IPD Std Main Bearing Part No: 3178766
$36.48
The IPD 3178766 Standard Main Bearing is precision-engineered to OEM standards for Caterpillar 3406, C15, C16, and C18 engines. Featuring tri-metal construction and durable tri-layer alloy, it ensures proper crankshaft support, even wear, and enhanced engine reliability. Ideal for heavy-duty trucks, construction equipment, and power units, this bearing enhances engine longevity and performance. Wofford Truck Parts provides this essential engine component with fast dispatch and expert technical support.
Specifications
The IPD 3178766 Standard Main Bearing delivers OEM-level performance and durability for Caterpillar 3406, 3406C/E, 3408, C15, C16, and C18 engines. Its tri-metal design offers excellent conformability and embedability, supporting precise crankshaft alignment and reducing wear under high-load and high-heat conditions. Replacement for OEM part numbers such as 4W5492, 2110592, 1W6589, 1N3542, and others, this bearing meets strict ISO manufacturing standards. Sold as individual pairs (seven total per engine), it covers a broad range of heavy-duty applications—from on-highway trucks to industrial and generator engines. IPD backs it with a 24‑month on-highway warranty and 12‑month off-highway coverage, and Wofford Truck Parts offers fast shipping and fitment support.
Weight
1.5
Compatibility
1977–Present • Caterpillar 3406 / 3406B / 3406C / 3406E
2001–Present • Caterpillar C15
2001–Present • Caterpillar C16
2003–Present • Caterpillar C18
2000–Present • Caterpillar 3408
Alternative Part Numbers
- 1N3542
- 1W6589
- 2110592
- 2170390
- 317‑8766
- 3178766
- 4W5492
- DS‑1W‑6589
- DS‑211‑0592
- DS‑217‑0390
- DS‑4W‑5492
- DS‑8N‑5421
