Titan 779-118 Block-OEM
Titan part 779-118 is an OEM replacement block (manifold / mounting block) used on compatible PowrLiner airless stripers. This component serves as a fluid or mounting interface – typically between the pump, pressure transducer, or hose connections. A cracked, warped, or stripped block can cause leaks, pressure loss, or component misalignment. Replacing with genuine OEM block restores proper sealing and system integrity.
| Part Number | 779-118 |
|---|---|
| Part Description | Block-OEM |
| Brand | Titan |
| Fits |
PowrLiner 8900, 8900XLT, 8900XLT SP, 6950, 6900XLT, 6900XLT SP, 4950, 4900, 4900XLT |
| Condition | New |
OEM Replacement Block for PowrLiner Stripers – Titan 779-118
The Titan 779-118 Block-OEM is a genuine manufacturer replacement block used in the fluid or mounting system of compatible PowrLiner airless stripers. Depending on the specific application, this block may function as a manifold, a pump mount, a pressure transducer adapter, or a hose connection hub.
Over time, blocks can crack from overtightening, freeze damage (if water is left in the system), or simple material fatigue. A damaged block typically causes external leaks, loss of spraying pressure, or inability to properly secure connected components. Replacing with the OEM Titan 779-118 block ensures correct fit, port alignment, and sealing surface integrity.
What it does and when to replace it
| Fluid routing | Directs paint flow between pump, hose, and pressure sensor |
|---|---|
| Mounting interface | Secures pump, transducer, or filter assembly to frame |
| Sealing surface | Provides flat, machined surfaces for O‑ring or gasket seals |
| Port connections | Accepts threaded fittings for hoses and adapters |
| Visible cracks | Cracks in casting, especially near threaded ports |
|---|---|
| Persistent external leaks | Leak at block mating surface after new O‑ring/gasket |
| Warped mounting face | Block no longer flat, causing poor seal |
| Stripped threads | Internal threads damaged from overtightening |
Compatibility
Titan part 779-118 is a direct OEM replacement block for the following PowrLiner models. Always verify with your machine’s parts diagram for exact application.
| Model | Component |
|---|---|
| PowrLiner 8900 | OEM block |
| PowrLiner 8900XLT | OEM block |
| PowrLiner 8900XLT SP | OEM block |
| PowrLiner 6950 | OEM block |
| PowrLiner 6900XLT | OEM block |
| PowrLiner 6900XLT SP | OEM block |
| PowrLiner 4950 | OEM block |
| PowrLiner 4900 | OEM block |
| PowrLiner 4900XLT | OEM block |
Related parts commonly serviced together
When replacing the block, inspect these associated sealing and mounting components.
Always replace sealing rings between block and pump/transducer to prevent new leaks.
Corroded or stretched fasteners can cause uneven clamping and block fracture.
If the block cracked near the transducer port, inspect the transducer for damage.
Frequently Asked Questions
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