Sierra  |  SKU: 18-3550

Sierra Thermostat

$52.99
✔ In stock — ready to ship
⚡ Typically ships within 1–2 business days
🚚 Free shipping on orders over $279
📦 Ships from Canadian warehouses (AB, ON, QC)
🔒 Secure checkout — trusted payment methods

Fast Shipping from Canadian Warehouses

📦 Delivered in 3–7 business days (Canada)
✔ No duties or cross-border delays

Replacement Part
  • SKU: 18-3550
  • Compatible Brand: Fits Mercruiser
  • Engine disposition: Stern Drive
  • Kit: No
  • Model number: 59078
  • Model number: 59078A1
  • Original Product Type: Thermostat and Replacement Parts
  • Specifications: Cooling
  • Temperature: 140° F

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