1946 Buick Special Series 40 Differentials
Keep Your 1946 Buick Special Series 40 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1946 Buick Special Series 40 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil 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.
Competitive Prices and Extensive Inventory
The average price for a 1946 Buick Special Series 40 Differential at Advance Auto Parts is around $59.99, with a range that starts at $35.99 and goes up to $83.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like National Multi-Purpose Bearing, KC-11445-Y and Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 start at just $35.99 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 Spindles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1946 Buick Special Series 40 in peak condition, inside and out.
Find Your Specific 1946 Buick Special Series 40 Differentials
Looking for the perfect Differential for your 1946 Buick Special Series 40? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Buick Special Series 40. Whether you’re driving a 1946 model or another popular model year like
1947,
1948, and
1949, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1946 Buick Special Series 40 Differentials
Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.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 Multi-Purpose Bearing, KC-11445-Y (Part No.KC-11445-Y)
from
$83.99
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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Popular 1946 Buick Special Series 40 Differentials Categories
Most Popular Differential Oil for 1946 Buick Special Series 40s
Enhance your 1946 Buick Special Series 40 with this popular Differential Oil we have in stock, for $35.99.
Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.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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Best-Selling 1946 Buick Special Series 40 Differential Bearing
Upgrade your Special Series 40 with our best-selling Differential Bearing.
National – National Multi-Purpose Bearing, KC-11445-Y (Part No.KC-11445-Y)
from
$83.99
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
See More
FAQs for 1946 Buick Special Series 40 Differentials
What are the best-selling Differentials for 1946 Buick Special Series 40s?
Out of 2 Differentials that fit 1946 Buick Special Series 40s, the following parts are the top sellers:
- National Multi-Purpose Bearing, KC-11445-Y (3277208) – $83.99
- Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (50154410) – $35.99
What’s the price range for 1946 Buick Special Series 40 Differentials?
The prices of Differentials for the 1946 Buick Special Series 40 range from $35.99 up to $83.99 for the most premium parts.
What is the average price of a Differential for a 1946 Buick Special Series 40?
The average price for Differentials for the 1946 Buick Special Series 40 is $59.99. 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 Buick Special Series 40 model years?
What are the cheapest Differentials for my 1946 Buick Special Series 40?
The cheapest 1946 Buick Special Series 40 Differentials we carry are:
- Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (50154410) – $35.99
- National Multi-Purpose Bearing, KC-11445-Y (3277208) – $83.99
Does Advance Auto Parts sell Differentials for any other 1946 Buick models?
Yes. We stock Differentials for 1 other popular 1946 Buick models. Some of the most popular are 1946 Super Series 50 Differentials and 1946 Roadmaster Series 70 Differentials.
What types of Differentials do you sell for my 1946 Buick Special Series 40?
As of 8/2/26, these are some of the most in-demand types of Differentials for a 1946 Buick Special Series 40:
Can I get help with 1946 Buick Special Series 40 Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Differentials and more.
What is your return policy for Buick Special Series 40 Differentials?
Advance Auto Parts keeps returns simple. For new Buick Special Series 40 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.