STOP!!! Please read this entire description before ordering!!!

Rear PTO seal kit includes aftermarket replacements for the RE13181/AT16431 seal, R33337 gasket and P50631 o-ring all of which are usually required to replace the rear PTO seal on the following tractors with 540/1000 PTO. 2520, late style 3020 (above s/n 123,000), late style 4020 (above 201,000), 4030, 4040, 4050, 4230, 4240, 4250, 4320, 4430, 4440, 4450. 

Please note if you have an early style 3020 (below serial number 123,000) or an early style 4020 (below serial number 201,000) this seal and oring will not fit. Please see my other auctions for the correct kit.