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
I saw the other review posted with a one star for this product. All I can say is that National Oil seals have always been one of the best seals I have used. This one is no exception to my past experience. The only tricky thing about replacing the pinion seal is to get the pinion preload back as close as possible to original. I kept track of how many turns it took to remove the pinion nut and used this number to get it back to original position after the seal was installed. Over-tightening or under-tightening are both very bad for your ring and pinion gears. Be sure to clean the yoke where the seal rides on it and use a new pinion nut.
The absolute best way to measure pinion preload is to remove the axles and ring gear. Then measure the torque needed to turn the pinion with an inch pound, beam style torque wrench. Don't over tighten the pinion nut because it has a crush sleeve inside. Tighten the nut in small increments and check with torque wrench to avoid this. I think a...
I always loved National parts but my XJ Classic Cherokee still has a leak after replacement. My Jeep has Chrysler 8.25" rear axle and there is no problem with the Yoke, axle or driveshaft. I wanted this part to work but it didn't, not this one. Work is done, my money is spent and I still have a leaky rear axle. Not recommended!
In response to K Anderson's review. I found this review very informative. Unlike most reviews that just say the part fit and quick shipping Mr. Anderson steps up and explains the actual installation of the item. This was very beneficial to me as I needed to change the rear pinion seal on my 99 XJ. His seal replacement procedure worked out great. Mine is in and all is well. It would be nice if more reviewers took the time Mr. Anderson did to share their experience with the rest of us fledgling mechanics.
The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.
Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
Please also note that certain items cannot be imported, these include Alcohol, Animals, Batteries, Flammable Materials, Currency, Food, Furs, Chemicals, Explosives, Medications, Plants, Seeds, Supplements, Pressurized Cans, Tactical Equipment, Vitamins, Weaponry and Weaponry Accessories. In these cases, the item and information is displayed for reference purposes only. If you are not sure if we are permitted to bring an item, please send us an e-mail with a link to the item to confirm.
Please also ensure that you are ordering the correct item for your particular application as returns to the USA are costly. Product reviews are also provided for most of our items, which can give you a good idea for possible things to look out for and the quality of the item. By clicking Add to Cart, you are confirming that the item is correct and you accept the conditions listed here.