This Ferrari retaining-washer (SKU fe-204086) is a small but essential fastener that helps secure critical assemblies in high-performance engines and chassis systems. Designed to work with Ferrari components, it provides stable load distribution and helps prevent fasteners from loosening under vibration. The part is built to endure the demands of daily use and spirited driving, supporting reliable operation and long-term alignment of connected parts. Replacing worn or damaged washers with this authentic piece helps preserve performance, safety, and the smooth operation expected from a Ferrari. What is the retaining-washer? A retaining-washer is a small flat ring that works with bolts, nuts, or screws to hold components in proper alignment and to prevent fasteners from backing out under vibration. It serves as a simple, reliable load distributor, spreading clamping force across a joint and helping maintain the correct spacing between parts. In many automotive applications, including Ferrari systems, the retaining-washer plays a key role in securing assemblies where movement or looseness could impact performance. Why is the retaining-washer Important? Over time, vibration, thermal cycling, and wear can cause fasteners to loosen and joints to shift. A fresh retaining-washer ensures consistent clamping force, protects threads from abrasion, and reduces the risk of gaps or misalignment that can lead to leaks, noise, or reduced efficiency. Replacing a worn or damaged washer helps maintain joint integrity, preserve seal and bearing alignment, and support predictable operation across driving conditions. Using the correct washer also simplifies future maintenance by preserving the intended assembly geometry. Installation Guide & Support Installation is straightforward: inspect the mounting point for damage, remove the old washer if present, clean mating surfaces, place the retaining-washer so it seats flat against the part, insert the fastener, and tighten to the vehicle manufacturer’s recommended torque. Ensure the washer lies flush and does not bind during rotation. After assembly, check for proper engagement and operation. For fitment questions, torque guidance, or if you need assistance with SKU fe-204086, contact our support resources and reference the product details for Ferrari applications. At SparesUSA.net, we specialize in providing high-quality automotive spare parts for some of the world’s most iconic luxury and performance brands, Ferrari, Maserati, Lamborghini, and Bentley. With years of expertise and a passion for precision, we offer a wide range of OEM parts, ensuring your prized vehicle runs at its best. We understand that maintaining these prestigious cars requires the right parts, and our inventory is carefully curated to meet the highest standards of quality and performance. From hard-to-find engine components to essential body parts, suspension parts, or electrical systems, SparesUSA.net is your trusted source for all your automotive needs. Our commitment to customer satisfaction extends beyond just supplying parts — we offer fast, reliable shipping worldwide to ensure that no matter where you are, you have access to the best in automotive parts. With a focus on excellence, authenticity, and exceptional customer service, SparesUSA.net is proud to serve car enthusiasts, collectors, and professionals around the globe. Let us help you keep your luxury vehicle performing at the highest level. Register your account on the site and let's find the right setup for your company. You may be interested in: Genuine parts for Ferrari Genuine parts for Bentley Genuine parts for Maserati Genuine parts for Lamborghini Contact Make sure that you buy the right part for your vehicle. If you have any questions about the retaining-washer, then you can always send an e-mail or call us.