1978 Dodge B100 Differentials

Keep Your 1978 Dodge B100 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 Dodge B100 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Rear Housing Cover Gaskets, and Differential Covers. 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 National, Dorman, and FELPRO. For example, National Differentials start at just $10.49 with an average 4.3 star rating. Dorman and FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 828 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge B100 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Dodge B100 Differential at Advance Auto Parts is around $301.53, with a range that starts at $2.29 and goes up to $1,566.99. With 330 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like Bearings, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and Ring Gear Bolt start at just $2.49 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 Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1978 Dodge B100 in peak condition, inside and out.

Essential 1978 Dodge B100 Differentials

FAG US – CONE (Part No.KM88048)

CONE

from

$19.49
CONE

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

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM88510 race
  • All steel construction
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Yukon Gear – Standard Open Notched Cross Pin Shaft For 9.25" Chrysler (Part No.33309)

Standard Open Notched Cross Pin Shaft For 9.25" Chrysler

from

$84.99
Standard Open notched cross pin shaft for 9.25″ Chrysler.

Product Features:
  • Cross pin shaft
  • Fits Chrysler 9.25″
  • Standard open carrier only
  • Notched
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Richmond Gear – Differential Gear Install Kit (Part No.83-1041-B)

Differential Gear Install Kit

from

$42.99
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 – Full-Floating, Blank 35 Spline Diameter, Non-Drilled Axle Shaft For Dana 60 (Part No.21005)

Full-Floating, Blank 35 Spline Diameter, Non-Drilled Axle Shaft For Dana 60

from

$232.99
Full-floating, 35 spline diameter, non-drilled blank axle shaft for Dana 60. 40″ inches long. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H axles come with a one year warranty against manufacturing defects.
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Yukon Gear – Seal Housing For Dana 60, Zip Locker, With O-Rings (Part No.34039)

Seal Housing For Dana 60, Zip Locker, With O-Rings

from

$79.99
Seal housing for Dana 60, Zip locker, with o-rings.

Product Features:
  • Seal housing for Dana Spicer 60
  • Includes o-rings
See More

Yukon Gear – Differential Side Bearing Screw Adjuster For 9.25" Chrysler (Part No.33256)

Differential Side Bearing Screw Adjuster For 9.25" Chrysler

from

$64.99
Differential side bearing screw adjuster for 9.25″ Chrysler.

Product Features:
  • Side adjuster for Chrysler 9.25″ rear
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Needa Parts – Rubber Differential Plug Chrysler 2008-2000 (sold by each) (Part No.090-062)

Rubber Differential Plug Chrysler 2008-2000 (sold by each)

from

$10.99
This differential cover plug is designed to match the fit & function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this plug 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 – Zip Locker Rear Switch Cover (Part No.34010)

Zip Locker Rear Switch Cover

from

$7.99
ZIP locker rear switch cover.

Product Features:
  • Cover for switch
  • Rear
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

from

$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Yukon Gear – Grizzly Locker For Dana 60, 4.56 & Up, 35 Spline (Part No.28005)

Grizzly Locker For Dana 60, 4.56 & Up, 35 Spline

from

$1050.00
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 a forged case and 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! This is a narrow case locker. If you have a wide housing, please order two DS 42563 with your locker. This locker is ABS compatible.

Product Features:
  • Fits Dana Spicer 60 with 35 spline axles
  • 4.56 and up ratio only
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD (Part No.30228)

Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD

from

$37.99
Replacement redi-sleeve yoke saver for 8.75″ c, 9.25″ c, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD .Yukon Mighty seal.

Product Features:
  • Redi-Sleeve yoke saver
  • Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD
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Yukon Gear – Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up (Part No.32043)

Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up

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$414.99
Yukon Performance spool for Dana 60 with 35 spline axles. fits 4.56 and up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 60 with 35 spline axles
  • 4.56 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Motive Gear – Differential Ring and Pinion (Part No.D60-410)

Differential Ring and Pinion

from

$271.99


Product Features:
  • DANA-60 R/P 4.10 STD MG (USES PRE-LOAD SHIMS)
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Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55047)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

from

$6.79
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
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Yukon Gear – 9.25" Cross Pin Shaft Tracloc Only, Not Standard Open 0.870" Diameter (Part No.33310)

9.25" Cross Pin Shaft Tracloc Only, Not Standard Open 0.870" Diameter

from

$57.99
9.25″ cross pin shaft TracLoc ONLY, not standard Open 0.870″ DIA.

Product Features:
  • Cross pin shaft for Chrysler 9.25″
  • Fits Trac Loc positraction only
  • 0.870″ diameter
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Yukon Gear – Dana 60 & Dana 70 Power Lok Case Bolt (Part No.33236)

Dana 60 & Dana 70 Power Lok Case Bolt

from

$7.99
Dana 60 & Dana 70 Power Lok case bolt.

Product Features:
  • Power Lok case bolt for Dana Spicer 60 and 70
  • 7/16 x 14 thread
  • 3.5″ long
  • 9/16″ hex head
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Yukon Gear – Ring Gear Bolt For Chrysler 7.25", 8" IFS, 8.25", 8.75" & GM 7.2" IFS Front (Part No.33035)

Ring Gear Bolt For Chrysler 7.25", 8" IFS, 8.25", 8.75" & GM 7.2" IFS Front

from

$8.99
Ring gear bolt for Chrysler 7.25″, 8″ IFS, 8.25″, 8.75″ & GM 7.2″ IFS front. 3/8″ x 24.

Product Features:
  • Ring gear bolt for Chrysler 7.25″, 8.0″ IFS and 8.75″
  • 3/8″ x 24 thread
  • .866″ long
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Yukon Gear – Carrier Installation Kit For Chrysler 9.25" Rear Differential (Part No.57001)

Carrier Installation Kit For Chrysler 9.25" Rear Differential

from

$173.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Chrysler 9.25″ rear differential. This kit contains carrier bearings and races.

Product Features:
  • Fits Chrysler 9.25″ rear
  • Includes carrier bearings and races
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Yukon Gear – High Performance Ring & Pinion Gear Set For ’09 & Down Chrysler 9.25" In A 3.55 Ratio (Part No.24013)

High Performance Ring & Pinion Gear Set For '09 & Down Chrysler 9.25" In A 3.55 Ratio

from

$674.99
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 has an updated, proprietary, design that provides longer life and higher durability than the competition. 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. We reccomend an OEM gear for van applications. This gear set is for ’09 and older applications only.

Product Features:
  • Fits 2010 and down Chrysler 9.25″ rear
  • 9.25″ ring gear diameter
  • 29 spline pinion
  • 12 ring gear bolts
  • 3.55 ratio
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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 – Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing (Part No.30121)

Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing

from

$13.99
Pinion seal for 8.75″ Chrysler or for 9.25″ Chrysler with 41 or 89 housing.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Chrysler 8.75″ with ’41’ and ’89’ case housings and 2000 and down Chrysler 9.25″
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Yukon Gear – Positraction Spiders For Chrysler9.25" Dura Grip Posi, 31 Spline, No Clutches Included (Part No.16180)

Positraction Spiders For Chrysler9.25" Dura Grip Posi, 31 Spline, No Clutches Included

from

$389.99
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 Chrysler 9.25″
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
  • Fits Yukon Dura Grip
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Yukon Gear – Six Piece Side Gear And Thrust Washer Kit For Chrysler 8" And 9.25" (Part No.33278)

Six Piece Side Gear And Thrust Washer Kit For Chrysler 8" And 9.25"

from

$98.99
Six piece side gear thrust washer kit for Chrysler 8″ and 9.25″.

Product Features:
  • Side gear thrust washer kit
  • Fits Chrysler 8″ and 9.25″
See More

National – Bearings (Part No.M88048)

Bearings

from

$15.99
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
See More

Felpro – Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket (Part No.RDS 55073)

Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket

from

$9.49
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
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Yukon Gear – Steel Cover For Dana 60 Standard Rotation (Part No.32321)

Steel Cover For Dana 60 Standard Rotation

from

$114.99
Product Features:
  • Fits standard rotation Dana Spicer 60
  • Steel
See More

Yukon Gear – O-Ring For Dana 60 Zip Locker Seal Housing (Part No.34006)

O-Ring For Dana 60 Zip Locker Seal Housing

from

$11.29
Product Features:
  • O-ring for seal housing
  • Fits Dana Spicer 60
See More

Popular 1978 Dodge B100 Differentials Categories

Most Popular Rear Differential Cover Gaskets for 1978 Dodge B100s

Enhance your 1978 Dodge B100 with one of the 3 Rear Differential Cover Gaskets we have in stock, starting at just $6.79.

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55047)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

from

$6.79
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
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Yukon Gear – 9.25" Chrysler Rear Cover Gasket (Part No.23002)

9.25" Chrysler Rear Cover Gasket

from

$12.99
9.25″ Chrysler rear cover gasket.

Product Features:
  • Cover gasket
  • Fits Chrysler 9.25″ rear
See More

Yukon Gear – 8.25" Chrysler Cover Gasket (Part No.23000)

8.25" Chrysler Cover Gasket

from

$12.99
8.25″ Chrysler cover gasket.

Product Features:
  • Cover gasket
  • Fits Chrysler 8.25″
See More

Best-Selling 1978 Dodge B100 Rear Housing Cover Gasket

Upgrade your B100 with our best-selling Rear Housing Cover Gasket with a 4.5 Starts rating across 34 reviews.

Felpro – Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket (Part No.RDS 55073)

Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket

from

$9.49
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
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Top-Quality Differential Covers for 1978 Dodge B100s

Choose a high-quality OEM or aftermarket Differential Cover for Dodge B100s and enjoy top-notch performance from $73.99.

Yukon Gear – Steel Cover For Chrysler 8.25" (Part No.32312)

Steel Cover For Chrysler 8.25"

from

$159.99
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:
  • Fits Chrysler 8.25″
  • Steel
See More

Yukon Gear – Chrome Cover For Chrysler 9.25" (Part No.32001)

Chrome Cover For Chrysler 9.25"

from

$73.99
Toyota wheel seal for ’80-’97 Full float Landcruiser outer rear, ’86-’95 dually pick-up.Yukon Mighty seal.

Product Features:
  • Fits Chrysler 9.25″ rear
  • Chrome
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Yukon Gear – Steel Cover For Dana 60 Standard Rotation (Part No.32321)

Steel Cover For Dana 60 Standard Rotation

from

$114.99
Product Features:
  • Fits standard rotation Dana Spicer 60
  • Steel
See More

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

Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70

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
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Yukon Gear – Polished Aluminum Replacement Cover For Dana 60 (Part No.32024)

Polished Aluminum Replacement Cover For Dana 60

from

$269.99
Polished aluminum replacement cover for Dana 60 (standard rotation only).

Product Features:
  • Fits standard rotation Dana Spicer 60
  • Finned polished aluminum
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Yukon Gear – Steel Cover For Chrysler 9.25" Rear (Part No.32314)

Steel Cover For Chrysler 9.25" Rear

from

$93.99
Product Features:
  • Fits Chrysler 9.25″ rear
  • Steel
See More

Yukon Gear – Chrome Replacement Cover For Dana 60 And 61 Standard Rotation (Part No.32005)

Chrome Replacement Cover For Dana 60 And 61 Standard Rotation

from

$89.99
Chrome replacement cover for Dana 60 and 61(not reverse rotation!).

Product Features:
  • Fits standard rotation Dana Spicer 60
  • Chrome
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Top Picks for 1978 Dodge B100 Differential Bearings

Invest in one of our 11 durable Differential Bearings for your 1978 Ford, knowing you’re getting trusted brands and expert craftsmanship.

National – Bearings (Part No.A-18)

Bearings

from

$18.49
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
See More

Driveworks – Taper Bearing Set (Part No.S-A-36)

Taper Bearing Set

from

$16.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Bearings (Part No.A-36)

Bearings

from

$27.99
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
See More

National – Bearings (Part No.JLM704649)

Bearings

from

$28.99
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
See More

National – Bearings (Part No.JLM704610)

Bearings

from

$16.49
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
See More

Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

Tapered Roller Bearing

from

$6.79
Product Features:
  • Brand may vary by location
See More

FAG US – TAPERED ROLLER BEARI (Part No.KT36)

TAPERED ROLLER BEARI

from

$31.49
TAPERED ROLLER BEARI

FAG US – CONE (Part No.KL68149)

CONE

from

$13.99
CONE

Yukon Gear – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt

from

$13.99
Model 35 (standard Open & TracLoc) 8.25″ Chrysler TracLoc cross pin bolt.

Product Features:
  • Cross pin bolt for AMC Model 35 with c-clip axles
See More

Yukon Gear – 9.25" Chrysler, Dana 60 Semi-Float X/P Bolt, 80 & Up, 5/16" Head, Tapered Shoulder (Part No.33238)

9.25" Chrysler, Dana 60 Semi-Float X/P Bolt, 80 & Up, 5/16" Head, Tapered Shoulder

from

$9.99
Product Features:
  • Cross pin bolt for Dana Spicer 60 with c-clip axles
See More

Yukon Gear – Cross Pin Bolt (Part No.33067)

Cross Pin Bolt

from

$6.99
Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

Product Features:
  • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
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Differential Oil for 1978 Dodge B100s

Make a smart move for your 1978 Dodge B100 with products all priced from $57.99 to $148.99.

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

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

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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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

from

$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
See More

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

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
See More

Top-Rated Differential Brands For Your 1978 Dodge B100

When it comes to finding the perfect Differential for your 1978 Dodge B100, 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 FELPRO, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $5.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 Dodge B100, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1978 Dodge B100 Differentials

If you’re looking for a top-quality Differential for your 1978 Dodge B100, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 2 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.79 and an average cost of $8.14, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1978 Dodge B100 come highly rated, with over 55 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
from $6.79
(21)
Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
“I always use Fel-Pro gaskets they’re the best, but this gasket to replace the differential gasket on my son’s Jeep when I did a fluid change work and ”

Top-Quality National 1978 Dodge B100 Differentials

For those in search of a high-quality Differential for their 1978 Dodge B100, Advance Auto Parts offers a great selection of National Differentials. With 3 National 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 $10.49, with an average price of $14.99, giving you a range of options to suit your budget. Backed by over 49 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Bearings
from $15.99
(9)
Bearings
“as advertised”
Bearings
from $10.49
(4)
Bearings
“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
Bearings
from $18.49
(36)
Bearings
“High quality.”

FAQs for 1978 Dodge B100 Differentials

What are the best-selling Differentials for 1978 Dodge B100s?

Out of 330 Differentials that fit 1978 Dodge B100s, the following parts are the top sellers:

What’s the price range for 1978 Dodge B100 Differentials?

The prices of Differentials for the 1978 Dodge B100 range from $2.29 up to $1,566.99 for the most premium parts.

What is the average price of a Differentials Differential for a 1978 Dodge B100?

The average price for Differentials for the 1978 Dodge B100 is $301.53. 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 Dodge B100 model years?

Yes, we carry Differentials for 4 model years of Dodge B100s between 1975 and 1980. The following model years are the most popular for Differential purchases: 1980, 1979, 1977, 1976, and 1975.

What are the cheapest Differentials for my 1978 Dodge B100?

The cheapest 1978 Dodge B100 Differentials we carry are:

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

Yes. We stock Differentials for 21 other popular 1978 Dodge models. Some of the most popular are 1978 Charger Differentials, 1978 Challenger Differentials, 1978 Magnum Differentials, 1978 Ramcharger Differentials, and 1978 W150 Differentials.

What are the top-rated Differentials that fit the 1978 Dodge B100?

Based on 828 reviews by customers, our 1978 Dodge B100 Differentials have an average customer rating of 4 stars. These are the highest-rated categories of Differentials for the 1978 Dodge B100 and their top-rated products:

What types of Differentials do you sell for my 1978 Dodge B100?

As of 4/10/25, these are some of the most in-demand types of Differentials for a 1978 Dodge B100:

Can I get help with 1978 Dodge B100 Differential orders?

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

What is your return policy for Dodge B100 Differentials?

Advance Auto Parts keeps returns simple. For new Dodge B100 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.