1951 Cadillac Series 61 Differentials
Keep Your 1951 Cadillac Series 61 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1951 Cadillac Series 61 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Pinion Bearings, Front Differential Pinion Bearings, 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 Valvoline. For example, Valvoline Differentials start at just $14.49 with an average 4.8 star rating. With over 2 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac Series 61 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1951 Cadillac Series 61 Differential at Advance Auto Parts is around $22.16, with a range that starts at $11.99 and goes up to $47.49. With 6 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, Tapered Roller Bearing Cone, and Bearing Race start at just $11.99 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 Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1951 Cadillac Series 61 in peak condition, inside and out.
Find Your Specific 1951 Cadillac Series 61 Differentials
Looking for the perfect Differential for your 1951 Cadillac Series 61? 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 Cadillac Series 61. Whether you’re driving a 1951 model or another popular model year like
1946,
1947,
1948,
1949, and
1950, 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 1951 Cadillac Series 61 Differentials
National – Tapered Roller Bearing Cone (Part No.HM804846)
from
$47.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
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
National – Bearing Race (Part No.HM804810)
from
$24.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways 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
Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)
Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)
from
$11.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.
Product Features:
See More
Product Features:
- Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)
from
$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
National – Bearing Race (Part No.HM803110)
from
$20.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways 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
Popular 1951 Cadillac Series 61 Differentials Categories
Most Popular Rear Differential Pinion Bearing for 1951 Cadillac Series 61s
Enhance your 1951 Cadillac Series 61 with this popular Rear Differential Pinion Bearing we have in stock, for $20.49.
National – Bearing Race (Part No.HM803110)
from
$20.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways 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
Best-Selling 1951 Cadillac Series 61 Front Differential Pinion Bearings
Upgrade your Series 61 with one of our 3 best-selling Front Differential Pinion Bearings.
National – Tapered Roller Bearing Cone (Part No.HM804846)
from
$47.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
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
National – Bearing Race (Part No.HM804810)
from
$24.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways 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
Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)
Top-Quality Differential Oil for 1951 Cadillac Series 61s
Choose a high-quality OEM or aftermarket Differential Oil for Cadillac Series 61s and enjoy top-notch performance from $11.99.
Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)
from
$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)
from
$11.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.
Product Features:
See More
Product Features:
- Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Top-Rated Differential Brands For Your 1951 Cadillac Series 61
When it comes to finding the perfect Differential for your 1951 Cadillac Series 61, 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 Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $14.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1951 Cadillac Series 61, providing peace of mind with parts that meet or exceed OEM standards.
Popular Valvoline 1951 Cadillac Series 61 Differentials
If you’re looking for a top-quality Differential for your 1951 Cadillac Series 61, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1951 Cadillac Series 61 come highly rated, with over 2 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$14.49
(2)
DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
“I’ve used this in my 2005 2500HD since I bought the truck with 20k on it now at 280k changed every other year maybe 40k I’d put on in two years,
I pu”
FAQs for 1951 Cadillac Series 61 Differentials
What are the best-selling Differentials for 1951 Cadillac Series 61s?
Out of 6 Differentials that fit 1951 Cadillac Series 61s, the following parts are the top sellers:
- DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
- Tapered Roller Bearing Cone (3276937) – $47.49
- Bearing Race (3276899) – $20.49
What’s the price range for 1951 Cadillac Series 61 Differentials?
The prices of Differentials for the 1951 Cadillac Series 61 range from $11.99 up to $47.49 for the most premium parts.
What is the average price of a Differential for a 1951 Cadillac Series 61?
The average price for Differentials for the 1951 Cadillac Series 61 is $22.16. 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 Cadillac Series 61 model years?
What are the cheapest Differentials for my 1951 Cadillac Series 61?
The cheapest 1951 Cadillac Series 61 Differentials we carry are:
- DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
- Tapered Roller Bearing (10659680) – $13.49
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
- Bearing Race (3276899) – $20.49
- Bearing Race (3276929) – $24.99
Does Advance Auto Parts sell Differentials for any other 1951 Cadillac models?
Yes. We stock Differentials for 3 other popular 1951 Cadillac models. Some of the most popular are 1951 Commercial Chassis Differentials, 1951 Series 75 Fleetwood Differentials, 1951 Series 62 Differentials, and 1951 Series 60 Fleetwood Differentials.
What are the top-rated Differentials that fit the 1951 Cadillac Series 61?
The one 1951 Cadillac Series 61 Differential we have in stock is the DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart. It costs $11.99.
What types of Differentials do you sell for my 1951 Cadillac Series 61?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1951 Cadillac Series 61:
Can I get help with 1951 Cadillac Series 61 Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Differentials and more.
What is your return policy for Cadillac Series 61 Differentials?
Advance Auto Parts keeps returns simple. For new Cadillac Series 61 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.