The factory heaters are notorious for shorting out
GM Part Number 88940289
Replaces OEM part numbers 5180027AA (Driver side)
Do they fail to activate at all
This Durofoam cushion is compatible with the existing heating functions in your seat
2003 - 2006 (2007 Classic) GM Driver or Passenger Top Cover Seat Heating Element - Direct Replacement for OEM Part Number 88940310 CT-F250X-07-EB2-PV The factory heaters are notoriousVehicle Compatibility Chevy Tahoe: LS, LT, Z71 (2003, 2004, 2005, 2006) Suburban: LS, LT, Z71 (2003, 2004, 2005, 2006) Silverado: LS, LT, Z71 (2003, 2004, 2005, 2006, as well as 2007 Classic Body Style) Avalanche: LS, LT, Z66, Z71 (2003, 2004, 2005, 2006) GMC Yukon: SLE, SLT, Denali (2003, 2004, 2005, 2006) Yukon XL: SLE, SLT, Denali (2003, 2004, 2005, 2006) Sierra: SLE, SLT, Denali (2003, 2004, 2005, 2006, as well as 2007 Classic Body Style) Cadillac