1、Applicable Model: The primary drive clutch assembly is for Maverick X3 800R Defender HD8 HD9 HD10. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、OE Number: The part numbers for reference are 420280461, 420280725, 420280813, 420280816, 420280595, 420280596, 420280811, 420280605, 420280662, 420280746, 420280609, 420280466, 420280598. 3、Enhanced Performance: The primary drive clutch achieves fast clutch through precise rotation, making the driving smoother. It can effectively improve the climbing force, strengthen the braking, and provide a better driving experience. 4、Efficient Operation: The primary drive clutch features an efficient operation which decreases wear on your vehicle and extends its service life. Saving you the time and cost of frequent repairs. 5、Sturdy Construction: The turbo primary drive clutch is made of sturdy and reliable alloy steel, high strength and rust resistant, ensuring long lasting and stable performance. It also easy to install with no complicated tools required.