1W4879 Core Aftercooler Fits Caterpillar Models model-ST 121 E (961810009-00) UTS (Late)

UTS (Late)

500 (S/N <280000 Early Power Booster 4

Note: Fits John Deere 410D models before serial number 801199 only -- verify serial number before ordering

Fits Lucas Electric: LRT00100

This turbo exhaust elbow is the outlet elbow connecting the turbocharger to the exhaust system on Fits International Harvester and Fits Case-IH high-horsepower row-crop tractors

1W4879 Core Aftercooler Fits Caterpillar Models model-ST 121 E (961810009-00) UTS (Late)One New Aftermarket Replacement Core Aftercooler for Caterpillar (Cat) Construction Equipment and Engines This aftermarket replacement core aftercooler (also known as a charge air cooler or intercooler) cools compressed air from the turbocharger before it enters the engine intake, improving combustion efficiency and overall engine performance. It fits a wide range of Caterpillar (Cat) machines and engines powered by the 3306, 3406, 3406B, and 3406C