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Independent. Diagnosis first, parts second.

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Illustration of a plunger rod and pump seal. Generic drawing, not a photograph of this part. Illustration

This is an aftermarket part, not an original manufacturer part. Instrument names and part numbers identify what it fits and replaces; they remain the trademarks of their owners. The manufacturer, country of origin, rated life and warranty are stated in the quote, before you decide anything. If you need the OEM part, say so and I will quote that instead.

Pump and injector spares

Sapphire plunger for Shimadzu SIL autosamplers and LC-2010

Replaces OEM part number: 228-35010-91

Sapphire plunger for Shimadzu SIL autosamplers and the LC-2010, cross-referenced to 228-35010-91. This is the autosampler plunger rather than the pump one, and the two are different parts despite looking alike, so check where the fault actually is before ordering. An autosampler plunger wears into injection volume error and carryover, not into pressure ripple. If your pressure trace is clean and your areas are drifting, you are in the right place; if the ripple is on the pump, you want the pump plunger.

Type
Sapphire plunger
Fits
Shimadzu i-Series, LC-2010 A/C HT, LC-HT, SIL-10ADvp, SIL-20A/AC, SIL-20ACHT, SIL-20ACXR, SIL-30AC, SIL-30ACMP, SIL-HTa, SIL-HTc
Replaces
228-35010-91
Condition
new
Price
Quoted per order, in Canadian dollars

Before you order: if the instrument is misbehaving, tell me the symptom, not the part number. Lamps and seals get replaced for problems they did not cause. The first look costs nothing, and if this part is not the fix, I will say so.

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