3638312 3638361 3866152 KTA38 Aftercooler Core

Product Overview:

The 3638312,3638361,3866152 fits Cummins K38/KTA38/QSK38 engines. Premium aluminum fin-tube structure offers high heat dissipation & airflow stability. Rigid pressure & leak tested, anti-vibration for mining, marine, generator heavy loads. dimensional match, direct plug replacement to restore engine power and cut fuel use.

Upgrade and Replacement Hierarchy :

✅3638312 (Original Base Model)
Early standard aftercooler core with standard-density fins and basic welding. Designed for old base-spec K38 engines. Features limited pressure and vibration resistance, easy to leak under heavy-load and marine conditions

✅3638361 (Mid-Generation Upgrade, Direct Replacement for 3638312)

Fully interchangeable with 3638312 with identical mounting size and ports. Upgraded with thickened copper tubes, denser cooling fins and premium airtight welding for better heat dissipation. Ideal aftermarket replacement for construction machinery and generator sets.

✅3866152 (Latest Generation, Full Upgrade Replacement)

Top upgraded version, fully interchangeable with both 3638312 and 3638361. Optimized in heat dissipation, pressure resistance and anti-vibration performance, suitable for all full-load harsh working conditions.

Application:

mining haul trucks, marine vessels, heavy-duty generator sets, large construction machinery, oilfield drilling equipment.

Why Choose US?

✅100% genuine Cummins CCEC parts

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