Caterpillar 105.88mm Diameter Front Idler Gear Shaft 151-0149 is a front idler product that guides the track chain and contributes to correct track tension. It is listed for Caterpillar heavy-equipment applications; use part number 151-0149 as the primary identification reference.
- Part Number: 151-0149
- Brand: Caterpillar
- Product Category: Front Idler
- Equipment Type: Gen Set Engine, Generator, Generator Set, Marine Engine, Marine Auxiliary, Power Module
- Compatible Models: G3508, G3516, G3512, G3516B, G3520B, SR4, SR5, SR4B, SR4BHV, G3516C, G3516E, G3516H, G3520C, G3512E, 3516C, G3512H, G3520E, G3512K, G3520H, 3516E, 3512C, 3508C, PMG3516, CG170-16, G3520J, G3516J, 3508B, G3508J, G3512B, G3512J
- Engine Models: Confirm by equipment serial number
- Condition: New
Fitment can vary by machine configuration and serial-number range. Compare the original part number, dimensions, connectors and mounting points before purchase.





