2pcs Rear Left Right Electric Liftgate Trunk Strut 1551488-99-B 1551488-00-C 1551488-98-B For 2021-2023 Model 3 Upgrade the trunk of your Model 3 with this set of dual-action electric liftgate trunk struts.Designed for smooth and performance, these struts assist in both and closing the rear liftgate, providing convenience when loading or unloading cargo.Constructed from grade aluminum, they offer durability and resistance to wear.The system supports both powered and manual , allowing flexibility based on user preference. These struts are engineered specifically for compatibility with 2021–2023 Model 3 vehicles.They correspond to part numbers 1551488-99-B, 1551488-00-C, 1551488-98-B, 1551489-00-B, and 1091560-00-B, proper fitment.Installation is straightforward, with clear instructions included to guide setup.Each package contains one left-hand power strut and one right-hand gas strut, completing the trunk support system. The design enhances daily usability by maintaining consistent liftgate movement and contributing to long-term vehicle functionality. This is a non-OEM replacement.Any mention of brand names is strictly for compatibility clarification.