1993 Buick Roadmaster Differentials
Keep Your 1993 Buick Roadmaster in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1993 Buick Roadmaster looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including , , and . 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 National, Motive Gear, and Dorman. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Motive Gear and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 2,201 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Roadmaster owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1993 Buick Roadmaster Differential at Advance Auto Parts is around $168.57, with a range that starts at $2.59 and goes up to $1,566.99. With 115 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, Multi-Purpose Bearing, and 3 Qt – 80W90 Conventional Gear Oil With Posi Additive start at just $10.99 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 1993 Buick Roadmaster in peak condition, inside and out.
Essential 1993 Buick Roadmaster Differentials
Dorman – Differential Yoke including Seal and Pinion Nut (Part No.697-500)
from
$139.99
Worn or damaged differential end yoke causing driveline vibrations- This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this differential end yoke matches the fit and construction of the original yoke
- Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
- Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
- Validated fit – this differential end yoke has been tested to confirm accurate fit
Pro-King – Differential Cover Gasket (Part No.742G303A)
from
$31.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
National – Bearing Race (Part No.LM501314)
from
$11.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
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
Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)
from
$66.99
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!
Product Features:
See More
Product Features:
- For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
- The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
- Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
- Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
- Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)
from
$1566.99
21 Piece bearing race driver set. (Box wt: 140lbs) No return.
Product Features:
See More
Product Features:
- Bearing race driver set
- 21 pieces
- All steel construction
Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)
from
$10.99
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:
See More
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
Motive Gear – Differential Carrier Gear Kit (Part No.GM7.6BI)
Powertrax – Grip LS Traction System (Part No.LS201030)
from
$503.99
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!
See More
Motive Gear – Pinion Nut (Part No.1260823)
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.
See More
National – Shaft Repair Sleeve (Part No.99193)
from
$43.99
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:
See More
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
Powertrax – Grip LS Traction System (Part No.LS247528)
from
$499.99
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!
See More
Richmond Gear – RngPnn (Part No.69-0175-1)
from
$407.99
RngPnn
Schaeffler – Shaft Seal (Part No.SS2588)
from
$30.49
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:
See More
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
Motive Gear – Differential Gear Install Kit (Part No.GM7.5IK)
Pro-King – Differential Cover Plug (Part No.742G484)
from
$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
Pro-King – Differential Cross Shaft (Part No.742G930)
from
$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
Richmond Gear – Differential Spool Bearing Kit (Part No.29-0013-1)
from
$58.99
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!
Product Features:
See More
Product Features:
- For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
- The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
- Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
- Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
- Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
Pro-King – Differential Internal Nest Kit (Part No.742G717A)
from
$179.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
Motive Gear – Differential Carrier (Part No.GM8.6L)
from
$221.99
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 o
See More
Motive Gear – Ring Gear Bolt (Part No.14066913)
Motive Gear – Differential Spool (Part No.FS10-28)
Pro-King – Differential Crush Sleeve (Part No.742G034)
from
$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
Pro-King – Differential Pinion Gear Washer (Part No.742G216)
from
$2.59
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
Motive Gear – Differential Pinion Shim Kit (Part No.1104)
Richmond Gear – RngPnnInstlKt (Part No.83-1021-1)
from
$182.99
RngPnnInstlKt
Pro-King – Differential Cross Shaft (Part No.742G673)
from
$28.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
National – Multi-Purpose Bearing (Part No.KC-11445-Y)
from
$69.99
Product Features:
See More
- 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
Motive Gear – Differential Mini Spool (Part No.MS10-28)
Popular 1993 Buick Roadmaster Differentials Categories
Most Popular Rear Housing Cover Gasket for 1993 Buick Roadmasters
Enhance your 1993 Buick Roadmaster with this popular Rear Housing Cover Gasket we have in stock, for $10.99.
Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)
from
$10.99
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:
See More
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
Best-Selling 1993 Buick Roadmaster Differential Bearings
Upgrade your Roadmaster with one of our 2 best-selling Differential Bearings, earning an average 5 stars rating across 28 reviews.
National – Multi-Purpose Bearing (Part No.A-6)
from
$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
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
Driveworks – Taper Bearing Cone (Part No.S-LM-501349)
from
$10.99
Value-priced bearing meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
Top-Quality Differential Oil for 1993 Buick Roadmasters
Choose a high-quality OEM or aftermarket Differential Oil for Buick Roadmasters and enjoy top-notch performance from $35.99.
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)
from
$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.
Product Features:
See More
Product Features:
- Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)
from
$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.
Product Features:
See More
Product Features:
- Includes three quarts of conventional oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)
from
$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.
Product Features:
See More
Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)
from
$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.
Product Features:
See More
Product Features:
- Includes three quarts of Redline Shockproof oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
from
$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.
Product Features:
See More
Product Features:
- Includes four quarts of Redline Shockproof oil
Our Top Pick for a 1993 Buick Roadmaster Rear Differential Cover Gasket
Invest in a
durable Rear Differential Cover Gasket for your 1993 Buick, knowing you’re getting trusted brands and expert craftsmanship.
Pro-King – Differential Cover Gasket (Part No.742G303A)
from
$31.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
Top-Rated Differential Covers for 1993 Buick Roadmasters
Make a smart move for your 1993 Buick Roadmaster with products all priced from $21.99 to $37.99.
Dorman – Differential Cover (Part No.697-700)
from
$37.99
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:
See More
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
ATP – DIFF COVER KIT (Part No.111101)
from
$35.99
DIFF COVER KIT
Pro-King – Differential Carrier Cover (Part No.742G758A)
from
$21.99
Pro-King High Quality Differential Products are designed for trouble free installation and setup.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications
Top-Rated Differential Brands For Your 1993 Buick Roadmaster
When it comes to finding the perfect Differential for your 1993 Buick Roadmaster, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 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 1993 Buick Roadmaster, providing peace of mind with parts that meet or exceed OEM standards.
Popular National 1993 Buick Roadmaster Differentials
If you’re looking for a top-quality Differential for your 1993 Buick Roadmaster, 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 $11.99 and an average cost of $24.32, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1993 Buick Roadmaster come highly rated, with over 29 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.
from
$43.99
(2)
Shaft Repair Sleeve
“As a mechanic I dont have time or money to waste on inferior products, which this is not.
Great product,great price”
Top-Quality Dorman 1993 Buick Roadmaster Differentials
For those in search of a high-quality Differential for their 1993 Buick Roadmaster, 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 $61.59, giving you a range of options to suit your budget. Backed by over 35 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.
from
$37.99
(14)
Differential Cover
“Heavy steel with the original magnet. Fits like original.. Not a cheap stamping by any means”
from
$139.99
(10)
Differential Yoke including Seal and Pinion Nut
“Will this fot 2001 jeep grand cherokee 4.0 limited with dana 35 read end”
FAQs for 1993 Buick Roadmaster Differentials
What are the best-selling Differentials for 1993 Buick Roadmasters?
Out of 115 Differentials that fit 1993 Buick Roadmasters, the following parts are the top sellers:
- Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (5185823) – $10.99
- Multi-Purpose Bearing (3275973) – $16.99
- 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
What’s the price range for 1993 Buick Roadmaster Differentials?
The prices of Differentials for the 1993 Buick Roadmaster range from $2.59 up to $1,566.99 for the most premium parts.
What is the average price of a Differential for a 1993 Buick Roadmaster?
The average price for Differentials for the 1993 Buick Roadmaster is $168.57. 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 Buick Roadmaster model years?
What are the cheapest Differentials for my 1993 Buick Roadmaster?
The cheapest 1993 Buick Roadmaster Differentials we carry are:
- Differential Pinion Gear Washer (10282533) – $2.59
- Ring Gear Bolt (20520168) – $2.99
- Differential Crush Sleeve (10282146) – $2.99
- Differential Ring Gear Bolt (10282159) – $2.99
- Differential Cross Shaft (10282201) – $2.99
Does Advance Auto Parts sell Differentials for any other 1993 Buick models?
Yes. We stock Differentials for 5 other popular 1993 Buick models. Some of the most popular are 1993 Regal Differentials, 1993 Century Differentials, 1993 LeSabre Differentials, and 1993 Riviera Differentials.
What are the top-rated Differentials that fit the 1993 Buick Roadmaster?
Based on 2,201 reviews by customers, our 1993 Buick Roadmaster Differentials have an average customer rating of 4 stars. These are the highest-rated categories of Differentials for the 1993 Buick Roadmaster and their top-rated products:
- Differential Carriers
- Grip LS Traction System (11470453) – $503.99
- Differential Pinion Shims
- Differential Pinion Shim Kit (20520100) – $7.99
What types of Differentials do you sell for my 1993 Buick Roadmaster?
As of 3/1/26, these are some of the most in-demand types of Differentials for a 1993 Buick Roadmaster:
Can I get help with 1993 Buick Roadmaster Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Differentials and more.
What is your return policy for Buick Roadmaster Differentials?
Advance Auto Parts keeps returns simple. For new Buick Roadmaster Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.