1984 Buick Century Differentials

Name: Differential Pinion Gear Washer
Brand: Pro-King
SKU: 742G216
Price: 2.59 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1984 Buick Century in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1984 Buick Century looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Bearings, and Differential Crush Sleeves. 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 and Valvoline. For example, National Differentials start at just $17.99 with an average 4.3 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 6,756 reviews and a solid 5 star average, you can shop with confidence knowing other Buick Century owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1984 Buick Century Differential at Advance Auto Parts is around $15.83, with a range that starts at $2.49 and goes up to $43.99. With 13 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose Bearing, Shaft Repair Sleeve, and Camshaft Seal start at just $17.99 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1984 Buick Century in peak condition, inside and out.

Looking for the perfect Differential for your 1984 Buick Century? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Buick Century. Whether you’re driving a 1984 model or another popular model year like 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1984 Buick Century Differentials

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$2.59

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

Product Features:

Meets or exceeds OE specifications

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$2.49

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

Product Features:

Meets or exceeds OE specifications

from

$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

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$10.99

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

Product Features:

Meets or exceeds OE specifications

from

$7.99

High-quality Differential Component Shim

Product Features:

SHIM KIT FITS-8.25-F7.5-AMC20-GM0

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$10.79

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$14.29

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

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$4.99

This engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles. It is engineered to replace a missing or damaged plug & help ensure a secure seal.

Product Features:

Direct replacement – this engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles.
Ideal solution – engineered to replace a missing or damaged plug and help ensure a secure seal
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$27.99

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN: Engineered to meet OE specifications
COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

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$17.99

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN: Engineered to meet OE specifications
COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$6.99

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

from

$2.79

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.

from

$4.99

from

$28.49

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

Product Features:

Meets or exceeds OE specifications

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$18.99

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

Product Features:

Meets or exceeds OE specifications

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

from

$2.99

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

Product Features:

Meets or exceeds OE specifications

from

$19.99

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

Product Features:

Meets or exceeds OE specifications

from

$8.99

High-quality Differential Carrier Shim Kit

Product Features:

CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON

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$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:

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

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$23.99

Product Features:

Brand may vary by location

Popular 1984 Buick Century Differentials Categories

Differential Oil

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Pinion Pilot Bearings

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Pinion Supports

Differential Drain Plugs

Differential Crush Sleeves

Differential Pinion Shims

Differential Pinion Gear Thrust Washers

Most Popular Differential Oil for 1984 Buick Centuries

Enhance your 1984 Buick Century with one of the 2 Differential Oil we have in stock, starting at just $28.99.

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$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:

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

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$28.99

Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.

Product Features:

Enhanced friction durability for smooth transmission performance
Superior high temperature protection to effectively resist oxidation
Unsurpassed protection against copper corrosion
Broad scope of vehicle applications improves workshop efficiency and inventory management
ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2

Best-Selling 1984 Buick Century Differential Bearing

Upgrade your Century with our best-selling Differential Bearing with a 4.5 Starts rating across 36 reviews.

show more show less

from

$17.99

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN: Engineered to meet OE specifications
COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

Top-Quality Differential Crush Sleeves for 1984 Buick Centuries

Choose a high-quality OEM or aftermarket Differential Crush Sleef for Buick Centuries and enjoy top-notch performance from $3.99.

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from

$3.99

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

Product Features:

Meets or exceeds OE specifications

Our Top Pick for a 1984 Buick Century Differential Pinion Shaft Lock Bolt

Invest in a durable Differential Pinion Shaft Lock Bolt for your 1984 Buick, knowing you’re getting trusted brands and expert craftsmanship.

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from

$2.99

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

Product Features:

Meets or exceeds OE specifications

Our Differential Pinion Seals for 1984 Buick Centuries

Make a smart move for your 1984 Buick Century with our Differential Pinion Seal for $14.29.

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from

$14.29

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Top-Rated Differential Brands For Your 1984 Buick Century

When it comes to finding the perfect Differential for your 1984 Buick Century, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Differential brands including Valvoline and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $17.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1984 Buick Century, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1984 Buick Century Differentials

If you’re looking for a top-quality Differential for your 1984 Buick Century, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1984 Buick Century come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $35.99

(446)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

“Good quality great price”

Top-Quality National 1984 Buick Century Differentials

For those in search of a high-quality Differential for their 1984 Buick Century, 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 $17.99, with an average price of $30.99, giving you a range of options to suit your budget. Backed by over 38 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.

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”

from $17.99

(36)

Multi-Purpose Bearing

“High quality.”

FAQs for 1984 Buick Century Differentials

What are the best-selling Differentials for 1984 Buick Centuries?

Out of 13 Differentials that fit 1984 Buick Centuries, the following parts are the top sellers:

Multi-Purpose Bearing (3275787) – $17.99
Shaft Repair Sleeve (3271765) – $43.99
Camshaft Seal (11494113) – $23.99

What’s the price range for 1984 Buick Century Differentials?

The prices of Differentials for the 1984 Buick Century range from $2.49 up to $43.99 for the most premium parts.

What is the average price of a Differential for a 1984 Buick Century?

The average price for Differentials for the 1984 Buick Century is $15.83. 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 Century model years?

Yes, we carry Differentials for 36 model years of Buick Centuries between 1954 and 2005. The following model years are the most popular for Differential purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Differentials for my 1984 Buick Century?

The cheapest 1984 Buick Century Differentials we carry are:

Differential Pinion Gear Washer (10593184) – $2.49
Differential Cross Shaft (10282201) – $2.99
Differential Crush Sleeve (10593152) – $3.99
Standard Engine Oil Drain Plug: M20-1.50 Thread, 17 mm Head (Sold by each) (12026346) – $4.99
Differential Carrier Shim Kit (10593235) – $10.99

Does Advance Auto Parts sell Differentials for any other 1984 Buick models?

Yes. We stock Differentials for 5 other popular 1984 Buick models. Some of the most popular are 1984 Regal Differentials, 1984 LeSabre Differentials, 1984 Skylark Differentials, 1984 Riviera Differentials, and 1984 Electra Differentials.

What are the top-rated Differentials that fit the 1984 Buick Century?

The one 1984 Buick Century Differential we have in stock is the Differential Pinion Gear Washer. It costs $2.49.

What types of Differentials do you sell for my 1984 Buick Century?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1984 Buick Century:

Can I get help with 1984 Buick Century 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 Century Differentials?

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

1984 Buick Century Differentials

Pro-King – Differential Pinion Gear Washer (Part No.742G216)

Pro-King – Differential Pinion Gear Washer (Part No.741A216)

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

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Pro-King – Differential Carrier Shim Kit (Part No.741A202)

Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Driveworks – Oil Seal (Part No.S-2043)

Schaeffler – Shaft Seal (Part No.SS2983)

Needa Parts – Standard Engine Oil Drain Plug: M20-1.50 Thread, 17 mm Head (Sold by each) (Part No.090-040)

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

National – Multi-Purpose Bearing (Part No.A-18)

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Dorman – Help – Pinion Crush Sleeves (Part No.81058)

Motive Gear – Crush Sleeve (Part No.9785792)

Motive Gear – Crush Sleeve (Part No.1234726)

Pro-King – Differential Cross Shaft (Part No.742G673)

Pro-King – Differential Cross Shaft (Part No.741A673)

Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

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

Pro-King – Differential Carrier Shim Kit (Part No.741A200)

Motive Gear – Differential Carrier Shim Kit (Part No.1101)

National – Shaft Repair Sleeve (Part No.99193)

Driveworks – Camshaft Seal (Part No.S-99139)

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)

National – Multi-Purpose Bearing (Part No.A-18)

Pro-King – Differential Crush Sleeve (Part No.741A034)

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

Schaeffler – Shaft Seal (Part No.SS2983)