The J935449 Seal (DCEC Original Cummins) is a genuine sealing isolator used on the cylinder head cover assembly of CASE 580 backhoe loader engines equipped with Cummins engines.

This seal helps reduce vibration, improve sealing performance, and prevent oil leakage around the cylinder head cover area. It is designed for heavy-duty engine operation and long service life.

Compatible Models:

• CASE 580 L SERIES 2
• CASE 580 SUPER L SERIES 2
• CASE 580 M
• CASE 580 SUPER M
• CASE 580 M SERIES 2
• CASE 580 SUPER M SERIES 2
• CASE 580 N

Product Specifications:

• Part No: J935449
• Product Type: Seal / Isolator
• Brand: DCEC Original Cummins
• Application: Cylinder Head Covers
• Diagram Reference: PHOTO NO. 1
• Size Reference: 10.2mm ID x 19mm OD x 10.1mm Length

Product Features:

• Genuine Cummins OEM quality
• Excellent oil sealing performance
• Reduces engine vibration
• Durable rubber material
• Heat and oil resistant
• Long service life

Common Problems:

• Oil leakage around valve cover
• Hardened or cracked seal
• Loose cylinder head cover fitting
• Engine vibration noise
• Oil contamination around engine top cover

Recommended Replacement:
Replace immediately if the seal becomes hard, cracked, leaking, or damaged to prevent engine oil leakage and contamination.

J935449 密封胶垫（DCEC 原装康明斯）

CASE 580 发动机气门室盖密封胶垫

J935449 Seal（DCEC 原装康明斯） 是安装于 CASE 580 挖掘装载机康明斯发动机气门室盖（Cylinder Head Cover）上的原装密封胶垫。

此零件可帮助减少发动机震动、防止机油渗漏，并提高气门室盖密封效果，适合重型工程机械长期使用。

适用型号：

• CASE 580 L SERIES 2
• CASE 580 SUPER L SERIES 2
• CASE 580 M
• CASE 580 SUPER M
• CASE 580 M SERIES 2
• CASE 580 SUPER M SERIES 2
• CASE 580 N

产品资料：

• 零件编号：J935449
• 产品名称：密封胶垫 / 隔震胶
• 品牌：DCEC 原装康明斯
• 安装位置：Cylinder Head Covers 气门室盖
• 图号位置：PHOTO NO. 1
• 尺寸参考：10.2mm ID x 19mm OD x 10.1mm 长度

产品特点：

• 原装康明斯 OEM 品质
• 密封效果优秀
• 减少发动机震动
• 耐高温耐机油材质
• 坚固耐用
• 使用寿命长

常见问题：

• 气门室盖漏油
• 密封胶老化破裂
• 气门室盖松动
• 发动机顶部异响震动
• 发动机顶部积油污染

建议更换：
若密封胶出现硬化、裂开、漏油或损坏，建议立即更换，以避免机油泄漏及发动机污染。