Piston
Piston Complete 3 1/2"
- Catalogue reference number
- KA-245-350
- Catalogue brand
- Kerr
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 5.60 lb (≈ 2.54 kg, converted) |
| Width | （无） |
| Height | （无） |
| Depth | （无） |
Catalogue description records
This is a complete 3-1/2 inch piston for Kerr plunger pumps and compatible units. As a piston, it transmits force from the power end to the pumped fluid inside the cylinder liner and reciprocates in the liner bore on every stroke; supplied complete with its sealing element. It fits the JT7020, KA-3500PT, and KT-3350PT models and weighs about 5.6 lb. Supplied as an aftermarket replacement that can replace Kerr part number KA-245-350.
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 pumps does this piston fit?
- It fits the JT7020, KA-3500PT, and KT-3350PT models.
- What does "complete" mean for this piston?
- "Complete" means the piston is supplied as a full assembly including its sealing element, ready to install rather than as separate components.
- What part number does it replace?
- It is an aftermarket replacement for Kerr part number KA-245-350; the brand and number are given for identification and cross-reference only and do not indicate OEM manufacture.
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.