DONGLI / PART REFERENCE

Piston

303050 Piston Assembly; 6.00 Inch x 1.625 Inch Bore, Series B

Catalogue reference number
303050
Catalogue brand
Not recorded

Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

303050 Piston Assembly; 6.00 Inch x 1.625 Inch Bore, Series B (303050) — Piston

Catalogue model references

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Catalogue specification records

Original fieldRecorded value
Weight14.60 lb (≈ 6.62 kg, converted)
Width6.75 in / 17.1 cm
Height3.75 in / 9.5 cm
Depth6.75 in / 17.1 cm
Catalogue description records

Part 303050 is a 6.00 inch piston assembly with a 1.625 inch bore, Series B, for the fluid end of a reciprocating pump. The piston transmits force from the power end to the pumped fluid inside the cylinder liner, carrying the sealing element and reciprocating within the liner bore on every stroke. It fits the W-446 pump and is supplied as an aftermarket replacement for part number 303050, matching the original part's form and fit. The assembly weighs about 14.60 lb.

A pump piston transmits force from the power end to the pumped fluid inside the cylinder liner. It carries the sealing element and reciprocates within the liner bore on every stroke.

Catalogue question records

Original catalogue questions are retained. Fitment and availability need technical review.

Which pump does piston assembly 303050 fit?
It fits the W-446 pump, in the 6.00 inch x 1.625 inch bore Series B size.
What does the piston assembly do?
It transmits force from the power end to the pumped fluid inside the cylinder liner, carrying the sealing element as it reciprocates in the liner bore.
What part number does this replace?
It is an aftermarket replacement for part number 303050, supplied to match the original part's form and fit.
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