O Seal Ring 131026 for NT855 Diesel Engine

Keywords: 131026 o seal ring, NT855 engine o‑ring, cumm-ins NT855 diesel engine rubber sealing ring, excavator engine o‑ring seal, heavy‑duty machinery rubber o‑ring, construction engine spare sealing part, aftermarket replacement o‑ring seal

Product Overview

O Seal Ring Part No.131026 is an essential rubber sealing component for cumm-ins NT855 diesel engines, widely used for excavators, generator sets and heavy‑duty industrial machinery. It is installed on engine fuel passages, oil circuits and component mating surfaces, performing gap sealing function to prevent leakage of engine oil, diesel fuel and coolant, and block external dust and debris from entering engine inner parts. This replacement o‑ring resolves leakage issues triggered by original seal aging, cracking, hardening and permanent deformation under high‑temperature, high‑pressure and vibrating operating conditions. Every o seal ring undergoes dimension inspection, rubber material performance test and appearance defect check before delivery.

Detailed Specifications

Key Features & Advantages

• Premium rubber compound material, outstanding oil‑resistance, heat‑resistance and anti‑aging property, suitable for harsh heavy‑load working environment.
• Strictly manufactured to OEM dimension specifications, precise size, perfectly fit installation grooves, direct replacement without modification.
• Good elastic resilience, maintain stable sealing effect amid engine temperature fluctuation and long‑time vibration.
• Effectively stop oil, fuel and coolant leakage at assembly joints, lower the risk of engine abnormal faults.
• Important sealing spare part for NT855 engine overhaul, generator & excavator maintenance and defective o‑ring replacement projects.

Application Scope

Fit Equipment: Excavators, generator sets and heavy‑duty industrial machinery powered by cumm-ins NT855 diesel engine. ‑ Widely applied for machinery repair workshops, generator service yards and full engine overhaul maintenance projects.

Our Company Advantage

• We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits.
• Large ready stock for various machinery spare parts
• Factory‑direct wholesale competitive price
• Mixed‑order & one‑stop spare‑parts procurement supported
• Professional part‑number matching technical support service

Packaging & Shipping

• Neutral export carton with shock‑proof inner packing, prevent collision damage during long‑distance transportation
• Multiple shipping options: sea freight, air freight, international express for small trial orders
• Export documents such as Commercial Invoice, Packing List can be provided.

Contact Us

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