Crankshaft Oil Seal 3802820 For cumm-ins 4BT 6BT Diesel Engine

Keywords: 3802820, Crankshaft Oil Seal, Engine Oil Seal, cumm-ins 4BT 6BT Oil Seal, 4BT/6BT Gasket Kit Parts, Diesel Engine Spare Parts, Construction Machinery Replacement Oil Seal

Product Overview

This engine oil seal Part No.3802820 is a critical sealing component specially designed for cumm-ins 4BT and 6BT diesel engine. It effectively blocks engine lubricating oil leakage from crankshaft rotating position, prevents dust, dirt and external impurities from entering inside engine crankcase, maintains normal oil pressure and clean internal working environment. Our aftermarket oil seal is strictly manufactured according to OEM dimension and material specifications, adopting high‑quality oil‑resistant rubber material. It delivers reliable sealing performance under high‑temperature, high‑speed rotation and heavy‑load working conditions. It is an essential spare part for engine overhaul and gasket kit repair.

Detailed Specifications

Key Features & Advantages

• ✅ Exact OEM Size Matching Inner diameter, outer diameter and thickness fully comply with OEM drawing, perfect fit crankshaft housing for direct installation.
• ✅ Premium Oil‑Resistant Rubber Material Excellent resistance against engine oil corrosion, anti‑aging performance for long‑time high‑temperature working.
• ✅ Stable High‑Speed Sealing Capacity Good follow‑up performance during crankshaft high‑speed rotation, effectively avoid oil seepage.
• ✅ Strong Dust‑Proof Performance Double‑lip sealing structure keeps out external sand, dust and moisture, protecting engine internal components.
• ✅ Complete Pre‑shipment Inspection Appearance, dimension and sealing surface checking finished before goods leave warehouse.

Application Scope

Compatible Equipment List: ‑ Engine Model: cumm-ins 4BT, 6BT Diesel Engine ‑ Widely used for excavator, truck, generator set and other construction machinery engine overhaul, maintenance and gasket‑kit spare‑parts replacement.

Our Company Advantage

We are professional supplier of full‑range excavator and construction machinery spare parts, supplying oil seals, full gasket kits, engine rebuild kits and other sealing replacement accessories. ‑ Large ready stock for various cumm-ins engine sealing spare parts ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping ‑

Dust‑proof individual inner package to protect sealing lip from scratch and damage ‑ Outer reinforced export carton for long‑distance sea and land transportation ‑ Multiple shipping selections: sea freight, air freight, international express for small trial orders ‑ Export documents including Commercial Invoice, Packing List can be provided

Contact Us

If you need more engine spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.