This Speed Engineering 180° thermostat replaces the factory 195° unit on Gen V LT1, LT4, L83 and L86 engines (5.3L and 6.2L). It is listed for LT1 and LT4 Camaros and Corvettes and for full-size trucks and SUVs with the 5.3L or 6.2L. The lower opening temperature lets coolant circulate at a lower engine temperature, which helps the engine run cooler.
Features:
- 180° Opening Temperature: Replaces the factory 195° thermostat
- Engines: LT1, LT4, L83 and L86 (5.3L and 6.2L)
- Car and Truck Applications
Vehicle Applications:
Chevrolet Camaro SS
- 2016 Chevrolet Camaro SS — 6.2L LT1
- 2017 Chevrolet Camaro SS — 6.2L LT1
- 2018 Chevrolet Camaro SS — 6.2L LT1
- 2019 Chevrolet Camaro SS — 6.2L LT1
- 2020 Chevrolet Camaro SS — 6.2L LT1
- 2021 Chevrolet Camaro SS — 6.2L LT1
- 2022 Chevrolet Camaro SS — 6.2L LT1
- 2023 Chevrolet Camaro SS — 6.2L LT1
- 2024 Chevrolet Camaro SS — 6.2L LT1
Chevrolet Camaro ZL1
- 2017 Chevrolet Camaro ZL1 — 6.2L LT4
- 2018 Chevrolet Camaro ZL1 — 6.2L LT4
- 2019 Chevrolet Camaro ZL1 — 6.2L LT4
- 2020 Chevrolet Camaro ZL1 — 6.2L LT4
- 2021 Chevrolet Camaro ZL1 — 6.2L LT4
- 2022 Chevrolet Camaro ZL1 — 6.2L LT4
- 2023 Chevrolet Camaro ZL1 — 6.2L LT4
- 2024 Chevrolet Camaro ZL1 — 6.2L LT4
Chevrolet Corvette
- 2014 Chevrolet Corvette — 6.2L
- 2015 Chevrolet Corvette — 6.2L
- 2016 Chevrolet Corvette — 6.2L
- 2017 Chevrolet Corvette — 6.2L
- 2018 Chevrolet Corvette — 6.2L
- 2019 Chevrolet Corvette — 6.2L
Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 1500 — 5.3L/6.2L
- 2015 Chevrolet Silverado 1500 — 5.3L/6.2L
- 2016 Chevrolet Silverado 1500 — 5.3L/6.2L
- 2017 Chevrolet Silverado 1500 — 5.3L/6.2L
- 2018 Chevrolet Silverado 1500 — 5.3L/6.2L
- 2019 Chevrolet Silverado 1500 — 5.3L/6.2L (carryover K2XX body only)
GMC Sierra 1500
- 2014 GMC Sierra 1500 — 5.3L/6.2L
- 2015 GMC Sierra 1500 — 5.3L/6.2L
- 2016 GMC Sierra 1500 — 5.3L/6.2L
- 2017 GMC Sierra 1500 — 5.3L/6.2L
- 2018 GMC Sierra 1500 — 5.3L/6.2L
- 2019 GMC Sierra 1500 — 5.3L/6.2L (carryover K2XX body only)
Chevrolet Tahoe
- 2015 Chevrolet Tahoe — 5.3L/6.2L
- 2016 Chevrolet Tahoe — 5.3L/6.2L
- 2017 Chevrolet Tahoe — 5.3L/6.2L
- 2018 Chevrolet Tahoe — 5.3L/6.2L
- 2019 Chevrolet Tahoe — 5.3L/6.2L
- 2020 Chevrolet Tahoe — 5.3L/6.2L
GMC Yukon
- 2015 GMC Yukon — 5.3L/6.2L
- 2016 GMC Yukon — 5.3L/6.2L
- 2017 GMC Yukon — 5.3L/6.2L
- 2018 GMC Yukon — 5.3L/6.2L
- 2019 GMC Yukon — 5.3L/6.2L
- 2020 GMC Yukon — 5.3L/6.2L
FAQ
What temperature is this thermostat?
It is a 180° thermostat that replaces the factory 195° unit.
Which engines does it fit?
It fits LT1, LT4, L83 and L86 engines in 5.3L and 6.2L displacements.
Which vehicles is it listed for?
Speed Engineering lists it for the 2016–2024 Camaro SS, 2017–2024 Camaro ZL1, 2014–2019 Corvette, 2014–2019 Silverado 1500 and Sierra 1500, and 2015–2020 Tahoe and Yukon.
Is there a different temperature option?
Yes. Speed Engineering offers this LT thermostat in both 160° and 180° versions.
Is this part street legal?
No. Speed Engineering sells this thermostat as a race-only product intended for competition use only. Installation on a street-driven vehicle may violate the Clean Air Act (42 U.S.C. 7522(a)(3)).
⚠️ Race Use Only: This product is manufactured and sold for installation on vehicles used solely for competition. Once installed, the vehicle may not be used, registered, or licensed for use on a public road or highway. Installation on a street-driven vehicle may violate the Clean Air Act 203(a)(3), 42 U.S.C. 7522(a)(3).
