The Briggs & Stratton 696854 oil filter can be used in a lot of riding mowers, including the Craftsman ZTS 6000. It also replaces the 795890 oil filter. You can find a long list of parts that this filter cross references with at OilFilter-CrossReference.com.
Here are some websites that sell the 696854 oil filter, along with their current prices (as of 4/14/14):
- JacksSmallEngines.com: $9.32
- Amazon.com: $9.82
- eReplacementParts.com: $11.51
- TractorSupply.com: $13.99
- Sears.com: $15.49