Best Car Crankshaft Seals of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Car crankshaft seals are essential components in the engine of a vehicle. These seals are designed to prevent oil leaks from the crankshaft and keep the engine lubricated. They are typically made from high-quality materials to withstand the high temperatures and pressures generated by the engine. These seals are critical for the proper functioning of the engine and can help to extend the lifespan of the vehicle. If the crankshaft seals become damaged or worn, it can result in oil leaks, engine damage, and reduced performance. Regular maintenance and replacement of these seals are necessary to ensure the longevity and efficiency of the engine.
At a Glance: Our Top Picks
Top 10 Car Crankshaft Seals
FEL-PRO TCS 46051 Front Seal Set
The FEL-PRO TCS 46051 Front Seal Set meets or exceeds all original equipment specifications with an application specific design for a perfect fit. Engineered for the sealing repair environment, it is validated for fit, form and function, ensuring unsurpassed quality you can trust. This product is a perfect fit for car crankshaft seals.
FEL-PRO Crankshaft Front Seal Set
This crankshaft front seal set is designed to fit your specific vehicle. It comes in a compact package of 1.27 H x 20.574 L x 8.89 W (centimeters) and weighs only 0.1 pounds. Made in China, this set is a great addition to your car crankshaft seals.
FEL-PRO TCS 46026 Seal Set
The FEL-PRO TCS 46026 Crankshaft Front Seal Set is designed to meet or exceed all original equipment specifications. It is application-specific, ensuring high-quality sealing repair for your car. This set is validated for fit, form, and function, and engineered for the sealing repair environment, making it a trustworthy choice. Each component of the set is made with proprietary design, engineering, and manufacturing processes.
FEL-PRO TCS 46127 Seal Set
The FEL-PRO TCS 46127 Crankshaft Front Seal Set is designed to meet or exceed all original equipment specifications, providing an unsurpassed quality for a seal that can be trusted. It has been validated for fit, form, and function and engineered for the sealing repair environment. The proprietary design, engineering, and manufacturing processes of each Fel-Pro gasket ensures that even the smallest gasket is made to exacting standards.
National 711024 Crankshaft Seal
The National Crankshaft Seal is designed without springs and features multiple lips for enhanced sealing. This design allows for excellent performance in extreme temperatures, ranging from -100°F to 450°F, ensuring durability in various conditions. Its remarkable ability to run dry means you can rely on it even in low lubrication situations. Additionally, the low friction coefficient helps reduce wear and tear, providing a smoother operation. This combination of features ensures that you receive dependable performance for all your repair needs.
TIMKEN 100470 Crankshaft Seal
This car crankshaft seal is made in China and has a weight of 0.022 pounds. It is designed to fit specific vehicles and has package dimensions of 2.032 H X 9.144 L X 9.144 W (centimeters).
Fel-Pro Crankshaft Seal Kit
The Fel-Pro Seal Kit is designed specifically for various Honda and Acura models, including the 2001-2005 Honda Civic and 1990-2001 Acura Integra. It ensures that you get the correct part for your vehicle by prompting you to verify compatibility based on your car's specific details. This kit meets or exceeds original equipment standards, offering peace of mind that it will perform reliably. Its application-specific design guarantees a proper fit, making installation easier and more efficient for you.
Toyota Crankshaft Seal
The Toyota Crankshaft Seal is a reliable component designed specifically for your vehicle. As a genuine OEM part, it ensures a perfect fit, making installation straightforward and hassle-free. You can trust this seal to provide durability, as it is backed by a guarantee against defects in materials and workmanship. Sourced from Japan, its quality meets high standards, giving you peace of mind on the road. By choosing this crankshaft seal, you ensure optimal performance and longevity for your engine, allowing for smoother operation and reduced risk of leaks.
National 710842 Crankshaft Seal
The National Crankshaft Seal is designed with a spring-loaded, multi-lip structure that ensures it performs effectively in a wide temperature range, from -100°F to 450°F. This feature helps maintain reliable sealing even in extreme conditions, giving you peace of mind. Its excellent dry running capabilities mean you can count on it to function smoothly without lubrication, which can be a significant convenience during repairs. Additionally, the low coefficient of friction enhances its durability, making it a dependable choice for your automotive needs. Overall, this seal delivers quality performance for various repair tasks.
National Crankshaft Seal
The National Crankshaft Seal, also known as the National Seal, is a high-quality and reliable car part designed for various repair needs. This seal features a spring-loaded and multi-lip design, which ensures a secure and tight fit to prevent oil leaks. With a temperature range of -40°F to 225°F, it performs well in extreme weather conditions. The National Seal also has good low-temperature capability, making it suitable for cold climates. Additionally, it has low swell in hydrocarbon fluids, providing excellent protection against damage. Whether you need to replace a worn-out seal or perform maintenance on your car's crankshaft, the National Crankshaft Seal is a dependable choice that delivers lasting performance.
Frequently Asked Questions (FAQs)
1. How much does it cost to replace a crankshaft seal?
The cost of replacing a crankshaft seal varies depending on the vehicle and engine layout. Generally, it can range from $200 to $500 or more.
2. How serious is a crankshaft seal leak?
A crankshaft seal leak can be a serious issue. These seals prevent oil from leaking outside of the crankcase. If they fail, it can lead to oil leaks, which can create a mess and potentially cause significant damage to the engine if not addressed promptly.
3. Is a crankshaft seal easy to replace?
Replacing a crankshaft seal can be challenging, especially if it is in a transverse engine (front-wheel drive or all-wheel drive). The seal is subjected to pressure from the timing chain or timing belt and accessories driven by the serpentine belt or v-belt.
4. How many hours does it take to change a crankshaft seal?
On average, it takes around 2.3 hours for a certified mechanic to replace a front crankshaft seal.
5. What are the symptoms of a crankshaft seal?
The most common symptom of a crankshaft seal problem is oil leaks. If the seal dries out, cracks, or breaks, it can result in oil leakage. Small leaks may cause oil accumulation under the engine, while larger ones may lead to oil dripping from the front of the engine.
6. What causes crankshaft seal failure?
Crankshaft seal failure can be caused by factors such as a restricted breather, tight oil-slinger clearance, or a propeller defect that places abnormal side load on the seal. These issues can lead to leaking of the crankshaft oil seal.
During our car crankshaft seal research, we found 24 car crankshaft seal products and shortlisted 10 quality products. We collected and analyzed 6,020 customer reviews through our big data system to write the car crankshaft seals list. We found that most customers choose car crankshaft seals with an average price of $14.04.
The car crankshaft seals are available for purchase. We have researched hundreds of brands and picked the top brands of car crankshaft seals, including Fel-Pro, National, TIMKEN, Toyota. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.