Check the listing for details. Caterpillar Hydraulic Oil Additive (624-3379) 1 Quart / 32 Oz Sealed OEM. Condition: New, Made in United States. Listed at 44.00 USD. The Caterpillar Hydraulic Oil Additive (624-3379) is a high-quality product manufactured by CAT in the United States. This hydraulic oil additive comes in a volume of 32oz, making it easy to measure and add to your machines hydraulic system. The OEM packaging ensures the product is sealed and protected, guaranteeing its authenticity and effectiveness in maintaining the performance of your vehicle's hydraulic system. This product is designed specifically for Caterpillar equipment and is a reliable solution for ensuring smooth and efficient operation.The Caterpillar Hydraulic Oil Additive (624-3379) is a high-quality product manufactured by CAT in the United States. This hydraulic oil additive comes in a volume of 32oz, making it easy to measure and add to your machines hydraulic system. The OEM packaging ensures the product is sealed and protected, guaranteeing its authenticity and effectiveness in maintaining the performance of your vehicle's hydraulic system. This product is designed specifically for Caterpillar equipment and is a reliable solution for ensuring smooth and efficient operation.