The J 921557 Engine Cooler (DCEC Original Cummins) is a high-performance oil cooler designed for the 4-390 / 4T-390 engine used on Case 580 backhoe models. This genuine Cummins cooler helps regulate engine oil temperature, prevents overheating, and ensures long-term engine durability.

Compatible Models:

• Case 580 E

• Case 580 Super E

• Case 580 K

• Case 580 Super K

• Case 580 K2

• Case 580 K3

• Case 580 L

• Case 580 Super L

• Case 580 L Series 2

• Case 580 Super L Series 2

Manufactured by DCEC (Dongfeng Cummins), this cooler provides excellent heat dissipation, corrosion resistance, and strong durability—ideal for engine overhaul, replacement, or upgrading worn/blocked oil coolers.

Key Features:

• 100% DCEC Original Cummins engine cooler

• Designed for 4-390 / 4T-390 engine

• Improves cooling efficiency & prevents oil overheating

• High-quality aluminum/steel construction

• Long-lasting, reliable performance

产品说明（中文）

**J 921557 发动机冷却器（DCEC 原厂康明斯）**适用于 Case 580 型号所使用的 4-390 / 4T-390 引擎，用于降低机油温度、避免发动机过热、延长引擎寿命。

适用型号：

• Case 580 E

• Case 580 Super E

• Case 580 K

• Case 580 Super K

• Case 580 K2

• Case 580 K3

• Case 580 L

• Case 580 Super L

• Case 580 L Series 2

• Case 580 Super L Series 2

此冷却器由 DCEC 东风康明斯原厂生产，具有优秀的散热性能、抗腐蚀性与耐用度，适合用于引擎大修、更换旧冷却器或改善油温偏高问题。

产品特点：

• DCEC 原厂康明斯正品

• 适用于 4-390 / 4T-390 引擎

• 高效散热、防止机油过热

• 结构坚固、寿命长

• 引擎稳定性更佳