AR12250 Main Bearing Set For Cummins KTA38 & QSK38 Engines

Product Overview:

The AR12250 Main Bearing Set is a genuine Cummins CCEC replacement component engineered exclusively for KTA38 and QSK38 V12 series diesel engines. Bimetallic composite structure offers outstanding load capacity and abrasion resistance for long-hour heavy-duty operation. Standard STD size for direct overhaul replacement.

The AR12250 Main Bearing Set Specification:

Ultra-concise Advantages:

✅Heat & wear resistant alloy layer, anti-seize for mining/oilfield heavy loads

✅Precision oil holes form steady oil film, avoid bearing burnout

✅Genuine tight tolerance, perfect fit with standard oil clearance

✅All-in-one kit with bearings & thrust washers, convenient for overhaul

Application:

✅Mining Trucks: BelAZ 7549, Komatsu Large Mining Dump Trucks

✅Oilfield Equipment: High-power KTA38 power units for fracturing trucks and cementing trucks

✅Construction Machinery: Large bulldozers, loaders, shield tunneling machines

✅Power Equipment: Large diesel generator sets, main and auxiliary engines for ocean-going vessels

Why Choose Us?

✅Professional China-based Cummins parts supplier

✅Genuine Cummins quality, strict factory inspection

✅Direct factory supply with competitive cost advantage

✅Stable stock & fast global delivery

✅Technical matching support