4955352 Cummins Main Bearing Set For 4BT 6BT Engines

Product Overview:

4955352 is a DCEC-upgraded STD main bearing assembly for Cummins 6B/6BT/6BTA5.9 & QSB5.9 engines. Optimized with enhanced bi-metal AlSn20Cu alloy and improved surface finish, it delivers higher load capacity, better wear resistance,it ensures perfect fitment and longer service life for heavy-duty truck, construction, generator, and marine applications.

Upsized Series (Same Platform):

4955352：STD
4955353：+0.25 mm（010）
4955354：+0.50 mm（020）
4955355：+0.75 mm（030）

4955352 main bearing Specifition:

Applicaton:
✅Commercial Trucks: Dongfeng medium trucks, Dodge Ram 2500/3500, coaches
✅Construction Machinery: Excavators, loaders, bulldozers, graders, road rollers
✅Generator Sets: 200–300kW industrial & emergency diesel gensets
✅ Marine Equipment: Inland fishing boats, transport vessels, marine auxiliary units
✅ Special Equipment: Oilfield, mining & agricultural machinery

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