All parts that spin or rotate need lubrication, or else they tend to heat up very quickly. The downside to lubrication is that if you put liquid on anything spinning, it tends to fly off in all directions-and nobody wants a mess. A pinion seal keeps that mess at bay, all the while keeping your pinion gear fully lubricated. If you have to change yours out, and staunch the leak that is messing up your garage and getting the missus angry, read on.
Shape, size, and form
When it comes to choosing a pinion seal for your ride, the most important thing to note is that it is closely tied with the specific specifications of your pinion gear. In particular, you need to look at the bore, the width, the shaft, and the outer diameter. Too "off" a set of measurements could mean that it might not fit or-even if it does fit-it won't be effective at providing a secure seal.
Two methods to matching
There are two ways to match that you can turn to that helps determine sureness fit:
- Look for the part number or manufacturer's number for your seal. You can find this information in the owner's manual or, sometimes, the part itself. It helps you to find a perfect match because you can give this number to a dealer or use it when you search online.
- Speaking of "online", the second option is to shop online. A lot of the sites up and out there have very specialized search software that lets you specify your vehicle's exact year, make, and model-it will then only give you results that are specific to your needs.
*Caution* Sometimes, results from searches aren't as specific as we want them to be. It always pays to be a smart shopper. Verify all that data that you get from an online retailer against what you need. This kind of double-checking helps to minimize the chances that you end up getting the wrong product!
The final word
There are two final things that you cannot overlook. The first is location. Are you trying to replace the front or rear pinion seal? These are very different from one another, so make sure you check. The second thing is price. A good-quality pinion seal will set you back between $10-15 on average-any more is overspending, any less might be of questionable quality.