Number matching relates to the dates, casting numbers, model numbers, VIN numbers, stamped numbers, or codes that can be found on the major components, such as the engine, transmission and rear-axle assembly. These numbers should be correct if the car is to be considered a number matching car.

Your login name for all sections that require a login should be your e-mail address. This includes: Store, Classifieds, Forums, and Registry.

You may also need to make sure that cookies are enabled in your browser. For more information on how to enable cookies, please reference your browser's help menu.

If you have forgotton your password please go to the specific section of the website you are trying to login to. At the login screen you should see certain steps for a forgotton password retrieval.

Posting classified ads are free.

Classified ads are time sensitive in nature, and we do not archive them on the site.

Listings on our site come from vendors and regular visitors to our site alike.

This is up to both you and the seller to come to an agreement on what you're comfortable with. We recommend PayPal.

Part of our goal here is to reunite original engines and parts with original cars. It is the first ever, industry-leading directory of cars and parts that are out there, both available for sale and for reference purposes.

If you need to return or exchange an item, please call for a Return Authorization Number. We will accept returns within 30 days of delivery on defective merchandise. All new merchandise can be returned within 15 days of delivery. All merchandise must be in the original condition in which it was sent to you.

If your shipment was damaged, we will issue you a return authorization to ship the damaged part back to us. We will then send out a replacement item as soon as it is available to us.

The customer is responsible for any shipping costs that are required to get the product back to us. The customer must also include an email from NumberMatching giving permission for the return.

Yes. If you purchased the wrong product, we'll be glad to exchange the right piece for you. Please send us an E-Mail to let us know about the situation and we'll help you get the right product in your hands as soon as possible.

Restocking fees are based on the item. Some items may be shipped from other vendors, and you would be responsible for any charges that we incur returning your item to them.

You can change an order at any time before it ships.

Yes. You can cancel items from an order provided that it has not yet shipped. Please contact us with your order number to change your order. We take these requests with high priority to make sure that you are satisfied with your shopping experience.

We use UPS to ship products to you. UPS provides us with a chart to determine shipping rates based on the weight and size of your package.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Shipping date estimates will appear in the order form. After placing your order, you will see both shipping and delivery date estimates in the order confirmation E-Mail.

We ship to anywhere in the United States and Canada. On a case by case basis, we can ship to other locations, but you will need to contact us before proceeding with such an order.

Numbermatching.com always strives to uphold the highest standards of customer service. If your question wasn't answered here, we encourage you to contact us with your question. We will answer your question as soon as possible.