HomeBelts and Cooling > Gaskets and Sealing SystemsApex AWO2158 Engine Coolant Thermostat Gasket
Part #: AWO2158

Apex AWO2158 Engine Coolant Thermostat Gasket

⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, 4Runner, T100, and Tacoma
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Reliable Engine Coolant Thermostat Gasket for Toyota Vehicles

The Apex AWO2158 engine coolant thermostat gasket is designed specifically for Toyota 4Runner, T100, and Tacoma models. This gasket ensures a secure seal around the thermostat housing, helping maintain optimal engine temperature and preventing coolant leaks.

Key Features of Apex AWO2158 Thermostat Gasket

  • Compatible with Toyota 4Runner, T100, and Tacoma models
  • Engine coolant thermostat gasket designed for precise fitment
  • Durable material to withstand engine heat and pressure
  • Helps maintain proper engine temperature regulation
  • Part number AWO2158 for easy identification and replacement

Detailed Product Description

The Apex AWO2158 engine coolant thermostat gasket is engineered to provide a reliable seal between the thermostat housing and engine block. This gasket plays a critical role in preventing coolant leaks that can lead to engine overheating or inefficient temperature control. Designed for Toyota 4Runner, T100, and Tacoma vehicles, the gasket matches OEM specifications to ensure proper fit and function. Using this gasket during thermostat replacement or cooling system repairs helps maintain the integrity of the engine’s cooling system.

Common Applications and Issues Addressed

  • Prevents coolant leaks around the thermostat housing
  • Helps avoid engine overheating caused by faulty seals
  • Maintains consistent engine temperature regulation
  • Reduces risk of engine damage due to coolant loss
  • Supports proper operation of the thermostat in Toyota 4Runner, T100, and Tacoma

Installation Notes and Tips

When installing the Apex AWO2158 thermostat gasket, ensure the mating surfaces are clean and free of old gasket material or debris. Proper surface preparation is essential for a secure seal. Align the gasket carefully with the thermostat housing to avoid misplacement. Follow vehicle-specific service manual instructions for thermostat removal and installation to ensure correct torque specifications and avoid damage.

Quality Assurance and Warranty

Apex manufactures the AWO2158 thermostat gasket to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products are generally produced under strict quality control to ensure reliable operation in Toyota 4Runner, T100, and Tacoma cooling systems.

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma2.4LL4N/A
2003ToyotaTacoma2.4LL4N/A
2002ToyotaTacoma2.4LL4N/A
2001ToyotaTacoma2.4LL4N/A
2000Toyota4Runner2.7LL4N/A
2000ToyotaTacoma2.4LL4N/A
1999Toyota4Runner2.7LL4N/A
1999ToyotaTacoma2.4LL4N/A
1998Toyota4Runner2.7LL4N/A
1998ToyotaT1002.7LL4N/A
1998ToyotaTacoma2.4LL4N/A
1997Toyota4Runner2.7LL4N/A
1997ToyotaT1002.7LL4N/A
1997ToyotaTacoma2.4LL4N/A
1996Toyota4Runner2.7LL4N/A
1996ToyotaT1002.7LL4N/A
1996ToyotaTacoma2.4LL4N/A
1995ToyotaT1002.7LL4N/A
1995ToyotaTacoma2.4LL4N/A
1994ToyotaT1002.7LL4N/A

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