2021 Toyota 4Runner Engine Internals
Keep Your 2021 Toyota 4Runner 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 Toyota 4Runner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Crankshaft Seals. 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 2021 Toyota 4Runner Engine Internal at Advance Auto Parts is around $21.52, with a range that starts at $18.99 and goes up to $24.05. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like REAR MAIN BEARING SEAL SET and Crankshaft Seal start at just $18.99 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 Toyota 4Runner in peak condition, inside and out.
Find Your Specific 2021 Toyota 4Runner Engine Internals
Looking for the perfect Engine Internal for your 2021 Toyota 4Runner? 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 Toyota 4Runner. 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 Toyota 4Runner Engine Internals
National – Multi Purpose Seal (Part No.2025)
from
$11.99
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:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40686)
from
$18.99
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
NOK – Crankshaft Seal (Part No.A8060241611NOK)
from
$24.05
Crankshaft Seal
Driveworks – Oil Seal (Part No.S-229210)
NOK – Crankshaft Seal (Part No.A8060283132NOK)
from
$20.65
Crankshaft Seal
FAG US – SHAFT SEAL (Part No.SS3385)
from
$47.99
SHAFT SEAL
Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46195)
from
$5.49
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
- Includes all the parts necessary to complete the repair unless otherwise noted
Koyo – Crankshaft Seal (Part No.A8060283132KOY)
from
$20.49
Crankshaft Seal
NOK – Crankshaft Seal (Part No.A8060311069NOK)
from
$42.72
Crankshaft Seal
NOK – Crankshaft Seal (Part No.A806033776NOK)
from
$19.87
Crankshaft Seal
NOK – Crankshaft Seal (Part No.A806051821NOK)
from
$19.24
Crankshaft Seal
Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46035)
from
$14.99
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
- Includes all the parts necessary to complete the repair unless otherwise noted
NOK – Crankshaft Seal (Part No.A806051289NOK)
from
$22.79
Crankshaft Seal
National – Multi Purpose Seal (Part No.223801)
from
$9.99
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:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
National – Multi Purpose Seal (Part No.710871)
from
$15.49
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:
- Low swell in hydrocarbon fluids
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Recognized worldwide for their quality and reliable performance for every type of repair
- Temperature range: -40°F to 400°F; -40°C to 204°C
Driveworks – Crankshaft Seal (Part No.S-228010)
FAG US – SHAFT SEAL (Part No.SS3346)
from
$32.99
SHAFT SEAL
Victor Reinz – Engine Crankshaft Seal (Part No.81-53576-00)
from
$3.99
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.
NOK – Crankshaft Seal (Part No.A8060663374NOK)
from
$24.77
Crankshaft Seal
Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46131)
from
$26.49
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
- Includes all the parts necessary to complete the repair unless otherwise noted
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40674)
from
$31.49
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 40637)
from
$26.99
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.TCS 46080)
from
$6.49
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
- Includes all the parts necessary to complete the repair unless otherwise noted
FAG US – SHAFT SEAL (Part No.SS3383)
from
$33.49
SHAFT SEAL
NOK – Crankshaft Seal (Part No.A8060177831NOK)
from
$15.33
Crankshaft Seal
NOK – Crankshaft Seal (Part No.A806055032NOK)
from
$23.75
Crankshaft Seal
Popular 2021 Toyota 4Runner Engine Internals Categories
Most Popular Crankshaft Seals for 2021 Toyota 4Runners
Enhance your 2021 Toyota 4Runner with one of the 2 Crankshaft Seals we have in stock, starting at just $18.99.
Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40686)
from
$18.99
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
NOK – Crankshaft Seal (Part No.A8060241611NOK)
from
$24.05
Crankshaft Seal
FAQs for 2021 Toyota 4Runner Engine Internals
What are the best-selling Engine Internals for 2021 Toyota 4Runners?
Out of 2 Engine Internals that fit 2021 Toyota 4Runners, the following parts are the top sellers:
- REAR MAIN BEARING SEAL SET (20688750) – $18.99
- Crankshaft Seal (12052725) – $24.05
What’s the price range for 2021 Toyota 4Runner Engine Internals?
The prices of Engine Internals for the 2021 Toyota 4Runner range from $18.99 up to $24.05 for the most premium parts.
What is the average price of an Engine Internals Engine Internal for a 2021 Toyota 4Runner?
The average price for Engine Internals for the 2021 Toyota 4Runner is $21.52. 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 Toyota 4Runner model years?
What are the cheapest Engine Internals for my 2021 Toyota 4Runner?
The cheapest 2021 Toyota 4Runner Engine Internals we carry are:
- REAR MAIN BEARING SEAL SET (20688750) – $18.99
- Crankshaft Seal (12052725) – $24.05
Does Advance Auto Parts sell Engine Internals for any other 2021 Toyota models?
Yes. We stock Engine Internals for 7 other popular 2021 Toyota models. Some of the most popular are 2021 Corolla Engine Internals, 2021 Camry Engine Internals, 2021 Land Cruiser Engine Internals, 2021 Avalon Engine Internals, and 2021 Tacoma Engine Internals.
What types of Engine Internals do you sell for my 2021 Toyota 4Runner?
We currently have just 1 Engine Internal in stock for a 2021 Toyota 4Runner, and as of 4/10/25, it is a Crankshaft Seal.
Can I get help with 2021 Toyota 4Runner Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Toyota Engine Internals and more.
What is your return policy for Toyota 4Runner Engine Internals?
Advance Auto Parts keeps returns simple. For new Toyota 4Runner Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.