UJD31591 Premium Carburetor Kit---Replaces R8301

Replaces number R8301

Fits: 4000, 4010, 4020

For Zenith Carburetor Numbers: 13320, 13326, 13430, 13450, 14990 (6-Cyl JD Only),
15099 (6-Cyl JD Only), 15108 (JD Only)

Includes Basic Kit, plus Fuel & Air Adjusting Screws & Jets, when available