1978 Mercedes-Benz 300SD Differentials

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Keep Your 1978 Mercedes-Benz 300SD in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 Mercedes-Benz 300SD looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Front Differential Pinion Bearings, Differential Carrier Bearings, and Differential Carrier Bearing Set. 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 Driveworks and National. For example, Driveworks Differentials start at just $11.99 with an average 4.2 star rating. National offer similar pricing and quality, backed by strong customer feedback. With over 72 reviews and a solid 4.5 star average, you can shop with confidence knowing other Mercedes-Benz 300SD owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Mercedes-Benz 300SD Differential at Advance Auto Parts is around $20.82, with a range that starts at $11.49 and goes up to $35.99. With 6 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like National Tapered Roller Bearing Cone, HM89449, National Bearing Race, HM89410, and Driveworks Tapered Roller Bearing, S-LM-503349A start at just $11.49 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1978 Mercedes-Benz 300SD in peak condition, inside and out.

Essential 1978 Mercedes-Benz 300SD Differentials

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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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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National – National Bearing Race, HM89410 (Part No.HM89410)

National Bearing Race, HM89410

from

$11.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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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 Taper Bearing Cone, S-LM-300849 (Part No.S-LM-300849)

Driveworks Taper Bearing Cone, S-LM-300849

from

$19.49
Value-priced bearing meets all cataloged application requirements.
See More

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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Driveworks – Driveworks Tapered Roller Bearing, S-LM-503349A (Part No.S-LM-503349A)

Driveworks Tapered Roller Bearing, S-LM-503349A

from

$20.49
Driveworks Tapered Roller Bearing, S-LM-503349A.
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National – National Tapered Roller Bearing Cone, HM803149 (Part No.HM803149)

National Tapered Roller Bearing Cone, HM803149

from

$37.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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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.
See More

National – National Tapered Roller Bearing Cone, HM88649 (Part No.HM88649)

National Tapered Roller Bearing Cone, HM88649

from

$20.79
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

National – National Tapered Roller Bearing Cone, HM89449 (Part No.HM89449)

National Tapered Roller Bearing Cone, HM89449

from

$25.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

National – National Bearing Race, HM803110 (Part No.HM803110)

National Bearing Race, HM803110

from

$20.79
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More

Most Popular Front Differential Pinion Bearing for 1978 Mercedes-Benz 300SDs

Enhance your 1978 Mercedes-Benz 300SD with this popular Front Differential Pinion Bearing we have in stock, for $25.49.

National – National Tapered Roller Bearing Cone, HM89449 (Part No.HM89449)

National Tapered Roller Bearing Cone, HM89449

from

$25.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

Best-Selling 1978 Mercedes-Benz 300SD Differential Carrier Bearing

Upgrade your 300SD with our best-selling Differential Carrier Bearing.

Driveworks – Driveworks Tapered Roller Bearing, S-LM-503349A (Part No.S-LM-503349A)

Driveworks Tapered Roller Bearing, S-LM-503349A

from

$20.49
Driveworks Tapered Roller Bearing, S-LM-503349A.
See More

Top-Quality Differential Carrier Bearing Set for 1978 Mercedes-Benz 300SDs

Choose a high-quality OEM or aftermarket Differential Carrier Bearing Set for Mercedes-Benz 300SDs and enjoy top-notch performance from $11.99.

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
See More

Our Top Pick for a 1978 Mercedes-Benz 300SD Differential Oil

Invest in a durable Differential Oil for your 1978 Mercedes-Benz, knowing you’re getting trusted brands and expert craftsmanship.

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

Our Top-Rated Differential Bearings for 1978 Mercedes-Benz 300SDs

Make a smart move for your 1978 Mercedes-Benz 300SD with our Differential Bearing for $19.49.

Driveworks – Driveworks Taper Bearing Cone, S-LM-300849 (Part No.S-LM-300849)

Driveworks Taper Bearing Cone, S-LM-300849

from

$19.49
Value-priced bearing meets all cataloged application requirements.
See More

Top-Rated Differential Brands For Your 1978 Mercedes-Benz 300SD

When it comes to finding the perfect Differential for your 1978 Mercedes-Benz 300SD, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Differential brands including National and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $11.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 Mercedes-Benz 300SD, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1978 Mercedes-Benz 300SD Differentials

If you’re looking for a top-quality Differential for your 1978 Mercedes-Benz 300SD, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 1 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $25.49, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1978 Mercedes-Benz 300SD come highly rated, with over 1 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 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 Mercedes-Benz 300SD Differentials

For those in search of a high-quality Differential for their 1978 Mercedes-Benz 300SD, 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 $11.99, with an average price of $15.74, giving you a range of options to suit your budget. Backed by over 71 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 Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
“Great”
Driveworks Taper Bearing Cone, S-LM-300849
from $19.49
(1)
Driveworks Taper Bearing Cone, S-LM-300849
“looks great, haven’t used it yet”

FAQs for 1978 Mercedes-Benz 300SD Differentials

What are the best-selling Differentials for 1978 Mercedes-Benz 300SDs?

Out of 6 Differentials that fit 1978 Mercedes-Benz 300SDs, the following parts are the top sellers:

What’s the price range for 1978 Mercedes-Benz 300SD Differentials?

The prices of Differentials for the 1978 Mercedes-Benz 300SD range from $11.49 up to $35.99 for the most premium parts.

What is the average price of a Differential for a 1978 Mercedes-Benz 300SD?

The average price for Differentials for the 1978 Mercedes-Benz 300SD is $20.82. 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 Mercedes-Benz 300SD model years?

Yes, we carry Differentials for 8 model years of Mercedes-Benz 300SDs between 1979 and 1993. The following model years are the most popular for Differential purchases: 1993, 1992, 1985, 1984, 1983, 1982, 1981, 1980, and 1979.

What are the cheapest Differentials for my 1978 Mercedes-Benz 300SD?

The cheapest 1978 Mercedes-Benz 300SD Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1978 Mercedes-Benz models?

Yes. We stock Differentials for 9 other popular 1978 Mercedes-Benz models. Some of the most popular are 1978 230 Differentials, 1978 280SE Differentials, 1978 450SEL Differentials, 1978 300D Differentials, and 1978 280E Differentials.

What are the top-rated Differentials that fit the 1978 Mercedes-Benz 300SD?

The one 1978 Mercedes-Benz 300SD Differential we have in stock is the National Bearing Race, HM89410. It costs $11.49.

What types of Differentials do you sell for my 1978 Mercedes-Benz 300SD?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1978 Mercedes-Benz 300SD:

Can I get help with 1978 Mercedes-Benz 300SD Differential orders?

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

What is your return policy for Mercedes-Benz 300SD Differentials?

Advance Auto Parts keeps returns simple. For new Mercedes-Benz 300SD Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.