1985 Oldsmobile Firenza Drivetrains

Essential Drivetrains for 1985 Oldsmobile Firenzas

Dorman – Spindle Nut (Part No.05170)

Spindle Nut

from

$9.29
Our Spindle Nut is manufactured for high corrosion resistance and a long service life. Depending on the application, it is also available in a kit that includes the nut, washer, and retainer.

Product Features:
  • Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this nut 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.15245)

Bearings

from

$9.99
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.A-5)

Bearings

from

$16.99
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 – TAPERED ROLLER BEARI (Part No.KT5)

TAPERED ROLLER BEARI

from

$16.49
TAPERED ROLLER BEARI

Dorman – Help – C.V. Joint Bolted Split Boot Kit Front Outer (Part No.03662)

C.V. Joint Bolted Split Boot Kit Front Outer

from

$35.99
Our CV Joint Boots provide various methods of eliminating the removal of the CV joint during installation. Uni-Fit boots can be stretched over the CV Joint and Quick Boots come in halves.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Help – Universal C.V. Joint Boot Kit Front Outer (Part No.03680)

Universal C.V. Joint Boot Kit Front Outer

from

$23.99
Our CV Joint Boots provide various methods of eliminating the removal of the CV joint during installation. Uni-Fit boots can be stretched over the CV Joint and Quick Boots come in halves.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Rare Parts – Axle Support Bushing (Part No.RP16182)

Axle Support Bushing

from

$37.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Reduces vibration
  • UV resistant
  • Natural rubber
  • No Squeak
See More

FAG US – SHAFT SEAL (Part No.SS2421)

SHAFT SEAL

from

$14.29
SHAFT SEAL

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

Camshaft Seal

from

$23.99
Product Features:
  • Brand may vary by location
See More

Dorman – Spindle Washer – I.D. 20.2mm O.D. 39.8mm Thickness 4.1mm (sold by each) (Part No.618-026)

Spindle Washer - I.D. 20.2mm O.D. 39.8mm Thickness 4.1mm (sold by each)

from

$3.49
This spindle nut washer 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 spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
  • 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

Royal Purple – High Performance SAE 5W30 Synthetic Motor Oil, API Certified, 1 QT (Part No.01530)

High Performance SAE 5W30 Synthetic Motor Oil, API Certified, 1 QT

from

$12.99
High Performance Motor Oil API LICENSED MOTOR OIL Royal Purple High Performance Motor Oil combines premium base oils with proprietary additive technologies to create a high performance synthetic engine oil that optimizes performance and protection. Royal Purple High Performance Motor Oils carry the current API and ILSAC engine oil licenses, as well as the GM dexos1 gasoline engine oil approval. ILSAC GF-6 AND GM DEXOS1 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads across all engine speeds. This has caused increased wear in critical areas of the engine, and created a destructive phenomenon called low-speed pre-ignition (LSPI). The unique, state-of-the-art additive technology in Royal Purple High Performance engine oils is designed specifically to address these issues, and help engines maintain performance and reliability.

Product Features:
  • Better Wear Protection
  • Increased Protection against Low Speed Pre-Ignition
  • Increased Fuel Efficiency
  • Better Protection for Vehicle Exhaust Emissions Equipment
  • Improved Compatibility with Fuels Containing Ethanol
  • Superior Corrosion Protection
  • Made in USA
See More

Royal Purple – HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart) (Part No.11744)

HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart)

from

$12.99
Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 1 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity.

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with royal purple’s proprietary additive technology
  • Hmx is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
  • High-Mileage Formula: Specifically designed for engines with more than 75,000 miles, this full synthetic engine oil helps minimize wear and restore lost performance.
See More

Carquest Premium – CV Axle Shaft Assembly (Part No.NCV10509)

CV Axle Shaft Assembly

from

$94.99
Carquest CV Axle’s are made from the finest materials using premium steel, boot, and grease. Carquest CV Axles are designed to exceed the original equipment specifications for a trouble free ride.

Product Features:
  • High moly CV joint grease with stainless-steel boot bands
See More

Carquest Premium – CV Axle Shaft Assembly (Part No.NCV10056)

CV Axle Shaft Assembly

from

$82.99
N

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% new axle and components
  • New axle nut or attaching hardware included when applicable
  • Bearings, races and housings are heat-treated for longer life
  • Precision-engineered seal mating surfaces for leak-free performance
  • High moly CV joint grease with stainless-steel boot bands
See More

Dorman – Help – Auto Transmission Case Vent (Part No.14689)

Auto Transmission Case Vent

from

$6.99
This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles.
  • Restores functionality – reliable replacement for an original vent that has failed due to blockage or 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

Driveworks – Oil Seal (Part No.S-3543)

Oil Seal

from

$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

FAG US – CONE (Part No.KL44649)

CONE

from

$13.29
CONE

FAG US – TAPERED ROLLER BEARI (Part No.KT4)

TAPERED ROLLER BEARI

from

$15.29
TAPERED ROLLER BEARI

FAG US – TAPERED ROLLER BEARI (Part No.30306A)

TAPERED ROLLER BEARI

from

$60.99
TAPERED ROLLER BEARI

Dorman – Split CV Boot – With Quick Drying Adhesive (Part No.614-700)

Split CV Boot - With Quick Drying Adhesive

from

$42.99
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Uni-Fit C.V. Joint Boot Kit Outer greater than 3.58 In. Diameter (Part No.614-003)

Uni-Fit C.V. Joint Boot Kit Outer greater than 3.58 In. Diameter

from

$32.99
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Uni-Fit C.V. Joint Boot Kit Inner up to 3.58 In. Diameter (Part No.614-002)

Uni-Fit C.V. Joint Boot Kit Inner up to 3.58 In. Diameter

from

$35.99
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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 – Shaft Repair Sleeve (Part No.99139)

Shaft Repair Sleeve

from

$39.99
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

National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
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

National – Shaft Repair Sleeve (Part No.99128)

Shaft Repair Sleeve

from

$41.99
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

Upgrade your 1985 Oldsmobile Firenza with Top-Quality Drivetrains

When it comes to maintaining or upgrading your 1985 Oldsmobile Firenza, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Oldsmobile or enhancing its overall performance, Drivetrains are key to keeping your Firenza functioning at its best. At Advance Auto Parts, we offer a wide selection of 34 Drivetrains for the 1985 Oldsmobile Firenza, designed to meet your needs without breaking the bank. From CV Axles and Joint replacements to Drive Shafts and Axles upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1985 Oldsmobile Firenza at great prices. Our Drivetrains inventory for this model ranges from just $3.49 to $149.99, with an average price of $24.18. Our 34 Drivetrains in stock come from 8 trusted brands, so you’re sure to find the right part for your 1985 Oldsmobile Firenza without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1985 Oldsmobile Firenza, we stock popular OEM and aftermarket Drivetrains from top names like Valvoline, Royal Purple, National, and more. Valvoline Drivetrains start at just $14.49 and boast an impressive 5 stars average rating from customers. Royal Purple and National also bring quality to the table, with Drivetrains available starting at $9.99, and at an average 5 stars rating. With 3,716 customer reviews and counting, our 1985 Oldsmobile Firenza Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1985 Oldsmobile Firenza is always ready to roll. We’re committed to providing you with everything you need to keep your Firenza in top shape, all in one place. Start shopping confidently below for your 1985 Oldsmobile Firenza!

Best-Selling CV Axles and Joints for 1985 Oldsmobile Firenzas

Enhance the driving experience in your Oldsmobile with 7 quality CV Axles and Joint components, starting at $23.99.

Dorman – Uni-Fit C.V. Joint Boot Kit Outer greater than 3.58 In. Diameter (Part No.614-003)

Uni-Fit C.V. Joint Boot Kit Outer greater than 3.58 In. Diameter

from

$32.99
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Uni-Fit C.V. Joint Boot Kit Outer up to 3.58 In. Diameter (Part No.614-001)

Uni-Fit C.V. Joint Boot Kit Outer up to 3.58 In. Diameter

from

$29.49
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Uni-Fit C.V. Joint Boot Kit Inner Greater Than 3.35 In. Diameter (Part No.614-004)

Uni-Fit C.V. Joint Boot Kit Inner Greater Than 3.35 In. Diameter

from

$29.99
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Uni-Fit C.V. Joint Boot Kit Inner up to 3.58 In. Diameter (Part No.614-002)

Uni-Fit C.V. Joint Boot Kit Inner up to 3.58 In. Diameter

from

$35.99
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Help – C.V. Joint Bolted Split Boot Kit Front Outer (Part No.03662)

C.V. Joint Bolted Split Boot Kit Front Outer

from

$35.99
Our CV Joint Boots provide various methods of eliminating the removal of the CV joint during installation. Uni-Fit boots can be stretched over the CV Joint and Quick Boots come in halves.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Help – Universal C.V. Joint Boot Kit Front Outer (Part No.03680)

Universal C.V. Joint Boot Kit Front Outer

from

$23.99
Our CV Joint Boots provide various methods of eliminating the removal of the CV joint during installation. Uni-Fit boots can be stretched over the CV Joint and Quick Boots come in halves.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Dorman – Split CV Boot – With Quick Drying Adhesive (Part No.614-700)

Split CV Boot - With Quick Drying Adhesive

from

$42.99
This CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this CV joint boot kit contains the parts required to repair the CV joint on specified vehicles without removing the joint itself.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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

Most Popular 1985 Oldsmobile Firenza Drive Shafts and Axles

Customize your Oldsmobile with 8 Drive Shafts and Axles products like Drive Shaft and Axles, Axle Shaft Seals, and Rear Axle Shaft Bearings, all priced under $149.99.

Driveworks – Oil Seal (Part No.S-3543)

Oil Seal

from

$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Carquest Premium – CV Axle Shaft Assembly (Part No.NCV10509)

CV Axle Shaft Assembly

from

$94.99
Carquest CV Axle’s are made from the finest materials using premium steel, boot, and grease. Carquest CV Axles are designed to exceed the original equipment specifications for a trouble free ride.

Product Features:
  • High moly CV joint grease with stainless-steel boot bands
See More

National – Bearings (Part No.A-5)

Bearings

from

$16.99
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 – Shaft Repair Sleeve (Part No.99128)

Shaft Repair Sleeve

from

$41.99
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

National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
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

Carquest Premium – CV Axle Shaft Assembly (Part No.NCV10043)

CV Axle Shaft Assembly

from

$149.99
Carquest Premium constant velocity (C.V.) axle shaft assemblies are 100% new units that are designed to meet or exceed OE specifications. Every part number is tested to guarantee a proper fit and reliable performance. Carquest Premium CV axles are assembl

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% new axle and components
  • New axle nut or attaching hardware included when applicable
  • Bearings, races and housings are heat-treated for longer life
  • Precision-engineered seal mating surfaces for leak-free performance
  • High moly CV joint grease with stainless-steel boot bands
See More

Carquest Premium – CV Axle Shaft Assembly (Part No.NCV10056)

CV Axle Shaft Assembly

from

$82.99
N

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% new axle and components
  • New axle nut or attaching hardware included when applicable
  • Bearings, races and housings are heat-treated for longer life
  • Precision-engineered seal mating surfaces for leak-free performance
  • High moly CV joint grease with stainless-steel boot bands
See More

Rare Parts – Axle Support Bushing (Part No.RP16182)

Axle Support Bushing

from

$37.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Reduces vibration
  • UV resistant
  • Natural rubber
  • No Squeak
See More

Top Picks for 1985 Oldsmobile Firenza Differentials

Upgrade Oldsmobile Firenzas with top-quality Differentials parts, including 11 OEM and aftermarket selections for your 1985 model.

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

Royal Purple – High Performance SAE 5W30 Synthetic Motor Oil, API Certified, 1 QT (Part No.01530)

High Performance SAE 5W30 Synthetic Motor Oil, API Certified, 1 QT

from

$12.99
High Performance Motor Oil API LICENSED MOTOR OIL Royal Purple High Performance Motor Oil combines premium base oils with proprietary additive technologies to create a high performance synthetic engine oil that optimizes performance and protection. Royal Purple High Performance Motor Oils carry the current API and ILSAC engine oil licenses, as well as the GM dexos1 gasoline engine oil approval. ILSAC GF-6 AND GM DEXOS1 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads across all engine speeds. This has caused increased wear in critical areas of the engine, and created a destructive phenomenon called low-speed pre-ignition (LSPI). The unique, state-of-the-art additive technology in Royal Purple High Performance engine oils is designed specifically to address these issues, and help engines maintain performance and reliability.

Product Features:
  • Better Wear Protection
  • Increased Protection against Low Speed Pre-Ignition
  • Increased Fuel Efficiency
  • Better Protection for Vehicle Exhaust Emissions Equipment
  • Improved Compatibility with Fuels Containing Ethanol
  • Superior Corrosion Protection
  • Made in USA
See More

Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium 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

National – Shaft Repair Sleeve (Part No.99139)

Shaft Repair Sleeve

from

$39.99
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

Valvoline – Transfer Case Fluid, 1 Quart (Part No.855459)

Transfer Case Fluid, 1 Quart

from

$14.99
Valvoline Multi-Vehicle Transfer Case Fluid is a full synthetic product meeting the performance needs for transfer cases recommending Ford XL-12 and GM Auto Trak II specifications or ATF fluids (DEX/MERC, ATF +4, etc).

Product Features:
  • Recommended for use in most Ford, GM and FCA (Dodge, Jeep) models
  • Formulated to help prevent gear wear and protect against rust and corrosion
  • Formulated to deliver enhanced protection against deposits
  • Helps provide better protection during extreme operating conditions
See More

Driveworks – Taper Bearing Set (Part No.S-A-18)

Taper Bearing Set

from

$10.79
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Bearings (Part No.15245)

Bearings

from

$9.99
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

Royal Purple – HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart) (Part No.11744)

HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart)

from

$12.99
Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 1 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity.

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with royal purple’s proprietary additive technology
  • Hmx is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
  • High-Mileage Formula: Specifically designed for engines with more than 75,000 miles, this full synthetic engine oil helps minimize wear and restore lost performance.
See More

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

Camshaft Seal

from

$23.99
Product Features:
  • Brand may vary by location
See More

FAG US – TAPERED ROLLER BEARI (Part No.KT5)

TAPERED ROLLER BEARI

from

$16.49
TAPERED ROLLER BEARI

FAG US – CUP (Part No.15245)

CUP

from

$8.89
CUP

In-Demand Spindles for 1985 Oldsmobile Firenzas

Select from 4 premium Spindles parts for your 1985 Oldsmobile Firenza, with prices ranging from $3.49 to $13.29.

Dorman – Staked Spindle Nut M20-1.5 Hex Size 30mm (Sold by each) (Part No.615-089)

Staked Spindle Nut M20-1.5 Hex Size 30mm (Sold by each)

from

$7.29
This spindle nut 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 spindle nut matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this nut 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

Dorman – Spindle Nut (Part No.05170)

Spindle Nut

from

$9.29
Our Spindle Nut is manufactured for high corrosion resistance and a long service life. Depending on the application, it is also available in a kit that includes the nut, washer, and retainer.

Product Features:
  • Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this nut 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

Dorman – Staked Spindle Nut M20-1.5 Hex Size 30mm (Part No.615-089.1)

Staked Spindle Nut M20-1.5 Hex Size 30mm

from

$13.29
This spindle nut 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 spindle nut matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this nut 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

Dorman – Spindle Washer – I.D. 20.2mm O.D. 39.8mm Thickness 4.1mm (sold by each) (Part No.618-026)

Spindle Washer - I.D. 20.2mm O.D. 39.8mm Thickness 4.1mm (sold by each)

from

$3.49
This spindle nut washer 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 spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
  • 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

Most Sold 1985 Oldsmobile Firenza Transfer Cases

Explore our best-selling Oldsmobile parts for the 1985 Firenza among 4 OEM and aftermarket options starting from $6.99.

Dorman – Help – Auto Transmission Case Vent (Part No.14689)

Auto Transmission Case Vent

from

$6.99
This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles.
  • Restores functionality – reliable replacement for an original vent that has failed due to blockage or 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.15101)

Bearings

from

$16.99
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 – TAPERED ROLLER BEARI (Part No.KT4)

TAPERED ROLLER BEARI

from

$15.29
TAPERED ROLLER BEARI

FAG US – CONE (Part No.KL44649)

CONE

from

$13.29
CONE

Top-Rated Drivetrains Brands For Your 1985 Oldsmobile Firenza

Shop for the best-rated brands offering Drivetrains and other products for your 1985 Oldsmobile Firenzas. Below you’ll find some of our best rated Drivetrains from Valvoline, Royal Purple, and National, and more. Drivetrains from these brands that fit a 1985 Firenza start at just $9.99 and are rated as high as 5 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

Popular Valvoline 1985 Oldsmobile Firenza Drivetrains

When it comes to maintaining or upgrading your 1985 Oldsmobile Firenza, using quality Drivetrains is essential to ensure durability and a perfect fit. Valvoline ticks all of those boxes. We offer a wide selection of Valvoline Drivetrains, specifically designed for the 1985 Oldsmobile Firenza. With over 3 Valvoline brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $14.49, with an average price of just $21.82. Plus, with over 55 customer reviews and an average rating of 5 stars, you can trust that our Valvoline Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

DEX/MERC Automatic Transmission Fluid, 1 Gallon
from
$35.99

(17)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

“Equivalent to oem”

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”

Transfer Case Fluid, 1 Quart
from
$14.99

(36)

Transfer Case Fluid, 1 Quart

“Did not have to use a lot”

Popular Royal Purple 1985 Oldsmobile Firenza Drivetrains

Royal Purple auto parts is one of the highest quality Drivetrain brands in the market. Any 1985 Oldsmobile Firenza owner should feel confident when installing genuine Royal Purple parts in their vehicle. To ensure the best fit and performance for your 1985 Firenza, Advance Auto Parts carries a full inventory of 2 Royal Purple Drivetrains. Plus you will be keeping your Oldsmobile in peak condition while saving money because prices on these Royal Purple Drivetrains range up to $12.99, plus, with more than 82 customer reviews and an impressive 5 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.

HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart)
from
$12.99
This product is not rated

HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart)

“”

FAQs for 1985 Oldsmobile Firenza Drivetrains

Which Drivetrains are best-sellers for 1985 Oldsmobile Firenzas?

Out of 34 Drivetrains that fit 1985 Oldsmobile Firenzas, the following parts are the top sellers:

What’s the price range for 1985 Oldsmobile Firenza Drivetrains?

Drivetrain prices for the 1985 Oldsmobile Firenza start at $3.49 and go up to $149.99 for the most premium parts.

What’s the average price of a Drivetrain for a 1985 Oldsmobile Firenza?

The average price for Drivetrains for the 1985 Oldsmobile Firenza is $24.18. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Drivetrains for other Oldsmobile Firenza model years?

Yes, we currently carry Drivetrains for 6 model years of Oldsmobile Firenzas between 1982 and 1988. Drivetrains are bought most frequently for the following model years: 1988, 1987, 1986, 1984, 1983, and 1982.

What are the cheapest Drivetrains for my 1985 Oldsmobile Firenza?

The cheapest 1985 Oldsmobile Firenza Drivetrains we carry in stock are:

What are the top-rated Drivetrains that fit the 1985 Oldsmobile Firenza?

Out of 3,716 reviews by customers, our 1985 Oldsmobile Firenza Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1985 Oldsmobile Firenza and their top-rated products:

What types of Drivetrains do you sell for my 1985 Oldsmobile Firenza?

As of 2/5/25, these are some of the most in-demand types of Drivetrains for a 1985 Oldsmobile Firenza:

Can I get help with 1985 Oldsmobile Firenza Drivetrain orders?

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

What is your return policy for Oldsmobile Firenza Drivetrains?

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