Single Spring Mechanical Seal 4490 | PS-4490 Equivalent

Direct-fit G-Type replacement equal to industry standard 4490 and PS-4490. Built to the John Crane 2100 style for reliable, leak-tight performance.

Key specs: • Shaft size: 2-1/2″ single spring seal • Seat: 3.375″ × 0.562″ • Rotary OD: 3.268″ • Working length: 1.811″

Standard material build: SIC / SIC / VIT — Silicon Carbide vs. Silicon Carbide faces; Viton/FKM elastomers (Many OEM builds use a carbon rotary—this version is upgraded to SiC/SiC for longer life.)

Fitment / notes

• VSX 8×6 series; OEM reference: P5001086 , P5001891

• Sleeve uses #140 O-ring

Cross-references

• 4490 / PS-4490

• Industry standard G-Type / John Crane 2100

Please click “specifications” below for OEM numbers and Pump Nameplate Data

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