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W8831917 - Workhorse 8.1L/7.4L Engine Coolant Thermostat w/ Seal

W8831917 - Workhorse 8.1L/7.4L Engine Coolant Thermostat w/ Seal
W8831917 - Workhorse 8.1L/7.4L Engine Coolant Thermostat w/ Seal
: W8831917
In Stock(4)
Based on 0 reviews.
$17.94
$18.40

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W8831917 - Workhorse 8.1L/7.4L Engine Coolant Thermostat w/ Seal

Compact Quality Box with Shadow

We genuinely care about the quality of the products we offer. That's why our parts are a thoughtful combination of OEM and aftermarket options, all meeting or even surpassing OEM standards. We meticulously vet each part for reliability, ensuring that only those of the highest quality earn the distinction of a "W" part number. Your trust is important to us, and we strive to provide only the best for our customers.

  • 195 Degree for Workhorse/GM 8.1L and 7.4L Engines

  • Includes Thermostat Gasket

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 The state of California requires that this warning be posted for people purchasing products that reside in California.

WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov

Who makes this part? Is it an OEM replacement part from GMC or AC Delco? ( Robert Fister, 11/22/2023 )
This part is made to OEM specifications by Gates.
Can I replace the 195 degree thermostat with a 180 degree and what is coolant capacity for 2003 8.1L Workhorse chassis? ( Steve L. Wright, 01/17/2021 )
You can replace it with a 180* thermostat but you will lose a good amount of defrost and heater performance. The 8.1L was designed to operate with the 195* thermostat and I see no measurable advantage to switching.
Hi Guys,... My temperature gauge is fluctuating and today, it stayed at cold, even after 10 minutes of driving... It then came back to normal and stayed that way for the next 100 miles...My guess is the 'thermostat'... I have had some overheating issues in the extremely hot weather in Mexico and AZ... I'm wondering if this could have damaged the sensor or something... My question is:,..Where does it go?... I have read everything I have and asked Google and YouTube, but, no luck as to the location to replace the old one... Can you help me with this, please? Peace, Val Ingham 2003 P32 Workhorse 8.1 ( Valerie Ingham, 06/16/2020 )
Not answered yet.
Can one buy a185 for my 8.1 ; as I have two, my Adventure and my pickup ( Terry Watt, 11/13/2017 )
Not answered yet.
Hi looking at your 195 degree thermostat for a 2006 8.1L. Is this different to the original one install on my engine or is it the same degrees? ( Damon, 05/02/2017 )

Hi Damon,

Yes all the 8.1L's use the same 195* thermostat, W8800783.

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