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CalorstatPart #: TH1439.80J
Calorstat TH1439.80J Engine Coolant Thermostat
⚙️ 8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$19.24Free 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.
🔥
✅ 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: Porsche and Volkswagen, 928, 944, 968, and Jetta
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Engine Coolant Thermostat options
Calorstat TH1439.80J Engine Coolant Thermostat
| Brand | Calorstat |
| Part Number | TH1439.80J |
| Sealing Flange Outside Diameter | 2.12 |
| Height Between Flanges | 1.24 |
| Type | Standard |
| Grade Type | Oem |
| Gasket Or Seal Included | Yes |
| Seal Type | Gasket o-ring |
| Start to Open Temperature | 176.0 |
| Seal Material | Rubber + paper |
| 9813 | 1.37 |
| 9841 | 5 |
| 9844 | 1 |
| By-Pass Valve Diameter | 35.0 |
| Height, By-Pass Side | 31.5 |
| Valve-Seat Diameter | 53.9 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Porsche | 968 | 3.0L | L4 | N/A | Opening Temp: 80 C / 176 F |
| 1994 | Porsche | 928 | 5.4L | V8 | N/A | Opening Temp: 80 C / 176 F |
| 1994 | Porsche | 968 | 3.0L | L4 | N/A | Opening Temp: 80 C / 176 F |
| 1993 | Porsche | 928 | 5.4L | V8 | N/A | Opening Temp: 80 C / 176 F |
| 1993 | Porsche | 968 | 3.0L | L4 | N/A | Opening Temp: 80 C / 176 F |
| 1992 | Porsche | 968 | 3.0L | L4 | N/A | Opening Temp: 80 C / 176 F |
| 1991 | Porsche | 944 | 3.0L | L4 | N/A | Opening Temp: 80 C / 176 F |
| 1980 | Volkswagen | Jetta | 1.6L | L4 | N/A | Vernet is an OE Supplier to Volkswagen |
* 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:
028 280 0010056121113A089664831.125.801.129.801.173.80.30013378133802413380612034-180234-174234-176234180288.803320833208S4255.82D4256.804256.80D4256.80D604256.834256.83D60453784N69584N695961136117234-18081986781TF8575CA9041260494410601900944106129059L91199L96529N50209N50659N51219N5488B.125.80B.129.80TH00682TH00682G1TX 13 80DVT288.80
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.