Re-Power Tune-Up Kit CS-370, CS-400, For Use With Grainger Item Number 44X157, 44X156, 44X158, 44X159, For Use With Mfr. Model Number CS-370-16C, CS-370-16, CS-400-18, CS-400-18C, Fits Brand Echo, Includes Fuel Filter, Air Filter, Spark Plug
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.