guarantees
n. countablen. promises that something will happen or that a product will work well. If the product breaks, these promises often mean you can get your money back.
n. formal assurances, typically in writing, that certain conditions will be fulfilled or that a product will meet a specified standard. Often carries a legal or financial obligation to repair or replace a defective item.
The new car comes with several guarantees.
Most customers prefer to buy electronics from established brands because they offer better guarantees on parts and labor.
While the treaty provides certain security guarantees, it lacks a clear enforcement mechanism should one of the signatories fail to uphold their end of the agreement.
Often takes the preposition 'on' or 'of' ('guarantees on quality', 'guarantees of success').
The shop gave me a 2-year guarantee for the phone.The shop gave me a 2-year guarantee on the phone.When referring to a product warranty, the standard preposition is 'on', not 'for'.