Valve Cover
W440 Valve Cover
- Catalogue reference number
- Not recorded
- 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.
Original designation: W440阀盖B440343
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue description records
The W440 valve cover is an aftermarket replacement part for W440 mud pumps. It closes the valve bore in the fluid end, retaining pressure and allowing the valve assembly to be removed for service. The model and part numbers shown are used for identification only and do not imply original-manufacturer production.
A valve cover closes the valve bore in the fluid end, retaining pressure and allowing the valve assembly to be removed for service.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pump does this valve cover fit?
- It is built to fit the W440 mud pump as an aftermarket replacement part.
- What does a valve cover do?
- A valve cover closes the valve bore in the fluid end, retaining pressure and allowing the valve assembly to be removed for service.
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