1984 Cadillac Commercial Chassis Differentials

Keep Your 1984 Cadillac Commercial Chassis in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1984 Cadillac Commercial Chassis looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Pinion Seals, and Differential Covers. 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, Valvoline, and FELPRO. For example, National Differentials start at just $10.49 with an average 4.3 star rating. Valvoline and FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 334 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac Commercial Chassis owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1984 Cadillac Commercial Chassis Differential at Advance Auto Parts is around $91.26, with a range that starts at $5.29 and goes up to $551.99. With 39 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like Bearings, Differential Shaft Lock Bolt, and Bearings start at just $5.99 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 1984 Cadillac Commercial Chassis in peak condition, inside and out.

Essential 1984 Cadillac Commercial Chassis Differentials

Dorman – Help – Pinion Crush Sleeves (Part No.81057)

Pinion Crush Sleeves

from

$5.29
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles.
  • Required replacement – when servicing the differential
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Powertrax – Grip LS Traction System (Part No.LS231230)

Grip LS Traction System

from

$480.99
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

FAG US – CONE (Part No.KM88048)

CONE

from

$19.49
CONE

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

Differential Shaft Lock Bolt

from

$5.99
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

National – Bearings (Part No.A-5)

Bearings

from

$17.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Richmond Gear – Differential Spool Bearing Kit (Part No.29-0013-1)

Differential Spool Bearing Kit

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:
  • 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.
See More

Dorman – Rear Differential Cover (Part No.697-700)

Rear Differential Cover

from

$32.99
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:
  • 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
See More

ATP – DIFF COVER KIT (Part No.111101)

DIFF COVER KIT

from

$35.99
DIFF COVER KIT

National – Bearings (Part No.HM89210)

Bearings

from

$14.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

National – Bearings (Part No.HM803110)

Bearings

from

$22.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

FAG US – SHAFT SEAL (Part No.SS2983)

SHAFT SEAL

from

$14.29
SHAFT SEAL

Driveworks – Oil Seal (Part No.S-8610)

Oil Seal

from

$5.29
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Shaft Repair Sleeve (Part No.99152)

Shaft Repair Sleeve

from

$44.99
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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Driveworks – Wheel Bearing (Part No.S-R1581-TV)

Wheel Bearing

from

$27.99
Product Features:
  • Brand may vary by location
See More

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4101)

Differential Pinion Solid Spacer Kit w/Shims

from

$53.99


Product Features:
  • GM12 BOLT CAR SOLID SPACER & SHIMS
See More

Powertrax – No-Slip Traction System (Part No.9207883005)

No-Slip Traction System

from

$551.99
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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

    Felpro – Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket (Part No.RDS 55029)

    Axle Housing Cover Gasket Oval Shaped 12 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:
    • 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
    See More

    Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    from

    $7.99
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

    Differential Gear Install Kit

    from

    $65.99


    Product Features:
    • MINI INSTALL KIT GM 8.5 REAR
    See More

    Motive Gear – Differential Bearing Kit – Timken (Part No.R10RT)

    Differential Bearing Kit - Timken

    from

    $99.99
    Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

    Product Features:
    • KIT BRG. & SEAL GM 10 BOLT 8.5″ NON IFS FRONT / REAR
    See More

    National – Bearings (Part No.HM89449)

    Bearings

    from

    $25.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    National – Bearings (Part No.M86649)

    Bearings

    from

    $18.79
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    National – Wheel Bearing and Seal Kit (Part No.RA-320)

    Wheel Bearing and Seal Kit

    from

    $151.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Spindle bearing and seal kit
    • Includes all components required to complete the repair
    • Controlled heat treating process for lasting performance and extended bearing life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Driveworks – Wheel Bearing Kit (Part No.S-RA-321)

    Wheel Bearing Kit

    from

    $141.99
    Product Features:
    • Brand may vary by location
    See More

    Motive Gear – Differential Bearing Kit – Koyo (Part No.R10RE)

    Differential Bearing Kit - Koyo

    from

    $104.99
    Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

    Product Features:
    • GM 10 BOLT 8.5″ BRG KIT W/EATON OR AUBURN PRO
    See More

    Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $14.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • 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
    See More

    Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)

    DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon

    from

    $38.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, MERCON LV and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • 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
    See More

    Most Popular Differential Oil for 1984 Cadillac Commercial Chasses

    Enhance your 1984 Cadillac Commercial Chassis with one of the 2 Differential Oil we have in stock, starting at just $14.49.

    Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)

    DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon

    from

    $38.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, MERCON LV and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • 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
    See More

    Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $14.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • 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
    See More

    Best-Selling 1984 Cadillac Commercial Chassis Differential Pinion Seals

    Upgrade your Commercial Chassis with one of our 3 best-selling Differential Pinion Seals, earning an average 3.75 stars rating across 7 reviews.

    National – Multi Purpose Seal (Part No.8610)

    Multi Purpose Seal

    from

    $16.29
    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:
    • Low swell in hydrocarbon fluids
    • Design type: spring loaded; multi-lip
    • Provides good low temperature capability
    • Temperature range: -40°F to 225°F; -40°C to 107°C
    • Delivers quality and reliable performance for every type of repair
    See More

    Driveworks – Oil Seal (Part No.S-8610)

    Oil Seal

    from

    $5.29
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    FAG US – SHAFT SEAL (Part No.SS2983)

    SHAFT SEAL

    from

    $14.29
    SHAFT SEAL

    Top-Quality Differential Covers for 1984 Cadillac Commercial Chasses

    Choose a high-quality OEM or aftermarket Differential Cover for Cadillac Commercial Chasses and enjoy top-notch performance from $32.99.

    Dorman – Rear Differential Cover (Part No.697-700)

    Rear Differential Cover

    from

    $32.99
    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:
    • 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
    See More

    ATP – DIFF COVER KIT (Part No.111101)

    DIFF COVER KIT

    from

    $35.99
    DIFF COVER KIT

    Our Top Pick for a 1984 Cadillac Commercial Chassis Pinion Shaft Bearing

    Invest in a durable Pinion Shaft Bearing for your 1984 Ford, knowing you’re getting trusted brands and expert craftsmanship.

    National – Bearings (Part No.A-5)

    Bearings

    from

    $17.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Top-Rated Rear Differential Cover Gaskets for 1984 Cadillac Commercial Chasses

    Make a smart move for your 1984 Cadillac Commercial Chassis with products all priced from $7.99 to $9.99.

    Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    from

    $7.99
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

    from

    $9.99
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • 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
    See More

    Top-Rated Differential Brands For Your 1984 Cadillac Commercial Chassis

    When it comes to finding the perfect Differential for your 1984 Cadillac Commercial Chassis, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 trusted brands. We carry the most popular Differential brands including Valvoline, FELPRO, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1984 Cadillac Commercial Chassis, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Valvoline 1984 Cadillac Commercial Chassis Differentials

    If you’re looking for a top-quality Differential for your 1984 Cadillac Commercial Chassis, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 2 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.49 and an average cost of $26.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1984 Cadillac Commercial Chassis come highly rated, with over 4 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.
    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
    from $14.49
    (2)
    DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
    “I’ve used this in my 2005 2500HD since I bought the truck with 20k on it now at 280k changed every other year maybe 40k I’d put on in two years, I pu”
    DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon
    from $38.49
    (2)
    DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon
    “I’ve used this in my 2005 2500HD since I bought the truck with 20k on it now at 280k changed every other year maybe 40k I’d put on in two years, I pu”

    Top-Quality FELPRO 1984 Cadillac Commercial Chassis Differentials

    For those in search of a high-quality Differential for their 1984 Cadillac Commercial Chassis, Advance Auto Parts offers a great selection of FELPRO Differentials. With 2 FELPRO 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 $7.99, with an average price of $8.99, giving you a range of options to suit your budget. Backed by over 240 customer ratings and an average rating of 4.6 stars, FELPRO Differentials provide both reliability and excellent performance. Choosing a FELPRO Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    from $7.99
    (45)
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    “Fit was right on no problems with alignment on cover.”

    FAQs for 1984 Cadillac Commercial Chassis Differentials

    What are the best-selling Differentials for 1984 Cadillac Commercial Chasses?

    Out of 39 Differentials that fit 1984 Cadillac Commercial Chasses, the following parts are the top sellers:

    What’s the price range for 1984 Cadillac Commercial Chassis Differentials?

    The prices of Differentials for the 1984 Cadillac Commercial Chassis range from $5.29 up to $551.99 for the most premium parts.

    What is the average price of a Differentials Differential for a 1984 Cadillac Commercial Chassis?

    The average price for Differentials for the 1984 Cadillac Commercial Chassis is $91.26. 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 Cadillac Commercial Chassis model years?

    Yes, we carry Differentials for 37 model years of Cadillac Commercial Chasses between 1946 and 1983. The following model years are the most popular for Differential purchases: 1983, 1982, 1981, 1980, 1979, 1978, 1977, 1976, and 1975.

    What are the cheapest Differentials for my 1984 Cadillac Commercial Chassis?

    The cheapest 1984 Cadillac Commercial Chassis Differentials we carry are:

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

    Yes. We stock Differentials for 4 other popular 1984 Cadillac models. Some of the most popular are 1984 DeVille Differentials, 1984 Eldorado Differentials, 1984 Seville Differentials, 1984 Fleetwood Differentials, and 1984 Cimarron Differentials.

    What are the top-rated Differentials that fit the 1984 Cadillac Commercial Chassis?

    The one 1984 Cadillac Commercial Chassis Differential we have in stock is the Pinion Crush Sleeves. It costs $5.29.

    What types of Differentials do you sell for my 1984 Cadillac Commercial Chassis?

    As of 4/10/25, these are some of the most in-demand types of Differentials for a 1984 Cadillac Commercial Chassis:

    Can I get help with 1984 Cadillac Commercial Chassis Differential orders?

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

    What is your return policy for Cadillac Commercial Chassis Differentials?

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