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Your cart is empty.National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today's vehicles.
Ridge runner
Reviewed in the United States on September 14, 2023
The seal works it fit well and does its job but used the seal installation tool
kcd
Reviewed in the United States on September 13, 2023
I'm doing the notorious "pump rub" fix on my 2003 Silverado 2500hd 4x4 8.1/Allison pickup and am replacing seals while I'm in there. I bought this seal TWICE to install on the transfer case front drive shaft output and BOTH times, the seal failed during install.The first time, I didn't get a proper seal press and just very gently tappy-tapped it into place with a hammer and a 3/8" extension like I usually do without issue. Once I got it seated, I noticed that there was some rubber "flash" that had come un-seated from the seal, rolled out, and was protruding from the shaft seal (obviously prone to leakage). I figured maybe I was just being a dingleberry installing it without a proper press, so I ordered a second one along with a proper seal press from Merchant Auto.I went to install the second one with tons of grease for lubrication and even pressure all the way around it using my Merchant Auto seal tool and I STILL found a SIGNIFICANT amount of rubber flash that had rolled under the sealing edge!Once again, I immediately yanked this thing out, sucked it up, and ordered a GM GENUINE 12474947 instead. These seals were nothing but a waste of time and money! VERY disappointed!
Jordan Coulas
Reviewed in Canada on June 14, 2019
Great seal fit perfect in the front of my transfer Case on my 05 GMC Sierra 2500hd
W
Reviewed in the United States on December 16, 2019
Loved
Craig
Reviewed in the United States on April 30, 2017
Not too bag of a job. Had a leaking front differential seal. Hardest part is removing the old seal.
Craig
Reviewed in the United States on September 19, 2016
Great Seal
C.Rooster
Reviewed in the United States on December 2, 2016
A+
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