Genuine ZTech Engine Thermostat 21613426 – Low-Temperature 82°C | Made in Germany

Ensure **optimal engine cooling and performance** with the ZTech Engine Thermostat 21613426, designed for **Volvo D13 and Mack engines**. This **low-temperature 82°C thermostat** helps regulate **engine temperature**, preventing **overheating** and improving **fuel efficiency**. Manufactured in **Germany**, this **high-performance thermostat** guarantees **reliability and durability** under demanding driving conditions.

• ✅ Genuine ZTech Thermostat: Designed for **Volvo D13 and Mack engines**, ensuring **optimal cooling system performance**.
• ✅ Low-Temperature Operation (82°C): Helps prevent **overheating**, improves **fuel efficiency**, and extends **engine lifespan**.
• ✅ High-Quality German Engineering: Manufactured in **Germany** to meet **OEM standards** for **durability and reliability**.
• ✅ Compatible with Multiple Part Numbers: Replaces **21613426, 21412639, 21237213, and 20560249**.
• ✅ Perfect Upgrade for Volvo VNL Trucks: Enhances **cooling efficiency** for **Volvo D13-powered VNL models**.

• ✔ **Optimized Cooling:** Helps regulate engine temperature for **smooth operation and reduced overheating risk**.
• ✔ **Enhanced Fuel Economy:** Maintains **ideal operating temperatures**, improving **fuel efficiency** and **reducing emissions**.
• ✔ **Longer Engine Life:** Prevents **thermal stress**, reducing **wear and tear** on engine components.

• ✔ **Durable & Reliable:** Made from **premium-quality materials** to withstand **extreme temperatures**.
• ✔ **Precision Engineering:** Designed for **seamless fitment and long-lasting performance**.

• ✔ **Easy Installation:** Direct **OEM replacement** for hassle-free installation.
• ✔ **Minimal Maintenance:** Periodic checks recommended for **optimal cooling system performance**.

The **ZTech Engine Thermostat 21613426** is securely packaged to prevent **damage during shipping**, ensuring **safe delivery**.

• 🔄 30-Day Return Window: Unused items can be returned within **30 days of purchase**.
• 📦 Return Eligibility: Items must be **unused, in original condition, with proof of purchase**.
• 🚚 Safe Return Shipping: Use **stretch film and a protective outer box** to prevent damage.
• 💳 Inspection & Refund: Refund status will be updated after inspection of the returned item.

• ❓ Is this thermostat compatible with all Volvo D13 and Mack engines?
  ✔ Yes, this **OEM replacement thermostat** fits **Volvo D13 and Mack MP8 engines**, including **Volvo VNL trucks**.
• ❓ What are the benefits of using a low-temperature 82°C thermostat?
  ✔ It **reduces engine overheating risk**, improves **fuel efficiency**, and extends **engine life**.
• ❓ What part numbers does this replace?
  ✔ Compatible with **21613426, 21412639, 21237213, and 20560249**.
• ❓ Can I install this thermostat myself?
  ✔ Yes, it is a **direct-fit replacement**, but professional installation is recommended for **optimal performance**.