Motorad Integrated Thermostat Housing: With Seal, 172 Degrees, 951-172
In stock
$42.99
Listed as compatible with this vehicle by the retailer feed.
Check price2018 Acura RLX Thermostats
3 products listed as compatible with this vehicle by the retailer feed.
Motorad Integrated Thermostat Housing: With Seal, 172 Degrees, 954-172
In stock
$47.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Carquest Coolant Pipe, CH2165
Out of stock
$96.99
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.