Riffraff Diesel 7.3L Billet Thermostat Housing 99-03 7.3L F-Series Powerstroke
Replace your leaking, rusty 99-03 7.3L thermostat housing with an improved design! We have machined these housings out of billet aluminum and anodized them for a great looking and long lasting finish. Stainless Steel hardware is also provided.
100% Made in the USA!

Ford F81Z8592AA
154 Reviews Hide Reviews Show Reviews
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Great Quality!
Great product! Way better than OEM housing! I changed my thermostat housing when I replaced my water pump and it fits great, no leaks!
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7.3L Billet Thermostat Housing
This is a must have. Don't waste your money on the flimsy OEM piece.
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Rooster
Easy to install and fit like a glove on a Roostrts foot!!
Thanks again RiffRaff!! -
Nice product and upgrade
Great fit and finish. Far superior to OEM.
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Great replacement
Did a coolant flush and swapped over to ELC. All new hoses, tstat, Degas bottle, Rffraff coolant filter. I was not going to replace the t-stat housing but after reading about how they rust I ordered the Riffraff billet housing. Glad I did, OEM housing was rusted pretty bad. Easy replacement, does not leak and look great. Thanks
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Awesome product and an awesome company
The housing is built with quality. Lols great and no more worries about leaks. Thanks Clay
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well made
Well built. Recessed stainless bolts (included) is nice feature
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Solid Design
The part is far superior to stock. Clean and professionally designed.
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Does what it's supposed to
Did what it was supposed to. I replaced my rusty one with this piece. fit and finish is great. Would be nice if it came in Silver as well.






