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Frequently asked questions
How do I use a The Radiator Warehouse promo code?
Copy the code from any offer above, then paste it into the promo code or discount field during checkout at The Radiator Warehouse. Codes are checked before they're published, but retailers can end a promotion at any time — if one doesn't apply, try another code on this page.
Can I use more than one code on the same order?
Generally, no. The Radiator Warehouse, like most stores, caps checkout at a single promo code — trying to stack a second one usually just gets ignored.
How often are The Radiator Warehouse codes updated?
This page is checked periodically rather than on a fixed schedule — codes that stop working get flagged and removed, and new ones get added as they're found.