6-Volt Generator Relay – 36-57 Big Twin / 54-57 XL

6-Volt Generator Relay – 36-57 Big Twin / 54-57 XL 6-volt design Includes a chrome cover Replacement OEM : 74750-38 Fitment:  36-57 Big Twin, 54-57 XL  1938-1947 Harley-Davidson Knucklehead EL 1941-1947 Harley-Davidson Knucklehead FL 1948 Harley-Davidson FL 1949-1951, 1953-1957 Harley-Davidson Hydra Glide FL 1949-1957 Harley-Davidson Hydra Glide EL 1954-1956 Harley-Davidson Model KH 900 KH 1954-1956 Harley-Davidson Model KHK 900 KHK 1957 Harley-Davidson Sportster 900 XLH