Which pumps does this fit?

It is configured for the Aplex SC-65L and SC-115L with a 3.00" ID. Confirm your pump model and bore size before ordering.

What is the 3.00" ID?

3.00" ID is the inner bore diameter of the liner, taken from the product name. This is the working bore in which the piston reciprocates.

What part number does this replace?

It is an aftermarket replacement for Aplex part number 7203-0658-55A. The brand and part number are listed for identification only and do not indicate OEM manufacture.

Ceramic Cylinder Steel Jacket for APLEX SC-65L/SC-115L 3.00" ID

Ceramic Cylinder Steel Jacket for APLEX SC-65L/SC-115L 3.00" ID — Cylinder Liner, Ceramic aftermarket replacement part

This is a ceramic cylinder liner with a steel jacket for Aplex reciprocating pumps, fitting the SC-65L and SC-115L models with a 3.00" ID. It provides the bore in which the piston reciprocates inside the fluid end, presenting a ceramic working surface within a steel jacket as the primary wear face. It is supplied as an aftermarket replacement part interchangeable with Aplex part number 7203-0658-55A. Approximate weight is about 7.86 lb.

What it is

A ceramic cylinder liner provides the bore in which the piston reciprocates, using a ceramic working surface; like all liners it is matched to the pump's bore size.

Pump compatibility

Specifications

Property	Value
Weight	7.86 lb (≈ 3.57 kg, converted)
Width	5.50 in / 14.0 cm
Height	5.50 in / 14.0 cm
Depth	6.75 in / 17.1 cm

Manufacturer technical notes

Ceramic Cylinder Steel Jacket (APLEX SC-65L/SC-115L, 3.00" ID), forged from ASTM A106 B carbon steel substrate with high-density zirconia (ZrO₂) ceramic composite layer via plasma spraying and high-temperature sintering. API 7K certified, pressure-resistant ≥5000psi, abrasion resistance enhanced by 50%, compatible with Vermeer 36x50 mud pump fluid ends.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing Aplex 7203-0658-55A.

FAQ

Which pumps does this fit?: It is configured for the Aplex SC-65L and SC-115L with a 3.00" ID. Confirm your pump model and bore size before ordering.
What is the 3.00" ID?: 3.00" ID is the inner bore diameter of the liner, taken from the product name. This is the working bore in which the piston reciprocates.
What part number does this replace?: It is an aftermarket replacement for Aplex part number 7203-0658-55A. The brand and part number are listed for identification only and do not indicate OEM manufacture.

Related parts

See all Cylinder Liner, Ceramic →

All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.

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