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AC Delco - LS Gen 4 187 Degree Thermostat w/ Seal 2007-2014 LS3 5.3L 6.0L 6.2L

Marsoni M251S
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AC Delco - LS Gen 4 187 Degree Thermostat w/ Seal 2007-2014 LS3 5.3L 6.0L 6.2LLS Gen 4 Thermostat w Seal New OEM GM Thermostat with Seal Compatible with 2007 and later Gen 4 Silverado and LS3 Water Pumps 4. 8L 5. 3L 6. 0L 6. 2L (Will not fit Gen 3 "small" bolt pattern curved neck, or LS1 water pumps) Includes OE Temperature Thermostat and O ring Seal Does Not Include Thermostat Housing (part # ENG016)
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Martin Maldonado
Omaha, US
★★★★★ 5
A-
Great part, had to change oring the one that comes with is way to big, but overall great quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 25, 2025
J
Verified Purchase
Jason m Barger
Lake Worth, US
★★★★★ 5
BOSCH Oil filter
BOSCH Is the best for all car products Fit like it should have and works great. Always use BOSCH in my car
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Reviewed in the United States on January 3, 2024
A
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Adam E. Mis
Lake Worth, US
★★★★★ 5
Fit
Perfect fit
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Reviewed in the United States on November 1, 2024
A
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Amazon Customer
Charlottesville, US
★★★★★ 5
Good
Good
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Reviewed in the United States on August 8, 2025
C
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Customer
Bozeman, US
★★★★★ 4
Does not work on Porsche 2015 S-E Hybrid
DOESNT WORK on Porsche 2015 S E-Hybrid
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Reviewed in the United States on March 18, 2026

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