Original Parts Seal 6150‑21‑3230 Crankshaft Rear Oil Seal for Komatsu 6D125 S6D140 SA6D117 Engine

Keywords: 6150‑21‑3230 crankshaft rear oil seal, Komatsu 6D125 S6D140 SA6D117 rear shaft seal, excavator engine crankshaft oil seal, aftermarket construction machinery spare parts

🔹Product Overview

This crankshaft rear oil seal part number 6150‑21‑3230 fits Komatsu 6D125, S6D140, SA6D117 diesel engines. It is a vital engine sealing component installed at the rear end of crankshaft, which prevents engine oil leaking from crankshaft housing and keeps dust, mud and impurities outside entering engine interior. Produced to OEM dimensional standards, it serves as high‑quality replacement for worn, hardened or leaking original oil seal during engine repair and overhaul.

🔹Detailed Specifications

🔹Key Features & Advantages

• OEM precise dimension, direct install without modification Matches original outer diameter, inner diameter and thickness perfectly, direct fit without extra machining.
• High‑performance rubber‑metal composite material Great high‑temperature resistance, oil resistance and anti‑aging property, stable under heavy‑load working conditions.
• Superior sealing performance & extended service life Close contact with crankshaft journal, effectively eliminate oil seepage and leakage, reduce engine maintenance frequency.
• Strict factory inspection & performance test Every oil seal passes tightness and appearance inspection before leaving factory.
• Perfect interchangeability & easy maintenance Ready‑to‑use replacement spare part, ideal for engine overhaul and field repair jobs.

🔹Application Scope

Fit Equipment: Excavators, bulldozers and construction machinery powered by Komatsu 6D125, S6D140, SA6D117 engine ‑ Widely used for machinery repair workshops, equipment fleet maintenance and engine overhaul projects.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying hydraulic parts, engine 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

Anti‑collision inner package, protect parts during transportation ‑ Export‑grade outer carton for safe sea and land 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.