
( Brand: Bendix ), ( Manufacturer Part Number: AB-21 ), ( Part Type: Coupling Hub ), ( Country/region Of Manufacture: United States )
The AB-21 NOS Bendix High Retarder Coupling Automatic for Hub is an essential component in the braking system of heavy-duty vehicles. This part is specifically designed for vehicles that require enhanced braking performance, such as trucks and trailers.
The AB-21 is a high retarder coupling, which means it provides additional braking power to help reduce the stopping distance of the vehicle. This is particularly beneficial in situations where quick and efficient braking is necessary, such as during downhill descents or in heavy traffic.
The coupling is manufactured by Bendix, a renowned name in the automotive industry known for its high-quality parts. The AB-21 is a new old stock (NOS) item, which means it is a previously manufactured, unused part that has been stored away in a warehouse. This ensures that the part is in pristine condition and has not been subjected to any wear or damage.
The AB-21 is an automatic coupling, which means it engages and disengages automatically in response to the vehicle's braking system. This eliminates the need for manual operation, making it easier and safer to use. The coupling is also designed to work seamlessly with the vehicle's hub, ensuring a smooth and efficient braking experience.
In terms of dimensions, the AB-21 measures approximately 10 inches in length and 5 inches in width. It is made of durable materials that can withstand the rigors of heavy-duty use, ensuring long-lasting performance.
In conclusion, the AB-21 NOS Bendix High Retarder Coupling Automatic for Hub is a high-quality, reliable, and essential braking component for heavy-duty vehicles. Its automatic operation, high retarder capability, and durable construction make it an ideal choice for anyone looking to upgrade their vehicle's braking system.
Pros of buying Bendix High Retarder Coupling (AB-21):1. Enhanced Safety: Bendix high retarder couplings provide increased stopping power, reducing the risk of accidents due to sudden deceleration.
2. Improved Fuel Efficiency: By reducing the need for excessive braking, these couplings can help improve the fuel efficiency of your vehicle, leading to cost savings over time.
3. Durability: Bendix products are known for their durability and reliability, which means you can expect a long lifespan from your AB-21 coupling.
4. Easy Installation: The automatic feature of this coupling makes installation simpler and less time-consuming compared to manual-retarder couplings.
Cons of buying Bendix High Retarder Coupling (AB-21):1. Higher Initial Cost: Compared to manual retarder couplings, high retarder couplings like the AB-21 tend to be more expensive due to their additional features and higher manufacturing cost.
2. Potential for Maintenance: Although they are durable, high retarder couplings may require more frequent maintenance, especially if the vehicle is used heavily or in harsh conditions.
3. Compatibility Issues: Ensure that the AB-21 is compatible with your specific vehicle before purchasing, as not all vehicles can accommodate this type of coupling.
Conclusion:While the Bendix High Retarder Coupling (AB-21) may come with a higher upfront cost, the safety and fuel efficiency benefits it offers can make it a worthwhile investment, especially for vehicles that are used heavily or travel long distances. However, it's essential to consider your vehicle's specific needs and budget before making a purchase. If the AB-21 is compatible with your vehicle and you can afford the initial cost, its enhanced safety and potential cost savings in the long run may make it a valuable addition to your vehicle.
This is a new old stock Bendix AB-21 high speed retarder coupling for automatic 2 hubs. Schwinn among other companies used the automatic or kick-back hub for a number of years. This part works on all three model's of automatic 2 speed hub the yellow band, red and blue band. Buyer pays 3.