1985 Oldsmobile Cutlass Supreme Differentials

Essential 1985 Oldsmobile Cutlass Supreme Differentials

USA Standard Gear – Ring & Pinion Gear Set For GM 7.5" In A 3.08 Ratio (Part No.36193)

Ring & Pinion Gear Set For GM 7.5" In A 3.08 Ratio

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$334.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.08 ratio
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Motive Gear – Ring Gear Bolt (Part No.14066913)

Ring Gear Bolt

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$2.49


Product Features:
  • RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND
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Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

8.5" & 8.2" GM Carrier Installation Kit

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$109.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
  • Includes carrier bearings and races and “super” carrier shim kit
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Yukon Gear – Pinion Depth Shims For GM 7.5", 7.75", 8.2" & 12 Bolt Truck (Part No.55008)

Pinion Depth Shims For GM 7.5", 7.75", 8.2" & 12 Bolt Truck

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$21.99
Product Features:
  • Pinion depth shims for GM 7.5″, 7.625″, 7.6 IFS, 7.6 IRS, 7.75″, 8.2″, 1955-1964 passenger car and 12 bolt car and truck
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Pro-King – Differential Cross Shaft (Part No.742G930)

Differential Cross Shaft

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$2.79
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Driveworks – Wheel Bearing Kit (Part No.S-RA-321)

Wheel Bearing Kit

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$141.99
Product Features:
  • Brand may vary by location
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

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

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Yukon Gear – 7.5 & 7.625 Standard Open Pinion Gear Thrust Washer (Part No.33390)

7.5 & 7.625 Standard Open Pinion Gear Thrust Washer

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$8.99
7.5 & 7.625 Standard Open Pinion gear Thrust Washer.

Product Features:
  • Pinion gear thrust washer for GM 7.5″ and 7.625″
  • Fits standard open differentials only
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Dorman – Rear Axle Shaft, Left or Right (Part No.630-142)

Rear Axle Shaft, Left or Right

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$281.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

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$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

Posi Spring Kit For GM 7.5", With Preload Plates

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$166.99
Product Features:
  • Positraction spring kit
  • Fits GM 7.5″ and 7.625″ Dura Grip
  • Includes preload plates
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National – Bearings (Part No.A-18)

Bearings

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$17.99
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
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Powertrax – Lock Right Locker (Part No.1940-LR)

Lock Right Locker

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$441.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!
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    Yukon Gear – Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear (Part No.32030)

    Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear

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    $255.99
    Polished aluminum cover for 8.6″, 8.2″ and 8.5″ GM rear.

    Product Features:
    • Fits GM 8.5″ and 8.6″
    • Finned polished aluminum
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    Yukon Gear – Differential Cover B (Part No.33572)

    Differential Cover B

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    $7.99
    Differential Cover B

    Yukon Gear – Standard Open Carrier Case, GM 7.625", 3.23 & Up (Part No.20102)

    Standard Open Carrier Case, GM 7.625", 3.23 & Up

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    $481.99
    7.625″ GM standard Open case, 3.23 & up, Large & SM windows, loaded. 28 Spline.

    Product Features:
    • Standard open carrier case and spiders
    • 7.5″ & 7.625″ 28 spline applications
    • 3.23 and up ratio only
    • Large and Small windows
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    Yukon Gear – 18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16110)

    18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

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    $483.99
    Product Features:
    • Clutch kit
    • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
    • 18 piece kit
    • Steel clutches
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    Motive Gear – Differential Pinion Seal (Part No.2043)

    Differential Pinion Seal

    from

    $3.49
    Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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    Yukon Gear – Crush Sleeve (Part No.33110)

    Crush Sleeve

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    $5.99
    Crush sleeve for GM 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.2″ & 8.2″ Buick/Olds/Pontiac. .625″ long.

    Product Features:
    • Crush sleeve for GM 7.5″, 7.625″, 7.6″ IFS, 8.2″ and 8.2″ Buick, Oldsmobile and Pontiac
    • 0.625″ tall
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    Motive Gear – Differential Mini Spool (Part No.MS7.5-26)

    Differential Mini Spool

    from

    $98.99
    Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.

    Product Features:
    • Billet construction
    • Not recommended for street applications
    • GM7.5″ MINI SPOOL 26 SPLINE
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    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!
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    Yukon Gear – Bearing Race Driver (Part No.56022)

    Bearing Race Driver

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    $188.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits M86610 race
    • All steel construction
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    National – Shaft Repair Sleeve (Part No.99152)

    Shaft Repair Sleeve

    from

    $40.49
    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
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    Motive Gear – Differential Pinion Nut (Part No.1260823)

    Differential Pinion Nut

    from

    $8.49
    Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
    See More

    USA Standard Gear – Standard Spider Gear Set For GM 8.5", 28 Spline (Part No.39026)

    Standard Spider Gear Set For GM 8.5", 28 Spline

    from

    $209.99
    Product Features:
    • Spider gear kit
    • Fits GM 8.5″ 28 spline open differential
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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    Yukon Gear – Pinion Install Kit For GM 8.5" Differential (Part No.13069)

    Pinion Install Kit For GM 8.5" Differential

    from

    $176.99
    Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

    Product Features:
    • Fits GM 8.5″ rear
    • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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    Yukon Gear – Set Up Bearing (Part No.56043)

    Set Up Bearing

    from

    $115.99
    HM89249 set-up bearing (one bearing). No return.

    Product Features:
    • Set up bearing
    • Fits HM89249 pinion bearing
    • Easily slips on and off pinion journal to allow for pinion depth adjustment
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    Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

    Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

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    $52.99
    Product Features:
    • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
    • Interlocking design makes installation much easier
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    1985 Oldsmobile Cutlass Supreme Differentials

    Maybe you’re in the middle of a full rebuild of that 1985 Oldsmobile Cutlass Supreme. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 230 different Differentials in our inventory ranging from $2.49 to $2,219.99. That means you can find the exact parts or products you need to keep that 1985 Oldsmobile Cutlass Supreme running smoothly.

    Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1985 Oldsmobile Cutlass Supreme. Felpro, Dorman, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Differentials for your 1985 Oldsmobile Cutlass Supreme, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,790 reviews in this category, some of the top rated parts include Rear Differential Cover with 4.1 stars and Differential Yoke including Seal and Pinion Nut with 3.8 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1985 Oldsmobile Cutlass Supreme rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Differentials Brands To Make Your 1985 Oldsmobile Cutlass Supreme Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 Oldsmobile Cutlass Supreme demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Cutlass Supreme the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Spectre Differentials

    We carry Spectre parts in our stock across Differential Covers categories, plus more. For a 1985 Oldsmobile Cutlass Supreme, our most popular Spectre Differentials include:
    GM Differential Cover Camaro/S-10
    from $47.99
    (1)
    GM Differential Cover Camaro/S-10
    Differential Covers

    Top 1985 Oldsmobile Cutlass Supreme Differentials from Felpro

    Felpro products are another trusted brand when it comes to Differentials for your 1985 Oldsmobile Cutlass Supreme. Popular Felpro parts include:
    Differential Cover Gasket
    from $9.99
    (195)
    Differential Cover Gasket
    Rear Differential Cover Gaskets
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    FAQs for 1985 Oldsmobile Cutlass Supreme Differentials

    What are the most purchased Differentials for the 1985 Oldsmobile Cutlass Supreme?

    Out of 230 Differentials for the 1985 Oldsmobile Cutlass Supreme, the most popular in our inventory are:
    Bearings
    from $16.99
    (25)
    Bearings
    Differential Bearings
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    Differential Pinion Shaft Lock Bolts
    Rear Differential Cover
    from $20.99
    (38)
    Rear Differential Cover
    Differential Covers

    What are the top-rated 1985 Oldsmobile Cutlass Supreme Differentials?

    Top-rated Differentials for your 1985 Oldsmobile Cutlass Supreme based on customer reviews/ratings are:
    Rear Differential Cover
    from $32.99
    (14)
    Rear Differential Cover
    “FAST SHIPPING”
    Differential Yoke including Seal and Pinion Nut
    from $139.99
    (10)
    Differential Yoke including Seal and Pinion Nut
    “Will this fot 2001 jeep grand cherokee 4.0 limited with dana 35 read end”
    Differential Ring and Pinion
    from $241.99
    (4)
    Differential Ring and Pinion
    “Perfect match and easy install”