1978 Pontiac Catalina Differentials

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Keep Your 1978 Pontiac Catalina in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 Pontiac Catalina looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Rear Differential Cover Gaskets, and Differential Oil. 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 Motive Gear, National, and Driveworks. For example, Motive Gear Differentials start at just $3.99 with an average 4.1 star rating. National and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 3,861 reviews and a solid 4.2 star average, you can shop with confidence knowing other Pontiac Catalina owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Pontiac Catalina Differential at Advance Auto Parts is around $207.52, with a range that starts at $2.59 and goes up to $1,020.00. With 270 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Driveworks Taper Bearing Set, S-A-6, Dorman – Help Differential Shaft Lock Bolt, 81048, and Motive Gear Ring Gear Bolt, 14066913 start at just $2.99 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 1978 Pontiac Catalina in peak condition, inside and out.

Essential 1978 Pontiac Catalina Differentials

Yukon Gear – "Yukon Gear Pinion Install Kit for GM 8.2"" Diff for Buick, Pontiac, and Oldsmobile, 13068" (Part No.13068)

"Yukon Gear Pinion Install Kit for GM 8.2"" Diff for Buick, Pontiac, and Oldsmobile, 13068"

from

$282.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.
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Yukon Gear – Yukon Gear 1541H Alloy Rear Axle for GM 8.2, 21289 (Part No.21289)

Yukon Gear 1541H Alloy Rear Axle for GM 8.2, 21289

from

$234.99
Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat-treating technologies provide a stronger-than-stock axle for off-road, on the street, or at the track.
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Powertrax – Powertrax Differential Lock Assembly, 1930-LR (Part No.1930-LR)

Powertrax Differential Lock Assembly, 1930-LR

from

$445.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax 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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National – National Taper Bearing Cup, 31520 (Part No.31520)

National Taper Bearing Cup, 31520

from

$13.79
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Yukon Gear – "Yukon Gear Yoke for GM 7.5"" and 7.625"" (Mech 3R) In A Triple Lip Design, 41088" (Part No.41088)

"Yukon Gear Yoke for GM 7.5"" and 7.625"" (Mech 3R) In A Triple Lip Design, 41088"

from

$154.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
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Pro-King – Pro-King Differential Cross Shaft, 742G673 (Part No.742G673)

Pro-King Differential Cross Shaft, 742G673

from

$28.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear Posi Shim Kit for GM 7.5"" & 7.625"" Eaton Positraction, 16047" (Part No.16047)

"Yukon Gear Posi Shim Kit for GM 7.5"" & 7.625"" Eaton Positraction, 16047"

from

$42.99
Bearing race driver. No return. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear
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Yukon Gear – "Yukon Gear Super Carrier Shim Kit for Ford 8.8"", GM 12 bolt car & truck, 8.6 & Vette, 55002" (Part No.55002)

"Yukon Gear Super Carrier Shim Kit for Ford 8.8"", GM 12 bolt car & truck, 8.6 & Vette, 55002"

from

$59.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Yukon Gear – "Yukon Gear 3/8"" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More, 33347" (Part No.33347)

"Yukon Gear 3/8"" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More, 33347"

from

$4.99
“3/8″” ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.”
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Motive Gear – Motive Gear Differential Pinion Nut, 1260823 (Part No.1260823)

Motive Gear Differential Pinion Nut, 1260823

from

$10.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Motive Gear – Motive Gear Differential Mini Spool, MS12C (Part No.MS12C)

Motive Gear Differential Mini Spool, MS12C

from

$108.99
Motive Gear Differential Mini Spool, MS12C.
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Powertrax – Powertrax Differential Lock Assembly, 1921-LR (Part No.1921-LR)

Powertrax Differential Lock Assembly, 1921-LR

from

$368.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax 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 – Yukon Gear Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs, 56020 (Part No.56020)

Yukon Gear Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs, 56020

from

$215.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Yukon Gear – "Yukon Gear Posi Spring Kit for GM 7.5"", with Preload Plates, 33206" (Part No.33206)

"Yukon Gear Posi Spring Kit for GM 7.5"", with Preload Plates, 33206"

from

$153.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Motive Gear – Motive Gear Differential Ring and Pinion, GM10-430 (Part No.GM10-430)

Motive Gear Differential Ring and Pinion, GM10-430

from

$278.99
Motive Gear Differential Ring and Pinion, GM10-430.
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Driveworks – Driveworks Tapered Roller Bearing, S-HM-804846 (Part No.S-HM-804846)

Driveworks Tapered Roller Bearing, S-HM-804846

from

$41.99
Driveworks Tapered Roller Bearing, S-HM-804846.
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Dorman – Help – Dorman – Help Differential Shaft Lock Bolt, 81048 (Part No.81048)

Dorman - Help Differential Shaft Lock Bolt, 81048

from

$6.79
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Powertrax – Powertrax Differential Lock Assembly, 9207883005 (Part No.9207883005)

Powertrax Differential Lock Assembly, 9207883005

from

$551.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
See More

Driveworks – Driveworks Taper Bearing Cone, S-HM-88649 (Part No.S-HM-88649)

Driveworks Taper Bearing Cone, S-HM-88649

from

$19.49
Value-priced bearing meets all cataloged application requirements.
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Yukon Gear – Yukon Gear Ring Gear Bolt, 33049 (Part No.33049)

Yukon Gear Ring Gear Bolt, 33049

from

$6.99
“Ring gear bolt for GM 7.5″”, 7.6″”, 7.6″” IRS, 8.0″”, 8.25″” IFS, 8.5″”, 8.6″” & 8.6″” IRS. 7/16″” x 20.”
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Yukon Gear – "Yukon Gear Dura Grip Spider Gear Set for GM 8.5"" Differential with 28 Spline Axles, 16052" (Part No.16052)

"Yukon Gear Dura Grip Spider Gear Set for GM 8.5"" Differential with 28 Spline Axles, 16052"

from

$336.99
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPGM75 (Part No.CSPGM75)

Richmond Gear Differential Pinion Shaft, CSPGM75

from

$26.49
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.
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Yukon Gear – Yukon Gear 7.5 GM Cover Gasket, 23018 (Part No.23018)

Yukon Gear 7.5 GM Cover Gasket, 23018

from

$11.99
7.5 GM cover gasket. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear
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USA Standard Gear – USA Standard Gear Differential Rebuild Kit, 37055 (Part No.37055)

USA Standard Gear Differential Rebuild Kit, 37055

from

$206.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.
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Driveworks – Driveworks Oil Seal, S-8610 (Part No.S-8610)

Driveworks Oil Seal, S-8610

from

$11.99
Value-priced seal meets all cataloged application requirements.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Yukon Gear – "Yukon Gear Cross Pin Shaft for 7.5"", 7.625"", and 8"" GM, 33404" (Part No.33404)

"Yukon Gear Cross Pin Shaft for 7.5"", 7.625"", and 8"" GM, 33404"

from

$57.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Crush sleeve, 33110 (Part No.33110)

Yukon Gear Crush sleeve, 33110

from

$5.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Most Popular Differential Pinion Seals for 1978 Pontiac Catalinas

Enhance your 1978 Pontiac Catalina with one of the 8 Differential Pinion Seals we have in stock, starting at just $3.99.

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

Driveworks Oil Seal, S-2043

from

$10.79
Value-priced seal meets all cataloged application requirements.
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Motive Gear – Motive Gear Differential Pinion Seal, 2043 (Part No.2043)

Motive Gear Differential Pinion Seal, 2043

from

$3.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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National – National Multi-Purpose Seal, 8610 (Part No.8610)

National Multi-Purpose Seal, 8610

from

$18.29
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.
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Driveworks – Driveworks Oil Seal, S-8610 (Part No.S-8610)

Driveworks Oil Seal, S-8610

from

$11.99
Value-priced seal meets all cataloged application requirements.
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Yukon Gear – "Yukon Gear Pinion Seal for GM 8.5"", 8.2"", Buick, Oldsmobile, and Pontiac, 30017" (Part No.30017)

"Yukon Gear Pinion Seal for GM 8.5"", 8.2"", Buick, Oldsmobile, and Pontiac, 30017"

from

$9.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Yukon Gear – "Yukon Gear 7.2"" GM 7.5"" GM & 8.2"" GM Pinion Seal, 30192" (Part No.30192)

"Yukon Gear 7.2"" GM 7.5"" GM & 8.2"" GM Pinion Seal, 30192"

from

$9.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Schaeffler – Schaeffler Shaft Seal, SS2588 (Part No.SS2588)

Schaeffler Shaft Seal, SS2588

from

$19.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Schaeffler – Schaeffler Shaft Seal, SS2983 (Part No.SS2983)

Schaeffler Shaft Seal, SS2983

from

$9.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Best-Selling 1978 Pontiac Catalina Rear Differential Cover Gaskets

Upgrade your Catalina with one of our 6 best-selling Rear Differential Cover Gaskets, earning an average 4.83 stars rating across 241 reviews.

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

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55072

from

$9.49
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.
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Mr. Gasket – Mr. Gasket Differential Cover Gasket, 84B (Part No.84B)

Mr. Gasket Differential Cover Gasket, 84B

from

$22.19
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.
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Felpro – Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1 (Part No.RDS 55028-1)

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1

from

$11.99
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.
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Yukon Gear – Yukon Gear 7.5 GM Cover Gasket, 23018 (Part No.23018)

Yukon Gear 7.5 GM Cover Gasket, 23018

from

$11.99
7.5 GM cover gasket. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear
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Pro-King – Pro-King Differential Cover Gasket, 742G303A (Part No.742G303A)

Pro-King Differential Cover Gasket, 742G303A

from

$32.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear 8.5"" Oldsmobile 442 & Cutlas 10 Bolt Ring Gear & 12 Bolt Cover, 23022" (Part No.23022)

"Yukon Gear 8.5"" Oldsmobile 442 & Cutlas 10 Bolt Ring Gear & 12 Bolt Cover, 23022"

from

$13.99
“8.5”” Oldsmobile 442 & Cutlas 10 bolt ring gear & 12 bolt cover.”
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Top-Quality Differential Oil for 1978 Pontiac Catalinas

Choose a high-quality OEM or aftermarket Differential Oil for Pontiac Catalinas and enjoy top-notch performance from $44.99.

Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Top Picks for 1978 Pontiac Catalina Differential Bearings

Invest in one of our 2 durable Differential Bearings for your 1978 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

Driveworks – Driveworks Tapered Roller Bearing, S-LM-603012 (Part No.S-LM-603012)

Driveworks Tapered Roller Bearing, S-LM-603012

from

$7.99
Driveworks Tapered Roller Bearing, S-LM-603012.
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Driveworks – Driveworks Wheel Bearing Kit, S-RA-321 (Part No.S-RA-321)

Driveworks Wheel Bearing Kit, S-RA-321

from

$141.99
Driveworks Wheel Bearing Kit, S-RA-321.
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Differential Covers for 1978 Pontiac Catalinas

Make a smart move for your 1978 Pontiac Catalina with products all priced from $29.99 to $255.99.

Yukon Gear – "Yukon Gear Chrome Cover for 8.6"", 8.5"" and 8.2"" GM Rear, 32017" (Part No.32017)

"Yukon Gear Chrome Cover for 8.6"", 8.5"" and 8.2"" GM Rear, 32017"

from

$74.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.
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Yukon Gear – "Yukon Gear Polished Aluminum Cover for 8.6"", 8.2"" and 8.5"" GM Rear, 32030" (Part No.32030)

"Yukon Gear Polished Aluminum Cover for 8.6"", 8.2"" and 8.5"" GM Rear, 32030"

from

$255.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.
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Yukon Gear – "Yukon Gear Steel Cover for GM 8.2"" & 8.5"" Rear, 32332" (Part No.32332)

"Yukon Gear Steel Cover for GM 8.2"" & 8.5"" Rear, 32332"

from

$123.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – "Yukon Gear Steel Cover for GM 7.5"" & 7.625"", 32331" (Part No.32331)

"Yukon Gear Steel Cover for GM 7.5"" & 7.625"", 32331"

from

$67.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – "Yukon Gear Chrome Cover for 7.5"" GM, 32014" (Part No.32014)

"Yukon Gear Chrome Cover for 7.5"" GM, 32014"

from

$67.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.
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Pro-King – Pro-King Differential Carrier Cover, 741A758 (Part No.741A758)

Pro-King Differential Carrier Cover, 741A758

from

$29.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Top-Rated Differential Brands For Your 1978 Pontiac Catalina

When it comes to finding the perfect Differential for your 1978 Pontiac Catalina, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including National, Driveworks, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $3.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 Pontiac Catalina, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1978 Pontiac Catalina Differentials

If you’re looking for a top-quality Differential for your 1978 Pontiac Catalina, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99 and an average cost of $18.59, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1978 Pontiac Catalina come highly rated, with over 7 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
National Multi-Purpose Seal, 8610
from $18.29
(4)
National Multi-Purpose Seal, 8610
“Perfect”
National Bearing Race, LM501314
from $11.99
(2)
National Bearing Race, LM501314
“good quality & price”
National Tapered Roller Bearing Cone, HM89449
from $25.49
(1)
National Tapered Roller Bearing Cone, HM89449
“This Is The One That Fit My 1971 CHEVY TRUCK 12 BOLT PINION REAR BACK BEARING”

Top-Quality Driveworks 1978 Pontiac Catalina Differentials

For those in search of a high-quality Differential for their 1978 Pontiac Catalina, Advance Auto Parts offers a great selection of Driveworks Differentials. With 2 Driveworks 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 $10.79, with an average price of $11.39, giving you a range of options to suit your budget. Backed by over 39 customer ratings and an average rating of 4.2 stars, Driveworks Differentials provide both reliability and excellent performance. Choosing a Driveworks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Driveworks Oil Seal, S-2043
from $10.79
(1)
Driveworks Oil Seal, S-2043
“Didn’t fit my 1992 K1500 10 bolt 8.5″ ring gear rear end. Was told wrong part.”
Driveworks Taper Bearing Set, S-A-6
from $11.99
(38)
Driveworks Taper Bearing Set, S-A-6
“HELPFUL ASSOCIATE”

FAQs for 1978 Pontiac Catalina Differentials

What are the best-selling Differentials for 1978 Pontiac Catalinas?

Out of 270 Differentials that fit 1978 Pontiac Catalinas, the following parts are the top sellers:

What’s the price range for 1978 Pontiac Catalina Differentials?

The prices of Differentials for the 1978 Pontiac Catalina range from $2.59 up to $1,020.00 for the most premium parts.

What is the average price of a Differential for a 1978 Pontiac Catalina?

The average price for Differentials for the 1978 Pontiac Catalina is $207.52. 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 Pontiac Catalina model years?

Yes, we carry Differentials for 30 model years of Pontiac Catalinas between 1950 and 1981. The following model years are the most popular for Differential purchases: 1981, 1980, 1979, 1977, 1976, 1975, 1974, 1973, and 1972.

What are the cheapest Differentials for my 1978 Pontiac Catalina?

The cheapest 1978 Pontiac Catalina Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1978 Pontiac models?

Yes. We stock Differentials for 8 other popular 1978 Pontiac models. Some of the most popular are 1978 Grand Prix Differentials, 1978 Bonneville Differentials, 1978 Firebird Differentials, 1978 Grand Am Differentials, and 1978 LeMans Differentials.

What types of Differentials do you sell for my 1978 Pontiac Catalina?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1978 Pontiac Catalina:

Can I get help with 1978 Pontiac Catalina Differential orders?

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

What is your return policy for Pontiac Catalina Differentials?

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