SALE Quick view JD Radiator Cap AB1621R This is a Brand New radiator cap for John Deere tractors. This is used on models A, B, D, G, R, and 60, *This is the basic cap with NO spring* Replaces JD part number AB1621R. Thanks For Your Business!! 1406-5900 MSRP: Was: $28.60 Now: $19.03 Add to Cart Compare