6.0 w/Harness Knock Sensor Compatible for Chevy GMC Silverado Sierra for Cadillac 5.3L

Maxpeedingrodsus.com is committed to providing all customers with high-quality and competitive products. We accept returns or exchanges within 30 days. No refund required, we guarantee a refund within 15 working days after receiving the return. We hope you are satisfied with your purchase. We hope you are 100% satisfied with the products you get. Your 100% satisfaction is our top priority.

If you are not satisfied with the purchase, please contact us at any time from Monday to Friday within 15 days after receiving the goods. We will provide the return shipping address, and you will get a refund within 3-5 working days after receiving the return.

All returned items must be in new condition, unused, and with original labels and packaging.

Any product used requires a purchase fee. The percentage of purchase cost will depend on the condition of the returned product. Defective products can be replaced free of charge, and no purchase fees are charged.
Reasons you may want to return:

1. Item quality issues:
1) Buyers need to provide pictures or videos to show the problem.
2) The return freight is borne by the buyer.
3) Please allow us to issue a replacement or refund within the processing time of 2-3 weeks. Our mechanic will check all returned items. After inspection, if it is a manufacturing defect, you will be replaced or refunded within 24 hours.
4) If you are not satisfied with our products, please contact us before leaving any comment. We are committed to ensuring that you will receive the highest quality products and services.

2. You bought the wrong item:
1) A 15% purchase fee will be charged.
2) The return freight is borne by the buyer.
3) Shipping and handling fees are not refundable.
4) The buyer must contact the sales representative within 14 days after the arrival of the goods.
5) The returned goods must be brand new and unused, with original labels and packaging. Any products that have been used are not eligible for return or exchange.

3. You don't want the item:
4.1) A 15% purchase fee will be charged.
2) The return freight is borne by the buyer.
3) Shipping and handling fees are not refundable
4) The buyer must contact the sales representative within 14 days after the arrival of the goods
5) The returned goods must be brand new and unused, with original labels and packaging. Any products that have been used are not eligible for return or exchange.

4. Transport damage:
We only use Parcel Force, Royal Mail, DPD, UPS, FedEx, and DHL top service transportation companies. Please check the package upon arrival. Please do not sign on the packaging. You are responsible for signing the delivery note yourself and inspecting the package before signing for any items. If damage to the packaging is found, please ask the delivery personnel to immediately file a claim for damage to the package. In addition, please provide your shipping damage case number, and we will help you get compensation from the shipping company as soon as possible.

5. We sent the wrong item
1) The returned goods must be kept in the original state.
2) The buyer must contact the sales representative within 7 days after the arrival of the goods
3) Once we receive the returned item, we will be responsible for returning you a full refund or sending you a new product.
If the return is caused by the consumer, the consumer shall bear the freight. The specific cost should be calculated according to the courier company you choose.
If due to our reasons, the received goods are damaged or incorrect, therefore, consumers do not need to bear the freight. When returning the product, the consumer will not be charged for the purchase.