1978 Chevrolet P30 Differentials

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Keep Your 1978 Chevrolet P30 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 Chevrolet P30 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 Bearings. 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 Felpro and National. For example, Felpro Differentials start at just $8.29 with an average 4.6 star rating. National offer similar pricing and quality, backed by strong customer feedback. With over 72 reviews and a solid 4.4 star average, you can shop with confidence knowing other Chevrolet P30 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Chevrolet P30 Differential at Advance Auto Parts is around $124.14, with a range that starts at $8.29 and goes up to $1,008.00. With 33 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Driveworks Tapered Roller Bearing, S-M-802048, and National Tapered Roller Bearing Cone, HM88542 start at just $17.99 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 Chevrolet P30 in peak condition, inside and out.

Essential 1978 Chevrolet P30 Differentials

Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6095-1 (Part No.RDS 6095-1)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6095-1

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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Dorman – Dorman Full Float Axle Shaft, 630-147A (Part No.630-147A)

Dorman Full Float Axle Shaft, 630-147A

from

$115.99
This axle shaft is designed to match the performance of the original equipment shaft on specified vehicle makes, models and years. When a factory axle shaft fails or is damaged by rust or collision, this replacement is engineered to help restore and ensure the proper transfer of torque and rotational power from the differential or transmission to the wheel.
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Motive Gear – Motive Gear Differential Gear Install Kit, GM10.5IKLA (Part No.GM10.5IKLA)

Motive Gear Differential Gear Install Kit, GM10.5IKLA

from

$52.79
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Yukon Gear Replacement Pinion Seal (Non-Flanged Style) for Dana 80, 30075 (Part No.30075)

Yukon Gear Replacement Pinion Seal (Non-Flanged Style) for Dana 80, 30075

from

$26.99
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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Driveworks – Driveworks Tapered Roller Bearing, S-HM-803110 (Part No.S-HM-803110)

Driveworks Tapered Roller Bearing, S-HM-803110

from

$13.49
Driveworks Tapered Roller Bearing, S-HM-803110.
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Yukon Gear – Yukon Gear High Performance Replacement Ring & Pinion Gear Set For Dana 80 In A 3.73 Ratio, 24077 (Part No.24077)

Yukon Gear High Performance Replacement Ring & Pinion Gear Set For Dana 80 In A 3.73 Ratio, 24077

from

$449.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.
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Motive Gear – Motive Gear Differential Pinion Nut, 15994582 (Part No.15994582)

Motive Gear Differential Pinion Nut, 15994582

from

$17.99
Motive Gear Differential Pinion Nut, 15994582.
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Yukon Gear – "Yukon Gear 10.5"" GM 14 Bolt Truck Pinion Nut, 33148" (Part No.33148)

"Yukon Gear 10.5"" GM 14 Bolt Truck Pinion Nut, 33148"

from

$48.99
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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National – National Bearing Race, HM807010 (Part No.HM807010)

National Bearing Race, HM807010

from

$27.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6014 (Part No.RDS 6014)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6014

from

$17.99
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 Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70, 23007 (Part No.23007)

Yukon Gear Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70, 23007

from

$13.99
“Yukon spider gear set for GM 8.2″” Dura Grip posi, 28 spline. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.”
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Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55447 (Part No.RDS 55447)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55447

from

$16.99
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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Felpro – Felpro Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket, RDS 5090 (Part No.RDS 5090)

Felpro Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket, RDS 5090

from

$9.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
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Felpro – Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55063 (Part No.RDS 55063)

Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55063

from

$8.29
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 Master Overhaul Kit for Dana 80 Differential (4.125"" OD Only)., 14041" (Part No.14041)

"Yukon Gear Master Overhaul Kit for Dana 80 Differential (4.125"" OD Only)., 14041"

from

$735.99
Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.
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LuK – LuK Repair Kit, Differential, GDK325-MK (Part No.GDK325-MK)

LuK Repair Kit, Differential, GDK325-MK

from

$499.99
Each LuK Differential Bearing Kit contains all the OE quality bearings needed for a professional transmission repair. Differential bearing kits are the perfect repair solution for a broken transmission. We carefully select OE quality components for each individual transmission for a professional repair.
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Yukon Gear – Yukon Gear Set Up Bearing, 56040 (Part No.56040)

Yukon Gear Set Up Bearing, 56040

from

$264.99
Set-up carrier bearing kti (2 bearings, no races) for Dana 70 HD and Dana 80. 469. No return.
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Yukon Gear – "Yukon Gear Standard Open Carrier Case, GM 10.5"" 14 Bolt Truck, 4.10 & Down, 20100" (Part No.20100)

"Yukon Gear Standard Open Carrier Case, GM 10.5"" 14 Bolt Truck, 4.10 & Down, 20100"

from

$729.99
“ABS carrier case exciter ring (tone ring) with 108 teeth for 8.8″” Ford.”
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National – National Shaft Repair Sleeve, 99253 (Part No.99253)

National Shaft Repair Sleeve, 99253

from

$53.99
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.
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National – National Multi-Purpose Bearing, R-1581-TV (Part No.R-1581-TV)

National Multi-Purpose Bearing, R-1581-TV

from

$36.49
Manufactured with premium-grade steel, National® cylindrical outer races are designed and engineered to meet OE specifications.
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Pro-King – Pro-King Differential Internal Nest Kit, 744A717 (Part No.744A717)

Pro-King Differential Internal Nest Kit, 744A717

from

$323.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Pro-King – Pro-King Differential Internal Nest Kit, 718C717B (Part No.718C717B)

Pro-King Differential Internal Nest Kit, 718C717B

from

$422.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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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 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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National – National Tapered Roller Bearing Cone, HM88542 (Part No.HM88542)

National Tapered Roller Bearing Cone, HM88542

from

$24.29
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Yukon Gear – "Yukon Gear Pilot Bearing for 10.5"" 14 Bolt Truck, 2.050"" O.D., 18041" (Part No.18041)

"Yukon Gear Pilot Bearing for 10.5"" 14 Bolt Truck, 2.050"" O.D., 18041"

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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National – National Tapered Roller Bearing Cone, HM903249 (Part No.HM903249)

National Tapered Roller Bearing Cone, HM903249

from

$45.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Most Popular Differential Pinion Seal for 1978 Chevrolet P30s

Enhance your 1978 Chevrolet P30 with this popular Differential Pinion Seal we have in stock, for $22.99.

Schaeffler – Schaeffler Shaft Seal, SS3147 (Part No.SS3147)

Schaeffler Shaft Seal, SS3147

from

$22.99
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 Chevrolet P30 Rear Differential Cover Gasket

Upgrade your P30 with our best-selling Rear Differential Cover Gasket.

Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14868-00 (Part No.71-14868-00)

Victor Reinz Differential Cover Gasket, 71-14868-00

from

$9.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Top-Quality Differential Bearings for 1978 Chevrolet P30s

Choose a high-quality OEM or aftermarket Differential Bearing for Chevrolet P30s and enjoy top-notch performance from $13.49.

National – National Bearing Race, 382A (Part No.382A)

National Bearing Race, 382A

from

$13.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Driveworks – Driveworks Tapered Roller Bearing, S-HM-803110 (Part No.S-HM-803110)

Driveworks Tapered Roller Bearing, S-HM-803110

from

$13.49
Driveworks Tapered Roller Bearing, S-HM-803110.
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Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
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Our Top Pick for a 1978 Chevrolet P30 Rear Housing Cover Gasket

Invest in a durable Rear Housing Cover Gasket for your 1978 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

Felpro – Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55063 (Part No.RDS 55063)

Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55063

from

$8.29
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.
See More

Differential Oil for 1978 Chevrolet P30s

Make a smart move for your 1978 Chevrolet P30 with products all priced from $35.99 to $137.99.

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.
See More

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.
See More

Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
See More

Top-Rated Differential Brands For Your 1978 Chevrolet P30

When it comes to finding the perfect Differential for your 1978 Chevrolet P30, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 trusted brands. We carry the most popular Differential brands including Felpro and National, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $8.29. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 Chevrolet P30, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1978 Chevrolet P30 Differentials

If you’re looking for a top-quality Differential for your 1978 Chevrolet P30, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 2 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29 and an average cost of $13.14, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1978 Chevrolet P30 come highly rated, with over 14 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6014
from $17.99
(1)
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6014
“OEM only uses silicone , the gasket set with a thin layer of silicone is a much better sealant method”

Top-Quality National 1978 Chevrolet P30 Differentials

For those in search of a high-quality Differential for their 1978 Chevrolet P30, Advance Auto Parts offers a great selection of National Differentials. With 1 National 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 $13.99, giving you a range of options to suit your budget. Backed by over 6 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
National Bearing Race, 382A
from $13.99
(6)
National Bearing Race, 382A
“Fit perfectly. No difficulty replacing my old ones.”

FAQs for 1978 Chevrolet P30 Differentials

What are the best-selling Differentials for 1978 Chevrolet P30s?

Out of 33 Differentials that fit 1978 Chevrolet P30s, the following parts are the top sellers:

What’s the price range for 1978 Chevrolet P30 Differentials?

The prices of Differentials for the 1978 Chevrolet P30 range from $8.29 up to $1,008.00 for the most premium parts.

What is the average price of a Differential for a 1978 Chevrolet P30?

The average price for Differentials for the 1978 Chevrolet P30 is $124.14. 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 Chevrolet P30 model years?

Yes, we carry Differentials for 25 model years of Chevrolet P30s between 1968 and 1999. The following model years are the most popular for Differential purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

What are the cheapest Differentials for my 1978 Chevrolet P30?

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

Yes. We stock Differentials for 23 other popular 1978 Chevrolet models. Some of the most popular are 1978 Impala Differentials, 1978 Malibu Differentials, 1978 Camaro Differentials, 1978 Monte Carlo Differentials, and 1978 Corvette Differentials.

What types of Differentials do you sell for my 1978 Chevrolet P30?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1978 Chevrolet P30:

Can I get help with 1978 Chevrolet P30 Differential orders?

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

What is your return policy for Chevrolet P30 Differentials?

Advance Auto Parts keeps returns simple. For new Chevrolet P30 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.