Product Core Brief
- Part Number: 336A7661P1
- Brand: GE (GE Vernova / GE Energy)
- Series: GE Speedtronic Turbine Control System — legacy spare part
- Core Function: GE-assigned spare part number used in legacy Speedtronic turbine control systems, typically associated with Mark IV, Mark V, or early Mark VI turbine/generator control hardware.
- Product Type: Turbine Control Spare Part / Control System Component
- Key Specs: GE Speedtronic legacy part number; exact board type, function, and revision must be confirmed from the physical label or cabinet drawing.
- Condition: New Original (New Surplus) / Factory Sealed
Product Introduction
The GE 336A7661P1 is a GE Speedtronic legacy spare part number used in older GE turbine control systems. GE Speedtronic systems have evolved through Mark IV, Mark V, Mark VI, and Mark VIe generations, covering gas, steam, and hydro turbine applications across power generation, oil & gas, and industrial drive service.
Why this matters: many plants still operate legacy Mark IV or Mark V cabinets where original spare parts are no longer produced by the OEM. A verified 336A7661P1 unit can help restore a failed control path, avoid extended forced outages, and support planned maintenance windows. Because this is a GE-assigned part number rather than a self-describing board code, the exact function must be confirmed against the installed unit label before installation.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 336A7661P1 |
| Brand | GE / GE Vernova |
| System Family | GE Speedtronic Turbine Control |
| Typical Generation | Mark IV / Mark V / early Mark VI |
| Product Category | Turbine control spare part / control component |
| Exact Board Type | To be confirmed from physical label |
Note: Open technical references do not clearly identify the exact board type, I/O function, channel count, or cabinet location for 336A7661P1. Always verify against
the original board label, GE drawing, or cabinet BOM before ordering.
Key Selling Points & Differentiators
- Legacy GE Speedtronic spare. Suitable for plants maintaining older Mark IV / Mark V / Mark VI turbine control cabinets where OEM production has ended.
- Hard-to-source part number. GE legacy control spares are increasingly difficult to find in unused condition.
- Outage-risk reduction. Keeping a verified spare on the shelf can shorten recovery time when a legacy board fails.
- Like-for-like replacement. Intended to match the existing installed part; no programming or reconfiguration assumed unless confirmed.
- Not recommended for non-GE turbine controls, Mark VIe-only I/O racks without compatibility confirmation, or unidentified cabinet builds.
- 12-month warranty with pre-shipment visual inspection and label verification.
Quality Transparency SOP
- Part number verification. Confirm “336A7661P1” is clearly printed on the component label or GE nameplate.
- Revision & suffix check. If the board carries an additional suffix, revision letter, or GE drawing number, confirm it matches the existing unit.
- Visual PCB inspection. Check for burnt components, cracked solder joints, corroded connectors, swollen capacitors, or damaged traces.
- Connector & pin inspection. Verify edge connectors, ribbon connectors, D-sub connectors, or terminal blocks are straight and undamaged.
- ESD packaging. Sealed in anti-static bag, foam-padded box, shipped with a signed inspection report.
Technical Risk Avoidance
- ❗ Confirm exact board identity before ordering. 336A7661P1 is a GE part number, not a functional board code. The same part number may appear on different revisions or sub-assemblies.
- ❗ Match the installed revision. If the failed board shows a different suffix or revision, engineering approval is required before substitution.
- ❗ Verify cabinet generation. Mark IV, Mark V, and Mark VI hardware are not universally interchangeable. Confirm the cabinet generation and slot location.
- ❗ Check for upgraded cabinets. Some legacy Mark IV/Mark V systems have been migrated to Mark VIe or Emerson Ovation; in those cases, the original spare may no longer be applicable.
- ❗ Document wiring and jumpers. Legacy GE control boards often use jumpers, PROMs, or configuration links. Photograph them before removal.
- ❗ Do not install without label confirmation. Installing an unverified spare into a turbine protection or fuel control circuit can create unsafe operating conditions.
Buyer’s FAQ
Q: What is GE 336A7661P1? A: It is a GE Speedtronic legacy spare part number used in older GE turbine control systems. The exact board function must be confirmed from the physical label.
Q: Which turbine control system does it belong to? A: It is typically associated with legacy GE Speedtronic systems such as Mark IV, Mark V, or early Mark VI. Confirm against your cabinet documentation.
Q: Can it be used in Mark VIe systems? A: Not automatically. Mark VIe uses a different I/O architecture. Only use it if your cabinet documentation explicitly lists 336A7661P1 as a compatible spare.
Q: Is this new or refurbished? A: New original surplus — factory sealed, never installed. We do not sell pulled or refurbished boards as “new.”
Q: What should I send before ordering? A: Please provide a clear photo of the existing board label, cabinet model, GE drawing number, and any suffix or revision codes.
Q: What’s the lead time and warranty? A: In-stock units ship within 1–2 business days. 12-month warranty from ship date, covering manufacturing defects and DOA failures.
