Delivers quality and reliable performance for every type of repair
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 70 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Most Helpful Customer Reviews
Excellent quality seal. Just like OEM. Took me about 15 minutes to change it.
Just had to set the e-brake, put the vehicle in neutral to make sure there was no load on the driveshaft, remove the driveshaft by removing the 4 bolts from the u-joint straps and slide the driveshaft out of the transfer case, and then, using a large flat-blade screwdriver and a hammer, knock out the old seal by tapping on the flange in alternating spots to work it out of the housing.
I expected to get some fluid out when the driveshaft was removed and the seal was pried out, but I got almost none. I know the transfer case is full because I just changed the fluid and I can touch it through the fill hole, so I guess it naturally sits below the level of the drive shaft, which is nice. The seal has a rubberized coating on the outer mating surface, so no sealant is required during installation. I just coated everything with AutoTrak fluid and carefully tapped the new seal into...
The seal for my truck from GM was $30 more than I paid for this seal.It is made very well so it doesn't look like there will be any issues. This part was for the transfer case rear out put tail shaft. I did add some high temp lube to the lip of the seal for proper lube of the slip yoke.
Seems very well made. Fixed up my Chevy truck's rear output seal on my 4x4 transfer case. 30 minute job (once you get a hold of the blue colored transfer case fluid).
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