Welcome to the Heiser Oil Company website. We are an independent AMSOIL dealer located in Blue Jay, California. We sell all AMSOIL products, and sell at competitive prices. We welcome you to look around the corporate store, and order either online, by email at This e-mail address is being protected from spambots, you need JavaScript enabled to view it or by phone, 909-327-5455. Our hours of operation are from 7:00 AM- 6:00 PM, Pacific Standard Time. Thanks for looking, and enjoy the site.

I have recently launched my online store, in order to better serve my customers.  You can find the store by clicking the Heiser Oil Logo below:

If you have any questions regarding an online order, please feel free to contact me at This e-mail address is being protected from spambots, you need JavaScript enabled to view it or 909-327-5455.  Stay tuned, as I am working with more vendors daily to sell their products, so the store will be changing constantly!

AMSOIL is a company of Firsts-

* First to develop an API-rated 100 percent synthetic motor oil.

* First to introduce the concept of "extended drain intervals" with a recommended 25,000-mile/1-year drain interval.

* First U.S. company to utilize the NOACK volatility test as a standard of performance excellence.

* First to produce synthetic motor oils for diesel engines, racing engines, turbo and marine engines.

* First to introduce synthetic oils that legitimately contribute to improving fuel efficiency.

* First to manufacture synthetic gear lube for automotive use

* First to manufacture a 100:1 pre-mix synthetic 2-cycle oil.

* First to manufacture a synthetic automatic transmission fluid (ATF) for automotive use.

Here at Heiser Oil, we have started to expand the lines of products that we carry, and we welcome Quadzilla Products.  Quadzilla does everything for the Big 3 diesel trucks.  Whether you want to go fast, or get better fuel mileage, Quadzilla has something for you.  If you have any needs for Diesel Performance, don't hesitate to give me a call or email, and I will get you a great price on some great diesel performance parts. 

Here at Heiser Oil, we only carry products that we use and we believe in.  We have also teamed up with JPCoolers, and offer ALL of their products.  This is THE best coolers out there, whether you own a JEEP, Rock crawling buggy, or just need a place to keep your drinks cold while going to the beach.  Contact me at This e-mail address is being protected from spambots, you need JavaScript enabled to view it for the best pricing on JPCoolers!

Heiser Oil is now officially a dealer for Great Lake Offroad Differential Covers!  After a little bit of time, I am now officially a dealer for Great Lake Offroad Differential covers.  These are some of the toughest diff covers on the market for the greatest price!  If you are looking for new diff covers, and some gear lube to replace the factory stuff that is on your vehicle, give me an email at This e-mail address is being protected from spambots, you need JavaScript enabled to view it and I will put together a package deal for you on both diff covers and gear lube packages.

Heiser Oil is now a dealer for VisionX Offroad lighting.  For the best in off road lighting, from Halogen, HID, or LED, let us here at Heiser Oil give you the best pricing on any VisionX Lighting Prices!

One last thing to mention.  There will be work going on with the website in the next few weeks, as I am getting ready to launch an entire online shopping cart.  Please excuse the mess while we get things going!

Thanks!

Scott Heiser, Owner-HeiserOil