Cylinder Liner Seal Ring 3907177 for 6CT/QSC8.3 Diesel Engine

Keywords: 3907177 cylinder liner seal ring, 6CT QSC8.3 engine liner o-ring, diesel engine cylinder sleeve sealing ring, excavator engine overhaul spare parts

Product Overview

Cylinder Liner Seal Ring Part No.3907177 is a critical sealing component specially matched for 6CT/QSC8.3 diesel engines, widely fitted on excavators and heavy-duty construction machinery. It is installed at the bottom of cylinder liner to prevent coolant leakage into engine oil chamber. It solves the failure of water leakage caused by aging, cracking and deformation of old sealing ring during engine overhaul. Each seal ring is strictly inspected for elasticity, size and surface quality before packaging and delivery.

Detailed Specifications

Key Features & Advantages

• Premium rubber raw material, excellent oil resistance, water resistance and aging resistance for long service life.
• Stable elasticity, maintain good sealing performance under high temperature and vibration working environment.
• Precise dimension, perfect fit with cylinder liner, effectively avoid coolant leakage.
• Easy to install, ideal accessory for engine cylinder liner replacement and overhaul work.
• Perfect interchangeability, can directly replace original OEM spare parts.
• Strict quality inspection to guarantee sealing reliability after installation.

Application Scope

Fit Equipment: Excavators and heavy-duty construction machinery equipped with 6CT/QSC8.3 diesel engine

Widely used for machinery repair shops, engine rebuilding factories and heavy-duty equipment overhaul services.

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

Export plastic bag + outer shock‑proof carton packaging, avoid extrusion 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.