4916621 Genuine Oil Cooler Core For Cummins KTA38 QSK38 KTA50 QSK50 Engines.

Product Overview:

4916621 is an original 22-layer stainless steel water-cooled oil cooling core for Cummins high-power 12-cylinder K38/K50 QSK50 QSK38 engines. It is engineered for harsh operating conditions including marine vessels, mining sites, oil fields and high-power units under 24-hour continuous heavy loads with corrosion and severe vibration.it adopts an enlarged heat dissipation area and high-strength brazed structure to meet the lubrication temperature control requirements of large-displacement engines under extreme thermal loads.

4916621 Oil Cooler Core Specification:

Key Features:

✅22 stacked plates, 16% larger heat dissipation area for strong full-load cooling capacity

✅304 stainless steel whole vacuum brazing, anti-seawater corrosion & anti-vibration cracking

✅Widened internal flow channel, low pressure drop to guarantee sufficient engine oil supply

✅Dual cooling system compatibility, fits freshwater gensets and marine seawater cooling system

Application:

✅Marine main propulsion engine (inland & ocean vessels)

✅100-ton mining trucks, open pit excavators & drill rigs

✅ High-power diesel generator sets for oilfield, data center standby power

✅Oilfield fracturing trucks, large crawler cranes & heavy graders

Why Choose US?

✅100% genuine Cummins CCEC parts

✅Professional technical support for fitment verification・

✅Competitive wholesale pricing

✅Fast global shipping