Carquest Standard Thermostat: With Seal, 180 Degrees, 49218
In stock
$32.99
Listed as compatible with this vehicle by the retailer feed.
Check price2021 RAM 3500 Thermostats
7 products listed as compatible with this vehicle by the retailer feed.
Carquest Standard Thermostat: With Seal, 190 Degrees, 14289
In stock
$36.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Standard Thermostat: With Seal, 180 Degrees, 14288
In stock
$37.99
Listed as compatible with this vehicle by the retailer feed.
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Motorad UltraStats UltraStat Thermostat: With Seal, 192 Degrees, 5426-190
In stock
$53.99
Listed as compatible with this vehicle by the retailer feed.
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Motorad Integrated Thermostat Housing: With Seal, 216 Degrees, 956-216
In stock
$151.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Coolant Housing/Water Outlet, CH1073
In stock
$277.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Engine Coolant Thermostat Housing, CH3092
In stock
$2,783.00
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.