Bushing
SJ300 Bushing
- 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: SJ300密封衬套A1400159AA
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 SJ300 Bushing is an aftermarket replacement seal bushing for SJ300 mud pumps. As a seal bushing it provides the bore and bearing surface that carries the rod seal, supporting the reciprocating rod and keeping it aligned within the sealing area. The model designation is used for identification only and does not imply original-equipment manufacture.
A bushing provides a replaceable bearing surface for a shaft or pin.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which mud pump does this bushing fit?
- It is built as an aftermarket replacement for the SJ300 mud pump.
- What does the seal bushing do?
- It provides the bore and bearing surface that carries the rod seal and keeps the reciprocating rod aligned.
Check the original reference
Search original filenames and model text here. Check part numbers inside the PDF. No associated model is selected or shortened automatically.
Prepare a review checklist
Entries on this page are not sent or saved automatically. Copy and save them before leaving.
Starts blank. Catalogue or manual quantities are not copied into your request.
Nothing has been sent.
Technical review & contact
Include the nameplate, original part number, manual page and the quantity you need. Check the original request before sending.