Trying to find grass bagger for 2003 craftsman LT2000 lawn tractor 22 HP with 42" deck or cross ref bagger #'s 24979/24989. What other baggers may fit .

Substitute parts are available at Parts & Accessories | Shop & Find Lawn & Garden, Appliance Parts at Sears Parts Direct | SearsPartsDirect.com from Sears

I checked for both part numbers. I didn't cross check by model.

Go to sears.com and see if you can find your answer there.