1975 Dodge D100 Differentials

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Keep Your 1975 Dodge D100 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1975 Dodge D100 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Covers, 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, National, and Dorman. For example, Felpro Differentials start at just $7.49 with an average 4.6 star rating. National and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 380 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge D100 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1975 Dodge D100 Differential at Advance Auto Parts is around $205.15, with a range that starts at $2.29 and goes up to $1,034.99. With 164 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil with Posi Additive, Tapered Roller Bearing Cone, and 3 Qt – Penzoil 80W90 Conventional Gear Oil start at just $25.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1975 Dodge D100 in peak condition, inside and out.

Essential 1975 Dodge D100 Differentials

Pro-King – Differential Crush Sleeve (Part No.723A034)

Differential Crush Sleeve

from

$2.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Yukon Gear – Carrier Installation Kit for Chrysler 9.25" Rear Differential (Part No.57001)

Carrier Installation Kit for Chrysler 9.25" Rear Differential

from

$173.99
Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.

Product Features:
  • Fits Chrysler 9.25″ rear
  • Includes carrier bearings and races
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Yukon Gear – Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs (Part No.56020)

Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs

from

$215.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • Fits M802011 race
  • All-steel construction
  • For accurate installation of bearing races
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Yukon Gear – Cross Pin Shaft for 8.25" Chrysler (Part No.33308)

Cross Pin Shaft for 8.25" Chrysler

from

$57.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Cross pin shaft for Chrysler 8.25″
  • Fits standard open differentials only
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Yukon Gear – 9.25" Chrysler Rear Cover Gasket (Part No.23002)

9.25" Chrysler Rear Cover Gasket

from

$12.99
9.25″ Chrysler rear cover gasket.

Product Features:
  • Cover gasket
  • Fits Chrysler 9.25″ rear
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Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

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

Product Features:
  • Brand may vary by location
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National – Multi-Purpose Seal (Part No.8516N)

Multi-Purpose Seal

from

$16.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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USA Standard Gear – Differential Cross Pin (Part No.17011)

Differential Cross Pin

from

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

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Schaeffler – Shaft Seal (Part No.SS2633)

Shaft Seal

from

$18.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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 – Differential Carrier Side Bearing Screw Adjuster for Chrysler 7.25" and 8.25" (Part No.33257)

Differential Carrier Side Bearing Screw Adjuster for Chrysler 7.25" and 8.25"

from

$42.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Side adjuster
  • Fits Chrysler 7.25″ and 8.25″
See More

Motive Gear – Differential Internal Carrier Gear Kit (Part No.C9.25BI)

Differential Internal Carrier Gear Kit

from

$168.99


Product Features:
  • C9.25 OPEN INTERNAL KIT, 1984-UP
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Driveworks – Taper Bearing Cup (Part No.S-15245)

Taper Bearing Cup

from

$6.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Victor Reinz – Axle Housing Cover Gasket (Part No.71-14836-00)

Axle Housing Cover Gasket

from

$10.29
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.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
See More

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

Differential Side Bearing Screw Adjuster for 9.25" Chrysler

from

$64.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Side adjuster for Chrysler 9.25″ rear
See More

Motive Gear – Differential Gear Install Kit (Part No.C8.25IK)

Differential Gear Install Kit

from

$39.99
Product Features:
  • MINI INSTALL KIT CHRYSLER 8.25 8 1/4″
See More

Pro-King – Differential Clutch Pack Clips (Part No.723A937)

Differential Clutch Pack Clips

from

$1.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Felpro – Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 6583)

Differential Carrier Gasket Round 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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$6.79
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Yukon Gear – 9.25" Pinion Gear Thrust Washer (Part No.33274)

9.25" Pinion Gear Thrust Washer

from

$12.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Pinion gear thrust washer for Chrysler 9.25″ rear
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 Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
See More

USA Standard Gear – Ring & Pinion Gear Set For ’09 & Down Chrysler 9.25" In A 3.21 Ratio (Part No.36017)

Ring & Pinion Gear Set For '09 & Down Chrysler 9.25" In A 3.21 Ratio

from

$414.99
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 2010 and down Chrysler 9.25″ rear
  • 9.25″ ring gear diameter
  • 29 spline pinion
  • 12 ring gear bolts
  • 3.21 ratio
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Dorman – Oil Drain Plug Differential Plug 2008-2000, Head Size (Part No.090-062CD)

Oil Drain Plug Differential Plug 2008-2000, Head Size

from

$9.99
This differential cover plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and Length service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

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

Steel Cover for Chrysler 8.25"

from

$159.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits Chrysler 8.25″
  • Steel
See More

Yukon Gear – Pinion Depth Shims for GM 8.25"IFS, 8.5", 12 Bolt Car, Ford 8.8", Chrysler 8.25" (Part No.55009)

Pinion Depth Shims for GM 8.25"IFS, 8.5", 12 Bolt Car, Ford 8.8", Chrysler 8.25"

from

$27.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:
  • Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″
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Yukon Gear – Pinion Install Kit for ’70-’75 Chrysler 8.25" Differential (Part No.13003)

Pinion Install Kit for '70-'75 Chrysler 8.25" Differential

from

$175.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

Product Features:
  • Fits 1975 and down Chrysler 8.25″
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Richmond Gear – Differential Bearing Kit (Part No.83-1041-1)

Differential Bearing Kit

from

$182.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
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USA Standard Gear – Differential Spider Gear Kits (Part No.39002)

Differential Spider Gear Kits

from

$209.99
USA Standard Gear open spider gear set for Chrysler 8.25″, 27 spline .

Product Features:
  • Spider gear kit
  • Fits Chrysler 8.25″ 27 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
See More

Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

from

$9.29
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Most Popular Differential Bearings for 1975 Dodge D100s

Enhance your 1975 Dodge D100 with one of the 9 Differential Bearings we have in stock, starting at just $6.99.

National – Bearing Race (Part No.LM102910)

Bearing Race

from

$7.29
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-17)

Multi-Purpose Bearing

from

$17.99
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.

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
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.

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

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT11)

Bearing - TRB (Tapered Roller Bearing)

from

$15.99
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 – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

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

from

$13.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

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

Schaeffler – Cone (Part No.KL68149)

Cone

from

$12.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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

Schaeffler – Cup (Part No.M88010)

Cup

from

$10.99
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

National – Bearing Race (Part No.JL69310)

Bearing Race

from

$7.99
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

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

Cross Pin Bolt

from

$6.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 bolt car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
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Best-Selling 1975 Dodge D100 Differential Covers

Upgrade your D100 with one of our 3 best-selling Differential Covers.

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

Steel Cover for Chrysler 8.25"

from

$159.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits Chrysler 8.25″
  • Steel
See More

Yukon Gear – Chrome cover for Chrysler 9.25 (Part No.32001)

Chrome cover for Chrysler 9.25

from

$73.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:
  • Fits Chrysler 9.25″ rear
  • Chrome
See More

Yukon Gear – Steel Cover for Chrysler 9.25" Rear (Part No.32314)

Steel Cover for Chrysler 9.25" Rear

from

$93.99
These Yukon replacement diff covers are a direct bolt-on.

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

Top-Quality Rear Differential Cover Gaskets for 1975 Dodge D100s

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for Dodge D100s and enjoy top-notch performance from $8.29.

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

Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket

from

$8.29
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

Spicer – Performance Differential Gasket – Chrysler 9.25 In. (Part No.RD52006)

Performance Differential Gasket - Chrysler 9.25 In.

from

$47.99
Spicer performance differential cover gaskets offer all-makes coverage for street, strip, drag, and off-road applications. These gaskets are reusable offering a clean release during replacement. Built with a mechanically and chemically bonder woven steel.

Product Features:
  • Made to adhere without messy RTV sealant This saves on install time by eliminating the time needed for RTV cure.
  • Provides no re-torque design with maximum compression and sealing.
  • Manufactured with proprietary high-density performance material.
  • Made in the USA.
See More

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

8.25" Chrysler Cover Gasket

from

$12.99
8.25″ Chrysler cover gasket.

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

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

9.25" Chrysler Rear Cover Gasket

from

$12.99
9.25″ Chrysler rear cover gasket.

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

Victor Reinz – Differential Cover Gasket (Part No.71-14825-00)

Differential Cover Gasket

from

$8.49
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.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
See More

Top Picks for 1975 Dodge D100 Differential Oil

Invest in one of our 5 durable Differential Oil for your 1975 Dodge, knowing you’re getting trusted brands and expert craftsmanship.

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

3 Qt - 80W90 Conventional Gear Oil with Posi Additive

from

$57.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
See More

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
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 Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

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 Heavy Shockproof Gear Oil is formulated to provide lasting protection.

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 Heavy Shockproof Gear Oil is formulated to provide lasting protection.

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

Top-Rated Rear Housing Cover Gaskets for 1975 Dodge D100s

Make a smart move for your 1975 Dodge D100 with products all priced from $7.49 to $10.49.

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

Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket

from

$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

Victor Reinz – Axle Housing Cover Gasket (Part No.71-14836-00)

Axle Housing Cover Gasket

from

$10.29
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.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
See More

Victor Reinz – Axle Housing Cover Gasket (Part No.71-14807-00)

Axle Housing Cover Gasket

from

$7.49
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.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
See More

Top-Rated Differential Brands For Your 1975 Dodge D100

When it comes to finding the perfect Differential for your 1975 Dodge D100, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Differential brands including Felpro, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.29. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1975 Dodge D100, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1975 Dodge D100 Differentials

If you’re looking for a top-quality Differential for your 1975 Dodge D100, 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 $7.49 and an average cost of $8.76, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1975 Dodge D100 come highly rated, with over 56 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.
Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
from $7.49
(1)
Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
“It just what i needed for my 74 cuda rear end house which is 8 3/4”
Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
from $8.29
(21)
Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
“I always use Fel-Pro gaskets they’re the best, but this gasket to replace the differential gasket on my son’s Jeep when I did a fluid change work and ”

Top-Quality National 1975 Dodge D100 Differentials

For those in search of a high-quality Differential for their 1975 Dodge D100, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $7.29, with an average price of $17.09, giving you a range of options to suit your budget. Backed by over 20 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.
Bearing Race
from $7.29
(6)
Bearing Race
“perfect fit”
Tapered Roller Bearing Cone
from $25.99
(7)
Tapered Roller Bearing Cone
“Good price”
Multi-Purpose Bearing
from $17.99
(7)
Multi-Purpose Bearing
“Comparable with the Timkens I removed. NATIONAL bearings have lasted decades in many of my other machines.”

FAQs for 1975 Dodge D100 Differentials

What are the best-selling Differentials for 1975 Dodge D100s?

Out of 164 Differentials that fit 1975 Dodge D100s, the following parts are the top sellers:

What’s the price range for 1975 Dodge D100 Differentials?

The prices of Differentials for the 1975 Dodge D100 range from $2.29 up to $1,034.99 for the most premium parts.

What is the average price of a Differential for a 1975 Dodge D100?

The average price for Differentials for the 1975 Dodge D100 is $205.15. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Dodge D100 model years?

Yes, we carry Differentials for 9 model years of Dodge D100s between 1976 and 1989. The following model years are the most popular for Differential purchases: 1989, 1988, 1987, 1986, 1985, 1984, 1979, 1978, and 1977.

What are the cheapest Differentials for my 1975 Dodge D100?

The cheapest 1975 Dodge D100 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1975 Dodge models?

Yes. We stock Differentials for 15 other popular 1975 Dodge models. Some of the most popular are 1975 Charger Differentials, 1975 Dart Differentials, 1975 Ramcharger Differentials, 1975 Monaco Differentials, and 1975 W100 Differentials.

What are the top-rated Differentials that fit the 1975 Dodge D100?

The one 1975 Dodge D100 Differential we have in stock is the Differential Crush Sleeve. It costs $2.29.

What types of Differentials do you sell for my 1975 Dodge D100?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1975 Dodge D100:

Can I get help with 1975 Dodge D100 Differential orders?

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

What is your return policy for Dodge D100 Differentials?

Advance Auto Parts keeps returns simple. For new Dodge D100 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.