Hydraulic Cylinder Stroke Control Segments SCS99 Replacement Set

In this review the focus is on a practical replacement set for hydraulic cylinders: the RAParts hydraulic cylinder stroke control segment set that fits Speeco SCS99, part numbers S39103000 and 40233601. This aftermarket four-piece set is aimed at technicians and farmers who need a quick, reliable way to restore stroke control on 1.125 in to 1.50 in shafts. The bottom line: it is a straightforward, no-frills replacement set that covers a useful range of widths and saves downtime when an original segment has worn or failed.

Key Features

• Aftermarket replacement: Provides a cost-effective alternative to OEM parts for routine repairs and maintenance.
• Four-piece set: Includes four different width segments so a single kit can match different shaft fits during service calls.
• Range of widths: Includes 0.75 in, 1.00 in, 1.25 in and 1.50 in segments to cover common stroke control needs.
• Shaft compatibility: Designed for use on cylinder shafts from 1.125 in to 1.50 in, allowing flexible application across several machines.
• OEM cross-reference: Replaces part numbers S39103000, 40233601 and SCS99, which simplifies parts lookup and ordering.

Who It's For

The set is best for farm mechanics, equipment owners and service technicians who maintain agricultural or light construction machinery and need a replacement set that fits a variety of cylinders. It suits shops that prefer carrying a single kit that handles multiple shaft sizes rather than stocking several single-size segments.

Those who should look elsewhere include users requiring an exact OEM branded part for warranty or collector-restoration reasons, or applications needing custom materials or sizes outside the 1.125 in to 1.50 in shaft range provided by this kit.

Pros & Cons

Pros

• Broad width selection in one kit reduces the number of separate parts to carry.
• Cross-references common OEM numbers, making compatibility verification easier.
• Aftermarket pricing makes it an economical option for routine maintenance.

Cons

• As an aftermarket part, it may differ in finish or exact material from OEM originals, which could matter in specialized applications.

Specifications

Product	Hydraulic cylinder stroke control segment set (4 pcs)
Included widths	0.75 in, 1.00 in, 1.25 in, 1.50 in
Shaft compatibility	For 1.125 in to 1.50 in cylinder shafts
Replaces part numbers	S39103000, 40233601, SCS99
Quantity	4 pieces per set
Brand	Aftermarket

Our Verdict

The RAParts stroke control segment set is a practical, value-focused replacement for field repairs on compatible cylinders; it suits farmers and service shops that need flexibility across shaft sizes and want to avoid ordering multiple single-width parts. For routine maintenance and restoration where OEM branding is not required, this kit offers dependable coverage and good inventory efficiency.

Frequently Asked Questions

Will this set fit my cylinder?
It fits cylinder shafts sized from 1.125 in to 1.50 in; compare your shaft diameter to this range before purchasing.

Which OEM parts does it replace?
The set is a replacement for part numbers S39103000, 40233601 and SCS99, used here for identification and compatibility.

How many segments are included?
The kit includes four segments with widths of 0.75 in, 1.00 in, 1.25 in and 1.50 in.