Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.
Free Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.
Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.
1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side.Final sales items or free gifts are not acceptable for a return.To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier. We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom
color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment.Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471
✅ About Sensor: Durability is important, that's why the Liangchi O2 sensor is made from high-temperature-resistant materials with a built-in heater to speed up the ignition, improve fuel efficiency, reduce harmful emissions, and prevent vibration and wire corrosion for a longer lifespan!
✅ Replace OE Number: Liangchi sensor de oxígeno Replace part number 15510 23143 OS5089 SG1849 234-4587 OS5073 ES20197 5S4393 23159 213-2965 23135 ES11003 ⚠NOTE: Please check the part numbers whether it suits your vehicle before purchasing
✅ About Installation: Step 1. Locate the oxygen sensor position and remove it with a socket, step 2. Compare the new sensor to the old sensor to ensure a proper installation, step3. Please clean the threaded port to ensure a proper seal of the new sensor, step 4. Gently tighten the sensor to keep the wire free from damage and avoid sensor leakage, step 5. reinstall the connector, and try to clear it if the car has diagnostic trouble codes
✅ About Selection: Please check the oxygen sensor plug before purchasing or use the year/brand/model and interchangeable part numbers to confirm compatibility, ⚠NOTE: Professional installation is highly recommended, professional tools are required and some models need to be programmed to match professionally to eliminate error codes.
Free Gift
Shipping Policy
Return Policy
