H206716 Retainer; Concave Latch MechanismOne New Aftermarket Replacement Concave Latch Mechanism Retainer Fits John Deere Combines This retainer is a component of the concave latch mechanism on Fits John Deere STS and S Series combine harvesters. It works in conjunction with the concave latch handle to secure and release the concave assembly during threshing system adjustments. Keeping this small but critical retainer in good condition helps maintain proper concave positioning and prevents