★★★★★
February 23, 2026
Great quality part
Replaces
About TRQ:
TRQ is a trusted brand dedicated to making every repair a success story by combining premium parts with easy installation. Each TRQ part is engineered by a team of automotive experts to meet or exceed OEM standards, delivering enhanced performance and maximum longevity. With rigorous in-house testing, the brand ensures superior fit and function across every product line. TRQ also provides customers with best-in-class, step-by-step installation videos—so you can complete repairs with confidence, whether you're a first-time DIYer or an industry professional.
Attention California Customers:
WARNING: This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
This part fits 3 vehicles spanning 2011-2023.
| Year | Make | Model | Description |
|---|---|---|---|
| 2011-2023 | Chrysler | 300 | Chrysler 300 V6 3.6L Thermostat with Housing Assembly TRQ ECA51551 |
| 2011-2023 | Dodge | Challenger | Dodge Challenger V6 3.6L Thermostat with Housing Assembly TRQ ECA51551 |
| 2011-2023 | Dodge | Charger | Dodge Charger V6 3.6L Thermostat with Housing Assembly TRQ ECA51551 |
| Brand Label | Part Number |
|---|---|
| Chrysler | 5184977AG |
| Dorman - OE Solutions | 902-3035 |
| Chrysler | 5184977AH |
| Gates | 34776 |
| Motorad | 724-203 |
| Chrysler | 5184977AD |
| Chrysler | 5184977AE |
| CST | 82403 |
| Four Seasons | 85943 |
| Motorad | 824-203 |
| Stant | 49549 |
| Dodge | 5184977AE |
This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories. Shipping is not available to Canada.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses. Final shipping costs are available at checkout.
Great quality part
The part fitted perfectly N the price was very affordable which I love...so far nothing but good things to say
Quality item, replaced the old plastic thermostat housing and issue was resolved.
Got Shipped right away it came in less than three days and fit my car perfect.
The part was fine the only reason I gave it four stars was because the shipping you know it took two extra days to get it and then when it should have
ECA51551
The thermostat opening temperature is 203 Deg. F.
