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OE Quality
60-Day Returns
CalorstatPart #: TH5075.88
Calorstat TH5075.88 Engine Coolant Thermostat
⚙️ 15 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.99Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Mazda, and Mitsubishi, Colt, Diamante, Miata, Mighty Max, Mirage, and Protege
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Calorstat TH5075.88 Engine Coolant Thermostat
| Brand | Calorstat |
| Part Number | TH5075.88 |
| Sealing Flange Outside Diameter | 2.04 |
| Height Between Flanges | 0.74 |
| Design | Off-set valve seat |
| Type | Standard |
| Gasket Or Seal Included | No |
| Start to Open Temperature | 190.0 |
| 9844 | 1 |
| 9852 | 1 |
| 9943 | Yes |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Mazda | Miata | 1.8L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 2004 | Mazda | Miata | 1.8L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 2003 | Mazda | Miata | 1.8L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 2003 | Mazda | Protege | 1.6L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 2002 | Mazda | Miata | 1.8L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 2002 | Mazda | Protege | 1.6L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 2001 | Mazda | Miata | 1.8L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 2001 | Mazda | Protege | 1.6L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 1996 | Mitsubishi | Diamante | 3.0L | V6 | N/A | Opening Temp: 88 C / 190 F |
| 1996 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 1996 | Mitsubishi | Mirage | 1.5L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 1995 | Dodge | Colt | 1.5L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 1995 | Mitsubishi | Diamante | 3.0L | V6 | N/A | Opening Temp: 88 C / 190 F |
| 1995 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | Opening Temp: 88 C / 190 F |
| 1995 | Mitsubishi | Mirage | 1.5L | L4 | N/A | Opening Temp: 88 C / 190 F |
* 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:
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
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.