1991 Ford F-150 Pickup Differentials

Essential 1991 Ford F-150 Pickup Differentials

Yukon Gear – Cross Pin Bolt With 5/16 X 18 Thread For 10.25" Ford (Part No.33241)

Cross Pin Bolt With 5/16 X 18 Thread For 10.25" Ford

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$11.99
Cross pin bolt with 5/16 x 18 thread for 10.25″ Ford.

Product Features:
  • Cross pin bolt for Ford 9.75″ and 10.25″ with c-clip axles
  • 5/16″ x 18 thread
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Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

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$41.99
Product Features:
  • Shim kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
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Yukon Gear – Pinion Gear And Thrust Washer For 9.75" Ford (Part No.33302)

Pinion Gear And Thrust Washer For 9.75" Ford

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$30.99
Pinion gear thrust washer for 9.75″ Ford.

Product Features:
  • Pinion gear thrust washer
  • Fits Ford 9.75″
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Yukon Gear – O-Ring For Toyota & Dana 44 Zip Locker Seal Housing (Part No.34004)

O-Ring For Toyota & Dana 44 Zip Locker Seal Housing

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$11.29
Product Features:
  • O-ring for seal housing
  • Fits Dana Spicer 44 and Toyota 8″ and V6
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USA Standard Gear – Axle For 8.8" ’87-’96 Ford Trucks And ’87-’06 Ford Vans (Part No.35020)

Axle For 8.8" '87-'96 Ford Trucks And '87-'06 Ford Vans

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$201.99
Product Features:
  • Fits 1987-1996 Ford 8.8″ in F150
  • Fits 1987-2005 Ford 8.8″ in Vans
  • Right hand side
  • 31 spline
  • 31 1/16″ long
  • 5 lug
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Yukon Gear – Grizzly Locker, Ford 9" With 35 Splines, For Use With Load Bolt Dropout (Part No.28012)

Grizzly Locker, Ford 9" With 35 Splines, For Use With Load Bolt Dropout

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$993.99
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! This unit has been machined for use in dropouts with a load-bolt. 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 locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles and loadbolt housing
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" (Part No.55041)

Crush Sleeve Eliminator Kit For Ford 9"

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$68.99
9″ Ford 2 piece solid preload pinion spacer, Daytona or standard.

Product Features:
  • Crush sleeve eliminator kit for Ford 9″ with 28 spline pinion
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Yukon Gear – Dana 44 Cover Gasket Replacement (Part No.23006)

Dana 44 Cover Gasket Replacement

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$12.99
Product Features:
  • Cover gasket
  • Fits Dana Spicer 44
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Yukon Gear – Dana 44 Carrier Installation Kit Replacement (Part No.57003)

Dana 44 Carrier Installation Kit Replacement

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$128.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 44 differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits Dana Spicer 44
  • Includes carrier bearings and races and carrier shim kit
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Yukon Gear – Ppinion Nut 7/8-20 Thread, 1 1/8 Socket (Part No.33146)

Ppinion Nut 7/8-20 Thread, 1 1/8 Socket

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$10.99
Replacement pinion nut for Model 20 & 35, Dana 30 JK, 44 JK front, Ford 10.25″, 10.5″ & some 9.75″. 7/8-20 thread, 1 1/8 socket.

Product Features:
  • Pinion nut for Jeep JK front, Jeep Liberty front, Ford 9.75″, 10.25″, 10.5″ and AMC Model 20 and Model 35
  • 7/8″ x 20 thread
  • 1 1/8″ socket
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Yukon Gear – 8.8" Ford 7/8" Diameter Notched Cross Pin Shaft (.875" For ’86 And Newer) (Part No.33434)

8.8" Ford 7/8" Diameter Notched Cross Pin Shaft (.875" For '86 And Newer)

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$57.99
8.8″ Ford 7/8″ diameter Notched cross pin shaft (.875″ for ’86 and newer). This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

Product Features:
  • Notched cross pin shaft for Ford 8.8″
  • 0.875″ diameter
  • Not compatible with Spartan Locker or Powertrax Lock Right
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Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart (Part No.889787)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart

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$19.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-140 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-140 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
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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

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$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
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Driveworks – Cylindrical Bearing (Part No.S-R1561TV)

Cylindrical Bearing

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$31.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Motive Gear – Differential Gear Install Kit (Part No.F8.8IK)

Differential Gear Install Kit

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$35.99


Product Features:
  • MINI INSTALL KIT FORD 8.8
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Yukon Gear – Standard Open Spider Gear Kit For 9.75" Ford With 34 Spline Axles (Part No.16038)

Standard Open Spider Gear Kit For 9.75" Ford With 34 Spline Axles

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$269.99
Yukon standard open spider gear kit for 9.75″ Ford with 34 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 Ford 9.75″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Driveworks – Camshaft Seal (Part No.S-99139)

Camshaft Seal

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$23.99
Product Features:
  • Brand may vary by location
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Felpro – Axle Housing Cover Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket

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$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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Powertrax – Grip PRO Traction System (Part No.GT109031)

Grip PRO Traction System

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$496.99
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 – Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75"

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$67.99
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:
  • Powr Lok button kit
  • Fits Dana Spicer 30, 44 and Chrysler 8.75″
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Yukon Gear – Preload Shim Kit For Chrysler 8.75" & Ford 9" (Part No.55030)

Preload Shim Kit For Chrysler 8.75" & Ford 9"

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$21.99
8.75″ Chrysler & 9″ Ford preload shim kit.

Product Features:
  • Preload shim kit for Ford 9″ and Chrysler 8.75″ with ’41’ and ’42’ case housing
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Yukon Gear – Zip Locker Bulkhead Fitting (Part No.34001)

Zip Locker Bulkhead Fitting

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$27.99
Product Features:
  • Bulkhead fitting
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Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

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$3.99
Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:
  • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
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Yukon Gear – Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P (Part No.33234)

Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P

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$26.99
Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:
  • Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
  • Left hand thread
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Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

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$8.99
Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

Product Features:
  • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
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Driveworks – Tapered Roller Bearing (Part No.S-LM-603011)

Tapered Roller Bearing

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$6.29
Product Features:
  • Brand may vary by location
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Yukon Gear – Replacement Oil Baffle For Dana 44 (Part No.33000)

Replacement Oil Baffle For Dana 44

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$6.99
Product Features:
  • Oil baffle for Dana Spicer 44
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USA Standard Gear – Bearing Kit For Ford 9", LM102949 Carrier Bearings (Part No.58043)

Bearing Kit For Ford 9", LM102949 Carrier Bearings

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$173.99
This kit uses Koyo bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. USA Standard Gear does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.

Product Features:
  • Fits Ford 9″ with LM102910 carrier race
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Popular 1991 Ford F-150 Pickup Differentials Categories

1991 Ford F-150 Pickup Differentials

Maybe you’re in the middle of a full rebuild of that 1991 Ford F-150 Pickup. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 321 different Differentials in our inventory ranging from $0.99 to $2,199.99. That means you can find the exact parts or products you need to keep that 1991 Ford F-150 Pickup running smoothly.

Differentials are only as good as their brand. We stock 22 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Ford F-150 Pickup. FELPRO, Driveworks, and Dorman 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 1991 Ford F-150 Pickup, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 762 reviews in this category, some of the top rated parts include Differential Shaft Lock Bolt with 4.0 stars and Differential Master Bearing Kit – Timken with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1991 Ford F-150 Pickup 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 1991 Ford F-150 Pickup Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Ford F-150 Pickup 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 F-150 Pickup the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Felpro Differentials

We carry Felpro parts in our stock across Rear Differential Cover Gaskets and Rear Housing Cover Gaskets categories, plus more. For a 1991 Ford F-150 Pickup, our most popular Felpro Differentials include:
Differential Cover Gasket
from $14.99
(121)
Differential Cover Gasket
Rear Differential Cover Gaskets
Axle Housing Cover Gasket
from $6.49
(10)
Axle Housing Cover Gasket
Rear Housing Cover Gaskets

FAQs for 1991 Ford F-150 Pickup Differentials

What are the most purchased Differentials for the 1991 Ford F-150 Pickup?

Out of 321 Differentials for the 1991 Ford F-150 Pickup, 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
Rear Differential Cover
from $34.99
(34)
Rear Differential Cover
Differential Covers
Tapered Cone/Cup Wheel Bearing Set
from $7.79
(9)
Tapered Cone/Cup Wheel Bearing Set
Differential Bearings

What are the top-rated 1991 Ford F-150 Pickup Differentials?

Top-rated Differentials for your 1991 Ford F-150 Pickup based on customer reviews/ratings are:
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
“great”
Differential Master Bearing Kit - Timken
from $137.99
(8)
Differential Master Bearing Kit – Timken
“These Timken bearings work great in my 10 second drag car.”
Bearings
from $23.99
(7)
Bearings
“Good price”