fits model: 4runner. make: Toyota. year: 2021.

( Manufacturer Part Number: RF1A ), ( Part Type: Transfer Case )
The Toyota 4Runner 84-95 Transfer Case RF1A 21 Spline is a crucial component for enhancing the performance and durability of your 4Runner's drivetrain. This transfer case is specifically designed for 4WD (four-wheel drive) systems, providing optimal power distribution between the front and rear axles.
The RF1A transfer case features 21 spline output shafts, which ensure smooth and reliable operation. The splines provide a strong connection between the transfer case and the differential, allowing for efficient power transfer and enabling your 4Runner to handle various terrains with ease.
This transfer case is built with high-quality materials, including robust cast iron housing and hardened steel gears. The gears are precision-machined to ensure precise engagement and reduce wear and tear, ensuring long-lasting performance.
The RF1A transfer case also includes a 2.72:1 low range gear ratio, which allows for improved traction and control on steep inclines and off-road conditions. This feature is particularly useful for overcoming challenging terrains, such as mud, sand, or snow.
The transfer case also comes with a factory-installed wiring harness, making installation simple and straightforward. Additionally, this transfer case is compatible with a variety of aftermarket accessories, such as lockers and shift kits, allowing for further customization and performance enhancements.
In summary, the Toyota 4Runner 84-95 Transfer Case RF1A 21 Spline is a must-have upgrade for any 4Runner owner looking to enhance their vehicle's performance and off-road capabilities. With its robust construction, smooth operation, and versatile features, this transfer case is a reliable and durable solution for tackling the toughest terrains.
Pros of buying a 1984-1995 Toyota 4Runner with a 21-spline rear axle (RF1A):1. Durability: Toyota 4Runners are known for their longevity and reliability, especially the older models. The RF1A rear axle is a strong and robust design that can handle heavy loads and off-road conditions.
2. Parts Availability: Due to the popularity of these vehicles, replacement parts are widely available, making maintenance and repairs relatively easy and affordable.
3. Off-Road Capability: The RF1A rear axle is an excellent choice for off-road enthusiasts. It is strong enough to handle tough terrains and can be easily upgraded for better performance.
4. Resale Value: Older Toyota 4Runners tend to hold their value well, especially those in good condition.
Cons of buying a 1984-1995 Toyota 4Runner with a 21-spline rear axle (RF1A):1. Fuel Efficiency: Older vehicles, including the 4Runner, are not known for their fuel efficiency. Expect to fill up more often than with a newer, more fuel-efficient vehicle.
2. Technological Limitations: Older models lack some of the modern features and safety technologies that are standard in newer vehicles.
3. Comfort: Older vehicles, especially those with higher mileage, may not provide the same level of comfort as newer models.
4. Maintenance Costs: While parts are widely available, maintenance costs can add up over time, especially if the vehicle has not been well-maintained.
Ending Conclusion:Buying a 1984-1995 Toyota 4Runner with a 21-spline rear axle (RF1A) can be a good investment for off-road enthusiasts, given its durability, parts availability, and off-road capability. However, potential buyers should be aware of the vehicle's fuel efficiency, technological limitations, comfort, and maintenance costs. If you're willing to put in some work and are looking for a capable off-roader, this could be a great choice. If you prioritize comfort, modern features, and fuel efficiency, you might want to consider a newer model.
128,462 miles I have 100 positive feed back and want to keep it that way. Came from a 91 4x4 with w56 transmission.
I am a very fast shipper. I have for sale a Toyota top shift transfer case RF1A.