HomeBelts and Cooling > Thermostat and HousingBeck Arnley 143-0955 Engine Coolant Thermostat Housing Assembly
Part #: 143-0955

Beck Arnley 143-0955 Engine Coolant Thermostat Housing Assembly

6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Acura, MDX and RLX
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Engine Coolant Thermostat Housing for Acura

Beck Arnley 143-0955 is an engine coolant thermostat housing assembly built to match foreign nameplate OE specifications for form, fit, and function. It is a direct-fit cooling system replacement for select Acura RLX and Acura MDX applications with a 170-degree temperature rating.

Key Features

  • Engine coolant thermostat housing assembly for the cooling system
  • 170-degree temperature specification
  • Built to foreign nameplate OE specifications for form, fit, and function
  • Application-specific replacement for Acura RLX and Acura MDX
  • Beck Arnley part number 143-0955

Detailed Description

This Beck Arnley thermostat housing assembly is engineered for drivers who need a precise replacement for the factory cooling system layout. Beck Arnley sources parts through a global network to help ensure the right fit for import applications, and this 143-0955 assembly is listed for 2014-2017 Acura RLX and 2014-2015 Acura MDX models with a 170-degree thermostat setting. If you are replacing a worn thermostat housing on an Acura RLX or Acura MDX, this part number 143-0955 provides an OE-style solution for the original application.

What It Helps Address

  • Coolant temperature control concerns
  • Thermostat housing leakage at the cooling system connection
  • Improper engine warm-up from a failing thermostat assembly
  • Temperature-related drivability issues tied to cooling system wear
  • Replacement needs for a damaged or aging thermostat housing

Installation Notes and Tips

Verify the 170-degree temperature specification and confirm vehicle year before installation. This part is listed for 2014-2017 Acura RLX and 2014-2015 Acura MDX, so match the application to your exact vehicle before ordering. Inspect the surrounding cooling system components, clean the sealing surfaces, and refill the system with the correct coolant after installation.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. This product also carries a lead and lead compounds chemical disclosure, which is provided for compliance information.

BrandBeck Arnley
Part Number143-0955
Are You Using The Long Form WarningY
Chemical(s) at IssueLead and lead compounds
TEMPERATURE170

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017AcuraRLX3.5LV6N/ATEMPERATURE 170
2016AcuraRLX3.5LV6N/ATEMPERATURE 170
2015AcuraMDX3.5LV6N/ATEMPERATURE 170
2015AcuraRLX3.5LV6N/ATEMPERATURE 170
2014AcuraMDX3.5LV6N/ATEMPERATURE 170
2014AcuraRLX3.5LV6N/ATEMPERATURE 170

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.