Radiator cap for non pressurized systems. Fits on inside of neck. 2.108" tab to tab, 2.806" ID cap. Tractors: A, Super A, B, C, Early H, I4, I9, M, O4, O6, W4, W6, W9. Vintage IronProduct No. -- 43983D | UPC -- 758351957664 | Standard Pack -- 1 | Weight -- 1 lbs
