Best Transfer Case Components of 2026
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A transfer case is an essential component of a four-wheel drive vehicle that distributes the engine's power to all four wheels. It consists of several components, including the input shaft, output shaft, chain drive, and gears. The input shaft connects the transfer case to the transmission, while the output shaft sends power to the front and rear axles. The chain drive transfers power from the input to the output shaft, and the gears control the power distribution to the wheels. Transfer case components are critical for the proper functioning of a four-wheel drive system and must be maintained regularly to ensure optimal performance.
At a Glance: Our Top Picks
Top 10 Transfer Case Components
Rexka 24pcs Transfer & Differential Service Gasket Kit
The Rexka 24pcs Transfer & Differential Service Gasket Kit is a perfect fit for Toyota and Lexus models, meeting or exceeding OEM specifications. The kit includes 12 crushable oil drain plug gaskets, 4 differential drain plug gaskets, and 8 aluminum oil drain plug gaskets. The crushable oil drain plug gaskets have nominal size M18 X M24, while the differential drain plug gaskets have nominal size M24 x M32. The kit also includes 8 aluminum oil drain plug gaskets with a size of 18mm. The product is a direct fit, making it easy to install.
Dorman 924-284 Front Differential Vent Breather
The Dorman 924-284 Front Differential Vent Breather is a direct replacement for original vents that have failed due to blockage or fatigue, designed to match the fit and function of the original vent on specified vehicles. This part is made from quality materials to ensure reliable performance and long service life, and backed by a team of product experts in the United States with more than a century of automotive experience. To ensure proper fit, input your make, model and trim level into the garage tool.
FEL-PRO 72770 Transfer Case Gasket Set
The FEL-PRO 72770 Transfer Case Gasket Set is designed to meet or exceed all original equipment specifications. Its application-specific design ensures a perfect fit, while it is engineered and manufactured specifically for the repair environment. This gasket set has unsurpassed quality that you can trust, and it is validated for fit, form, and function.
Toyota Gasket Kit for Transfer and Differential Service
If you're looking for a reliable gasket kit for your Toyota transfer and differential service, the Toyota Gasket Kit is the perfect choice. This genuine Toyota product includes gaskets that take quantity 3, two for the rear differential and 1 for the front differential, and 2 for the transfer case. These gaskets are designed to fit perfectly and ensure a tight seal, preventing leaks and ensuring smooth operation. With this kit, you can be confident that your transfer and differential service will be done right the first time, saving you time and money in the long run. Plus, since it's a genuine Toyota product, you know you're getting the quality and reliability that Toyota is known for.
Dorman 14689 Transfer Case Vent
The Dorman Transfer Case Vent is a direct replacement designed to fit your vehicle perfectly, making installation hassle-free. It helps restore proper ventilation if your original vent has become blocked or worn out, ensuring your transfer case works smoothly. Made from durable materials, this vent offers long-lasting performance, so you won’t need frequent replacements. Plus, it’s backed by experienced product experts in the U.S., giving you confidence in its quality. Using this vent can help maintain your vehicle's transfer case health and prevent potential issues caused by poor ventilation.
TOPCNOEM 12pcs Differential Transfer Case Crush Washer Gasket Kit for Toyota Lexus Scion
The TOPCNOEM Transfer Case Gasket Kit is designed to fit Toyota, Lexus, and Scion transfer cases and differentials, making maintenance easier and more reliable for you. It includes six steel crushable oil drain plug gaskets that match OEM sizes, ensuring a secure seal to prevent leaks. You also get two copper washers that fit specific Toyota and Lexus models, offering durable and precise sealing. Additionally, the kit contains four aluminum oil drain plug gaskets made for transfer cases, providing long-lasting protection. Overall, this kit meets or exceeds OEM standards, giving you confidence in its quality and sealing performance.
Region Offroad Front Driveshaft Bolts for Jeep Models
The Region Offroad Driveshaft Bolts are built with Grade 170M steel, which is even stronger than the common Grade 8 bolts, ensuring durability and reliability for your vehicle. These bolts are designed specifically to fit several Jeep models like the Wrangler TJ (1997-2006), Cherokee XJ (1984-2001), and Comanche MJ (1986-1992). This means you can easily find the perfect fit for your Jeep without hassle. Using these bolts helps maintain a secure connection between the front driveshaft and transfer case, giving you peace of mind during off-road adventures or daily driving.
Toyota Transfer Case Gear Oil LF 75W 1L
The Toyota Transfer Gear Oil is specially designed by Toyota to perfectly fit and protect your vehicle's transfer case. When you use this oil, you can trust it has passed Toyota's strict testing, ensuring high quality and reliability. It is made to meet and even exceed Toyota's warranty standards, giving you peace of mind about your vehicle’s maintenance. Additionally, this oil is officially approved for use in Toyota transfer systems, meaning it provides excellent protection and helps maintain the smooth operation of your vehicle’s transfer components. Using this product helps keep your vehicle running strong and extends the life of your transfer case.
WLFINKMO Transfer Case Linkage Kit for Jeep Cherokee XJ & Comanche MJ
The WLFINKMO Transfer Linkage Kit is designed specifically for Jeep Cherokee XJ and Comanche MJ models from 1986 to 2001, making it a perfect fit for your vehicle. It works with NP231 and 242 transfer cases and helps eliminate annoying shifter clunking and rattling, providing you with a smoother driving experience. By replacing the worn-out plastic bushings in the factory linkage, this kit prevents 4WD failures caused by a bent body. Installation is simple and hassle-free, requiring no drilling or welding—just swap out the old "Z" connecting rod for the new one, saving you time and effort.
Dorman 600-101 4WD Axle Actuator
The Dorman 4WD Actuator is designed as a direct replacement for your vehicle’s original part, making the installation process straightforward and hassle-free. If you’ve been struggling with a non-working four-wheel drive, this actuator helps restore proper function, so you can rely on your vehicle in tough driving conditions. With over 100 years of experience, Dorman has a strong reputation for delivering dependable automotive parts, giving you peace of mind. Plus, this product is developed by a skilled team of designers and engineers in the United States, ensuring quality and performance you can trust every time you drive.
Frequently Asked Questions (FAQs)
1. What are the components of a transfer case?
The components of a transfer case include bearings, gears, shafts, flanges, and the transfer case housing. Seals, gaskets, and o-rings ensure proper sealing and smooth operation.
2. What is the part between transmission and transfer case?
The gaskets between the transmission and the transfer case are commonly known as the transfer case gasket or the transfer case adapter gasket.
3. What is a transfer case and how does it work?
A transfer case is part of the drivetrain that assists vehicles with rear-wheel drive, front-wheel drive, or all-wheel drive functionality. It transfers power from the transmission to the front and rear axles through the drive shaft.
4. What causes a transfer case to go bad?
A transfer case can fail due to low fluid level caused by leaks, lack of maintenance, or regular wear and tear. Addressing fluid leaks promptly and regularly changing the transfer case fluid can help prevent damage.
5. What is needed to replace a transfer case?
To replace a transfer case, you will need a floor jack, jack stands, a transmission jack, an oil pan, socket and box end wrenches, penetrating fluid, work lights, and safety glasses.
6. What connects the driveshaft to the transfer case?
The slip yoke is the component that connects the driveshaft to the transfer case. It is an internal splined shaft that transfers power between the transfer case and the driveshaft.
7. What are the symptoms of a bad transfer case?
Symptoms of a bad transfer case include gear shifting issues, difficulty staying in 4WD, 4WD not engaging or disengaging, fluid leaks under the transfer case, unusual grinding or humming noises, and the 4WD warning light illuminating.
During our transfer case component research, we found 24 transfer case component products and shortlisted 10 quality products. We collected and analyzed 22,937 customer reviews through our big data system to write the transfer case components list. We found that most customers choose transfer case components with an average price of $12.39.
The transfer case components are available for purchase. We have researched hundreds of brands and picked the top brands of transfer case components, including Rexka, Dorman, Fel-Pro, Toyota, TOPCNOEM. The seller of top 1 product has received honest feedback from 2,272 consumers with an average rating of 4.9.
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.