Product Introduction
Our GE gas turbine spare parts collection features premium-grade fasteners, precision sealing components, hydraulic/lube oil pumps, flexible couplings, and combustion chamber spares, manufactured to strict OEM dimensional tolerances (±0.002 inches) and material specifications. Every component undergoes 100% pressure testing (up to 1.5x maximum operating pressure) and thermal cycling validation (-40°C to 800°C) to ensure flawless compatibility with PG9171E, GT12, and GT13 turbine models. This comprehensive list covers all high-wear, high-failure items: spiral wound gaskets, self-locking fasteners, hydraulic/lube oil pumps, O-ring seals, flexible couplings, and combustion chamber components—supporting planned overhauls, routine preventive maintenance, and emergency on-site repairs to minimize turbine downtime.
Core Functional Specifications
- Sealing System Performance: Spiral wound gaskets and high-temperature O-rings provide zero-leak sealing for gas piping, oil systems, and heat exchangers, withstanding up to 1,200°C surface temperatures and 350 PSI line pressure
- Fastener Integrity: Heat-treated hex head bolts and self-locking nuts maintain clamp load under extreme turbine vibration, with a tensile strength rating of 120,000 PSI to prevent fatigue failure
- Hydraulic & Lube Oil System Reliability: AC/DC hydraulic and lube oil pumps deliver consistent oil flow (15-25 GPM) at 200 PSI operating pressure, with 40,000-hour mean time between failures (MTBF)
- Combustion Component Durability: Combustion chamber flow sleeves and cross-fire tubes resist thermal oxidation and flame erosion, extending combustion system service life by 30% compared to standard aftermarket parts
Structural & Material Advantages
- High-Temperature Sealing Construction: Spiral wound gaskets feature 316 stainless steel winding with flexible graphite filler, rated for continuous use in extreme thermal cycling without compression set
- Corrosion-Resistant Fasteners: Alloy steel bolts and self-locking nuts are coated with a cadmium-free corrosion barrier, preventing rust and seizing in humid, salt-air industrial environments
- Precision Coupling Design: Flexible gear couplings and elastomeric bushings absorb torsional vibration and misalignment between pumps and turbine drives, reducing wear on shaft bearings
- Combustion Chamber Engineering: Heat-resistant alloy flow sleeves and cross-fire tubes maintain structural integrity under direct flame exposure, minimizing thermal distortion and gas leakage
Recommended Operating Conditions
These spare parts are optimized for the full operating envelope of GE PG9171E, GT12, and GT13 gas turbines, performing reliably in the following industrial scenarios:
- Ambient temperature range: -40°C to 55°C (-40°F to 131°F)
- System operating pressure: 100 PSI to 350 PSI (gas, hydraulic, and lube oil circuits)
- Combustion chamber temperature: Up to 1,500°C continuous duty
- Environment: Power generation plants, natural gas compression stations, offshore oil platforms, and cogeneration facilities
- Fluid compatibility: Natural gas, diesel fuel, turbine lube oil, and hydraulic fluid
Maintenance & Service Best Practices
To maximize component lifespan and prevent costly turbine outages, follow these industry-standard maintenance protocols for GE PG9171E/GT12/GT13 units:
- Preventive Inspection Schedule: Inspect all gaskets, O-rings, and fasteners every 8,000 operating hours; replace sealing components during scheduled turbine shutdowns to avoid in-service failures
- Fastener Torque Protocol: Retorque all flange bolts and structural fasteners to OEM specifications (150-250 ft-lbs) after initial startup and every 12,000 hours to maintain clamp load
- Pump Maintenance: Service hydraulic and lube oil pumps every 20,000 hours, replacing couplings and seals simultaneously to prevent oil leaks and pressure loss
- Seal Replacement Guidelines: Replace all spiral wound gaskets and O-rings in gas piping and heat exchangers every 16,000 hours, or immediately if leakage is detected
- Combustion System Checks: Inspect combustion chamber flow sleeves and cross-fire tubes for thermal damage every 12,000 hours; replace worn components to maintain combustion efficiency
We supply the following spare parts:
| Line | Description |
| 1 | Sealing Washer 261A1600P001 |
| 2 | Gasket ,spiral wound 318A9713P024 |
| 3 | Gasket spiral wound 318A9713P036 |
| 4 | Screw ,Socket Head N171P25010 |
| 5 | Bolt Hexa.HD N14P29024 |
| 6 | Bolt 239B5236P200 50 |
| 7 | Gasket,pipe flange 32449109P107 |
| 8 | Bolt N733AP35048 |
| 9 | Gasket,Packing Ring 287A1614P002/ 287A1614P004 |
| 10 | Gasket ,spiral wound 314A5326P001 |
| 11 | Bolt Hexa. Head 186C1916P022 |
| 12 | Bolt Hexa. Head 186C1916P013 |
| 13 | bolt N733AP35064 |
| 14 | Gasket,spiral wound 302A4594P031/ N5606P03006G11 |
| 15 | Gasket,spiral wound 302A4594P027/ 372A1159P009 |
| 16 | Gasket,spiral wound 302A4594P029/ N5606P02006G11 |
| 17 | Gasket,spiral wound 302A4594P033/ N5606P04003G11 |
| 18 | Gasket,spiral wound 302A4594P035/ N5606P05003G11 |
| 19 | Gasket,spiral wound 302A4594P036/ N5606P06003G11 |
| 20 | Bolt N14P33048 |
| 21 | Bolt N14P33052 |
| 22 | Bolt N14P35044 |
| 23 | Bolt N14P35060 |
| 24 | Bolt N14P35064 |
| 25 | Bolt N14P35068 |
| 26 | Nut,selflocking 5/8 974A827P008/ N265BP00033 |
| 27 | Nut,self locking 974A4827P009/ N265BP00035 |
| 28 | Fuel oil check valve 361A2943P007 |
| 29 | Gasket,fuel gas piping 318A9701P004 |
| 30 | O-ring ZURN accessory coupling part number GE : 91600572P009 |
| 31 | O-ring ZURN accessory coupling part number GE: 185A1354P272 |
| 32 | O-ring ESCO accessory coupling part number: 111200.020278.000 |
| 33 | O-ring ESCO accessory coupling part number: 111200.020260.000 |
| 34 | O-ring ESCO accessory coupling part number: 111200.020445.000 |
| 35 | O-ring ESCO accessory coupling part number: 111200.020272.000 |
| 36 | O-ring ZURN accessory coupling part number GE: 185A1354P278 |
| 37 | TURBINE ACCESSORY COUPLING Part number GE : 307A9220G001 |
| 38 | GT12 HYDRAULIC OIL PUMP 32002-40 GE PN 255A4806P001 |
| 39 | Gas Turbine AC hydraulic pump GE part number: 302A1895P002 |
| 40 | Gas Turbine AC hydraulic pump coupling GE part number: 302A1893P001 |
| 41 | Gas Turbine AC oil Pump GE Part Number : 91406336P001 |
| 42 | Gas Turbine AC Lube oil pump GE part number : 91600663P714 |
| 43 | Gas Turbine AC Lube oil pump coupling GE part number : 91600663P708 |
| 44 | Gas Turbine DC Lube oil pump coupling key GE :part number:91460680P001 |
| 45 | Gas Turbine DC Lube oil pump GE part number : 91600567P714 |
| 46 | Gas Turbine DC Lube oil pump coupling GE part number:91600567P708 |
| 47 | hydraulic relief valve with seal kit Part number: 91600714P002 part number seal kit :91600714P02A |
| 48 | Spare Part, PG9171E GTTYPE, 810273 SN, COUPLING HYD PUMP, WIKOV GEAR/ SKODA GEAR MFG, 0K002293 , DWG OK204587-01 |
| 49 | atomizing compressor gasket Manufacturer : WIKOV GEAR PART NUMBER:OK308184 |
| 50 | main hydraulic pump coupling GT12 Manufacturer: NIPPON GEAR PART NUMBER : 310Q387-911-017 PART NUMBER 310Q387-911-018 Adapter with set screw (hydrolic pump coupling) |
| 51 | coupling Bushing 88CR-TC Manufacturer: KOP-FLEX Inc. part number :1140146 |
| 52 | coupling Bushing 88CR- TC Manufacturer: KOP-FLEX Inc. part number :3751229 |
| 53 | Flexible Coupling TC-AGB Manufacturer: ESCO Couplings NV part number GE :91412922P001 |
| 54 | O-RING Flexible Coupling TC-AGB manufacturer : ESCO Couplings NV part number:111100.020441.000 |
| 55 | GASKET Fleixible Coupling TC-AGB manufacture : ESCO couplings NV Part number :449016.130000.006 |
| 56 | MAIN ATOMIZING AIR COMPRESSOR MANUFACTURER: ATLAS COPCO COMPTEC INC. MODEL: SCF-6 SERIAL No.:1831 TB1078 |
| 57 | GASKET#2 , Atomizing Air Pre-Cooler parts, GE P.N 91600698P002 , PG9171E |
| 58 | Atomizing Air Pre-Cooler parts, GASKET#1 PID, 91600698P001 GE-P/N, PG9171E GTTYPE, 810273 SN |
| 59 | Tube Bundle Spare Parts – GT 12, PG9171E PID, EGG0156 GE-P/N, Gasket Oil Side GTTYPE, 91429567P013 SN |
| 60 | GASKET HEATEXHANGER |
| 61 | Tube Bundle Spare Parts – GT 13, Gasket1 PID, 368A1960P014-230/24 GE-P/N, PG9171E GTTYPE, 810273 SN |
| 62 | Tube Bundle Spare Parts – GT 13, Gasket2 PID, 368A1960P014-270/28 GE-P/N, PG9171E GTTYPE, 810273 SN |
| 64 | Bolt 186C1916P049 |
| 65 | transition Piece Spare Parts., Locking Plate PID, 258A4784P015 GE-P/N, 717 ITEMNO, Transition Piece ARR, 103E3717G01 REFNO, 91-103E3717 DWG, PG9171E GTTYPE, EGG0156 & 810273 SN |
| 65 | Combustion Chamber Spare Parts, Flow Sleeve ,Combustion PID,101E2591G01 GE-P/P 701 ITEMNO, Combustion chamber ARR, 103E3734G01| 103E3734 DWG, PG9171E GTTYPE, EGG0156 & 810273 SN |
| 67 | Chamber Spare Parts, Tube ,X-Fire tube ,;Combustion PID,239B9455P003 GE-P/N,701 ITEMNO, Combustion chamber ARR, 103E3734G01 REFNO, ,91- 103E3734 DWG, PG9171E GTTYPE, EGG0156 & 810273 SN 15 |
Field Troubleshooting: Real-World Repair Cases
Case 1: Gas Piping Leak & Spiral Wound Gasket Failure
A power generation facility reported hazardous natural gas leakage from a PG9171E turbine fuel gas flange, triggering safety alarms. Inspection revealed a compressed and degraded 318A9713P024 spiral wound gasket. Replacing the faulty gasket with a new OEM-spec component eliminated leaks, restored pressure integrity, and allowed the turbine to resume full-load operation safely.
Case 2: Hydraulic Oil Pump Coupling Breakdown
A gas compression station experienced sudden hydraulic pressure loss in a GT12 turbine, causing turbine shutdown. The root cause was a failed 302A1893P001 AC hydraulic pump coupling with excessive wear. Installing a new KOP-FLEX flexible coupling and adapter bushing restored hydraulic flow, resolved misalignment issues, and prevented repeat failures.
Case 3: Combustion Chamber Cross-Fire Tube Fatigue
A cogeneration plant noticed uneven combustion and reduced turbine efficiency in a PG9171E unit, linked to cracked 239B9455P003 cross-fire tubes in the combustion chamber. Swapping the damaged tubes with new heat-resistant alloy spares restored uniform combustion, improved fuel efficiency, and extended combustion chamber service life.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with GE PG9171E, GT12, and GT13 turbines? | Yes, every part in this catalog is precision-engineered exclusively for GE PG9171E, GT12, and GT13 gas turbines, matching OEM material specs, dimensions, and performance ratings for direct replacement; not recommended for other turbine models. |
| What is the service life of these spare parts under continuous turbine operation? | Sealing components (gaskets, O-rings) last 16,000-20,000 operating hours; fasteners and structural components last 40,000+ hours; hydraulic/lube oil pumps deliver 30,000-45,000 hours of service with routine maintenance. |
| Can I purchase individual parts instead of full kits, and are part numbers traceable? | Yes, individual components are available for purchase using the listed GE OEM part numbers; all parts are traceable to original manufacturing standards and tested to meet API 616 and ASME turbomachinery requirements. |
Procurement Guidance & Value Proposition
Investing in these genuine-equivalent GE PG9171E/GT12/GT13 gas turbine spare parts ensures your turbomachinery operates at peak efficiency, minimizes unplanned outages, and reduces long-term maintenance costs for power generation and gas processing operations. Each component is engineered to resolve critical field pain points—from gas leaks and bolt fatigue to pump failures and combustion inefficiencies—providing both a reliable purchasing standard for inventory planning and a definitive technical repair standard for on-site maintenance teams.
Whether you are stocking critical spares for scheduled overhauls, preparing for emergency repairs, or replacing worn components to restore turbine performance, this parts catalog offers the precision, durability, and compliance needed to keep your GE gas turbines running reliably in the harshest industrial conditions. Secure your spare parts supply today to maintain operational continuity, protect your capital equipment investment, and avoid costly revenue losses from unexpected turbine downtime.
