1978 Oldsmobile Delta 88 Differentials

Essential 1978 Oldsmobile Delta 88 Differentials

Felpro – Differential Cover Gasket (Part No.RDS 55029)

Differential Cover Gasket

from

$7.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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

Lock Right Locker

from

$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!
  • See More

    Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI)

    Differential Carrier Gear Kit

    from

    $111.99


    Product Features:
    • GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)
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    Pro-King – Rear Axle Shaft Kit (Part No.AXK-230)

    Rear Axle Shaft Kit

    from

    $149.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and funtion.

    Product Features:
    • High strength steel
    • Dual heat treating process
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    Mr. Gasket – Differential Gasket (Part No.84B)

    Differential Gasket

    from

    $18.09
    Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

    Product Features:
    • .047″ thick cellulose/nitrile composite gasket material
    • Precision die cut
    • Reusable
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    Richmond Gear – RngPnnInstlKt (Part No.83-1044-B)

    RngPnnInstlKt

    from

    $43.99
    RngPnnInstlKt

    National – Shaft Repair Sleeve (Part No.99170)

    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
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    Driveworks – Oil Seal (Part No.S-8611N)

    Oil Seal

    from

    $7.79
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Pro-King – Differential Cross Shaft (Part No.742G930)

    Differential Cross Shaft

    from

    $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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    National – Taper Bearing Cone (Part No.LM501349)

    Taper Bearing Cone

    from

    $17.99
    Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN — Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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    Richmond Gear – Differential Cross Shaft (Part No.80-0270-1)

    Differential Cross Shaft

    from

    $64.99
    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.
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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
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    Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

    MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $12.79
    Product Features:
    • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks
    • Long-life friction modifiers and premium base oils help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
    • Enhanced cleaning additives help reduce varnish formation and keep the transmission running properly longer
    • Engineered with a unique blend of viscosity modifiers and base oils to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    Dorman – Rear Differential Cover (Part No.697-701)

    Rear Differential Cover

    from

    $20.99
    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
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    Motive Gear – Differential Spool (Part No.FS10-28)

    Differential Spool

    from

    $187.99


    Product Features:
    • FULL SPOOL GM 10 BOLT 8.5 28 SPL ST
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    Motive Gear – Differential Mini Spool (Part No.MS7.5-28)

    Differential Mini Spool

    from

    $101.99


    Product Features:
    • MINI SPOOL GM 7 1/2″ 28 SPLINE
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    Motive Gear – Differential Crush Sleeve (Part No.3954480)

    Differential Crush Sleeve

    from

    $5.49


    Product Features:
    • CRUSH SLEEVE 12 BLT CAR
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    National – Bearings (Part No.M804049)

    Bearings

    from

    $38.49
    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
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    Motive Gear – Differential Pinion Shim Kit (Part No.1104)

    Differential Pinion Shim Kit

    from

    $12.99


    Product Features:
    • KIT SHIM
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    Motive Gear – Ring Gear Bolt (Part No.14066913)

    Ring Gear Bolt

    from

    $2.49


    Product Features:
    • RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND
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    Motive Gear – Differential Bearing Kit – Timken (Part No.R7.5GRT)

    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 7.5″,’82-98
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    Motive Gear – Differential Bearing Kit – Koyo (Part No.R12CR)

    Differential Bearing Kit - Koyo

    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&SL GM 12 BOLT CAR
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    Powertrax – Lock Right Locker (Part No.1910-LR)

    Lock Right Locker

    from

    $376.99
    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!
  • 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

    Motive Gear – Differential Ring and Pinion (Part No.GM10-373A)

    Differential Ring and Pinion

    from

    $241.99


    Product Features:
    • GM 10BL 8.5 R/P 3.73A MG FRT/REAR
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    Motive Gear – Performance Differential Ring and Pinion (Part No.G885342)

    Performance Differential Ring and Pinion

    from

    $322.99


    Product Features:
    • GM 10BL 8.5 R/P 3.42 FRT/REAR MGP
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    National – Bearings (Part No.M88010)

    Bearings

    from

    $10.49
    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

    1978 Oldsmobile Delta 88 Differentials

    Maybe you’re in the middle of a full rebuild of that 1978 Oldsmobile Delta 88. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 118 different Differentials in our inventory ranging from $1.99 to $551.99. That means you can find the exact parts or products you need to keep that 1978 Oldsmobile Delta 88 running smoothly.

    Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Oldsmobile Delta 88. Valvoline, Felpro, and Driveworks 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 1978 Oldsmobile Delta 88, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 8,278 reviews in this category, some of the top rated parts include Bearings with 4.8 stars and Differential Ring And Pinion with 4.2 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1978 Oldsmobile Delta 88 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 1978 Oldsmobile Delta 88 Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Oldsmobile Delta 88 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 Delta 88 the best it can be. Be sure to browse some of our top Differentials brands and parts.

    FAQs for 1978 Oldsmobile Delta 88 Differentials

    What are the most purchased Differentials for the 1978 Oldsmobile Delta 88?

    Out of 118 Differentials for the 1978 Oldsmobile Delta 88, the most popular in our inventory are:
    Differential Cover Gasket
    from $9.99
    (195)
    Differential Cover Gasket
    Rear Housing Cover Gaskets
    Taper Bearing Set
    from $10.29
    (38)
    Taper Bearing Set
    Differential Bearings
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    What are the top-rated 1978 Oldsmobile Delta 88 Differentials?

    Top-rated Differentials for your 1978 Oldsmobile Delta 88 based on customer reviews/ratings are:
    Bearings
    from $16.99
    (25)
    Bearings
    “Fit like it should no issues”
    Differential Ring And Pinion
    from $342.99
    (23)
    Differential Ring And Pinion
    “So far so good.”
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    “great”