Front Strut Coil Spring Control Arms Assembly For 2013-2017 sedan Application: Make + Model Year Specific Details for 2013-2017 sedan Package Includes: 1x Front Driver Side Strut with Coil Spring Assembly 1x Front Passenger Side Strut with Coil Spring Assembly 1x Front Lower Control Arm with Ball Joint Assembly - Driver Side 1x Front Lower Control Arm with Ball Joint Assembly - Passenger Side 1x Front Stabilizer Sway Bar End Link - Driver Side 1x Front Stabilizer Sway Bar End Link - Passenger Side OE Numbers: 526-873, MS301171, CMS301171, K622839, RK622839, 2607345, 172902 526-874, MS301170, CMS301170, K622838, RK622838, 2607344, 172901 580-308, K750283, 2653068, 536-154, 545003TA0B, 545003TA0A, 11633 545013TA0B, 545013TA0A, K750282, 2653067, 11634 Features: Uses damping oil designed to maintain stable shock absorber function from -40°C to 80°C.Damping oil is tested in laboratory conditions for viscosity, density, and low temperature functionality to batch consistency.Thicker strut tube and reinforced spring provide increased structural intensity.Spring undergoes over 600, 000 cycles of continuous fatigue testing to verify tensile strength.Installation dimensions are precisely controlled to fitment compatibility.Spring extension and compression length match specifications, maintaining factory stroke.Damper assembly completes 3, 000, 000 fatigue cycles with no oil leakage and damping force decay not exceeding 20%.Welded bracket withstands 400, 000 test cycles under 0.8MPa tensile pressure to validate.mount endures 300, 000 test cycles without fracture.Rigid mounting system helps reduce vibration and noise generated during shock absorber.Components are subject to comprehensive material inspection with seven manufacturing quality checkpoints to maintain product integrity.Eco-friendly packaging materials are used in line with sustainable development practices.Each strut assembly is engineered to meet OE specifications and ISO quality standards, and is factory tested for function and function to compatibility with specific vehicle models.Designed to reduce body bumps and vibrations, contributing to a smoother suspension system for improved driving stability and comfort.Effectively reduces vehicle noise and enhances overall ride quality.