The J 912885 Fuel Pump Gear (HSA) is a high-quality drive gear designed for the fuel injection pump on the Case 580 K backhoe. This gear connects to the engine timing system, ensuring accurate rotation and synchronized fuel delivery for the 4-390 / 4T-390 engine.

Compatible Model:

• Case 580 K
  (Fuel Injection Pump Drive)

Built from durable HSA-grade steel, this gear provides excellent wear resistance, precise engagement, and long service life—ideal for engine rebuilding or replacing worn/damaged fuel pump gears.

Key Features:

• High-strength HSA fuel pump drive gear

• Ensures accurate timing for fuel injection

• Precision-machined teeth for smooth rotation

• Designed for 4-390 / 4T-390 engine systems

• Durable, long-lasting, and reliable

产品说明（中文）

**J 912885 柴油泵齿轮（HSA）**专为 Case 580 K 的 柴油喷油泵驱动系统设计，是 4-390 / 4T-390 引擎正时结构中的重要部件，确保燃油喷射同步、运转顺畅。

适用型号：

• Case 580 K
  （柴油喷油泵驱动齿轮）

齿轮采用 HSA 高强度钢材制造，齿形精准、耐磨耐用，是发动机大修或更换旧齿轮的理想选择。

产品特点：

• HSA 高品质喷油泵驱动齿轮

• 确保燃油喷射正时准确

• 精密齿形、运转平稳

• 适用于 4-390 / 4T-390 引擎

• 耐用可靠、寿命长