Improve valve timing accuracy and engine performance with the J931623 HSA Valve Tappet, designed for a wide range of Case 580 backhoe loader engines.

HSA is known for producing high-strength, aftermarket engine components with excellent durability and precision. This valve tappet (also called valve lifter) ensures proper transfer of camshaft motion to the valves, maintaining smooth operation, stable combustion, and reduced engine noise.

Built using hardened alloy steel and precision-ground surfaces, the HSA tappet offers long service life and reliable performance—making it suitable for top overhaul or full engine rebuilding.

+P Key Features

• HSA Premium Aftermarket Valve Tappet

• Ensures accurate valve lift and timing

• Reduces engine tapping noise & improves smooth running

• High-strength alloy steel construction

• Precision-machined for long service life

• Ideal for engine overhaul, rebuild, or valve system repair

• Fits multiple Case 580 models with 4-cylinder diesel engines

Compatible Case Backhoe Models

• Case 580 E

• Case 580 Super E

• Case 580 K

• Case 580 K Series 2

• Case 580 K Series 3

• Case 580 Super K

• Case 580 L

• Case 580 L Series 2

• Case 580 Super L

• Case 580 M

• Case 580 Super M

SEO Keyword Tags

• Case 580 E Valve Tappet HSA

• Case 580 K Valve Lifter

• Case 580 L Valve Tappet HSA

• Case 580 M Tappet Replacement

• J931623 HSA Tappet

J931623（HSA）气门挺柱 – 适用于 Case 580 E / K / L / M 系列

J931623 HSA 气门挺柱采用高强度合金钢制造，精准度高、耐磨性能强，是发动机大修与气门系统维修时的优质替代件。

气门挺柱负责将凸轮轴的运动准确传递到气门，使气门按正确时机开闭，保持发动机运转顺畅、燃烧稳定。HSA 挺柱表面经过精密研磨，可减少噪音、降低摩擦，并延长使用寿命。

适用于多款 Case 580 机型的 4 缸柴油发动机。

+P 主要特点

• HSA 高品质售后品牌

• 保证气门时机稳定、动作顺畅

• 耐磨、耐高温，适合长期重载使用

• 精密加工，提高发动机效率

• 减少发动机敲击声

• 大修、上盖维修必换零件