Get a Complimentary Royal Purple Oil Filter with Oil Purchase

Get one Royal Purple oil filter at no charge for each five-quart, one-gallon container or six-quart case of Royal Purple motor oil you purchase. Offer good through June 15, 2014, while supplies last.

To take advantage of this special offer, simply add a Royal Purple oil filter along with an eligible container of Royal Purple motor oil to your Shopping Cart. Discount will be applied during Checkout.

This limited time offer only applies to products sold directly by, and does not apply to items sold by other merchants on the website. Offer good while supplies last. See complete details.