1977 Cadillac Eldorado Differentials
Keep Your 1977 Cadillac Eldorado in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1977 Cadillac Eldorado looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Pinion Shaft Bearings, Differential Pinion Shaft Lock Bolts, 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 Valvoline, Dorman, and National. For example, Valvoline Differentials start at just $14.49 with an average 4.8 star rating. Dorman and National offer similar pricing and quality, backed by strong customer feedback. With over 108 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac Eldorado owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1977 Cadillac Eldorado Differential at Advance Auto Parts is around $15.12, with a range that starts at $5.99 and goes up to $38.49. With 7 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Differential Shaft Lock Bolt, Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, and Tapered Roller Bearing start at just $5.99 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 CV Axles and Joints and Drive Shafts and Axles. At Advance Auto Parts, we’re here to help you keep your 1977 Cadillac Eldorado in peak condition, inside and out.
Find Your Specific 1977 Cadillac Eldorado Differentials
Looking for the perfect Differential for your 1977 Cadillac Eldorado? 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 Eldorado. Whether you’re driving a 1977 model or another popular model year like
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001, and
2002, 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 1977 Cadillac Eldorado Differentials
Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)
from
$5.99
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.
Product Features:
See More
Product Features:
- Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
National – Bearings (Part No.A-5)
from
$17.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)
National – Bearings (Part No.28682)
from
$30.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)
from
$38.49
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, MERCON LV 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 – 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
Felpro – Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket (Part No.RDS 30094)
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55034)
from
$14.29
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Popular 1977 Cadillac Eldorado Differentials Categories
Most Popular Pinion Shaft Bearing for 1977 Cadillac Eldorados
Enhance your 1977 Cadillac Eldorado with this popular Pinion Shaft Bearing we have in stock, for $17.49.
National – Bearings (Part No.A-5)
from
$17.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
Best-Selling 1977 Cadillac Eldorado Differential Pinion Shaft Lock Bolt
Upgrade your Eldorado with our best-selling Differential Pinion Shaft Lock Bolt with a 4 Starts rating across 11 reviews.
Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)
from
$5.99
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.
Product Features:
See More
Product Features:
- Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Top-Quality Differential Bearings for 1977 Cadillac Eldorados
Choose a high-quality OEM or aftermarket Differential Bearing for Cadillac Eldorados and enjoy top-notch performance from $6.79.
Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)
Top Picks for 1977 Cadillac Eldorado Rear Differential Cover Gaskets
Invest in one of our 2 durable Rear Differential Cover Gaskets for your 1977 Ford, knowing you’re getting trusted brands and expert craftsmanship.
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55034)
from
$14.29
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket (Part No.RDS 30094)
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Top-Rated Differential Oil for 1977 Cadillac Eldorados
Make a smart move for your 1977 Cadillac Eldorado with products all priced from $14.49 to $38.49.
Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)
from
$38.49
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, MERCON LV 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 – 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
Top-Rated Differential Brands For Your 1977 Cadillac Eldorado
When it comes to finding the perfect Differential for your 1977 Cadillac Eldorado, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Differential brands including Valvoline, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $5.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1977 Cadillac Eldorado, providing peace of mind with parts that meet or exceed OEM standards.
Popular Valvoline 1977 Cadillac Eldorado Differentials
If you’re looking for a top-quality Differential for your 1977 Cadillac Eldorado, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 2 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.49 and an average cost of $26.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1977 Cadillac Eldorado come highly rated, with over 4 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
$38.49
(2)
DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon
“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”
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”
Top-Quality National 1977 Cadillac Eldorado Differentials
For those in search of a high-quality Differential for their 1977 Cadillac Eldorado, 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 $17.49, giving you a range of options to suit your budget. Backed by over 39 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.
FAQs for 1977 Cadillac Eldorado Differentials
What are the best-selling Differentials for 1977 Cadillac Eldorados?
Out of 7 Differentials that fit 1977 Cadillac Eldorados, the following parts are the top sellers:
- Differential Shaft Lock Bolt (5707714) – $5.99
- Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (19780701) – $14.29
- Tapered Roller Bearing (10659441) – $6.79
What’s the price range for 1977 Cadillac Eldorado Differentials?
The prices of Differentials for the 1977 Cadillac Eldorado range from $5.99 up to $38.49 for the most premium parts.
What is the average price of a Differentials Differential for a 1977 Cadillac Eldorado?
The average price for Differentials for the 1977 Cadillac Eldorado is $15.12. 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 Eldorado model years?
What are the cheapest Differentials for my 1977 Cadillac Eldorado?
The cheapest 1977 Cadillac Eldorado Differentials we carry are:
- Differential Shaft Lock Bolt (5707714) – $5.99
- Tapered Roller Bearing (10659441) – $6.79
- Axle Housing Cover Gasket Irregular Shaped 8 Bolt Hole Gasket (19780404) – $8.29
- Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (19780701) – $14.29
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
Does Advance Auto Parts sell Differentials for any other 1977 Cadillac models?
Yes. We stock Differentials for 3 other popular 1977 Cadillac models. Some of the most popular are 1977 DeVille Differentials, 1977 Seville Differentials, 1977 Fleetwood Differentials, and 1977 Commercial Chassis Differentials.
What are the top-rated Differentials that fit the 1977 Cadillac Eldorado?
Based on 108 reviews by customers, our 1977 Cadillac Eldorado Differentials have an average customer rating of 5 stars. These are the highest-rated categories of Differentials for the 1977 Cadillac Eldorado and their top-rated products:
- Pinion Shaft Bearings
- Bearings (3275965) – $17.49
- Differential Oil
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
- DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (12073048) – $38.49
What types of Differentials do you sell for my 1977 Cadillac Eldorado?
As of 4/10/25, these are some of the most in-demand types of Differentials for a 1977 Cadillac Eldorado:
Can I get help with 1977 Cadillac Eldorado 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 Eldorado Differentials?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.