Grundfos CR Unitized Mechanical Seal — OEM Type H / Type E Cartridge (12mm / 16mm / 22mm / 28mm)

Direct-fit unitized cartridge mechanical seals for Grundfos CR / CRI / CRN / CRNE multistage pumps. Choose your shaft size (12, 16, 22, or 28mm) to match the correct OEM cartridge style (Type H threaded / Type E clamp-in) and order by the OEM part number for fast, accurate replacement. All versions are supplied in Viton / Silicon Carbide / Silicon Carbide (VIT/SiC/SiC) for excellent wear resistance, temperature capability, and chemical resistance in demanding pump service.

Size options:

12 mm (96455086) — Type H (Threaded Cartridge) 

• Build: VIT/SIC/SIC, threaded cartridge

• Fits: CR, CRI, CRN, CRNE sizes 1, 3, 5, 8 (e.g., CR3, CRN5)

• Alt. manufacturing numbers: 96455082, 96455083, 96455084, 96455085, 96455086, 96455087, 96455089

16 mm (96484071, 96511844) — Type H (Threaded Cartridge)

• Build: VIT/SIC/SIC, threaded cartridge

• Fits: CR, CRI, CRN, CRNE sizes 10, 15, 20 (e.g., CRN15, CR20)

• Alt. manufacturing numbers: 96484071, 96511836, 96511837, 96511840, 96511841, 96511844, 96511845

22 mm (96525458) — Type E (Clamp-In Cartridge)

• Build: VIT/SIC/SIC, clamp-in cartridge

• Fits: CR, CRI, CRN, CRNE sizes 32, 45, 64, 90

• Alt. manufacturing numbers: 96416584, 96433365, 96436728, 96525458, 96525459, 96525490

28 mm — Type H (Thread-In)

• Part no.: 992626350

• Build: VIT/SIC/SIC, thread-in mechanical seal

• Fits: CR/CRN 125–255 (D28)

Cross references & alternative part numbers

Search any of the numbers below to find the correct Grundfos Type H / Type E unitized seal:

12mm — Type H (Threaded Cartridge)

• 96455086 (also searched as: 964 55086 / #96455086)

• Alternate manufacturing numbers: 96455082, 96455083, 96455084, 96455085, 96455086, 96455087, 96455089

16mm — Type H (Threaded Cartridge)

• 96484071, 96511844 (also searched as: 964 84071 / 965 11844)

• Alternate manufacturing numbers: 96484071, 96511836, 96511837, 96511840, 96511841, 96511844, 96511845

22mm — Type E (Clamp-In Cartridge)

• 96525458 (also searched as: 965 25458 / #96525458)

• Alternate manufacturing numbers: 96416584, 96433365, 96436728, 96525458, 96525459, 96525490

28mm — Type H (Thread-In)

• 992626350 (also searched as: 992 626350 / #992626350)

Why this seal

• Unitized cartridge = consistent working length, faster installs

• SiC/SiC faces + Viton elastomers = wear, temperature, and chemical resistance

• OEM Type H/E form factors to match Grundfos assemblies

Notes:
Please verify shaft size, series/size (CR/CRI/CRN/CRNE), and OEM Type (H/E) against your nameplate or parts list. If you need alternate material codes or help confirming the correct seal, contact us—we’ll match it to your pump, we are here to help.

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