1.   And Goodyear is selling more replacement tires through mass merchandisers like Wal-Mart Stores, which are sticklers for striking tough bargains on prices.

2.   As consumers look for alternatives as replacement tires, other manufacturers find that this windfall of sales has left them unable to respond to the unexpected demand.

3.   Beginning next year, the company will produce several sizes of the extended-mobility tires as replacement tires for regular and high-performance vehicles.

4.   Besides increased sales of replacement tires, sales to car makers have risen by reducing tire production cycle times and by developments in research and development, he said.

5.   But it then allowed customers across the country to pull into Firestone tire centers and have replacement tires from Firestone and other manufacturers put on at no cost.

6.   But replacement tires will remain scarce until at least early September, he said.

7.   For now, the agreement with Sumitomo covers low-technology replacement tires for cars and light trucks.

8.   Get in touch with your retailer to reserve a set of replacement tires.

9.   However, replacement tires tend to have greater friction with road surfaces, Doniger said.

10.   It is airlifting replacement tires from its factories in Japan, and its nonunion factory in Wilson, N.C., is making replacement tires for sport utility vehicles.