet, With A 1350 U/Joint Size (Part No.41029)

National – Bearing Race (Part No.382A)

Motive Gear – Differential Carrier Bearing Kit – Koyo (Part No.R10.5CK)

Yukon Gear – Dana 60 & Dana 70 Power Lok Cross Pin Shaft (Two Needed) (Part No.33315)

Powertrax – No-Slip Traction System (Part No.9207053000)

Yukon Gear – Pinion Seal For GM 14T (Part No.30023)

Yukon Gear – Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5" (Part No.16112)

USA Standard Gear – Standard Spider Gear Set For GM 10.5" 14 Bolt Truck (Part No.39022)

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

Yukon Gear – Crush Sleeve Eliminator Kit For GM 10.5" 14 Bolt Truck (Part No.55067)

Motive Gear – Differential Carrier (Part No.6258336)

Motive Gear – Differential Pinion Nut (Part No.15994582)

Yukon Gear – Dana 60, Dana 70 & Dana 80 Cover Bolt (Part No.33235)

Yukon Gear – Replacement Standard Open Carrier Case For Dana 70HD, 4.56 & Up (Part No.20037)

Yukon Gear – GM 10.5′ 14 Bolt Truck Cover Gasket (Part No.23016)

National – Bearing Race (Part No.382A)

National – Tapered Roller Bearing Cone (Part No.469)

Schaeffler – Cone (Part No.K387-A)

Schaeffler – Cup (Part No.382A)

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Yukon Gear – Steel Cover For Dana 70 (Part No.32322)

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

Yukon Gear – Chrome Cover For 10.5" GM 14 Bolt Truck (Part No.32013)

Yukon Gear – Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70 (Part No.32352)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6014)

Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55063)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6095-1)