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2. OEM Replacement Seals by Brand

  • Placeholder

    HOMA Mechanical Seal – 50mm (O-Ring Seat)

    HOMA Mechanical Seal – 50mm (O-Ring Seat)

    HOMA Mechanical Seal – 50mm (O-Ring Seat)

    Direct-fit aftermarket replacement mechanical seal for HOMA submersible pump applications that use a 50mm shaft size with an O-ring style stationary seat. Built to match OEM-style fit and function for dependable sealing performance in demanding pump environments.

    Key details

    • Shaft size: 50mm

    • Seat type: O-ring seat

    Fitment note

    HOMA uses multiple seal designs that can share the same shaft size. To ensure correct fit, confirm your seal’s seat style (O-ring seat) and verify remaining dimensions if applicable before ordering.

    If you’re unsure, email us photo of the old seal next to a ruler and your pump details at info@sealhouseusa.om—we’ll help you match it.

    Need the full rebuild kit (both seals + O-rings) for the AMX646?

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Mechanical Seals and Gaskets

    Have questions? Call us anytime- we’re here to help 

    Weight 3 lbs
    Dimensions 10 × 8 × 4 in
  • Placeholder

    HOMA Mechanical Seal – 55mm (Cup Seat / 14mm Thick)

    HOMA Mechanical Seal – 55mm (Cup Seat / 14mm Thick)

    HOMA Mechanical Seal – 55mm (Cup Seat / 14mm Thick)

    Direct-fit aftermarket replacement mechanical seal for HOMA submersible pump applications that use a 55mm shaft size with a special cup-style stationary seat. This version includes a 14mm thick cup seat, designed to match the required thickness and fit where standard seats will not work—helping restore proper sealing performance in demanding pump environments.

    Key details

    • Shaft size: 55mm

    • Seat type: Special cup seat

    • Seat thickness: 14mm thick

    Fitment note

    HOMA uses multiple seal designs that can share the same shaft size. To ensure correct fit, confirm your seal’s seat style (cup seat) and seat thickness (14mm), and verify the seat pocket depth before ordering.

    If you’re unsure, email us a photo of the old seal and a quick measurement of the seat pocket depth to info@sealhouseusa.com—we’ll help you match it.

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Mechanical Seals and Gaskets

    Have questions? Call us anytime- we’re here to help 

    Weight 3 lbs
    Dimensions 10 × 8 × 4 in
  • Placeholder

    HOMA Mechanical Seal – 65mm (Cup Seat / 14.5mm Thick)

    HOMA Mechanical Seal – 65mm (Cup Seat / 14.5mm Thick)

    HOMA Mechanical Seal – 65mm (Cup Seat / 14.5mm Thick)

    Direct-fit aftermarket replacement mechanical seal for HOMA submersible pump applications that use a 65mm shaft size with a special cup-style stationary seat. This version includes a 14.5mm thick cup seat, designed to match the required thickness and fit where standard seats will not work—helping restore proper sealing performance in demanding pump environments.

    Key details

    • Shaft size: 65mm

    • Seat type: Special cup seat

    • Seat thickness: 14.5mm thick

    Fitment note

    HOMA uses multiple seal designs that can share the same shaft size. To ensure correct fit, confirm your seal’s seat style (cup seat) and seat thickness (14.5mm), and verify the seat pocket depth before ordering.

    If you’re unsure, email a photo of the old seal and a quick measurement of the seat pocket depth to info@sealhouseusa.com—we’ll help you match it.

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Mechanical Seals and Gaskets

    Have questions? Call us anytime- we’re here to help 

    Weight 3 lbs
    Dimensions 10 × 8 × 4 in
  • Placeholder

    Speck Mechanical Seal | OEM Replacement (20mm & 70mm)

    Speck Mechanical Seal | OEM Replacement (20mm & 70mm)

    Item #N/A

    Speck Mechanical Seal | OEM Replacement (20mm & 70mm)

    Direct-fit aftermarket mechanical seals for Speck pump applications, built for dependable sealing performance and OEM-style compatibility. Select your correct size from the dropdown to match your pump’s shaft size and application.

    Available variations (choose from dropdown)

    • 20mm (often listed as “Speck pump shaft seal” replacements)

    • Equivalent to VGM-2920

    • OEM cross reference: Speck 2920343310

    • Common use: general-purpose 20mm Speck pump applications

    • 70mm (Speck ATB pump application)

    • Fits Speck ATB pump applications

    • Frame: WP-DA160LU4-H

    • Rating reference: 7.5 kW / 15 HP

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets

    Have questions? Call us anytime- we’re here to help 

    Weight 2 lbs
    Dimensions 10 × 8 × 4 in
  • Placeholder

    Stokes Mechanical Seal — Models 148, 149-20, 212J

    Stokes Mechanical Seal — Models 148, 149-20, 212J

    Item #N/A

    Stokes Mechanical Shaft Seal — Models 148, 149-20, 212J

    Direct-fit aftermarket mechanical shaft seals for Stokes rotary piston / vacuum pump applications. Each seal is engineered to match critical dimensions of the original Stokes assembly for reliable sealing performance in demanding vacuum service. Select your pump model from the dropdown to match the correct configuration.

    Choose the required Stokes model from the drop down menu above:

    Stokes Model 148

    • 33.3mm shaft size

    • 57mm seat diameter

    • Carbon face / stainless

    • Buna (NBR) elastomers for general-purpose oil service

    Stokes Model 149-20

    • 1-1/4″ shaft size

    • 2.000″ seat bore

    • Full rubber bellows rotary design (OEM-style concept)

    • Install note: add a flat washer (up to 1/8″) behind the rotary to optimize working length/compression

    Stokes Model 212J

    • 46mm shaft size (“special” variant)

    • Carbon face / stainless

    • Viton (FKM) elastomers for higher-temp / chemical-resistant service

    • Supplied with dual wave-type springs

    • Install note: for a softer compression / closer-to-OEM set length, remove one spring or stack both wave springs together

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets

    Weight 3 lbs
    Dimensions 10 × 8 × 4 in
  • T-78 mechanical seal

    T-78 Mechanical Seal (T-78) – 17MM | 20MM | 25MM | 30MM

    T-78 Mechanical Seal (T-78) – 17MM | 20MM | 25MM | 30MM

    Item #N/A

    T-78 Mechanical Seal (T-78)

    Type 78 trash pump mechanical seal designed for Honda, Bluemaxx, and other portable pumps handling dirty or debris-filled water.

    The Type 78 mechanical seal is a widely used design for portable “trash pumps,” commonly found in Honda, Bluemaxx, Koshin, and similar pump brands. These seals are specifically built for handling dirty water, sludge, and light debris, making them ideal for construction, agriculture, and dewatering applications.

    At Seal House, we standardize this seal with premium Silicon Carbide faces, Buna (Nitrile) elastomers, and 304 stainless steel metal components for improved durability and longer service life in abrasive environments.  Please note we offer 17mm in in Carbon/Ceramic for clean water applications.

    Available shaft sizes (choose from drop down menu above):

    • 17mm CAR/CER (carbon/ceramic–for clean water applications)

    • 17mm SIC/SIC (silicon carbide/silicon carbide)

    • 25mm SIC/SIC (silicon carbide/silicon carbide)

    • 30mm SIC/SIC (silicon carbide/silicon carbide)

    OEM & Cross Reference

    Koshin KTH-80X
    OEM Part Number: 3220115678 (25mm)
    Commonly used in Honda WT, WB, HL, MP and similar trash pump models.

    Key Features

    Designed for trash pumps & portable pump applications • Silicon Carbide vs Silicon Carbide faces for abrasion resistance • Buna (Nitrile) elastomers for reliable sealing • 304 Stainless Steel metal parts • Direct replacement for many OEM configurations • Built for dirty water and light solids handling

    Applications

    Trash pumps (dirty water / solids handling) • Construction site dewatering • Agricultural irrigation pumps • Rental pump fleets • Portable gasoline/diesel pumps

    Important Installation & Design Note (READ BEFORE INSTALLING)

    Unlike standard mechanical seals, the Type 78 operates in a reversed configuration:

    The rotating face is installed in a sleeve (impeller side)
    The spring portion is stationary in the housing

    Because of this, the terminology is different from standard seals:

    What is normally called the seat = spring portion (stationary)
    What is normally called the rotary = rubber cup + face assembly

    Dimensional Reference Guide

    For this seal type, dimensions are defined as follows:

    D2 = Rotary face OD (rubber cup fit size)
    L2 = Thickness of rotary ring + rubber cup
    D1 = Stationary (spring portion) rubber cup OD fit size
    L1 = Height of rubber cup on stationary portion
    L = Overall working length when installed

    Always verify dimensions against your pump, as installation differs from standard mechanical seals.

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Gaskets

    Have questions? Call us anytime- we’re here to help

    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
  • PS-4490 PS-3804 mechanical seal replacement, buy now

    Taco GT350 Mechanical Seal (80mm Shaft) — Split-Case Pump Replacement

    Taco GT350 Mechanical Seal (80mm Shaft) — Split-Case Pump Replacement

    Taco GT350 Mechanical Seal (80mm Shaft) — Split-Case Pump Replacement

    Direct-fit aftermarket replacement mechanical seal designed for Taco GT350 split-case pumps. This seal is used to provide reliable shaft sealing and help prevent leaks during normal pump operation in hydronic heating/cooling, hot water, and chilled water circulation applications.

    Key specifications

    • Pump type: Taco GT350 split-case pump configuration

    • Shaft size: 80mm

    • Quantity required: Two (2) mechanical seals per pump

    Common applications

    • Hydronic heating and cooling systems

    • Chilled water and hot water circulation

    • Commercial HVAC pump maintenance and repair

    Fitment note: Match by pump model (GT350) and shaft size (80mm). If your pump’s nameplate lists a longer model (example: GT35024) or you have an OEM kit/part number from a manual or invoice, use the specification section below to confirm compatibility. Call or text us anytime to confirm right part.

    Explore full line-up of OEM seals 

    Have questions? Call us anytime-we’re here to help 

    Weight 2 lbs
    Dimensions 10 × 8 × 4 in
  • Placeholder

    Tsurumi 14MM Double Mechanical Seal

    Tsurumi 14MM Double Mechanical Seal

    Tsurumi 14 mm Double Mechanical Seal

    Direct-fit double mechanical seal replacement for small Tsurumi / Ebara / Aquascape submersible pumps using a 14 mm shaft and 30 mm seat. This is a double seal set (upper + lower) built with Silicon Carbide faces (SiC/SiC) and Viton (FKM) elastomers for long service life in  tough pump environments. Equivalent to VGM-2971 and cross-referenced as W-14HL / 025-290-19 (also commonly referenced as U.S. Seal VGMW-14HL).

    At a glance:

    • Shaft size: 14 mm

    • Seat size: 30 mm

    • Configuration: Double seal (upper + lower)

    • Faces: SiC/SiC (upper & lower)

    • Elastomers: Viton (FKM)

    • Form: Seal assembly only (O-rings/gaskets sold separately)

    Compatibility / Cross-reference:

    • Ebara: 260A

    • Tsurumi: 025-00005, 025-29110; model HS2.4S

    • Aquascape: applications using 14×30 double seals

    • Equivalent to: VGM-2971

    • Cross-ref: W-14HL / 025-290-19 (also commonly referenced as U.S. Seal VGMW-14HL)

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets

    Have questions? Call us anytime- we’re here to help 

    Weight 3 lbs
    Dimensions 10 × 8 × 4 in
  • Tsurumi 20mm double mechanical seal replacement Tsurumi 025-001-00 mechanical seal H-25T 25mm Ebara 260B 25mm mechanical seal

    Tsurumi 20MM Double Mechanical Seal

    Tsurumi 20MM Double Mechanical Seal

    Tsurumi 20mm Double Mechanical Seal (Upper + Lower)

    Direct-fit 20mm double mechanical seal replacement for Tsurumi submersible pumps that use a 20 mm shaft and a two-stage (upper + lower) seal set. This seal is built with hard silicon carbide faces on both stages (SiC/SiC – SiC/SiC) and Viton (FKM) elastomers for long service life, higher temperature capability, and strong chemical resistance in demanding pump environments. Cross-referenced to Tsurumi Mechanical Seal H-20T(E) and OEM 025-000-98 for matching manuals, invoices, and service parts lists.

    At a glance:

    • Shaft size: 20 mm

    • Configuration: Double seal (upper + lower)

    • Faces: SiC/SiC – SiC/SiC

    • Elastomers: Viton (FKM)

    • Form: Seal assembly only (O-rings/gaskets sold separately)

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets

    Have questions? Call us anytime- we’re here to help 

    Weight 3 lbs
    Dimensions 10 × 8 × 4 in