Piston Ring Kit 4955251 For 6BT QSB4.5 ISM11 Engine

Keywords: 4955251 piston ring kit, 6BT piston ring set, QSB4.5 B4.5 4BT 4D102 ISB4.5 QSK19 QSL9 ISM11 QSM11 piston ring, excavator engine piston ring, construction machinery spare parts, aftermarket replacement piston ring kit

Product Overview

Piston Ring Kit Part No.4955251 is an essential engine overhaul component compatible with cumm-ins 6BT, QSB4.5, B4.5, 4BT,4D102,ISB4.5,QSK19,QSL9,ISM11,QSM11 diesel engines for excavators and heavy‑duty construction machinery. It realizes cylinder sealing, controls engine oil consumption and transfers heat from piston to cylinder liner. This replacement kit resolves common problems including excessive oil burning, blue exhaust smoke, power loss and low compression pressure caused by original piston ring wear, carbon deposition and elastic fatigue. Each piston ring kit is strictly inspected on material, surface treatment and dimensional tolerance before shipment.

Detailed Specifications

Key Features & Advantages

• High‑quality alloy steel with chromed surface treatment, excellent wear‑resistance and heat‑resistance for heavy‑load working conditions.
• Precise dimension processing, good elasticity, reliable cylinder sealing performance, effectively reduce engine oil consumption.
• Effectively solve engine oil burning, blue smoke emission, insufficient power and cylinder pressure drop caused by aged original piston rings.
• Anti‑carbon‑deposit performance, stable elasticity, extend engine service life after overhaul.
• Ideal overhaul spare part for multiple cumm-ins series engine maintenance projects.

Application Scope

Fit for cumm-ins 6BT, QSB4.5, B4.5, 4BT,4D102,ISB4.5,QSK19,QSL9,ISM11,QSM11 diesel engines used for various excavators and heavy construction equipment.

Our Company Advantage

We supply wide range of excavator and diesel engine spare parts. Strict quality inspection before shipment, stable supply, fast delivery, support small‑batch trial order and bulk wholesale.

Packaging & Shipping

Neutral export carton packaging or customize packing according to your requirement. Goods can be shipped by sea, air or international express.

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.