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OE Quality
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CalorstatPart #: TH1528.80J
Calorstat TH1528.80J Engine Coolant Thermostat
⚙️ 10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$39.14Free 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: BMW, 528i, 530i, 533i, and 535i
🔄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 TH1528.80J Engine Coolant Thermostat
| Brand | Calorstat |
| Part Number | TH1528.80J |
| Sealing Flange Outside Diameter | 2.63 |
| Height Between Flanges | 1.37 |
| Type | Standard |
| Gasket Or Seal Included | Yes |
| Seal Type | Gasket o-ring |
| Start to Open Temperature | 176.0 |
| Seal Material | Rubber + paper |
| 9813 | 1.14 |
| 9841 | 3 |
| 9844 | 1 |
| By-Pass Valve Diameter | 29.0 |
| Height Shoulder | 2.5 |
| Height, By-Pass Side | 35.0 |
| Valve-Seat Diameter | 67.0 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1985 | BMW | 535i | 3.5L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1984 | BMW | 533i | 3.2L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1983 | BMW | 533i | 3.2L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1981 | BMW | 528i | 2.8L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1980 | BMW | 528i | 2.8L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1979 | BMW | 528i | 2.8L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1978 | BMW | 530i | 3.0L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1977 | BMW | 530i | 3.0L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1976 | BMW | 530i | 3.0L | L6 | N/A | Vernet is an OE Supplier to BMW |
| 1975 | BMW | 530i | 3.0L | L6 | N/A | Vernet is an OE Supplier to BMW |
* 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:
11531251041115312540651153130773711539055588135582.060.80.304246-174246-180332184231.804231.80D819887TH01682TH01682G1TX 17 80D
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.