Aladdin | O-83 | Hayward TriStar & EcoStar Diffuser O-Ring
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This replacement O-ring is designed for multiple pool equipment sealing applications and is commonly used as a replacement for Hayward SPX4000Z1. On compatible Hayward pumps, it serves as the diffuser O-ring, creating a seal between the diffuser and pump housing. The O-83 is compatible with select TriStar, EcoStar, and NorthStar pumps and also cross-references to several other OEM O-ring applications.
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Key Features
ā¢ Direct aftermarket replacement for Hayward SPX4000Z1
ā¢ Commonly used as a diffuser O-ring on compatible Hayward pumps
ā¢ Compatible with select TriStar, EcoStar, and NorthStar models
ā¢ Measures approximately 2-3/8" ID x 2-3/4" OD
ā¢ 3/16" cross-section thickness
ā¢ Sold as one replacement O-ring
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Product Overview
The O-83 is commonly installed between the diffuser and pump housing on compatible Hayward pool pumps, where it helps maintain the internal seal required for proper pump operation. Compatible applications include select EcoStar SP3400VSP/SP3400VSPVR, TriStar SP3200, SP3250 and SP3600, and NorthStar SP4000-series pumps.
In addition to Hayward SPX4000Z1, the O-83 cross-references to several other equipment applications, including Pentair 274494, Jandy R0339600, and Sta-Rite U9-156, U9-185, and U9-374. Because this O-ring is used in multiple equipment configurations, verify the existing OEM part number or equipment model before replacement.