Replacement Part Numbers:31400429, PR-31400429, 24.6282-2001.3 1070228Wide Vehicle Compatibility: Fits for 2016-2026 Volvo SPA and CMA platform models equipped with electronic parking brake. On SPA platform vehicles (XC90, XC60, S90, V90, S60, V60): Fits right side (passenger side) rear calipers. On CMA platform vehicles (C40, XC40, Polestar 2): Fits left side (driver side) rear calipers. Compatible with various trims across XC60 (2018-2026), XC90 (2016-2026), S60 (2019-2026), V60 (2019-2026), V60 Cross Country, S90 (2017-2026), V90, V90 Cross Country, C40, and Polestar 2. For the opposite side, use part number 31400426.Precision Electric Motor & Restored Functionality: This electronic parking brake (EPB) motor features a durable electric motor and internal gear mechanism that delivers precise brake application and release. It resolves common failing actuator symptoms including parking brake failure to engage or release, EPB warning light on dashboard, grinding noise from rear caliper area, and "Parking Brake Malfunction" or "Parking Brake Service Required" error messages, restoring proper EPB operation for safe and reliable vehicle parking.Plug-and-Play Installation: Direct bolt-on replacement with factory electrical connector. Installation requires removal of the rear brake caliper and actuator assembly. IMPORTANT: Before installation, the parking brake MUST be placed into "Service Mode" or "Pad Replacement Mode" using a compatible diagnostic tool (e.g., VIDA, iCarsoft, or advanced OBD scanner). Failure to retract the EPB motor electronically may damage the new actuator or the caliper piston.Quality Assured: Built with durable materials and rigorously tested to ensure reliable, long-lasting performance. Weighs approximately 2.3 kg (5.1 lbs). If you encounter any issues during shopping or have questions about compatibility, please contact us promptly through Amazon Buyer-Seller Messaging.