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Connecting Rod Cummins 3971211 | 4943979, 3971212, 3954658, 3901569
Ensure optimal engine performance and structural integrity with this high-strength Cummins 3971211 connecting rod. Engineered to withstand extreme combustion pressures, it delivers reliable power transfer for 4BT, 6BT, ISB, and QSB engines.
Description
High-Performance Connecting Rod for Cummins Engines
The Cummins 3971211 connecting rod is a critical component designed to link the piston to the crankshaft, converting reciprocating motion into rotational energy. Engineered to meet rigorous heavy-duty standards, this connecting rod provides the structural integrity required to withstand intense combustion pressures and high thermal loads. This part is also available under the numbers: 4943979, 3971212, 3954658, and 3901569.
Engineered for Durability and Precision
Manufactured from premium-grade materials, the 3971211 connecting rod features a robust construction that prevents bending or breaking under extreme operating conditions. Its precise dimensional tolerances ensure a perfect fit, reducing friction and wear on both the piston pin and crankshaft journals. This results in smoother engine operation, reduced vibration, and an extended service life for your diesel engine.
Applications and Compatibility
This connecting rod is widely used across a variety of industrial, agricultural, and automotive applications. It is compatible with the following engine models:
- Cummins 4BT (3.9L) and 6BT (5.9L) series
- Cummins ISB and QSB series (4.5L, 5.9L, 6.7L)
- Komatsu S4D102 engines
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 3971211
- 4943979
- 3971212
- 3954658
- 3901569
- 3971210
- 4943978
- 3935349
- 3971212RX
- 4943979RX
