1Part Number: Front brake wheel cylinder replacement part number is 45330 HC5 006, 45370 HC5 971 for reference, please double check the part number before purchasing. 2Ideal Application: The brake wheel cylinder is especially designed replacement for TRX300FW Fourtrax 300 4x4 1993?2000 Atv, high accuracy, well and truly meeting your demands. 3Powerful Function: Professionally designed to repair and upgrade for the original front wheel brake cylinder, bringing excellent braking performance to improve the driving security. 4Durable Materials: Brake wheel cylinder set is made of metal alloy and rubber materials for maximum durability and stable performance, not easy to damage. 5Professional Production: Front wheel brake cylinder has undergone extensive quality and safety testing to ensure high efficiency, long service life and strong reliability.