Keep Your GC Running: Essential Spare Parts for Every Lab

Gas chromatography (GC) is one of the most widely used analytical techniques in chemistry, pharmaceuticals, food safety, and environmental monitoring. A GC system typically consists of an autosampler, injector, columns, detectors, and a data system. Each of these modules plays a critical role in ensuring accurate, reproducible separations and quantitation.

Like any complex instrument, GC systems are subject to wear and tear. Certain components are exposed to high temperatures, corrosive gases, and mechanical stress, making them more prone to failure.

Which Parts Break Down Most Often and Why?

• Inlets (Split/Splitless, PTV, On-Column): High thermal cycling, septum punctures, and contamination from dirty samples can damage inlet bodies, liners, and seals.
• EPC Modules (Electronic Pneumatic Control): Precision electronics and valves regulating carrier and detector gases are sensitive to leaks, dirt, and aging, leading to flow instability.
• Detectors (ECD, FID, SCD, NCD): Detector assemblies rely on delicate components such as filaments, burners, or electrodes, which degrade over time.
• Oven Components: Fans, heaters, and exhaust deflectors can fail due to prolonged high-temperature operation.
• Electronic Boards and Power Supplies: Provide stable operation for all modules; aging components can lead to intermittent failures.

What Needs to Be Replaced Frequently?

• Septum and liners: Daily to weekly, depending on use.
• O-rings, seals, ferrules: Regular wear items, replaced as part of routine maintenance.
• Detector components (ECD cells, FID jets, SCD/NCD burners): Replaced when signal stability drops.
• EPC modules and valves: Every few years, or when gas flows become unstable.

Proactive replacement of these consumable and wear parts prevents downtime and ensures your GC delivers consistent results.

Offered GC Spare Parts

1. Agilent: Quartz Heater Burner XCD, G3488-60203 (Tested)

Quartz heater burner for Agilent 8355/8255 xCD detectors. Provides stable high-temperature combustion for accurate sulfur and nitrogen detection in GC chemiluminescence analysis.

• Price: €1,900.00
• Detailed offer can be found here

2. Agilent: ECD EPC Manifold for GC 7890, G3433-60533 (Tested)

EPC manifold ensures precise gas flow to the ECD for stable and sensitive halogen compound analysis. OEM part for optimal performance.

• Price: €2,250.00
• Detailed offer can be found here

3. Agilent: GC 6890 EPC Flow Control Module, G1531-69720 (Tested)

EPC flow control module for Agilent 6890 GC. Ensures precise carrier gas regulation for consistent chromatographic performance. Ideal for service or system restoration.

• Price: €1,650.00
• Detailed offer can be found here

4. Agilent: SSL Manifold Assembly, G3452-60852 (Tested)

Critical mechanical and pneumatic subassembly used in Agilent GC/MS systems equipped with a Split/Splitless inlet.

• Price: €1,650.00
• Detailed offer can be found here

5. Agilent: SSL with EPC Assembly, 100 PSI for 8890 GC, G3547-60100 (Refurbished)

High-pressure SSL inlet with EPC for Agilent 8890 GC, supporting split/splitless modes, precise flow control, and fast heating—ideal for trace-level and routine GC applications.

• Price: €2,900.00
• Detailed offer can be found here

Agilent: SSL with EPC Assembly, 100 PSI for 8890 GC, G3547-60100

6. Agilent: 8890 EPC Module, Cool On-Column, G3450-60405 (New)

EPC module designed for precise carrier gas regulation in Agilent 8890 GC systems equipped with a Cool On-Column (COC) inlet.

• Price: €2,200.00
• Detailed offer can be found here

7. Agilent: GC Exhaust Deflector, G1530-80650 (New)

Exhaust deflector assembly safely redirects heated exhaust from the oven fan away from surrounding components in Agilent GC systems.

• Price: €250.00
• Detailed offer can be found here

8. Agilent: Split/Splitless Inlet Module incl. EPC for GC 7890, G3452-60800 (New)

Complete inlet with EPC module for Agilent 7890 GC, ensuring consistent and accurate sample injection.

• Price: €2,600.00
• Detailed offer can be found here

9. Agilent: DPS-B Digital Power Supply Board, 01050-69374 (New)

Core electronic module responsible for providing regulated power and digital control interfaces to key subsystems within Agilent GC instruments.

• Price: €300.00
• Detailed offer can be found here

10. Agilent: Split/Splitless Inlet Body, G3452-64000 (New / Refurbished)

Split/Splitless inlet body including heater/sensor and insulation, designed for use with Agilent 7890 GC systems.

• Condition: New
• Price: €3,400.00
• Detailed offer can be found here
• Condition: Refurbished
• Price: €2,600.00
• Detailed offer can be found here

Agilent: Split/Splitless Inlet Body, G3452-64000

11. Agilent: Deactivated Sample Probe for G1888 Headspace Sampler, 2322700011 (New)

Deactivated sample probe for the G1888 headspace sampler ensuring clean transfer of volatiles with minimal adsorption for accurate GC analysis.

• Price: €250.00
• Detailed offer can be found here

12. Agilent: Small Circuit Board for 7694 Headspace Sampler, 415-305-HSP (New)

Small circuit board for the 7694A headspace sampler; detects carousel position for accurate vial alignment and reliable automated handling.

• Price: €250.00
• Detailed offer can be found here

13. Agilent: Sample Vial Motor Drive Belt for 7694 Headspace Sampler, 301-010-HSP (New)

Motor drive belt for the 7694A headspace sampler; ensures smooth vial handling and dependable autosampling.

• Price: €120.00
• Detailed offer can be found here

14. Agilent: Temperature Controller Board for G1888A Headspace Sampler, 3411500113 (New)

Temperature controller board (replaces board #1 or #2) for stable temperature control and reliable sample heating in the G1888A.

• Price: €350.00
• Detailed offer can be found here

15. Agilent: Horizontal Loader Drive Belt for 7694 Headspace Sampler, 301-007-HSP (New)

Horizontal loader drive belt for the 7694A; enables smooth vial transfer and reliable automated sample handling.

• Price: €95.00
• Detailed offer can be found here

Agilent: Horizontal Loader Drive Belt for 7694 Headspace Sampler, 301-007-HSP

16. Agilent: Syringe Motor Assembly for 7673 ALS, 07673-60890 (New)

Syringe motor assembly for 7673A/7673B/G1513A ALS; delivers precise syringe control for consistent automated injections.

• Price: €215.00
• Detailed offer can be found here

17. Agilent: Turret Motor Assembly for 7673 ALS, G1513-60810 (New)

Turret motor assembly for 7673 ALS G1513A; ensures precise vial positioning for reliable automated injections.

• Price: €215.00
• Detailed offer can be found here