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The HKS hose nipple 4mm pair includes two 4mm hose nipples offered as replacement hardware for small-diameter hose connections. Sold in pairs, these nipples provide a secure interface for 4mm hoses where original fittings have failed or are being replaced. They support routine maintenance and simple hose routing tasks without altering the underlying system design.
HKS Hose Nipple 4mm (2pcs)
