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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

Seal wash piston seals for Thermo UltiMate 3000 pumps, 2 per pack

Replaces OEM part number: 6040.0033

Seal wash piston seals for the UltiMate 3000 pump, two per pack, cross-referenced to 6040.0033. These are the rear seals in the wash system rather than the main high pressure seals, and they are the ones that get overlooked. When they go you see wash solvent where it should not be and, eventually, main seals that fail early because salt is reaching them from behind. Order in pairs and change both, because a dual piston head with one new seal and one old one gives you an uneven ripple that is harder to diagnose than the original fault.

Type
Piston seals, seal wash system, 2/pk
Fits
Thermo ISO-3100BM/SD, HPG-3200RS/SD, HPG-3400RS/SD, LPG-3400RS/SD/XRS, DGP-3600RS/SD, VC-P10, VC-P20, VC-P32, VC-P40
Replaces
6040.0033
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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