Other Pump Part
Economy Series Hardened Chrome Cylinder/Liner 4.00 Inch for APLEX SC-170L/SC-170DD
- Catalogue reference number
- 303009
- 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 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 | 18.60 lb (≈ 8.44 kg, converted) |
| Width | 6.50 in / 16.5 cm |
| Height | 6.50 in / 16.5 cm |
| Depth | 8.00 in / 20.3 cm |
Catalogue description records
This is an Economy Series hardened chrome cylinder liner with a 4.00 inch bore, supplied for the APLEX SC-170L and SC-170DD pumps. The cylinder liner is the replaceable bore in which the piston reciprocates and is a primary wear surface in the fluid end, matched here to the 4.00 inch bore size. It is an aftermarket replacement part referenced to SKU 303009 and weighs about 18.60 lb.
This is a replacement part for the listed reciprocating pump models, supplied to match the original component's form and fit.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this cylinder liner fit?
- It is supplied for the APLEX SC-170L and SC-170DD pumps with a 4.00 inch bore. Confirm against your pump before ordering.
- What does the cylinder liner do?
- It provides the replaceable bore in which the piston reciprocates and is a primary wear surface in the fluid end, matched to the pump's bore size.
- What is the bore size of this liner?
- The liner has a 4.00 inch bore, as stated in the product name. No further material specifications are published here beyond the hardened chrome description in the name.
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