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CalorstatPart #: OS3537

Calorstat OS3537 Engine Oil Pressure Switch
⚙️ 24 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*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: Jaguar, Saab, and Volvo, 760, 900, 9000, Vanden Plas, XJ6, XJRS, and XJS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Calorstat OS3537 Engine Oil Pressure Switch
| Brand | Calorstat |
| Part Number | OS3537 |
| Thread Size | 1/8x27 nptf |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Saab | 9000 | 2.3L | L4 | N/A | OEM Recommended |
| 1997 | Saab | 9000 | 3.0L | V6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1996 | Saab | 9000 | 3.0L | V6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1995 | Saab | 9000 | 3.0L | V6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1993 | Jaguar | XJRS | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF | ||
| 1990 | Jaguar | XJS | 5.3L | V12 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1989 | Jaguar | XJ6 | 3.6L | L6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1989 | Jaguar | XJS | 5.3L | V12 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1988 | Jaguar | XJ6 | 3.6L | L6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1988 | Jaguar | XJS | 5.3L | V12 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1987 | Jaguar | Vanden Plas | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF | ||
| 1987 | Jaguar | XJ6 | 4.2L | L6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1987 | Jaguar | XJS | 5.3L | V12 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1986 | Jaguar | Vanden Plas | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF | ||
| 1986 | Jaguar | XJ6 | 4.2L | L6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1986 | Jaguar | XJS | 5.3L | V12 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1985 | Jaguar | Vanden Plas | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF | ||
| 1985 | Jaguar | XJ6 | 4.2L | L6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1985 | Jaguar | XJS | 5.3L | V12 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1984 | Jaguar | XJ6 | 4.2L | L6 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1984 | Jaguar | XJS | 5.3L | V12 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1984 | Volvo | 760 | 2.3L | L4 | N/A | Pressure Rating: 0.6bar; Thread 1/8x27 NPTF |
| 1980 | Saab | 900 | 2.0L | L4 | N/A | OEM Recommended |
| 1979 | Saab | 900 | 2.0L | L4 | N/A | OEM Recommended |
* 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:
0 344 101 0540 344 101 074111273115261172731218684121869012660851266085-813247501324750-716068771606877-71711873333311153395003599307M91416962953492708000061058526729107954117795437279820937994153807.071AR-27977C26899GPS126GPS131GPS133RTC3651
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.