Will fit other models of big twins. Flathead Knucklehead Panhead Shovelhead Ironhead.VL UL EL FL WR WL WLA FX FXE FXS FXWG XL XLH XLCH. The item "Harley Davidson 1946-1947 Big Twin Knucklehead Oil Pump Body" is in sale since Tuesday, January 19, 2021. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Antique, Vintage, Historic". The seller is "djp210" and is located in Long Beach, California. This item can be shipped worldwide.