DONGLI / PART REFERENCE

Valve Spring

303034 Valve Spring

Catalogue reference number
303034
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.

303034 Valve Spring (303034) — Valve Spring

Catalogue model references

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Catalogue specification records

Original fieldRecorded value
Weight0.79 lb (≈ 0.36 kg, converted)
Width2.81 in / 7.1 cm
Height2.81 in / 7.1 cm
Depth5.00 in / 12.7 cm
Catalogue description records

Part 303034 is a valve spring for the fluid end of a reciprocating pump. It returns the valve body to its seat after each stroke so the suction and discharge valves close promptly. It fits the W-446 pump and is supplied as an aftermarket replacement for part number 303034, matching the original part's form and fit. The spring weighs about 0.79 lb.

A valve spring returns the valve body to its seat after each stroke, ensuring the suction and discharge valves close promptly.

Catalogue question records

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

Which pump does valve spring 303034 fit?
It fits the W-446 pump.
What does the valve spring do?
It returns the valve body to its seat after each stroke, ensuring the suction and discharge valves close on time.
What part number does this replace?
It is an aftermarket replacement for part number 303034, supplied to match the original part's form and fit.
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