2. OEM Replacement Seals by Brand
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Tsurumi 35mm Double Mechanical Seal — Tsurumi H-35 / OEM 025-195-13
Tsurumi 35mm Double Mechanical Seal — Tsurumi H-35 / OEM 025-195-13
View ProductTsurumi 35mm Double Mechanical Seal —H-35 / 025-195-13
For Tsurumi 100C43.7-CR-63 and 100C47.5-CR-63 pump rebuilds, this is a direct-fit aftermarket Tsurumi 35mm double mechanical seal (upper + lower) for submersible applications using a 35 mm shaft. This seal is commonly referenced as Tsurumi H-35 / OEM 025-195-13, and many assemblies use 54mm or 57mm stationary seat OD—this listing includes both seats to help match common housing variations.
At a glance:
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Shaft size: 35 mm
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Configuration: Double seal (upper + lower)
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Seats included: 54 mm OD and 57 mm OD stationary seats
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Form: Seal assembly only (O-rings/gaskets sold separately)
Tsurumi cross references:
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Tsurumi seal ID: H-35
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Tsurumi OEM part number: 025-195-13
Compatibility:
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Tsurumi 100C47.5-CR63
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Tsurumi 100C43.7
This Tsurumi 35mm double mechanical seal (upper + lower) is commonly searched for Tsurumi 100C43.7-CR-63 and Tsurumi 100C47.5-CR-63 rebuilds and leak repairs.
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Tsurumi 100C43.7-CR-63: OEM parts list shows Mechanical Seal 025-195-13 (H-35, SiC).
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Tsurumi 100C47.5-CR-63: some OEM parts lists show Mechanical Seal 025-280-16 (H-35A, SiC+CCBN) — verify your pump’s parts list/OEM number to ensure the correct variant.
What’s included: Double seal assembly (upper + lower) with two stationary seats (54mm OD + 57mm OD) to match common housing variations.
Search tip: If you arrived here by searching “100C43.7 mechanical seal” or “100C47.5-CR63 mechanical seal replacement,” match your OEM number below for the fastest confirmation.
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Tsurumi 45/50mm Double Mechanical Seal (Step Shaft) — LH430W-61
Tsurumi 45/50mm Double Mechanical Seal (Step Shaft) — LH430W-61
View ProductTsurumi 45/50mm Double Mechanical Seal (Step Shaft) — LH430W-61
Direct-fit aftermarket double mechanical seal (upper + lower) for Tsurumi LH430W-61 submersible pumps with a 45/50mm stepped shaft (two shaft diameters per OEM spec). Built as an OEM-style replacement seal assembly for heavy-duty submersible service where long run time and dependable sealing matter.
Cross-reference up front (for faster matching): HT-4550N, 025-001-24, 025-000-04, 025-305-18.
*For full rebuild we recommend- Tsurumi LH430W-61 Seal Kit– which includes seals + O-ring kit
At a glance:
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Pump application: Tsurumi LH430W-61
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Shaft geometry: Step shaft 45/50 mm
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Configuration: Double mechanical seal (upper + lower)
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Form: Seal assembly only (for seals + O-rings, see the kit below)
Cross-reference: HT-4550N / 025-001-24 / 025-000-04 / 025-305-18.
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Tsurumi 50mm Double Mechanical Seal — H-50T / OEM 025-268-18
Tsurumi 50mm Double Mechanical Seal — H-50T / OEM 025-268-18
View ProductTsurumi 50mm Double Mechanical Seal — H-50T / OEM 025-268-18
Direct-fit aftermarket Tsurumi 50mm double mechanical seal (upper + lower) for submersible pump applications using a 50 mm shaft. This seal is commonly referenced as Tsurumi H-50T and Tsurumi OEM 025-268-18, and it’s also widely listed in aftermarket catalogs as VGMH-50T for easy manual/invoice matching.
Built for demanding submersible duty, this two-stage seal uses a proven face combination: CAR/SIC on the upper stage with a hard-face SIC/SIC lower stage to improve wear resistance and service life in abrasive applications.
At a glance:
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Shaft size: 50 mm
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Configuration: Double seal (upper + lower)
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Face sets: Upper CAR/SIC · Lower SIC/SIC
Tsurumi cross references
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Tsurumi seal ID: H-50T
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Tsurumi OEM part number: 025-268-18
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Tsurumi 60mm Double Mechanical Seal — H-60 / OEM 025-199-17
Tsurumi 60mm Double Mechanical Seal — H-60 / OEM 025-199-17
View ProductTsurumi 60mm Double Mechanical Seal (Upper + Lower) — H-60 / OEM 025-199-17
Direct-fit aftermarket Tsurumi 60mm double mechanical seal (upper + lower) for submersible pumps that use a 60 mm shaft. This seal is commonly referenced as Tsurumi H-60 and OEM 025-199-17, and it’s also frequently listed in aftermarket catalogs as VGMH-60 (Type VGM562). Built for high-duty submersible service, this complete upper + lower seal set is designed for dependable sealing and long run time in demanding applications.
At a glance:
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Configuration: Double seal (upper + lower)
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Shaft size: 60 mm
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Wilo / EMU Circulator Mechanical Seal — 2063600 (MG12 / 18-G60)
Wilo / EMU Circulator Mechanical Seal — 2063600 (MG12 / 18-G60)
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Yeomans 250CLC Mechanical Seal Set — Upper & Lower Seals (MG9 + 2100)
Yeomans 250CLC Mechanical Seal Set — Upper & Lower Seals (MG9 + 2100)
View ProductYeomans 250CLC Mechanical Seal Set — Upper & Lower Seals (MG9 + 2100)
Direct-fit aftermarket mechanical seal set for Yeomans 250CLC pumps, supplying the correct upper + lower seal pairing for dependable sealing and smoother rebuilds. This product is ideal for buyers searching by pump model (Yeomans 250CLC / “Yoemans 250clc”) and for techs matching by seal style and size.
What’s included (upper + lower)
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Upper seal: MG9 style, 2-1/4″ (2.250″) — Carbon / Silicon Carbide / Buna-N (CAR/SIC/BUNA)
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Spring note (MG9 upper): Uses an American-style, bi-directional spring (not the tapered spring used on some OEM builds) to fit more applications and simplify service.
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Lower seal: 2100 style, 2-1/8″ (2.125″) — Viton / Silicon Carbide / Silicon Carbide (VIT/SIC/SIC)
Fitment tip: Verify your pump model and seal sizes before ordering: 2-1/8″ lower and 2-1/4″ upper. Need help confirming fit or alternate materials? Seal House has on-site seal specialist. Call/Text 561-414-1046.
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Yeomans 360 Mechanical Seal Kit — Upper + Lower Seal Set
Yeomans 360 Mechanical Seal Kit — Upper + Lower Seal Set
Item #N/A
View ProductYeomans 360 Mechanical Seal Kit — Upper + Lower Seal Set (Select Your Seal Pair)