Main Bearing Shell Set AR12250 STD for Engine K38 QSK38

Keywords: AR12250 main bearing shell set, K38 QSK38 STD crankshaft main bearing, diesel engine spare parts, excavator construction machinery engine parts

🔹Product Overview

This main bearing shell set part number AR12250 STD is an essential wear-resistant component for K38 and QSK38 diesel engines. It is mounted between crankshaft and engine block, used to support crankshaft and reduce friction during engine running. It serves as ideal replacement parts for engine overhaul and routine maintenance of excavators and heavy construction machinery.

🔹Detailed Specifications

🔹Key Features & Advantages

✅ Premium alloy raw material, outstanding wear resistance and anti-fatigue performance, long service life under heavy load working environment.

✅ Precise dimension processing, strict tolerance control, perfect matching for K38 QSK38 engines, simple and convenient installation.

✅ Excellent lubrication and friction reducing property, effectively protect crankshaft and engine block from abrasion damage.

✅ Produced following OEM specification standards, stable quality for continuous heavy-duty operation.

✅ Standard part number matching, convenient for engine repair, overhaul and spare parts stocking.

🔹Application Scope

• Suitable for K38, QSK38 diesel engines.
• Widely applied to excavators, mining machines, stationary generator sets and other heavy construction equipment.
• Used for engine overhaul, daily maintenance and replacement of worn main bearing shell.

🔹Our Company Advantage

We are professional supplier of diesel engine spare parts, supply a full range of engine components.

• Strict quality inspection before delivery to guarantee product quality.
• Support customized orders and small batch trial orders, offer competitive factory price and fast reply for your inquiry.
• Complete product catalogue covering multiple engine models, one-stop purchasing service for various spare parts.
• Rich export experience, familiar with international trade requirements for construction machinery parts.

🔹Packaging & Shipping

• Packed with independent plastic inner packaging and export carton box to avoid scratch and damage during transportation.
• We can ship goods by sea, air or international express according to customer requirements. Fast delivery time after receiving deposit.

🔹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.