Precision Fitment:Direct OEM replacement. Prioritize verifying the embossed part number over visual references, as packaging aesthetics may vary across production batches. Engineered Resilience:All shipped components strictly adhere to specified part number (P/N) technical schematics. Fluid Containment:Parts are tested on-vehicle and validated to ensure optimal performance on the road. Multi-Fuel Compatibility: Petroleum-based lubricants Biodiesel blends Glycol-based hydraulic fluids. Critical Compliance Notice:Always cross-reference the P/N in the product title with OEM documentation. Product imagery serves illustrative purposes only. Standard O-Ring Kit 382 386 407 419 Pcs NBR FKM O Ring Kit Seal Set Box Assortment Excavator Hydraulic O Ring Kit Machinery Parts