**SEO-Friendly Product Title:**  
1345640 C1 Thrust Washer (HSA) for Backhoe Case 580 SK – Heavy-Duty Backhoe Replacement Part  

**Product Description:**  
The **1345640 C1 Thrust Washer (HSA)** is a premium-quality replacement part designed specifically for **Case 580 SK** backhoes. This thrust washer ensures optimal performance and durability, helping to reduce friction and wear in critical components. Manufactured with precision to meet OEM standards, it provides a reliable fit and enhances the longevity of your backhoe’s operations.

This part falls under the **Backhoe Parts** category, ensuring compatibility and suitability for a range of heavy-duty tasks. Whether you’re performing maintenance or repairs, this thrust washer will keep your Case 580 SK running smoothly.

**Key Features:**
- OEM-grade **1345640 C1 Thrust Washer**  
- Perfect fit for **Case 580 SK** models  
- High-quality materials for enhanced durability and reduced wear  
- Easy installation for hassle-free maintenance  

Keep your Case 580 SK backhoe in peak condition with this dependable **HSA Thrust Washer**!