Original quality heater hose with OE part number 64216928591, a key heating and cooling system part for BMW. Adopting high-grade multi-layer reinforced EPDM rubber, this heater hose owns outstanding high temperature resistance, pressure resistance, anti-corrosion and long-term anti-aging performance. It stably copes with high temperature and frequent temperature changes inside the engine compartment, maintaining good flexibility and sealing, and effectively preventing cracking, hardening and coolant leakage.Produced in strict accordance with original OEM standards, with precise dimensions and accurate connector position for seamless installation and tight connection. It ensures smooth circulation of heating coolant, guarantees normal operation of the vehicle heating system, and avoids poor heating performance and pipeline leakage failure.Direct plug-and-play installation without modification, ideal replacement for aging, brittle and damaged original heater hoses. With original-level quality, exquisite workmanship and reliable durability, it is perfect for daily maintenance, repair and aftermarket wholesale for BMW models.

OE NO.	6421 6928 591
Item Name	Heater hoses
Brand Name	Boigevis
Applicable Model	for BMW
Warranty	12 months