3903412 cylinder liner 102mm For Cummins 6BT5.9 Engines

Product Overview:

The 3903412 is an Genuine spec dry cylinder liner for Cummins mid-range diesel engines. Fully interchangeable with 3904166 and 3900396, it complies with Cummins original tolerance and ISO9001 standards. It protects cylinder blocks, guides piston movement and sustains stable compression under heavy-duty continuous operation.

Technical Upgrades:

✅Improved grey cast iron, higher hardness and wear resistance
✅Optimized honing process for better lubrication
✅Enhanced thermal stability for medium-load operation

3903412 cylinder line Specification:

Application Scenarios:
✅Medium-duty trucks
✅Construction & farm machinery
✅Diesel generator sets

Why Choose Us?

✅Genuine Cummins quality, cost-effective
✅China Cummins Agent Price Wholsale & Price advantage
✅Global fast delivery in 5-7 days
✅Professional technical suppot