1991 Ford Ranger Differentials

Keep Your 1991 Ford Ranger in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1991 Ford Ranger looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Covers, and Rear Housing Cover Gaskets. 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 Motive Gear, National, and Dorman. For example, Motive Gear Differentials start at just $7.99 with an average 4.0 star rating. National and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 1,366 reviews and a solid 4 star average, you can shop with confidence knowing other Ford Ranger owners approve.

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 1991 Ford Ranger in peak condition, inside and out.

Essential 1991 Ford Ranger Differentials

Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 8.8" In A 3.73 Ratio (Part No.24096)

High Performance Ring & Pinion Gear Set For Ford 8.8" In A 3.73 Ratio

from

$374.99
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 Ford 8.8″
  • 8.80″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 3.73 ratio
See More

Dorman – Axle Shaft (Part No.630-235)

Axle Shaft

from

$241.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
See More

Yukon Gear – Dura Grip Positraction For Ford 8.8" With 31 Spline Axles (Part No.26006)

Dura Grip Positraction For Ford 8.8" With 31 Spline Axles

from

$857.99
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 Ford 8.8″ with 31 spline axles
  • 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
See More

Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

8.5" & 8.2" GM Carrier Installation Kit

from

$109.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
  • Includes carrier bearings and races and “super” carrier shim kit
See More

USA Standard Gear – Master Overhaul Kit for ’09 & Down Ford 8.8" Differential. (Part No.37030)

Master Overhaul Kit for '09 & Down Ford 8.8" Differential.

from

$201.99
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 2009 and down Ford 8.8″
  • 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, thread locker, marking compound with brush and gasket.
See More

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55393)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

from

$7.49
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

Pro-King – Differential Internal Nest Kit (Part No.761A717)

Differential Internal Nest Kit

from

$309.99
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.
See More

Driveworks – Oil Seal (Part No.S-714675)

Oil Seal

from

$10.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

USA Standard Gear – Standard Spider Gear Set For Ford 8.8" Trac Loc Posi, 31 Spline (Part No.39032)

Standard Spider Gear Set For Ford 8.8" Trac Loc Posi, 31 Spline

from

$299.99
Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 31 spline Trac Loc positraction
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
See More

USA Standard Gear – Spartan Locker For Ford 8.8", 31 Spline, Includes Heavy-Duty Cross Pin Shaft (Part No.17005)

Spartan Locker For Ford 8.8", 31 Spline, Includes Heavy-Duty Cross Pin Shaft

from

$649.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits Ford 8.8″ with 31 spline axles and 7/8″ cross pin shaft
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
See More

LuK – Differential Repair Kit (Part No.GDK315)

Differential Repair Kit

from

$256.99
Product Features:
  • Each LuK GearBOX contains all the OE quality bearings needed for a professional transmission repair
  • 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.
See More

Yukon Gear – Zip Locker Install Kit (Part No.34026)

Zip Locker Install Kit

from

$249.99
Product Features:
  • Installation kit
  • Includes o-ring for bulkhead fitting, bulkhead fitting, outer fitting, switch, front and rear switch cover, solenoid, zip ties and 20′ air line
See More

Yukon Gear – Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50 (Part No.33002)

Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50

from

$4.99
Product Features:
  • Oil baffle for Dana Spicer 30, Dana Spicer 44 IFS, Dana Spicer 50, AMC Model 35 IFS
See More

Dorman – Differential Yoke including Seal and Pinion Nut (Part No.697-507)

Differential Yoke including Seal and Pinion Nut

from

$48.99
A worn or damaged differential pinion flange can lead to driveline vibrations and fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

Product Features:
  • Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles
  • Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Yukon Gear – Chrome Cover For 7.5" Ford (Part No.32008)

Chrome Cover For 7.5" Ford

from

$42.99
Chrome cover for 7.5″ Ford.

Product Features:
  • Fits Ford 7.5″
  • Chrome
See More

Yukon Gear – Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement (Part No.33012)

Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement

from

$6.99
Product Features:
  • Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50
See More

Richmond Gear – MiniSpool (Part No.78-8831-1)

MiniSpool

from

$151.99
MiniSpool

Pro-King – Differential Pinion Nut (Part No.764A961)

Differential Pinion Nut

from

$6.99
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.
See More

Yukon Gear – Bearing Race Driver (Part No.56020)

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M802011 race
  • All steel construction
See More

Yukon Gear – Dana 28 & Dana 30 Pinion Gear Thrust Washer (Part No.33285)

Dana 28 & Dana 30 Pinion Gear Thrust Washer

from

$7.99
Dana 28 & Dana 30 pinion gear Thrust washer. Also fits AMC Model 35 with 1.560″ side gear bore only.

Product Features:
  • Pinion gear thrust washer for Dana Spicer 25, 27 and 30
See More

Yukon Gear – Trac Loc Positraction, Ford 8.8", 31 Spline (Part No.20069)

Trac Loc Positraction, Ford 8.8", 31 Spline

from

$719.99
Product Features:
  • Trac Loc positraction
  • Fits Ford 8.8″ with 31 spline axles
See More

Yukon Gear – Standard Open Carrier Case, Ford 8.8", 31 Spline (Part No.20077)

Standard Open Carrier Case, Ford 8.8", 31 Spline

from

$269.99
8.8″ 31 spline standard Open case (7/8 X-PIN HOLE).

Product Features:
  • Standard open carrier case
  • Fits Ford 8.8″ with 31 spline axles
  • Does not include spider gears
  • 0.875″ cross pin shaft diameter
See More

Pro-King – Differential Cross Shaft (Part No.742G930)

Differential Cross Shaft

from

$2.99
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.
See More

Yukon Gear – Standard Open Cross Pin Shaft (.750") For Ford 8", 8.8", 9" And Model 20 (Part No.33332)

Standard Open Cross Pin Shaft (.750") For Ford 8", 8.8", 9" And Model 20

from

$16.99
Standard open cross pin shaft (.750″) for Ford 8″, 8.8″, 9″ and Model 20.

Product Features:
  • Cross pin shaft for Ford 8″, 8.8″ and 9″ and AMC Model 20
  • Fits standard open differentials only
  • 0.750″ diameter
See More

National – Shaft Repair Sleeve (Part No.99114)

Shaft Repair Sleeve

from

$27.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
See More

Yukon Gear – 8.8" Ford Tracloc Clutch Set, Both Sides (Part No.16018)

8.8" Ford Tracloc Clutch Set, Both Sides

from

$241.99
8.8″ Ford TracLoc (with short ears–for late models only) clutch set, both sides.

Product Features:
  • Clutch kit
  • Fit Ford 8.8″ Trac Loc positraction
See More

Motive Gear – Differential Crush Sleeve (Part No.3507575)

Differential Crush Sleeve

from

$2.99


Product Features:
  • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
See More

Yukon Gear – Crush Sleeve (Part No.33087)

Crush Sleeve

from

$21.99
Crush Sleeve for Grand Cherokee front & “super” 30, APROX 2.400″.

Product Features:
  • Crush sleeve for Dana Spicer “super” 30 front
  • 2.40″ tall
See More

Most Popular Differential Oil for 1991 Ford Rangers

Enhance your 1991 Ford Ranger with one of the 4 Differential Oil we have in stock, starting at just $19.99.

Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 104361
See More

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
See More

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

Best-Selling 1991 Ford Ranger Differential Covers

Upgrade your Ranger with one of our 10 best-selling Differential Covers, earning an average 3.5 stars rating across 37 reviews.

Dorman – Differential Cover (Part No.697-710)

Differential Cover

from

$65.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Differential Cover (Part No.697-702)

Differential Cover

from

$41.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

ATP – DIFF COVER KIT (Part No.111103)

DIFF COVER KIT

from

$37.99
DIFF COVER KIT

Yukon Gear – Steel Cover For Ford 8.8" (Part No.32328)

Steel Cover For Ford 8.8"

from

$99.99
Yukon outer stub axle for Chrysler 9.25″ front. This axle uses a 1485 u/joint and has 33 splines.

Product Features:
  • Fits Ford 8.8″
  • Steel
See More

Yukon Gear – DiffrlCover (Part No.32364)

DiffrlCover

from

$99.99
DiffrlCover

Yukon Gear – Chrome Cover For 8.8" Ford (Part No.32009)

Chrome Cover For 8.8" Ford

from

$74.99
Chrome cover for 8.8″ Ford.

Product Features:
  • Fits Ford 8.8″
  • Chrome
See More

Yukon Gear – Chrome Cover For 7.5" Ford (Part No.32008)

Chrome Cover For 7.5" Ford

from

$42.99
Chrome cover for 7.5″ Ford.

Product Features:
  • Fits Ford 7.5″
  • Chrome
See More

Spectre – Differential Cover (Part No.6073)

Differential Cover

from

$52.99
Spectre’s Differential Covers are made to OEM specifications and are triple chrome plated for a lasting shine. Designed to protect the intricate moving parts of the differential, Spectre’s covers add an extra layer of protection to the vehicle’s underside. Featuring a 10-bolt design and fits the following vehicles with 7.5 inch ring gears: 1979-2003 Ford Mustang/Capri V8, 1982-2003 Ford Ranger, 1984-1997 Ford Aerostar, 1982-1992 Ford Bronco II, and 1994-2003 Mazda 2300/3000 differentials. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

Product Features:
  • 10 chrome 5/16 inch -18 x 3/4 inch differential cover bolts
  • 10-bolt design
  • Triple chrome plated for a lasting shine
  • Precision engineered for a perfect fit
See More

Yukon Gear – 8.8" Ford Low Profile Ta HD Aluminum Rear Cover (Part No.32114)

8.8" Ford Low Profile Ta HD Aluminum Rear Cover

from

$419.99
8.8″ Ford low profile TA HD Aluminum rear Cover. This cover will not fit vehicles with independent rear suspension.

Product Features:
  • Fits Ford 8.8″
  • Aluminum girdle cover
See More

B & M – Rear End Cover 1 EA B&M (Part No.40297)

Rear End Cover 1 EA B&M

from

$269.99
B&M Cast Aluminum Differential Covers are designed to strengthen the differential by preventing case distortion and ring gear & bearing cap deflection. Constructed of A356.0-T6 aluminum, these rugged covers significantly increase the fluid capacity and dissipate heat much faster than the stock factory unit to prolong the life of your ring and pinion gears. Additional features include an engraved B&M logo, drain and fill port locations, a magnetic drain plug for catching ferrous metal particles, and complete hardware and installation instructions.

Product Features:
  • Additional Oil Capacity
  • More Cooling Ability
  • No Dipstick Modification
  • Some Include Fluid Pickup Extension
  • Built-In Drain Plugs
  • Cast Aluminum
See More

Top-Quality Rear Housing Cover Gaskets for 1991 Ford Rangers

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for Ford Rangers and enjoy top-notch performance from $7.49.

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55393)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

from

$7.49
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 Picks for 1991 Ford Ranger Differential Bearings

Invest in one of our 12 durable Differential Bearings for your 1991 Ford, knowing you’re getting trusted brands and expert craftsmanship.

National – Bearing Race (Part No.LM501314)

Bearing Race

from

$9.29
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
See More

National – Multi-Purpose Bearing (Part No.A-37)

Multi-Purpose Bearing

from

$18.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • 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
See More

National – Multi-Purpose Bearing (Part No.A-36)

Multi-Purpose Bearing

from

$27.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • 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
See More

National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

$19.99
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
See More

National – Bearing Race (Part No.LM67010)

Bearing Race

from

$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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
See More

National – Bearing Race (Part No.LM29710)

Bearing Race

from

$16.49
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
See More

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)

Bearing - TRB (Tapered Roller Bearing)

from

$28.49
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
See More

FAG US – Cone (Part No.KM86649)

Cone

from

$24.29
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
See More

FAG US – Cup (Part No.M88010)

Cup

from

$11.29
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
See More

FAG US – Cup (Part No.LM501310)

Cup

from

$9.99
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
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
See More

FAG US – Cup (Part No.LM67010)

Cup

from

$6.69
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
See More

Top-Rated Rear Differential Cover Gaskets for 1991 Ford Rangers

Make a smart move for your 1991 Ford Ranger with products all priced from $4.99 to $23.99.

Felpro – Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket (Part No.RDS 55341)

Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket

from

$15.99
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
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Mr. Gasket – Differential Gasket (Part No.142)

Differential Gasket

from

$23.99
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
See More

Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

8.8" Ford Cover Gasket

from

$12.99
8.8″ Ford cover gasket.

Product Features:
  • Cover gasket
  • Fits Ford 8.8″
See More

Yukon Gear – 7.5" Ford Cover Gasket (Part No.23009)

7.5" Ford Cover Gasket

from

$9.99
7.5″ Ford cover gasket.

Product Features:
  • Cover gasket
  • Fits Ford 7.5″
See More

Pro-King – Differential Cover Gasket (Part No.762B303)

Differential Cover Gasket

from

$4.99
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.
See More

Top-Rated Differential Brands For Your 1991 Ford Ranger

When it comes to finding the perfect Differential for your 1991 Ford Ranger, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 19 trusted brands. We carry the most popular Differential brands including National, Dorman, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $6.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1991 Ford Ranger, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1991 Ford Ranger Differentials

If you’re looking for a top-quality Differential for your 1991 Ford Ranger, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $12.09, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1991 Ford Ranger come highly rated, with over 20 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Multi-Purpose Bearing
from $18.99
(14)
Multi-Purpose Bearing
“Awesome Quality and Price !!”
Bearing Race
from $7.99
(4)
Bearing Race
“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
Bearing Race
from $9.29
(2)
Bearing Race
“Reasonable price and woks well. front diff 2006 Escalade esv”

Top-Quality Dorman 1991 Ford Ranger Differentials

For those in search of a high-quality Differential for their 1991 Ford Ranger, Advance Auto Parts offers a great selection of Dorman Differentials. With 3 Dorman 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 $6.79, with an average price of $38.26, giving you a range of options to suit your budget. Backed by over 47 customer ratings and an average rating of 4.2 stars, Dorman Differentials provide both reliability and excellent performance. Choosing a Dorman Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Differential Cover
from $41.99
(34)
Differential Cover
“does not look like this in box, its black powder coated , this view is from the inside . there is a magnet in the diff cover”
Differential Cover
from $65.99
(2)
Differential Cover
“It fits.”
Differential Shaft Lock Bolt
from $6.79
(11)
Differential Shaft Lock Bolt
“Exactly like OEM”

FAQs for 1991 Ford Ranger Differentials

What are the best-selling Differentials for 1991 Ford Rangers?

Out of 269 Differentials that fit 1991 Ford Rangers, the following parts are the top sellers:

What’s the price range for 1991 Ford Ranger Differentials?

The prices of Differentials for the 1991 Ford Ranger range from $1.29 up to $1,115.99 for the most premium parts.

What is the average price of a Differential for a 1991 Ford Ranger?

The average price for Differentials for the 1991 Ford Ranger is $185.46. 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 Ford Ranger model years?

Yes, we carry Differentials for 35 model years of Ford Rangers between 1983 and 2026. The following model years are the most popular for Differential purchases: 2023, 2022, 2021, 2020, 2019, 2011, 2010, 2009, and 2008.

What are the cheapest Differentials for my 1991 Ford Ranger?

The cheapest 1991 Ford Ranger Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1991 Ford models?

Yes. We stock Differentials for 27 other popular 1991 Ford models. Some of the most popular are 1991 Mustang Differentials, 1991 E-250 Econoline Differentials, 1991 E-350 Econoline Differentials, 1991 E-150 Econoline Differentials, and 1991 Thunderbird Differentials.

What are the top-rated Differentials that fit the 1991 Ford Ranger?

The one 1991 Ford Ranger Differential we have in stock is the Differential Ring Gear Bolt. It costs $1.29.

What types of Differentials do you sell for my 1991 Ford Ranger?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1991 Ford Ranger:

Can I get help with 1991 Ford Ranger Differential orders?

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

What is your return policy for Ford Ranger Differentials?

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