Warranty Registration

Please complete the Initial Warranty registration for below. Renewal Warranties will be mailed to you, however, will be online later this year. Once you completed the Warranty Registration, you will be prompted to send in a copy of your receipt. You will be given several options for doing so.

For warranty coverage questions, please click here.

And thank you again for choosing Prolong® Super Lubricants!


Fields marked with a * are required

*The VIN Number is usually found at the bottom of the windshield and/or in the door jam and on your vehicle registration. Please enter all 17 digits.

By clicking the Submit button, you verify that you have properly installed, or had installed Prolong® Engine Treatment in the Vehicle on the date and at the odometer reading indicated above. You acknowledge and agree to the terms and conditions of the GoldenWest Lubricants, Inc. Limited Product Warranty. You understand that the GoldenWest Lubricants, Inc. Limited Product Warranty coverage will take effect only when the Vehicle has 1,000 miles added to the above stated odometer reading AND when 30 calendar days have lapsed from the date of installation of Prolong® Engine Treatment, provided that this Warranty Registration Online Form was completed and proof of purchase submitted within 30 calendar days from the installation date.

Remember: if you were unable to attach and submit your receipt above, you will be given instructions on how to submit your Prolong® Engine Treatment Purchase receipt on the next screen!