Spec: Unit Type: Fan Motor Assy, Voltage: 12, Rotation: CW Replaces OEM Numbers: ALL BALLS: 70-1028, ARROWHEAD: RFM0019, J & N: 434-58006, TUCKER ROCKY: 463745, YAMAHA: 5ND-E2405-00-00, 5ND-E2405-01-00 Compatible With/Replacement For: YAMAHA: Grizzly 400 4WD Hunter YFM40FBH 2007-2008, Grizzly 400 4WD IRS Hunter YFM40FBH 2007, Grizzly 400 4WD IRS YFM40FB 2007, Grizzly 400 4WD YFM40FB 2007-2008, Grizzly 450 4WD YFM450DE 2014, Grizzly 450 4WD YFM45FG 2007-2013, Grizzly 450 EPS 4WD Hunter YFM450PHEH 2014, Grizzly 450 EPS 4WD Hunter YFM45FGPH 2011-2013, Grizzly 450 EPS 4WD YFM450PE 2014, Grizzly 450 EPS 4WD YFM45FGP 2011-2013 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement. 100% New aftermarket Fan Motor Assy built to meet OEM specifications for Yamaha