Description
Product Overview
The RLB-HILON Rear Driveshaft Rubber Boot is engineered to protect the rear driveshaft of a variety of Ford trucks from dirt, moisture, and road debris. Constructed from high‑quality, oil‑resistant rubber, the boot offers excellent flexibility and durability, matching the original equipment manufacturer (OEM) specifications for fit and performance. Key specifications include a weight of 6.7 ounces, compact package dimensions of 4.17 x 3.94 x 3.11 inches, and a size opening of 1 ¼ by 1 11/16 inches. It is identified by the part number F‑490 and is compatible with OEM part number F81Z‑4421‑CA.
Usage
Designed for Ford F‑Series trucks, this boot fits models such as the F150 (2002‑2003), F250/F350 (1995‑1997), and Super Duty series (1999‑2016). It is ideal for both professional mechanics and DIY enthusiasts who need a reliable replacement for a cracked or missing boot. Installation is straightforward: simply slide the boot over the driveshaft joint, ensuring the opening aligns with the shaft, and secure it with the factory‑provided clamps. 
Why Choose Us
RLB-HILON is a trusted name in automotive components, known for rigorous quality control and precise engineering. Each boot undergoes a multi‑stage testing process to verify resistance to temperature extremes, oil exposure, and mechanical stress. Our commitment to OEM‑level fit means you won’t need additional modifications, reducing installation time and potential errors. With a 4.5‑star rating from verified customers, this product demonstrates consistent performance and satisfaction.
Key Features
- Premium rubber construction offers superior wear resistance and flexibility.
- Exact OEM fit for Ford part F81Z‑4421‑CA, covering a broad range of F‑Series models.
- Easy installation with pre‑molded openings and factory‑grade clamps.
- Protects against dirt, water, and road salt, extending driveshaft life.
- Backed by a 4.5‑star rating and rigorous quality testing.
FAQ
What vehicles are compatible with this boot?
The boot fits Ford F150 (2002‑2003), F250/F350 (1995‑1997), and Super Duty models from 1999‑2016, matching OEM part number F81Z‑4421‑CA.
Is the rubber material oil‑resistant?
Yes, the boot is made from oil‑resistant rubber that maintains flexibility and sealing performance even when exposed to engine fluids.
Can I install this boot myself?
Absolutely. The boot is designed for straightforward installation with no special tools required beyond basic hand tools and the supplied clamps.
What is the warranty on this product?
RLB‑HILON offers a one‑year limited warranty covering manufacturing defects and material failures.
How do I verify the correct size before ordering?
Check the size opening (1 ¼ by 1 11/16 inches) against your vehicle’s existing boot or consult the vehicle’s service manual. If in doubt, compare the photo provided in the listing with your current part.





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