Mishimoto racing thermostat for the 1989-1998 Nissan 240SX (KA24DE or SR20DET swap) and related Nissan/Infiniti 2.0-2.4L applications. Opening at 68°C / 155°F — lower than stock — it lets coolant flow through the engine sooner to reduce and maintain cooler temperatures. Direct-fit replacement, backed by the Mishimoto Lifetime Warranty.
| Type | Racing thermostat |
| Activation Temp | 68°C / 155°F |
| Engine | Nissan KA24 / SR20DET |
| Part Number | MMTS-240-89KA |
| Warranty | Lifetime |
| Application | 1989-1998 Nissan 240SX (+ 200SX, Altima, Frontier, Sentra; see fitment) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1996 | INFINITI | G20 | Base / T |
| 1995-1998 | Nissan | 200SX | Base / SE / SE-R |
| 1989-1998 | Nissan | 240SX | Base / SE / LE / XE |
| 1993-2001 | Nissan | Altima | GXE / SE / XE / GLE |
| 1998-2003 | Nissan | Frontier | XE / SE / Base |
| 1991-2001 | Nissan | Sentra | SE-R / SE / GXE / XE |
| 1990-1992 | Nissan | Stanza | GXE / SE / XE |
| 2000-2003 | Nissan | Xterra | SE / XE |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
