3901383 Cummins Connecting Rod For 6CT 6CTA ISC ISL Engiens

Product Brief:

Primary standard bolt-split connecting rod for 8.3L C Series (straight cut with locating pins), baseline for 220–300 HP. For general heavy-duty moderate-impact service; benchmark aftermarket replacement, the most widely used & versatile C Series rod worldwide.

Specification:

Application:

✅Heavy-duty highway trucks

✅Construction machinery: loaders, mobile cranes, graders, excavators, air compressors

✅Stationary diesel generator sets (prime & standby power)

✅Marine main engines / marine auxiliary engines (moderate-duty marine service)

✅Large agricultural equipment: tractors, combine harvesters

Why Choose US?

✔️100% genuine Cummins DCEC parts

✔️Professional technical support for fitment verification・

✔️Competitive wholesale pricing

✔️Fast global shipping

FAQ:

Q1: Does 3901383 fit all C-series engines?
A1: No. Fits 6C/6CT/6CTA & early CM554 ISC/QSC 8.3 only. Not interchangeable with late 4944670 fractured rod engines or >300HP high-burst C-series. Confirm CPL/ESN prior purchase.

Q2: Does it come with rod bearings?
A2: ❌ No. Supplied with pre-installed small-end bushing only; rod bearings sold separately.

Q3: Can it replace 4944670?
A3: ❌ Not interchangeable, different big end construction. Must verify CPL / engine serial number.