LCMS Spare Parts | Genuine Parts for SCIEX & Thermo Fisher

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Vacuum System Components

Vacuum system components are among the most frequently serviced items in an LCMS. We supply turbomolecular pumps, roughing/backing pumps, foreline tubing, and associated fittings.

Part	Description	Stock Level	Action
Turbomolecular Pump	Pfeiffer, Edwards, Varian — compatible with SCIEX, Thermo Fisher and Shimadzu platforms. Rebuilt and new units available.	High	Inquire
Roughing / Backing Pump	Rotary vane and diaphragm roughing pumps for LCMS fore-vacuum. Various flow rates available.	High	Inquire
Foreline Tubing & Connectors	KF25, KF40 compatible foreline tubing, elbow adapters, and centering rings.	Medium	Inquire
Vacuum O-Rings & Seals	Chamber O-rings, interface seals, and vacuum fitting seals for SCIEX, Thermo Fisher and Shimadzu systems.	Medium	Inquire

Ion Source Components

Ion source wear items are routine maintenance consumables. We supply ESI probes, APCI heater assemblies, curtain plates, orifice plates, and nebulizer components for SCIEX, Thermo Fisher and Shimadzu systems.

Part	Description	Stock Level	Action
ESI Probe / Needle Assembly	Electrospray needle assemblies for SCIEX Turbo V and Thermo Fisher H-ESI sources. Standard and micro-bore formats.	High	Inquire
APCI Probe & Heater Assembly	APCI corona needle, heater cartridge, and temperature sensor assemblies.	High	Inquire
Curtain Plate / Sampling Cone	Curtain plates for SCIEX, sampling and skimmer cones for Thermo Fisher platforms.	High	Inquire
Orifice Plate / Interface	Orifice plates and heated interface assemblies — critical for ion transmission efficiency.	Medium	Inquire

Detector & MS Components

Detector multipliers and related MS components with direct impact on instrument sensitivity. Replacement at end-of-life is a routine part of LCMS lifecycle management.

Part	Description	Stock Level	Action
Channel Electron Multiplier (CEM)	Detector multipliers for SCIEX triple quadrupole platforms. Key sensitivity component — typically replaced every 2–4 years.	High	Inquire
Dynode Detector Assembly	Conversion dynode and multiplier assemblies for Thermo Fisher TSQ platforms.	High	Inquire
Skimmer Cone	Skimmer cones for differential pumping stage — affects ion transmission and background noise.	Medium	Inquire
Q0 / Quadrupole Lens Assembly	Q0 rod set and lens assemblies for ion focusing — replaced when ion optics performance degrades.	Low	Inquire

LC System Components

High-pressure LC components for UHPLC and HPLC systems coupled to mass spectrometers. Seals, check valves, and solvent delivery components for all major HPLC platforms.

Part	Description	Stock Level	Action
Pump Piston Seals	Primary and secondary seals for LC pump heads — Waters, Shimadzu, Agilent, Thermo Fisher compatible.	High	Inquire
Check Valves	Inlet and outlet check valves for solvent delivery pumps. Sapphire ball, ruby ball, and ceramic types.	High	Inquire
In-Line Solvent Filters	2µm stainless steel and PEEK in-line filters for mobile phase filtration before column.	Medium	Inquire
Degasser Membranes & Tubing	Degasser chamber membranes and PEEK degasser tubing for online mobile phase degassing.	Medium	Inquire

Electronic Boards & Assemblies

Repaired and refurbished electronic assemblies for SCIEX, Thermo Fisher and Shimadzu LCMS systems. Board repair is often significantly faster and lower cost than OEM replacement.

Part	Description	Stock Level	Action
Power Supply PCB	Main power supply and switching regulator boards for SCIEX 4500 / 6500 / API Series and Thermo Fisher TSQ platforms.	Medium	Inquire
RF Driver Board	Quadrupole RF driver boards — critical for mass filter performance. Repair and exchange units available.	Medium	Inquire
Detector Preamplifier Board	High-gain preamplifier boards for detector signal processing. Repaired and tested units.	Medium	Inquire
Turbo Pump Controller	Turbo pump controller boards and frequency converter assemblies for integrated turbopump control.	Low	Inquire

Sample Introduction & Accessories

Autosampler, injection port, and general LC-MS coupling accessories. Needle assemblies, loop components, and connection hardware.

Part	Description	Stock Level	Action
Autosampler Needle Assembly	Injection needles, needle seats, and rotor seals for SCIEX, Thermo Fisher and Shimadzu autosamplers.	High	Inquire
Sample Loop	PEEK and stainless steel injection loops — various volumes from 5µL to 1mL.	Medium	Inquire
LC-MS Connection Tubing	PEEK and stainless steel transfer tubing, union fittings, and capillary connections.	High	Inquire
Nano-LC Accessories	Emitter tips, nano-spray capillaries, and nano-LC connection hardware for proteomics workflows.	Low	Inquire

Don't see the part you need listed? Contact us — we can source most SCIEX and Thermo Fisher components.

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