The dryer has run fine for years, but stopped heating up and drying clothes yesterday. Everything else seems fine as the timer is still working and the drum still tumbling, but clothes are juts air drying as there is no heat being produced. Trying to determnine the best plan of attack. If it is simple and faily cheap, I will repair. If involved and expensive, I will buy new. PLease advise. Thanks for the assistance.

Hi! dwstag, welcome to AMHD :)
The dryer has run fine for years, but stopped heating up and drying clothes yesterday. Everything else seems fine as the timer is still working and the drum still tumbling, but clothes are juts air drying as there is no heat being produced. Trying to determnine the best plan of attack. If it is simple and faily cheap, I will repair. If involved and expensive, I will buy new. PLease advise. Thanks for the assistance.
Here's what you need:
Part Details - WHIRLPOOL Whirlpool dryer heating element, part number: 279838 (http://www.appliancepartspros.com/part_details.aspx?part_id=3094254&pn_=279838)

Same part, but more expensive:
"whirlpool dryer model SEDS800HQ0" Parts from RepairClinic.com (http://www.repairclinic.com/Appliance-Parts?s=t-%20whirlpool%20dryer%20model%20SEDS800HQ0%20-%3d%3d)

Tips on replacement:
How to Replace Your Electric Dryer's Heating Element (http://www.davesrepair.com/DIYhelp/DIYreplacingWPLdryels.htm)

Armed with part number try checking out a local supplier for appliance parts, may be cheaper.

Amount of time to replace approximately 2 hours.

K

Could be something other than the element though see #21,
More tips on replacement, #'s 18 through 22:

Inglis-Whirlpool-Kenmore dryers, common repair problems, idler pulleys, belt, drum rollers, noises, how to take apart, no heat problems, replacing the drum rollers, replacing the heating element, motor problems (http://www.applianceaid.com/whirlpool-dryers.html)

Here is a diagram too:

http://www.searspartsdirect.com/partsdirect/getSubComp.pd?modelNumber=SEDS800HQ0&productCategoryId=0151200&brandId=3192&modelName=ELECTRIC-DRYER&diagramPageId=00003&componentDescription=BULKHEAD&documentId=O2028832&blt=06

The heating element or thermal fuse. If the thermal fuse blew then something happened with the blower assembly. The element will set you back about $50. Your going to need a multimeter to start any troubleshooting.