129-8034 Bypass Valve Group
Cat® Bypass Valve Group (Hydraulic Oil Filter)
Description
The bypass valve is used in hydraulic filter systems to allow a portion of the flow to bypass the filter in cold conditions or when contaminants have built up heavily in the filter element.
Features
- Cast aluminum body
- Body Thread Size: M52
- Bolt Thread Size: M6
Applications
Repair part for hydraulic oil filter assemblies in Cat heavy-duty equipment. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Material | Alloy Aluminum |
|---|
Compatible Equipment
- Generator Sets: 3512B
- Excavators: 330D L, 325C, 325B L, 336D L, 320C, 336D2 L, 325D L, 323D2 L, 323D L, 320D2 L, 329D L, 330C L, 324D L, 330C, 311B, 320D L, 330D2, 320B, 390D, 385C L, 365B, 345B, 385B, 385C, 365C, 340D2 L, 340D L, 385C FS, 365C L, 365B L, M325D L MH, 330B, 323D, 320D FM, 336D2 XE, 330D2 L, 325C L, 320D2 GC, 330D, 320D GC, 326D L, 336D2 GC, 320D3, 325B, 324D, 325D, 323D2, 320C L, 320D2, 336D, 320D, 326D2, 390D L, 374D L, 336D2, 329D, 326D2 L, 329D2 L, 329D2
Additional information
| Machine Model | 311B, 320B, 320C, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 320D3, 323D, 323D L, 323D2, 323D2 L, 324D, 324D L, 325B, 325B L, 325C, 325C L, 325D, 325D L, 326D L, 326D2, 326D2 L, 329D, 329D L, 329D2, 329D2 L, 330B, 330C, 330C L, 330D, 330D L, 330D2, 330D2 L, 336D, 336D L, 336D2, 336D2 GC, 336D2 L, 336D2 XE, 340D L, 340D2 L, 345B, 3512B, 365B, 365B L, 365C, 365C L, 374D L, 385B, 385C, 385C FS, 385C L, 390D, 390D L, M325D L MH |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |








