1991 Ford F Super Duty Differentials

Keep Your 1991 Ford F Super Duty 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 F Super Duty looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Oil, and Rear Differential 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 FELPRO and National. For example, FELPRO Differentials start at just $7.99 with an average 4.6 star rating. National offer similar pricing and quality, backed by strong customer feedback. With over 102 reviews and a solid 4 star average, you can shop with confidence knowing other Ford F Super Duty 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 F Super Duty in peak condition, inside and out.

Essential 1991 Ford F Super Duty Differentials

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

Dana 60, Dana 70 & Dana 80 Cover Bolt

from

$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″
See More

National – Shaft Repair Sleeve (Part No.99253)

Shaft Repair Sleeve

from

$52.99
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 – Differential (Part No.26048)

Differential

from

$1145.00
Differential

Yukon Gear – Replacement Yoke For Dana 80 With A 1550 U/Joint Size (Part No.41215)

Replacement Yoke For Dana 80 With A 1550 U/Joint Size

from

$349.99
Yukon replacement yoke for Dana 80 with a 1550 U/joint size. 4.964″ snap ring span, 1.375″ cap diameter. Outside snap ring.This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.
See More

Yukon Gear – Pinion Install Kit For Dana 80 Differential (4.125" OD Only) (Part No.13036)

Pinion Install Kit For Dana 80 Differential (4.125" OD Only)

from

$319.99
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 Dana Spicer 80 with 4.125″ O.D. pinion bearing
  • Included are pinion bearings and races, pinion seal, pinion nut, complete pinion shim kit, and marking compound with brush.
See More

USA Standard Gear – Replacement Ring & Pinion Gear Set For Dana 80 In A 4.11 Ratio (Part No.36094)

Replacement Ring & Pinion Gear Set For Dana 80 In A 4.11 Ratio

from

$449.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits Dana Spicer 80
  • 11.25″ ring gear diameter
  • 37 spline pinion
  • 12 ring gear bolts
  • 4.11 ratio
See More

Yukon Gear – Minor Install Kit For Dana 80 Differential (4.125" O.D – Pinion Race) (Part No.12030)

Minor Install Kit For Dana 80 Differential (4.125" O.D - Pinion Race)

from

$188.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:
  • Fits Dana Spicer 80 with 4.125″ O.D. pinion bearing
  • Included are a pinion seal, complete shim kit, marking compound and brush.
See More

Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

Differential Cover Gasket

from

$9.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Yukon Gear – Bearing Race Driver (Part No.56013)

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM807010 race
  • All steel construction
See More

Yukon Gear – Replacement Standard Open Spider Gear Kit For Dana 80 With 37 Spline Axles (Part No.16096)

Replacement Standard Open Spider Gear Kit For Dana 80 With 37 Spline Axles

from

$311.99
Yukon replacement standard open spider gear kit for Dana 80 with 37 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fit Dana Spicer 80 open differential with 37 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
See More

Yukon Gear – Set Up Bearing (Part No.56040)

Set Up Bearing

from

$264.99
Set-up carrier bearing kti (2 bearings, no races) for Dana 70 HD and Dana 80. 469. No return.

Product Features:
  • Set up bearing kit
  • Fits Dana Spicer 80
  • Easily slips on and off carrier journals to allow for easier carrier shim adjustment
See More

USA Standard Gear – Replacement Spider Gear Set For Dana 80, 37 Spline (Part No.39012)

Replacement Spider Gear Set For Dana 80, 37 Spline

from

$318.99
Product Features:
  • Spider gear kit
  • Fits Dana Spicer 80, 37 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
See More

Motive Gear – Differential Gear Install Kit (Part No.D80IK)

Differential Gear Install Kit

from

$143.99


Product Features:
  • MINI INSTALL KIT DANA 80
See More

Yukon Gear – Replacement Outer Oil Slinger For Dana 80 (Part No.33018)

Replacement Outer Oil Slinger For Dana 80

from

$6.99
Product Features:
  • Outer slinger
  • Fits Dana Spicer 80
See More

Motive Gear – Axle Shaft (Part No.43651-1R)

Axle Shaft

from

$155.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:
  • AXLE SHAFT-DANA 80 FORD 1998-1998 37.67″ 37 SPLINE LTR
See More

Yukon Gear – Steel Cover For Dana 80 (Part No.32323)

Steel Cover For Dana 80

from

$215.99
Product Features:
  • Fits Dana Spicer 80
  • Steel
See More

Motive Gear – Differential Pinion Seal (Part No.4525V)

Differential Pinion Seal

from

$27.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
See More

Yukon Gear – Replacement Pinion Nut For Dana 80 (Part No.33145)

Replacement Pinion Nut For Dana 80

from

$26.99
Replacement pinion nut for Dana 80, 1 7/8″ socket.

Product Features:
  • Pinion nut for Dana Spicer 80
  • 1 7/8″ socket
See More

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

Axle Housing Cover Gasket Irregular Shaped 10 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

Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)

Tapered Roller Bearing

from

$13.49
Product Features:
  • Brand may vary by location
See More

Motive Gear – Differential Bearing Kit – Koyo (Part No.R80R)

Differential Bearing Kit - Koyo

from

$219.99
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:
  • BEARING & SEAL KT DANA 80
See More

National – Bearing Race (Part No.382S)

Bearing Race

from

$17.79
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

Felpro – Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket (Part No.RDS 55394)

Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket

from

$10.49
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

Dorman – Help – Pinion Crush Sleeves (Part No.81056)

Pinion Crush Sleeves

from

$6.49
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
  • Required replacement – when servicing the differential
  • 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
See More

Motive Gear – Ring Gear Bolt (Part No.E5TZ4216A)

Ring Gear Bolt

from

$2.99


Product Features:
  • Ford 10.25″RING GEAR BOLT 1.33″ O.A. 1″ THREADS
See More

Yukon Gear – Replacement Pinion Depth Shims For Dana 80 (Part No.55006)

Replacement Pinion Depth Shims For Dana 80

from

$27.99
Replacment Pinion depth shims for Dana 80 (between pin head & bearing).

Product Features:
  • Pinion depth shims for Dana Spicer 80
  • Fits between pinion head and bearing
See More

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)

Dana 50 Dana 60 Dana 70 & Dana 80 Roll Pin, 0.225" Dia, For X/P Shaft, 1.87" Lng

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
See More

Yukon Gear – Dana 70 & Dana 80 Pinion Gear Thrust Washer (Part No.33288)

Dana 70 & Dana 80 Pinion Gear Thrust Washer

from

$7.99
Dana 70 & Dana 80 pinion gear Thrust washer.

Product Features:
  • Pinion gear thrust washer for Dana Spicer 70 and 80
See More

Most Popular Differential Bearings for 1991 Ford F Super Duties

Enhance your 1991 Ford F Super Duty with one of the 3 Differential Bearings we have in stock, starting at just $7.79.

National – Bearing Race (Part No.LM102910)

Bearing Race

from

$7.79
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 – Bearing Race (Part No.453X)

Bearing Race

from

$23.99
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
See More

National – Bearing Race (Part No.382S)

Bearing Race

from

$17.79
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

Best-Selling 1991 Ford F Super Duty Differential Oil

Upgrade your F Super Duty with one of our 3 best-selling Differential Oil.

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

Top-Quality Rear Differential Cover Gaskets for 1991 Ford F Super Duties

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for Ford F Super Duties and enjoy top-notch performance from $16.99.

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55447)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$16.99
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

Top Picks for 1991 Ford F Super Duty Rear Housing Cover Gaskets

Invest in one of our 2 durable Rear Housing Cover Gaskets for your 1991 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Felpro – Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket (Part No.RDS 55394)

Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket

from

$10.49
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

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$7.99
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

Differential Covers for 1991 Ford F Super Duties

Make a smart move for your 1991 Ford F Super Duty with products all priced from $69.99 to $269.99.

Yukon Gear – Chrome Replacement Cover For Dana 80 (Part No.32006)

Chrome Replacement Cover For Dana 80

from

$69.99
Chrome replacement cover for Dana 80.

Product Features:
  • Fits Dana Spicer 80
  • Chrome
See More

Yukon Gear – Polished Aluminum Replacement Cover For Dana 80 (Part No.32025)

Polished Aluminum Replacement Cover For Dana 80

from

$269.99
Polished aluminum replacement cover for Dana 80.

Product Features:
  • Fits Dana Spicer 80
  • Finned polished aluminum
See More

Yukon Gear – Finned Aluminum Cover For Dana 80 (Part No.32337)

Finned Aluminum Cover For Dana 80

from

$239.99
Product Features:
  • Fits Dana Spicer 80
  • Finned aluminum
See More

Yukon Gear – Steel Cover For Dana 80 (Part No.32323)

Steel Cover For Dana 80

from

$215.99
Product Features:
  • Fits Dana Spicer 80
  • Steel
See More

Top-Rated Differential Brands For Your 1991 Ford F Super Duty

When it comes to finding the perfect Differential for your 1991 Ford F Super Duty, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Differential brands including FELPRO and National, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1991 Ford F Super Duty, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1991 Ford F Super Duty Differentials

If you’re looking for a top-quality Differential for your 1991 Ford F Super Duty, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 3 FELPRO 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 $11.82, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1991 Ford F Super Duty come highly rated, with over 37 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 Irregular Shaped 10 Bolt Hole Gasket
from $16.99
(1)
Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
“appears to be the right one, haven’t installed yet.”

Top-Quality National 1991 Ford F Super Duty Differentials

For those in search of a high-quality Differential for their 1991 Ford F Super Duty, Advance Auto Parts offers a great selection of National Differentials. With 2 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 $7.79, with an average price of $23.39, giving you a range of options to suit your budget. Backed by over 8 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.
Tapered Roller Bearing Cone
from $38.99
(2)
Tapered Roller Bearing Cone
“nice finish and function. Should perform well.”
Bearing Race
from $7.79
(6)
Bearing Race
“perfect fit”

FAQs for 1991 Ford F Super Duty Differentials

What are the best-selling Differentials for 1991 Ford F Super Duties?

Out of 132 Differentials that fit 1991 Ford F Super Duties, the following parts are the top sellers:

What’s the price range for 1991 Ford F Super Duty Differentials?

The prices of Differentials for the 1991 Ford F Super Duty range from $2.99 up to $1,884.99 for the most premium parts.

What is the average price of a Differential for a 1991 Ford F Super Duty?

The average price for Differentials for the 1991 Ford F Super Duty is $345.01. 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 Ford F Super Duty model years?

Yes, we carry Differentials for 8 model years of Ford F Super Duties between 1988 and 1997. The following model years are the most popular for Differential purchases: 1997, 1996, 1995, 1994, 1993, 1992, 1990, 1989, and 1988.

What are the cheapest Differentials for my 1991 Ford F Super Duty?

The cheapest 1991 Ford F Super Duty 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 types of Differentials do you sell for my 1991 Ford F Super Duty?

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

Can I get help with 1991 Ford F Super Duty 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 F Super Duty Differentials?

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