1978 Ford Bronco Differentials

Essential 1978 Ford Bronco Differentials

Powertrax – Grip PRO Traction System (Part No.GT443027)

Grip PRO Traction System

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$427.99
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!
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Yukon Gear – Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out (Part No.32149)

Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out

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$3.99
Adjuster lock bolt 3.062″ & 3.250″ Yukon Ford 9″ Drop Out.

Product Features:
  • Side adjuster lock bolt
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Felpro – Axle Housing Cover Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket

from

$6.49
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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Yukon Gear – 3.062" Side Adjuster For Ford 9" (Part No.32139)

3.062" Side Adjuster For Ford 9"

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$94.99
3.062″ side adjuster, Only Fits Yukon Ford 9″ Drop Out, new design ONLY.

Product Features:
  • Side adjuster
  • Fits Ford 9″
  • 3.062″ designs only
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Yukon Gear – Trac Loc Positraction, Ford 8.8", 31 Spline, With Carbon Fiber Clutches (Part No.20130)

Trac Loc Positraction, Ford 8.8", 31 Spline, With Carbon Fiber Clutches

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$774.99
Yukon Trac Loc positraction, Ford 8.8″, 31 spline, with Carbon Fiber clutches.

Product Features:
  • Trac Loc positraction carrier case
  • Includes spider gears
  • Fits Ford 8.8″ with 31 spline axles
  • Carbon fiber clutches
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Yukon Gear – Steel Spool For Ford 9" With 40 Spline Axles (Part No.32182)

Steel Spool For Ford 9" With 40 Spline Axles

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$389.99
Yukon Performance 2-3/16″ deck steel spool for 9″ Ford with 40 spline axles. Spool uses 2″ journal bearings (45 degree). 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 Ford 9″ with 40 spline axles
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75" (Part No.33143)

Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75"

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$6.99
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:
  • Pinion nut for Dana Spicer 25, 27, 30, 44, 50 and GM 7.75″
  • 3/4″ x 16 thread
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Yukon Gear – Set Up Bearing (Part No.56036)

Set Up Bearing

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$172.99
Set-up carrier bearing kit (2 bearings, no races) LM501349. No return.

Product Features:
  • Set up bearing kit
  • Fits Dana Spicer 30
  • Easily slips on and off carrier journals to allow for easier carrier shim adjustment
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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 – Powr Lok Drive Belleville Plate For Dana 44 (Part No.16171)

Powr Lok Drive Belleville Plate For Dana 44

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$41.99
Product Features:
  • Belleville plate, non-splined
  • Fits Dana Spicer 44 Powr Lok
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Felpro – Differential Carrier Gasket (Part No.RDS 55074)

Differential Carrier Gasket

from

$8.49
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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Yukon Gear – Purple Aluminum Pinion Support For 9" Ford Daytona (Part No.32036)

Purple Aluminum Pinion Support For 9" Ford Daytona

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$264.99
Product Features:
  • Fits Ford 9″ with 28 spline pinion
  • Larger inner pinion bearing reduces gear deflection under high load
  • Races installed
  • 6061 aluminum
  • Annodized purple
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Yukon Gear – Star Washers, 3.062" Ford 9" Drop Out New Design Only (Part No.32143)

Star Washers, 3.062" Ford 9" Drop Out New Design Only

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$4.99
STAR washers, 3.062″ Yukon Ford 9″ Drop Out new design ONLY.

Product Features:
  • Star washer
  • Fits Ford 9″
  • 3.062″ designs only
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Motive Gear – Ring Gear Bolt (Part No.D5AZ4216A)

Ring Gear Bolt

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$1.99


Product Features:
  • Ford 7.5″, 8.8″ Ring Gear Bolt
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Yukon Gear – High Performance Ring & Pinion Gear Set For Dana 44 Standard Rotation, 4.88 Thick (Part No.24040)

High Performance Ring & Pinion Gear Set For Dana 44 Standard Rotation, 4.88 Thick

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$354.99
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.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • 8.50″ ring gear diameter
  • 26 spline pinion
  • 10 ring gear bolts
  • 4.88 ratio
  • Thick gear for 3.73 and down carrier
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Yukon Gear – Bearing Race Driver (Part No.56019)

Bearing Race Driver

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$219.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits LM104911 race
  • All steel construction
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Mr. Gasket – Differential Gasket (Part No.142)

Differential Gasket

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$20.49
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit.

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
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FAG US – CONE (Part No.KLM603049)

CONE

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$23.79
CONE

Motive Gear – Differential Bearing Kit – Koyo (Part No.R9R)

Differential Bearing Kit - Koyo

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$105.99
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:
  • KIT BRG.&SEAL FORD 9
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Motive Gear – Differential Mini Spool (Part No.MS88-31)

Differential Mini Spool

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$101.99


Product Features:
  • MINI SPOOL 8.8 FORD 31SPL
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Yukon Gear – Side Gear With Hub For 9" Ford With 31 Splines (Part No.16161)

Side Gear With Hub For 9" Ford With 31 Splines

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$47.99
Side gear with hub for 9″ Ford with 31 splines.

Product Features:
  • Side gear with hub
  • Fits Ford 8″ and 9″ standard open differential and Trac Loc positraction with 31 spline axles
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Yukon Gear – Steel Cover For Dana 44 Standard Rotation (Part No.32319)

Steel Cover For Dana 44 Standard Rotation

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$129.99
Product Features:
  • Fits standard rotation Dana Spicer 44
  • Steel
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Yukon Gear – Pinion Install Kit For Dana 30 Front Differential (Part No.13016)

Pinion Install Kit For Dana 30 Front Differential

from

$159.99
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, pinion nut, 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 standard rotation Dana Spicer 30
  • Included are pinion bearings and races, pinion seal, complete pinion shim kit, and marking compound with brush.
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Spartan – Drive Axle Assembly; Ford Truck 87-96 ABS Axle (Part No.RAX1492D)

Drive Axle Assembly; Ford Truck 87-96 ABS Axle

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$1544.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
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Yukon Gear – Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles (Part No.16021)

Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles

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$299.99
Yukon standard open spider gear kit for 8.8″ Ford with 31 spline axles and 7/8″ pin. 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 Ford 8.8″ with 31 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
  • 0.875″ cross pin shaft diameter
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Yukon Gear – 1541H Alloy Right Hand Rear Axle For Ford 9" (’74-’75 Bronco) (Part No.21814)

1541H Alloy Right Hand Rear Axle For Ford 9" ('74-'75 Bronco)

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$364.99
Yukon 1541H alloy right hand rear axle for Ford 9″ (’74-’75 Bronco) with length of 29 5/8″ and 35 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a 10 year warranty against manufacturing defects.

Product Features:
  • Fits 1974-1975 Ford Bronco
  • Right hand side
  • 10″ x 2.5″ brakes
  • large bearing
  • 35 spline
  • 29 5/8″ long
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Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

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$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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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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Popular 1978 Ford Bronco Differentials Categories

1978 Ford Bronco Differentials

Maybe you’re in the middle of a full rebuild of that 1978 Ford Bronco. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 471 different Differentials in our inventory ranging from $1.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1978 Ford Bronco running smoothly.

Differentials are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Ford Bronco. Yukon Gear, 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 1978 Ford Bronco, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 98 reviews in this category, some of the top rated parts include Multi Purpose Seal with 5.0 stars and Oil Seal with 4.3 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 Ford Bronco 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 1978 Ford Bronco Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Ford Bronco 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 Bronco the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Powertrax Differentials

We carry Powertrax parts in our stock across Differential Open Unit and Components categories, plus more. For a 1978 Ford Bronco, our most popular Powertrax Differentials include:
No-Slip Traction System
from $551.99
(1)
No-Slip Traction System
Differential Open Unit and Components

Top 1978 Ford Bronco Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1978 Ford Bronco. Popular Felpro parts include:
Axle Housing Cover Gasket
from $6.49
(10)
Axle Housing Cover Gasket
Rear Housing Cover Gaskets
Differential Carrier Gasket
from $8.49
(9)
Differential Carrier Gasket
Automatic Transmission Differential Cover Gaskets

FAQs for 1978 Ford Bronco Differentials

What are the most purchased Differentials for the 1978 Ford Bronco?

Out of 471 Differentials for the 1978 Ford Bronco, the most popular in our inventory are:
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Front Differential Pinion Bearings
3 Qt - 80W90 Conventional Gear Oil With Posi Additive
from $57.99
This product is not rated
3 Qt – 80W90 Conventional Gear Oil With Posi Additive
Differential Oil
Multi Purpose Seal
from $23.29
(4)
Multi Purpose Seal
Differential Pinion Seals

What are the top-rated 1978 Ford Bronco Differentials?

Top-rated Differentials for your 1978 Ford Bronco based on customer reviews/ratings are:
Multi Purpose Seal
from $15.79
(3)
Multi Purpose Seal
“good quality”
Oil Seal
from $10.49
(3)
Oil Seal
“Fit the rear Dana 44 on my TJ just fine and stopped the leaking.”
Shaft Repair Sleeve
from $43.99
(2)
Shaft Repair Sleeve
“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”