2004-2008 LS1 LS2 LS3 LS6 Engine Coolant Thermostat 187 Degree ACDelco
Original Equipment Replacement 2004-2008 ACDelco Thermostat operates through a progressive temperature range to optimize engine management, fuel economy and emissions efficiencies.
Alternate/OEM Part Number(s): 12581595, 12600171, 131143
Also known under these part numbers: (For reference only)
- 12600171
- 131-156
- 131156
- 51088
- 707773105863