C

Company Review Grade:

ACDelco

1,674 Total Products

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ACDelco GM Original Equipment 131-131 Engine Coolant Thermostat

Analyzed on

Sold by ACDelco

A

Fakespot review grade

A

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Pros & Cons

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pros

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pros

Features with many positive mentions

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Fitment

Customers are generally satisfied with the fitment of the ACDelco GM Original Equipment 131-131 Engine Coolant Thermostat, as it fits well in various GM vehicles including Silverado 2500HD and 6.6L Duramax models. Some customers have noted that the packaging is authentic and matches what they received from dealers. However, a few customers mentioned that the product image does not accurately represent the thermostat's design, specifically the two bypass holes in the top plate.

Temperature Regulation

Customers report that the ACDelco GM Original Equipment 131-131 Engine Coolant Thermostat effectively regulates temperature, allowing engines to reach correct temperatures and providing improved heating performance for some vehicles. However, a few customers mention the need for a companion thermostat and caution against draining the coolant reservoir during installation.

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality

Worked great, fixed the problem i had with open thermostat, have a couple thousand miles on them now, there is two on my truck.

Fit perfectly and works well so far

Refill coolant 50/50 dexron and distilled water then bled air out of engine block (there is an air bleed bolt on top of the the... Read More

Pulled intake resonance chamber, alternator positive cable, and unplugged a few wiring connections.

Packaging/appearance

These white boxes are acdelco original and match what i received from the dealer.

I have received new prime products in plain white boxes only and others in a plain white box inside an acdelco box.

Came in a white box with a part number on it.

Competitiveness

This thermostat is the exact replacement for the delco original thermostat and the engine warms up just like new now.

Overview

How are reviewers describing this item?
great, good, easy, fixed and fit.

Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.

Our engine has discovered that over 90% high quality reviews are present.

This product had a total of 544 reviews as of our last analysis date on Dec 26 2024.