237-2252 Bushing, On Boom at Swing Tower - Fits CAT 416B, 416C, 416D, 420D, 430DTwo New Aftermarket Replacement Bushings Fits Caterpillar (Fits CAT) Backhoe Loaders This listing is for two (2) aftermarket replacement bushings (237 2252) located on the boom at the swing tower pivot point of Fits Caterpillar backhoe loaders. This bushing maintains smooth pivot movement and reduces wear between the boom and swing frame at the high stress articulation point where the boom meets the swing tower. It is sold and required in a quantity