Grundfos 16mm Mechanical Seal — OEM 96405255 / 964057255 (16mm Pump Shaft Seal)

Direct-fit Grundfos 16mm mechanical seal replacement for Grundfos CRT and TP series pumps, designed for fast, accurate ordering by OEM part number. This seal features a rugged three-prong tungsten carbide rotary face for long service life in demanding pump duty and is commonly searched as Grundfos 96405255 seal or 964057255 mechanical seal.

Seal Details

• Shaft size: 16mm

• Rotary face: Three-prong tungsten carbide

• Application: Grundfos CRT and TP series pumps

• OEM reference numbers: 96405255, 964057255

Tested model compatibility (based on customer use)

• TP 40-80/2 U-G-A-BUBE

• CRT16-3 A-P-A-E-AUUE

Cross Reference / Alternate Part Numbers

96405255 • 964 05255 • 964057255 • 964 057255 • “Grundfos 16mm pump seal” • “Grundfos TP mechanical seal 16mm” • “Grundfos CRT mechanical seal 16mm”

Fitment note: Always verify 16mm shaft size and match your existing seal style before ordering.

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