Auto-Rx® is formulated to clean engine internals, transmissions, power steering, differentials, and rotational seals. Auto-Rx® can also take care of sludge/heavy oil burning. If your engine or transmission needs internal cleaning or you need to stop a leak, you have come to the right place. WE ARE THE EXPERTS!   Auto-Rx® is a clean-as-you-drive product. Auto-Rx® is added to the host motor oil and slowly dissolves contaminants from ring packs, cam lobes, and other high-friction areas.
AUTO-Rx Videos on YouTube.com VIEW OUR VIDEOS ON ENGINE SLUDGE and TRANSMISSIONS

CAN AUTO-RX® SAVE MY MOTOR FROM SLUDGE? Read more....

CAN AUTO-RX® SAVE MY TRANSMISSION FROM A REBUILD? Read more....


See the Results Yourself

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Customer Testimonials

Auto-Rx® Tests

Auto-Rx® Test on Honda Civic DX

"My fiancée's car (1991 Honda Civic DX) began to get a very bad rough idle about 6-8 months ago, so I began to add some Marvel Mystery Oil (MMO) in the oil for....
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Auto-Rx® Dose for Extended Engine Performance in Mobil 1 - Test was performed to determine effectiveness and compatibility of the extended engine performance dose of Auto-Rx® in an extended oil drain....
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Auto-Rx® Extended Engine Performance in a SAAB 9-5 - In November 2005, I purchased a used 2001 SAAB 9-5. Having a bit of experience with SAABs (my last car was a 1997 SAAB 900 turbo), I knew this...
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