HomeBelts and Cooling > Thermostat and HousingMotorad 274-192 Engine Coolant Thermostat
Part #: 274-192

Motorad 274-192 Engine Coolant Thermostat

Standard
⚙️ 42 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Standard
🚗Fitment: BMW, Z3, 323is, 323ti, 328i, 328is, M3, 323i, 320i, 325i, 525i, and 325is
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Reliable Engine Coolant Thermostat for BMW Models

The Motorad Standard 274-192 engine coolant thermostat is designed to maintain optimal engine temperature for various BMW vehicles. Engineered to open at 192°F, this thermostat ensures efficient coolant flow and engine performance.

  • Sealing flange outside diameter: 2.64 inches
  • Height between flanges: 1.4 inches
  • Standard type thermostat with 2.00 inches height
  • Bypass diameter: 1.30 inches and bypass length: 1.02 inches
  • Flange thickness: 0.05 inches
  • Start to open temperature: 192°F
  • No gasket or seal included
  • No jiggle pin weep hole
  • Installation tool not included

Product Line Details: Motorad Standard

The Motorad Standard line offers dependable replacement parts designed to meet OEM specifications. This Standard engine coolant thermostat provides consistent temperature regulation and durability, making it suitable for routine maintenance and repairs on compatible BMW models.

Detailed Product Description

The Motorad Standard 274-192 thermostat is engineered for precise temperature control, opening at 192 degrees Fahrenheit to regulate coolant flow effectively. Its 2.64-inch sealing flange outside diameter and 1.4-inch height between flanges ensure a secure fit within the cooling system. The bypass diameter of 1.30 inches and length of 1.02 inches facilitate proper coolant circulation during engine warm-up. With a flange thickness of 0.05 inches, this thermostat fits accurately without compromising sealing integrity. Note that this part does not include a gasket or seal, and it lacks a jiggle pin weep hole, which is typical for standard thermostats.

Compatible BMW Models and Applications

  • BMW 320i, 323i, 323is, 323ti
  • BMW 325i, 325is, 328i, 328is
  • BMW 525i, 528i
  • BMW M3 and Z3 models

This thermostat is specifically designed for these BMW models to maintain proper engine temperature and prevent overheating or inefficient cooling.

Common Issues Addressed by This Thermostat

  • Engine overheating due to stuck-closed thermostat
  • Poor heater performance from delayed thermostat opening
  • Coolant flow restriction causing engine temperature fluctuations
  • Reduced fuel efficiency linked to improper engine temperature
  • Engine warm-up delays affecting overall vehicle performance

Installation Notes and Tips

Before installation, ensure the cooling system is fully drained and the mounting surface is clean. The Motorad Standard 274-192 thermostat does not include a gasket or seal, so use a compatible gasket to prevent leaks. Verify the thermostat orientation matches OEM specifications, and carefully torque mounting bolts to avoid flange damage. No installation tool is included, so use appropriate hand tools for secure fitting.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure reliable operation in BMW cooling systems.

BrandMotorad
Part Number274-192
PositionStandard
Bypass Diameter1.30 in
Bypass Length1.02 in
Flange Thickness0.05 in
Gasket Or Seal IncludedNo
Height2.00
Height Between Flanges1.4
Installation Tool IncludedNo
Jiggle Pin Weep HoleNo
Sealing Flange Outside Diameter2.64
Start to Open Temperature192
Temperature192 Deg. F
Temperature (Degree)192
TypeStandard

This part fits 42 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2000BMW323ti2.5LL6N/AStandard
2000BMWZ33.2LL6N/ATemperature 192F OE Specified thermostat included; Standard
1999BMW323i2.5LL6N/AStandard
1999BMW323is2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1999BMW323ti2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1999BMW328iConvertible2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1999BMW328is2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1999BMW528i2.8LL6N/AStandard
1999BMWM33.2LL6N/ATemperature 192F OE Specified thermostat included; Standard
1999BMWZ33.2LL6N/ATemperature 192F OE Specified thermostat included; Standard
1998BMW323i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1998BMW323is2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1998BMW328i2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1998BMW328is2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1998BMWM33.2LL6N/ATemperature 192F OE Specified thermostat included; Standard
1998BMWZ33.2LL6N/ATemperature 192F OE Specified thermostat included; Standard
1998BMWZ32.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1997BMW323i2.5LL6N/AStandard
1997BMW328i2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1997BMW328is2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1997BMWM33.2LL6N/ATemperature 192F OE Specified thermostat included; Standard
1997BMWZ32.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1996BMW328i2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1996BMW328is2.8LL6N/ATemperature 192F OE Specified thermostat included; Standard
1996BMW528i2.8LL6N/AStandard
1996BMWM33.2LL6N/ATemperature 192F OE Specified thermostat included; Standard
1995BMW320i2.0LL6N/ATemperature 192F OE Specified thermostat included; Standard
1995BMW325i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1995BMW525i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1995BMWM33.0LL6N/ATemperature 192F OE Specified thermostat included; Standard
1994BMW320i2.0LL6N/ATemperature 192F OE Specified thermostat included; Standard
1994BMW325i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1994BMW525i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1994BMWM33.0LL6N/ATemperature 192F OE Specified thermostat included; Standard
1993BMW320i2.0LL6N/ATemperature 192F OE Specified thermostat included; Standard
1993BMW325i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1993BMW325is2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1993BMW525i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1992BMW325i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1992BMW325is2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1992BMW525i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard
1991BMW525i2.5LL6N/ATemperature 192F OE Specified thermostat included; Standard

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

This part directly replaces or is cross-referenced with the following part numbers:

1153751108311537511580146221601-230817274-19227492308933936399-198486489274192P3089

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.