Certainly! Here’s a high-quality and SEO-optimized product title and description for the **A 50421 (HD)  OIL SEAL - STRG MAIN PUMP (NOK) 19.05 X 31.7 X 9.5 BACKHOE PARTS CASE 580**:

Product Title:
A 50421 (HD)  Oil Seal for CASE 580 Backhoe | NOK | 19.05 x 31.7 x 9.5 | Durable and Affordable

Product Description:
Upgrade your CASE 580 backhoe’s performance with the **A 50421 (HD)Oil Seal**. Crafted from premium NOK material, this oil seal measures **19.05 mm x 31.7 mm x 9.5 mm**, ensuring a precise fit and optimal functionality. 

**Key Features:**
- **High-Quality Construction:** Made from durable NOK rubber, this oil seal offers excellent resistance to wear and tear, ensuring long-lasting performance even in demanding conditions.
- **Perfect Fit:** Designed specifically for the CASE 580 backhoe, the A 50421 oil seal guarantees easy installation and a snug fit, minimizing the risk of leaks and enhancing operational efficiency.
- **Affordable Value:** Enjoy the perfect blend of quality and affordability. The A 50421 oil seal provides excellent value for money, making it a cost-effective choice for your machinery maintenance needs.
- **Improved Efficiency:** This oil seal helps maintain proper lubrication in the transmission system, reducing friction and wear, which ultimately leads to improved machine efficiency and longevity.

**Why Choose A 50421 (HD) Oil Seal?**
Investing in this oil seal means you are choosing reliability and performance for your CASE 580 backhoe. It’s an essential component that supports the overall health of your equipment, preventing costly repairs down the line. 

Upgrade your backhoe with the A 50421 (HD) Oil Seal and experience the difference in performance and durability. Order yours today and keep your machinery running smoothly!

SEO Keywords:
- A 50421 Oil Seal
- CASE 580 Backhoe Parts
- NOK Oil Seal for Backhoe
- Durable Backhoe Oil Seal

Feel free to adjust any specifics to match your branding or style!