1/8" NPT female to 1/4" Tubing female: JJS8531
W6 Tractors With Carb # 50983D & Throttle Body # 8557D or 8867D
This Cap does NOT fit distributors or magnetos built by Autolite or International
For negative ground systems only
Vertical Muffler Fits John Deere 1020 1520 1530 2020 2240 2640 Tractors AT21689 Carburetor 1/8" NPT female to 1/4"Quality Aftermarket Muffler Fits John Deere 820 3 cyl., 830 3 cyl., 1020, 1520, 1530, 2020, 2030, 2040, 2130, 2240, 2630 gas, diesel; 2640 gas, diesel (oval style); (JD Industrial: 300, 400, 301, 302, 380, 401 Gas & Diesel, Industrial) Tractors Specifications 2"" inlet length 2 1 2"" inlet inside diameter 19 1 2"" shell length 7 3 4"" outlet length 2"" outlet outside diameter 30"" overall length Replacement Numbers AT21689, AT64102