Step 1: Identify the Emissions Level
Is your vehicle California or Federal emissions compliant?
Identify the emissions level using the vehicle emissions tag located in the engine compartment of your vehicle.
Step 2: FEDERAL, CA, NY
If your vehicle is Federal, use:
Heavy metal grade OBDII or OEM Grade OBDII, depending on the emissions level of your vehicle.
If your vehicle is CA or NY, note:
All* California vehicles require a California compliant catalytic converter
* NY varies by vehicle year
Learn more at
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OBDII & 1996 and newer vehicles only
Not all products advertised are available at all stores. If an item is temporarily unavailable or in transition we will offer you a comparable product and/or priced item or a rain check. We will not issue rain checks for clearance items or items marked "While Supplies Last". All special offers have limits that apply. Items purchased up to stated limits are at coupon/offer price and thereafter at everyday low price. We reserve the right to limit quantities on all products and offers. All prices in advertisements are sale prices, unless otherwise specified, and may extend beyond the stated period. Prices are subject to stocking items only. Ad prices not applicable to special orders unless otherwise noted. You may call 1-888-OREILLY to obtain information on the store nearest you in order to inquire about product availability. Not responsible for typographical errors or omissions. Oil prices include $.04 per quart California oil reclamation enhancement act tax (in California stores only).