¥4,129 JPY ¥4,400 JPY
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| Brand | R'S RACING SERVICE |
| Series Name | RRP MIDDLE TEMP THERMOSTAT |
| Product Number | E-300 |
| Compatible Car | SUZUKI SWIFT ZC11S ZC21S ZC31S HT81S SX4 YA11S |
| Product Description | Low-temperature (middle temp) thermostat addressing a long-standing weak point of the Swift: with the stock thermostat, coolant temperature climbs high under load, causing power drop and dulled response as the ECU pulls timing. This thermostat opens at a lower temperature than the OEM unit, keeping coolant temperature down and stabilizing engine output and response while preventing the ECU from running heat-protection maps. Full valve lift is 8-9mm depending on type. For the ZC32S two settings are offered: A type for sports/circuit driving and B type for street use. The ZC72S version suits the K12B engine. |
| Remarks | The ZC72S version (E72-301) does not fit later cars with chassis numbers ZC72S-3***** onward. Choose the ZC32S type (A: sport spec, B: street spec) to match your usage. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
