Cotter bucket lock with reference number 11438429, 4806257 fits for instance L180H s/n 13001-13098, 3003-4495, 8001-8067, L180C, L220H s/n 2735-4999, 5001-6999, 7272-9999, 12104-13999, 2691. See all compatible models under the Fits to tab.