Replacement Front Wheel Caster Assembly compatible with iRobot Roomba E5 E6 i1 i1+ i2 i3 i3+ i4 i4+ i5 i5+ i6 i6+ i7 i7+ i8 i8+ j5 j5+ j6 j6+ j7 j7+ j8+ j9+ models Key benefits Restores smooth movement and steering: Replaces worn or damaged front caster to recover precise navigation and reliable floor contact. Reduces noise and drag: Smoothrolling wheel design helps eliminate scraping and resistance that slow cleaning cycles. Durable and reliable replacement: Built to match the original part size and fit for consistent performance during everyday use. Quick maintenance solution: Designed for easy removal and installation so your vacuum spends less time offline. What this part does This front wheel caster assembly supports the front of the robot, allowing it to roll, pivot, and keep stable contact with floors. When the original caster becomes worn, stuck, or noisy, replacing it fixes common issues such as tracking errors, stalling, and uneven cleaning. Compatibility Compatible with the following models for direct replacement: iRobot Roomba E5, E6, i1, i1+, i2, i3, i3+, i4, i4+, i5, i5+, i6, i6+, i7, i7+, i8, i8+, j5, j5+, j6, j6+, j7, j7+, j8+, j9+. Key attributes Function: Front caster wheel assembly that supports steering and stability. Fit: Designed to match original front caster dimensions for direct replacement. Construction: Durable, servicegrade components engineered for regular household use. Performance: Smooth rolling action restores mobility and reduces mechanical strain on drive systems. Practical use scenarios a noisy or stuck front wheel to restore normal navigation after the robot drags or stalls. Keep as a spare for routine maintenance to extend the operational life of your vacuum. Install when refurbishing a unit being prepared for resale or longterm storage to ensure reliable operation. Notes for installation Simple replacement procedure; minimal tools may be required depending on model. Inspect the mounting area and remove debris before installing the caster to ensure performance. This replacement caster provides a practical, modelspecific fix to common mobility problems so your vacuum cleans efficiently again.