09 Design RDU Fill Plug – Ford Focus RS Mk3 Keep your Rear Drive Unit service simple and secure. This 09 Design fill plug is a direct replacement for the factory unit, machined from quality billet aluminium for a precise fit and clean sealing surface. It pairs perfectly with the 09 Design magnetic drain plug for a complete RDU oil service. Supplied with a new crush washer for a fresh, leak-free seal at every install. Billet aluminium construction for strength and corrosion resistance Easy, direct-fit replacement for the Focus RS Mk3 RDU fill port Includes new crush washer to ensure proper sealing Fitment Designed for Ford Focus RS Mk3 (2016-2018) Rear Drive Unit. Please use our vehicle lookup or see the Vehicle Fitment tab to confirm compatibility with your car. Installation notes Allow the RDU to cool before working. Clean the area around the fill port to keep debris out. Lightly oil the new crush washer and tighten the plug to the correct Ford torque spec. Do not over-tighten as this can damage the housing. Always refill with the correct RDU oil to the specified level. What it does: provides a reliable, service-friendly fill point that resists corrosion and helps prevent leaks, making routine RDU oil changes straightforward and consistent. Additional Information Weight 0.1 kg Brand ZERONINE Design
