NGK Premium RX Spark Plugs for Swift ZC31S, BKR6ERX-11P (94915), Set of 4

A new design that delivers premium performance! Featuring a world-first new material, a ruthenium-infused center electrode, and a platinum-extruded, oval-shaped outer electrode. This next-generation premium plug delivers exceptional ignition, fuel economy, anti-fouling performance, and long life. Disclaimer We do not verify compatibility, so please check the OEM part number listed on the page. You can check the OEM part number at your dealer. As long as it matches the OEM part number listed on the page, it is generally a compatible part. If your part has been customized or modified in any way that affects the part, compatibility may differ even if the OEM part number matches. If you mistakenly purchased a product without checking the OEM part number, returns and exchanges will be governed by Amazon's return policy. See below for excerpts: - Unopened products: Return shipping charges apply. - Opened products: 50% refund. - Used products: No returns. In addition, we cannot guarantee any additional costs, such as labor, under any circumstances.