Piston
303081 Piston Assembly, 4.5 Inch, Bonded
- Catalogue reference number
- 303081
- 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.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 7.00 lb (≈ 3.18 kg, converted) |
Catalogue description records
The 303081 Piston Assembly is a 4.5-inch bonded piston 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 its sealing element and reciprocating within the liner bore on every stroke. This is an aftermarket replacement part supplied under part number 303081 and ships at about 7 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.
- What does the 303081 piston assembly do?
- It transmits force from the power end to the fluid inside the cylinder liner and carries the sealing element as it reciprocates in the liner bore. It is sized at 4.5 inches.
- What does "bonded" mean for this piston?
- "Bonded" refers to the bonded construction of this 4.5-inch piston assembly, as stated in the product name.
- Is 303081 an OEM part?
- It is an aftermarket replacement piston assembly supplied under part number 303081 to match the original by form and fit.
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.