Start the New Year Right SaleAll US orders are shipped FREE via UPS Ground; Canada orders are by US Post Office; all other international orders are by DHL, UPS, or FedEx. Where possible, you will receive a confirmation email with tracking after 6 pm (ET) on the day the order is shipped. If you do not receive the confirmation email or have questions about your order, CLICK HERE or call 352-787-1311. See chart below for pricing and volume discounts. ALL DISCOUNTS will automatically be calculated at checkout.

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Auto-Rx® Engine Cleaner (12 fl.oz.)
Auto-Rx® is guaranteed to clean your internal engine parts. We work on the honor system; we hope you do, too. Call us if you need help: 904-273-9098.
  • Print the application that fits your problem. Follow the application instructions fully. DO NOT SKIP ANY DETAIL.
  • If both of us can't get it right, the purchase price of your Auto-Rx® (less shipping) will be refunded.

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Special Offers (all prices in U.S. Dollars)
1 bottle $26.97 each
2 bottles $22.97 each ($45.94 total - Save $8.00 off list price)
3 bottles $21.77 each ($65.31 total - Save $15.60 off list price)
4 bottles $21.27 each ($85.08 total - Save $22.80 off list price)
5 bottles $20.77 each ($103.85 total - Save $31.00 off list price)
6 bottles $20.47 each ($122.82 total - Save $39.00 off list price)
7 bottles $20.27 each ($141.89 total - Save $46.90 off list price)
8 bottles $20.02 each ($160.16 total - Save $55.60 off list price)
9 bottles $19.88 each ($178.98 total - Save $63.74 off list price)
10 bottles $19.77 each ($197.70 total - Save $72.00 off list price)
Customer Testimonials
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 Maintenance Dose in Mobil 1

Test was performed to determine effective- ness and compatibility of the maintenance dose of Auto-Rx in an extended oil drain. To view the....
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Auto-Rx Maintenance Program 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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