Mishimoto 1989-1998 Nissan 240SX KA/SR20DET Thermostat

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SKU: MISMMTS-240-89KA
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Maintain Optimal Engine Temperature with the Mishimoto Thermostat

Keep your Nissan engine running at its ideal operating temperature with the Mishimoto High-Performance Thermostat. Specifically designed for a wide range of Nissan and Infiniti models, including the 1989-1998 240SX (KA and SR20DET engines), 1993-1997 Altima (2.4L), 1991-1994 Sentra (2.0L), and more, this thermostat is a crucial component for maintaining engine health and performance.

Reliable Temperature Regulation

The Mishimoto thermostat is engineered to open and close at a precise temperature, ensuring your engine warms up quickly and stays within its optimal operating range. This prevents issues like inefficient fuel combustion during warm-up and potential overheating under load. By regulating coolant flow effectively, it contributes to better fuel economy, reduced emissions, and prolonged engine life.

Key Features:

  • Direct-fit replacement for various Nissan/Infiniti models
  • Designed for 1989-1998 Nissan 240SX (KA/SR20DET)
  • Compatible with 1993-1997 Altima (2.4L) and 1991-1994 Sentra (2.0L)
  • Ensures precise engine temperature regulation
  • Promotes faster engine warm-up
  • Helps prevent overheating
  • Improves fuel efficiency and reduces emissions
  • Durable construction for long-lasting performance

This thermostat is an essential part of your vehicle's cooling system, working in conjunction with your radiator and coolant. Replacing a faulty or old thermostat with a quality unit like the Mishimoto ensures your engine operates efficiently and reliably. Whether you're performing routine maintenance or building a performance engine, this thermostat is a smart choice. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1991-1996 INFINITI G20 Base
1994-1996 INFINITI G20 T
1995-1998 Nissan 200SX Base
1995-1998 Nissan 200SX SE
1995-1998 Nissan 200SX SE-R
1989-1990 Nissan 240SX XE
1991-1992 Nissan 240SX LE
1991-1993 Nissan 240SX Base
1995-1998 Nissan 240SX Base
1997-1998 Nissan 240SX LE
1993-2001 Nissan Altima GLE
1993-2001 Nissan Altima GXE
1993-2001 Nissan Altima SE
1993-2001 Nissan Altima XE
1990 Nissan Axxess SE
1990 Nissan Axxess XE
1998 Nissan Frontier Base
1998-2003 Nissan Frontier SE
1998-2003 Nissan Frontier XE
2002-2003 Nissan Frontier Base
2002-2003 Nissan Frontier SVE
1991-1993 Nissan NX SE
1991-1993 Nissan NX XE
1995-1997 Nissan Pickup Base
1995-1997 Nissan Pickup SE
1995-1997 Nissan Pickup XE
1991-1994 Nissan Sentra E
1991-1994 Nissan Sentra GXE
1991-1994 Nissan Sentra SE
1991-1994 Nissan Sentra SE-R
1994 Nissan Sentra Limited Edition
1998 Nissan Sentra GLE
1998 Nissan Sentra Base
1998-2001 Nissan Sentra GXE
1998-2001 Nissan Sentra SE
1998-2001 Nissan Sentra XE
1990-1992 Nissan Stanza GXE
1990-1992 Nissan Stanza XE
1992 Nissan Stanza SE
2000-2003 Nissan Xterra SE
2000-2003 Nissan Xterra XE

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Maintain Optimal Engine Temperature with the Mishimoto Thermostat

Keep your Nissan engine running at its ideal operating temperature with the Mishimoto High-Performance Thermostat. Specifically designed for a wide range of Nissan and Infiniti models, including the 1989-1998 240SX (KA and SR20DET engines), 1993-1997 Altima (2.4L), 1991-1994 Sentra (2.0L), and more, this thermostat is a crucial component for maintaining engine health and performance.

Reliable Temperature Regulation

The Mishimoto thermostat is engineered to open and close at a precise temperature, ensuring your engine warms up quickly and stays within its optimal operating range. This prevents issues like inefficient fuel combustion during warm-up and potential overheating under load. By regulating coolant flow effectively, it contributes to better fuel economy, reduced emissions, and prolonged engine life.

Key Features:

  • Direct-fit replacement for various Nissan/Infiniti models
  • Designed for 1989-1998 Nissan 240SX (KA/SR20DET)
  • Compatible with 1993-1997 Altima (2.4L) and 1991-1994 Sentra (2.0L)
  • Ensures precise engine temperature regulation
  • Promotes faster engine warm-up
  • Helps prevent overheating
  • Improves fuel efficiency and reduces emissions
  • Durable construction for long-lasting performance

This thermostat is an essential part of your vehicle's cooling system, working in conjunction with your radiator and coolant. Replacing a faulty or old thermostat with a quality unit like the Mishimoto ensures your engine operates efficiently and reliably. Whether you're performing routine maintenance or building a performance engine, this thermostat is a smart choice. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1991-1996 INFINITI G20 Base
1994-1996 INFINITI G20 T
1995-1998 Nissan 200SX Base
1995-1998 Nissan 200SX SE
1995-1998 Nissan 200SX SE-R
1989-1990 Nissan 240SX XE
1991-1992 Nissan 240SX LE
1991-1993 Nissan 240SX Base
1995-1998 Nissan 240SX Base
1997-1998 Nissan 240SX LE
1993-2001 Nissan Altima GLE
1993-2001 Nissan Altima GXE
1993-2001 Nissan Altima SE
1993-2001 Nissan Altima XE
1990 Nissan Axxess SE
1990 Nissan Axxess XE
1998 Nissan Frontier Base
1998-2003 Nissan Frontier SE
1998-2003 Nissan Frontier XE
2002-2003 Nissan Frontier Base
2002-2003 Nissan Frontier SVE
1991-1993 Nissan NX SE
1991-1993 Nissan NX XE
1995-1997 Nissan Pickup Base
1995-1997 Nissan Pickup SE
1995-1997 Nissan Pickup XE
1991-1994 Nissan Sentra E
1991-1994 Nissan Sentra GXE
1991-1994 Nissan Sentra SE
1991-1994 Nissan Sentra SE-R
1994 Nissan Sentra Limited Edition
1998 Nissan Sentra GLE
1998 Nissan Sentra Base
1998-2001 Nissan Sentra GXE
1998-2001 Nissan Sentra SE
1998-2001 Nissan Sentra XE
1990-1992 Nissan Stanza GXE
1990-1992 Nissan Stanza XE
1992 Nissan Stanza SE
2000-2003 Nissan Xterra SE
2000-2003 Nissan Xterra XE

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Maintain Optimal Engine Temperature with the Mishimoto Thermostat

Keep your Nissan engine running at its ideal operating temperature with the Mishimoto High-Performance Thermostat. Specifically designed for a wide range of Nissan and Infiniti models, including the 1989-1998 240SX (KA and SR20DET engines), 1993-1997 Altima (2.4L), 1991-1994 Sentra (2.0L), and more, this thermostat is a crucial component for maintaining engine health and performance.

Reliable Temperature Regulation

The Mishimoto thermostat is engineered to open and close at a precise temperature, ensuring your engine warms up quickly and stays within its optimal operating range. This prevents issues like inefficient fuel combustion during warm-up and potential overheating under load. By regulating coolant flow effectively, it contributes to better fuel economy, reduced emissions, and prolonged engine life.

Key Features:

  • Direct-fit replacement for various Nissan/Infiniti models
  • Designed for 1989-1998 Nissan 240SX (KA/SR20DET)
  • Compatible with 1993-1997 Altima (2.4L) and 1991-1994 Sentra (2.0L)
  • Ensures precise engine temperature regulation
  • Promotes faster engine warm-up
  • Helps prevent overheating
  • Improves fuel efficiency and reduces emissions
  • Durable construction for long-lasting performance

This thermostat is an essential part of your vehicle's cooling system, working in conjunction with your radiator and coolant. Replacing a faulty or old thermostat with a quality unit like the Mishimoto ensures your engine operates efficiently and reliably. Whether you're performing routine maintenance or building a performance engine, this thermostat is a smart choice. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1991-1996 INFINITI G20 Base
1994-1996 INFINITI G20 T
1995-1998 Nissan 200SX Base
1995-1998 Nissan 200SX SE
1995-1998 Nissan 200SX SE-R
1989-1990 Nissan 240SX XE
1991-1992 Nissan 240SX LE
1991-1993 Nissan 240SX Base
1995-1998 Nissan 240SX Base
1997-1998 Nissan 240SX LE
1993-2001 Nissan Altima GLE
1993-2001 Nissan Altima GXE
1993-2001 Nissan Altima SE
1993-2001 Nissan Altima XE
1990 Nissan Axxess SE
1990 Nissan Axxess XE
1998 Nissan Frontier Base
1998-2003 Nissan Frontier SE
1998-2003 Nissan Frontier XE
2002-2003 Nissan Frontier Base
2002-2003 Nissan Frontier SVE
1991-1993 Nissan NX SE
1991-1993 Nissan NX XE
1995-1997 Nissan Pickup Base
1995-1997 Nissan Pickup SE
1995-1997 Nissan Pickup XE
1991-1994 Nissan Sentra E
1991-1994 Nissan Sentra GXE
1991-1994 Nissan Sentra SE
1991-1994 Nissan Sentra SE-R
1994 Nissan Sentra Limited Edition
1998 Nissan Sentra GLE
1998 Nissan Sentra Base
1998-2001 Nissan Sentra GXE
1998-2001 Nissan Sentra SE
1998-2001 Nissan Sentra XE
1990-1992 Nissan Stanza GXE
1990-1992 Nissan Stanza XE
1992 Nissan Stanza SE
2000-2003 Nissan Xterra SE
2000-2003 Nissan Xterra XE

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