3801876 3051554 Engine Piston for Genuine Machinery Engine NT855 NTA855

Engine Piston 3801876 3051554 Aftermarket Diesel Engine Spare Part for cumm-ins NT855 NTA855 Heavy-Duty Machinery Engine Replacement Part

Search Keywords

3801876, 3051554, Engine Piston, cumm-ins NT855 piston, NTA855 piston, cumm-ins NT855 engine parts, diesel engine piston, heavy machinery engine piston, construction machinery replacement parts

Product Overview

This Engine Piston, Part No. 3801876, 3051554, is one of the most critical moving components for cumm-ins NT855 and NTA855 diesel engines. It converts gas combustion pressure into mechanical power, working under extreme high temperature, high pressure and impact load. Our aftermarket piston is forged and precision machined following OEM specifications, with excellent heat resistance, high strength and low thermal expansion. It is widely used in heavy-duty construction and mining equipment, ideal replacement spare part for engine overhaul and rebuilding.

Detailed Specifications

Key Features & Advantages

✅ OEM Precision Size & Structure Design Strictly manufactured according to original drawing, accurate groove position and pin hole dimension, perfect match with piston rings and cylinder liner.

✅ High-Strength Aluminum Alloy Material Adopt premium aluminum alloy forging material, great high-temperature strength and impact resistance, not easy to deform under severe working conditions.

✅ Good Heat Dissipation & Thermal Stability Optimized internal cooling structure, effectively reduce piston temperature, prevent piston seizure and crack failure.

✅ Complete Assembly with Piston Pin & Circlips Supplied with matched piston pin and retaining circlips, convenient for direct installation during engine overhaul.

✅ 100% Inspection Before Shipment Each piston passes dimensional and appearance quality inspection before delivery to guarantee reliable performance.

Application Scope

Fit for cumm-ins NT855, NTA855 diesel engine, widely used on:

• Heavy duty excavators
• Mining dump trucks
• Bulldozers
• Generator sets
• Other heavy engineering machinery equipped with NT855 / NTA855 engine

Our Company Advantage

We are a professional supplier for full series cumm-ins engine spare parts. We can supply complete overhaul kits including pistons, piston rings, cylinder liners, cylinder heads, gaskets, bearings and other wearing spare parts.

• Rich stock for most popular cumm-ins engine models
• Competitive factory direct price
• Fast shipment for in‑stock goods
• Accept mixed container order for one‑stop spare parts purchasing
• Provide professional technical matching service for your part number inquiry

Packaging & Shipping

1. Independent shockproof packaging for piston, piston pin and circlips
2. Outer carton with shock‑proof protection for sea transportation
3. Support sea freight, air freight, express delivery for small trial order
4. Full export document can be offered (Commercial Invoice, Packing List)

Contact Us

If you need more spare parts for cumm-ins NT855 NTA855 engine or other construction machinery, please send your part list to us. We will offer you our best quotation immediately.