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Beck Arnley 143 0731 Thermostat Review

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Average

Revainrating 3 out of 5  
Rating 
3.0
🌡️ Engine Cooling & Climate Control, 🛠️ Replacement Parts

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Description of Beck Arnley 143 0731 Thermostat

Matches OE form, fit and function. Features a standard jiggle valve where required by OE and has a long stroke for maximum cooling. Constructed with premium materials for durability. Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application. Application specific for this vehicle.

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Type of review

Revainrating 3 out of 5

Suitable for M42 engine except O-ring.

DO NOT USE the enclosed rubber seal! It will make you tear your hair out trying to find a leak! Be sure to purchase the Beck/Arnley thermostat gasket 039-0029 as the one supplied is too large and the housing will NOT fit properly. That stupid rubber gasket had me running in circles for 2 hours trying to figure out what I did wrong and why this thing was still leaking coolant. Otherwise it would have gotten 5 stars.

Pros
  • Thermostats
Cons
  • old