4987914 Piston for Genuine Machinery Engine L8.9L 6L375

Diesel Engine Piston 4987914 Aftermarket Spare Part for cumm-ins L8.9L 6L375 Heavy-Duty Machinery Engine Replacement Part

Search Keywords

4987914, Engine Piston, cumm-ins L8.9L piston, 6L375 piston, 4987914 piston, cumm-ins 6L engine parts, L8.9L diesel piston, heavy machinery piston, construction machinery replacement parts

Product Overview

This Diesel Engine Piston, Part No. 4987914, is a critical reciprocating component specially designed for cumm-ins L8.9L and 6L375 diesel engines. It converts combustion pressure into mechanical power and operates continuously under extreme high temperature, high pressure and impact load. Our aftermarket piston is precision forged and machined according to OEM specifications, featuring high structural strength, excellent heat resistance and stable thermal expansion performance. It is widely used in heavy-duty construction, mining and power generation equipment, and is a reliable replacement spare part for engine overhaul and rebuilding.

Detailed Specifications

Key Features & Advantages

• ✅ OEM Precision Dimension & Groove Design Strictly manufactured following original drawing data, accurate ring groove and pin hole dimension, perfectly matches piston rings, piston pin and cylinder liner.
• ✅ High-Strength Forged Aluminum Alloy Premium aluminum alloy material with outstanding high-temperature strength and impact resistance, resistant to deformation under continuous heavy-load operation.
• ✅ Optimized Heat Dissipation Structure Efficient cooling gallery design reduces piston crown temperature, effectively prevents piston seizure, crack and scuffing failure.
• ✅ Complete Set with Piston Pin & Circlips Supplied with matched piston pin and retaining circlips, convenient one-time installation during engine overhaul without extra accessory sourcing.
• ✅ 100% Inspection Before Shipment Each piston passes dimensional and appearance quality inspection before delivery to guarantee stable and reliable performance.

Application Scope

Fit for cumm-ins L8.9L, 6L375 diesel engine, widely used on:

• Heavy duty excavators
• Mining dump trucks
• Bulldozers
• Generator sets
• Other heavy engineering machinery equipped with L8.9L / 6L375 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, fuel injectors 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 ARKENOU color box with piston, piston pin and circlips in separate protective bags
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 L8.9L 6L375 engine or other construction machinery, please send your part list to us. We will offer you our best quotation immediately.