Fits: 2002-2006 Acura RSX K20A3 and 2002-2006 Honda Civic K20A3 SI/SiR Description: Used in good working shape this is OEM knock sensor from a 2004 Acura RSX K20A3 has average wear our item inventory number AB11 pictures shown are actual item you will receive FREE SHIPPING!!! Shipping: Shipping Price to Canada and US is FREE Free shipping only available to the Continental US and Canada (Not Hawaii, Alaska, or Puerto Rico) for a quote to these locations please email us your full address. Shipping from Canada to US takes 4-8 business days. Business days are counted Monday-Friday excluding Saturday, Sunday and applicable holidays. All items are shipped within 1 business and are insured for the final value, large Items are shipped with Purolator or UPS. Tracking information is automatically uploaded to your Paypal and account. Duty and brokerage are responsibility of the buyer. Terms and Conditions: Parts are used so wear and tear is expected. We try to point out any imperfections and use pictures to determine condition. Electronic sensors have all been tested and are in good working condition however, just like the dealership they have a no return policy. Any wear and tear items such as brake pads, bearings, gaskets etc. are not covered in any sort of warranty and should be replaced. Our interchange is only used as a guideline and not a guarantee. We suggest you use the actual year of the listed part to determine if it will fit your application. Additional Info: We are a new business and look forward to your positive feedback and strive for your satisfaction If you don't see an engine part listed don't hesitate to ask; we have plenty in stock! Returns: All returns are accepted up to 14 days after date of delivery for cash refund. Original shipping charges and return shipping charges are NOT refunded.. All returns have a 35% restocking fee. Customer pays return shipping. You need to have a return authorization by contacting us before you return the item. No return on electrical items.