
115mm diameter 2V pulley (previously 121mm). 28mm diameter centre flange. 4x52mm fan bolt centres. 38mm OD hose tail. 16mm OD rear hose tail.
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Yangdong Y4100D / Y4102D / Y4105D. 115mm OD, 1 V pulley. 28mm bypass hose tail. 38mm inlet...
115mm diameter 2V pulley (previously 121mm). 28mm diameter centre flange. 4x52mm fan bolt centres. 38mm OD hose tail. 16mm OD rear hose tail.