2021 Ram 3500 Engine Internals
Keep Your 2021 Ram 3500 in Top Shape with Quality Engine Internals
Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 2021 Ram 3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Engine Crankshaft Seal Retainers, Crankshaft Seals, and Main Bearing Repair Sleeves. 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 Engine Internals from Trusted Brands
Looking for a reliable Engine Internal? We’ve got you covered with options from brands you know and trust like FELPRO. For example, FELPRO Engine Internals start at just $40.99 with an average 4.6 star rating. With over 8 reviews and a solid 5 star average, you can shop with confidence knowing other Ram 3500 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2021 Ram 3500 Engine Internal at Advance Auto Parts is around $70.41, with a range that starts at $11.99 and goes up to $195.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Engine Crankshaft Seal Kit, Main Seal Retainer, and Engine Crankshaft Seal Kit start at just $25.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Internal, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2021 Ram 3500 in peak condition, inside and out.
Find Your Specific 2021 Ram 3500 Engine Internals
Looking for the perfect Engine Internal for your 2021 Ram 3500? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your Ram 3500. Whether you’re driving a 2021 model or another popular model year like
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2020, and
2022, we’ve got you covered. Purchasing Engine Internals 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 Engine Internals that fit your vehicle.
Essential 2021 Ram 3500 Engine Internals
Dorman – Main Seal Retainer (Part No.635-450)
from
$195.99
This engine crankshaft seal retainer is engineered to secure the rear main seal on specified vehicle years, makes and models, and to match the fit and function of an original retainer that is leaking or has failed due to seal deterioration.
Product Features:
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Product Features:
- Direct replacement – this engine crankshaft seal retainer is designed to match the fit, function and performance of the original rear main seal retainer on specified vehicle years, makes and models
- Restores functionality – this retainer is engineered and tested to secure the rear main seal and prevent oil leaks when the original retainer is leaking or has failed from seal deterioration
- Durable construction – this retainer is made from quality materials for reliable service
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Felpro – Shaft Repair Sleeve (Part No.16230)
from
$11.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Shaft Repair Sleeve (Part No.16274)
from
$16.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Victor Reinz – Engine Crankshaft Seal (Part No.81-10639-00)
from
$79.99
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.
Product Features:
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Product Features:
- Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
National – Engine Crankshaft Seal (Part No.711126)
from
$18.99
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.
Product Features:
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Product Features:
- Design type: springless; single-lip
- Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
- Excellent dry running capabilities
- Low coefficient of friction
- Delivers quality and reliable performance for every type of repair
National – Multi-Purpose Seal (Part No.710842)
from
$49.99
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -100 Deg. F to 450 Deg. F; -73 Deg. C to 232 Deg.C
- Excellent dry running capabilities
- Low coefficient of friction
- Delivers quality and reliable performance for every type of repair
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40650)
from
$52.99
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.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40684)
from
$40.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40735)
from
$25.99
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.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
MAHLE Original – Engine Crankshaft Seal (Part No.67857)
from
$90.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46174)
from
$32.99
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Validated for fit, form and function
- Unsurpassed quality you can trust
National – Engine Crankshaft Seal (Part No.710841)
from
$92.99
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
- Excellent dry running capabilities
- Low coefficient of friction
- Delivers quality and reliable performance for every type of repair
Popular 2021 Ram 3500 Engine Internals Categories
Most Popular Engine Crankshaft Seal Retainer for 2021 Ram 3500s
Enhance your 2021 Ram 3500 with this popular Engine Crankshaft Seal Retainer we have in stock, for $195.99.
Dorman – Main Seal Retainer (Part No.635-450)
from
$195.99
This engine crankshaft seal retainer is engineered to secure the rear main seal on specified vehicle years, makes and models, and to match the fit and function of an original retainer that is leaking or has failed due to seal deterioration.
Product Features:
See More
Product Features:
- Direct replacement – this engine crankshaft seal retainer is designed to match the fit, function and performance of the original rear main seal retainer on specified vehicle years, makes and models
- Restores functionality – this retainer is engineered and tested to secure the rear main seal and prevent oil leaks when the original retainer is leaking or has failed from seal deterioration
- Durable construction – this retainer is made from quality materials for reliable service
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Best-Selling 2021 Ram 3500 Crankshaft Seals
Upgrade your 3500 with one of our 3 best-selling Crankshaft Seals, earning an average 5 stars rating across 1 reviews.
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40684)
from
$40.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46174)
from
$32.99
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Validated for fit, form and function
- Unsurpassed quality you can trust
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40735)
from
$25.99
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.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Top-Quality Main Bearing Repair Sleeves for 2021 Ram 3500s
Choose a high-quality OEM or aftermarket Main Bearing Repair Sleef for Ram 3500s and enjoy top-notch performance from $11.99.
Felpro – Shaft Repair Sleeve (Part No.16230)
from
$11.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Top-Rated Engine Internal Brands For Your 2021 Ram 3500
When it comes to finding the perfect Engine Internal for your 2021 Ram 3500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Engine Internal brands including FELPRO, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $40.99. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 2021 Ram 3500, providing peace of mind with parts that meet or exceed OEM standards.
Popular FELPRO 2021 Ram 3500 Engine Internals
If you’re looking for a top-quality Engine Internal for your 2021 Ram 3500, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Internals. We have 1 FELPRO Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $40.99, you’ll find the perfect Engine Internal for your needs and budget. FELPRO Engine Internals for the 2021 Ram 3500 come highly rated, with over 1 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$40.99
(1)
Engine Crankshaft Seal Kit
“Fits good, be sure to install it dry. No sealants, no lubricants or anything.”
FAQs for 2021 Ram 3500 Engine Internals
What are the best-selling Engine Internals for 2021 Ram 3500s?
Out of 5 Engine Internals that fit 2021 Ram 3500s, the following parts are the top sellers:
- Engine Crankshaft Seal Kit (11138757) – $32.99
- Main Seal Retainer (50247534) – $195.99
- Engine Crankshaft Seal Kit (11138880) – $25.99
What’s the price range for 2021 Ram 3500 Engine Internals?
The prices of Engine Internals for the 2021 Ram 3500 range from $11.99 up to $195.99 for the most premium parts.
What is the average price of an Engine Internal for a 2021 Ram 3500?
The average price for Engine Internals for the 2021 Ram 3500 is $70.41. Keep in mind the variety of part types within our Engine Internal category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Internals for other Ram 3500 model years?
What are the cheapest Engine Internals for my 2021 Ram 3500?
The cheapest 2021 Ram 3500 Engine Internals we carry are:
- Shaft Repair Sleeve (21021901) – $11.99
- Engine Crankshaft Seal Kit (11138880) – $25.99
- Engine Crankshaft Seal Kit (11138757) – $32.99
- Engine Crankshaft Seal Kit (20688961) – $40.99
- Main Seal Retainer (50247534) – $195.99
Does Advance Auto Parts sell Engine Internals for any other 2021 Ram models?
Yes. We stock Engine Internals for 7 other popular 2021 Ram models. Some of the most popular are 2021 1500 Engine Internals, 2021 ProMaster 1500 Engine Internals, 2021 4500 Engine Internals, 2021 5500 Engine Internals, and 2021 ProMaster 3500 Engine Internals.
What are the top-rated Engine Internals that fit the 2021 Ram 3500?
The one 2021 Ram 3500 Engine Internal we have in stock is the Shaft Repair Sleeve. It costs $11.99.
What types of Engine Internals do you sell for my 2021 Ram 3500?
As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 2021 Ram 3500:
Can I get help with 2021 Ram 3500 Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Ram Engine Internals and more.
What is your return policy for Ram 3500 Engine Internals?
Advance Auto Parts keeps returns simple. For new Ram 3500 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.