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OEM Seals by Brand

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    Speck Mechanical Seal

    Speck Mechanical Seal

    Item #N/A

    Speck Mechanical Seal | OEM Replacement

    Direct-fit mechanical seals for Speck pump models, engineered for durability and compatibility with OEM performance. Each seal is precision-built using high-quality materials for optimal sealing and reliability in demanding applications.

    Variations: (choose from dropdown menu above)

    • 20mm
    – Equivalent to VGM-2920
    – OEM Reference: Speck #2920343310
    – Common use: General-purpose 20mm Speck pump applications

    • 70mm
    – Fits Speck ATB pump
    – Frame: WP-DA160LU4-H
    – Rating: 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 

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    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

    Aftermarket replacement mechanical shaft seals for popular Stokes rotary piston / vacuum pump models. Each seal is engineered to match the critical dimensions of the original Stokes assembly for reliable sealing performance in demanding vacuum service.

    Key specs by model (choose from dropdown menu above)

    Stokes Model 148 

    • 33.3 mm shaft size

    • 57 mm 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, similar to the OEM style

    • Aftermarket construction with slightly different build than the original Stokes seal

    • Installation note: We recommend installing a flat washer (up to 1/8″ thick) behind the rotary to optimize working length and compression.

    Stokes Model 212J 

    • 46 mm shaft size “special” variant

    • Carbon face/stainless

    • Viton (FKM) elastomers for higher-temperature and chemical-resistant service

    • Aftermarket design supplied with dual wave-type springs

    • Installation note: For a softer compression and set length closer to the OEM seal, either remove one spring or stack both wave springs together for softer compression set length more similar to OEM seal 

    Explore our full line up of OEM seals 

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

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  • PS-4490 PS-3804 mechanical seal replacement, buy now

    Taco GT350 Mechanical Seal

    Taco GT350 Mechanical Seal

    Taco GT350 Mechanical Seal

    Mechanical seal designed for Taco GT350 split-case pumps. This seal is used to provide shaft sealing and prevent fluid leakage during normal pump operation. This mechanical seal is a direct replacement for the Taco GT350 split-case pump configuration and is sized for an 80 mm shaft. Two (2) mechanical seals are required per pump. The seal is intended for routine maintenance or repair of hydronic circulation systems.

    Applications

    • Taco GT350 split-case pumps

    • Hydronic heating and cooling systems

    • Chilled and hot water circulation

    • Commercial pump service

    Key Features

    • Mechanical seal for Taco GT350 split-case pumps

    • 80 mm shaft size

    • Two seals required per pump

    Explore full line-up of OEM seals 

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

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    TSURUMI 14MM

    TSURUMI 14MM

    Tsurumi 14 mm Double Mechanical Seal

    OEM-style double mechanical seal for small Tsurumi/Ebara/Aquascape submersible pumps using a 14 mm shaft and 30 mm seat. Built for long service with silicon carbide faces and Viton elastomers.

    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

    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 

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    TSURUMI 20MM

    TSURUMI 20MM

    Tsurumi 20 mm Double Mechanical Seal

    OEM-style double mechanical seal for Tsurumi submersible pumps with a 20 mm shaft. Built for long service life with hard silicon-carbide faces on both stages and Viton elastomers for higher temperature and chemical resistance.

    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 

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    TSURUMI 30MM

    TSURUMI 30MM

    Tsurumi 30 mm Double Mechanical Seal

    OEM-style double mechanical seal for Tsurumi pumps with a 30 mm shaft. Supplied with 44 × 57 stationary seats for the correct housing fit on listed models. Ideal for submersible duty where reliable sealing and long service life are required.

    At a glance:

    • Shaft size: 30 mm

    • Configuration: Double seal (upper + lower)

    • Seat size: 44 × 57 (verify against your housing bore)

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

    Compatibility:

    • Tsurumi 100C43.7-CR63

    Cross-reference: H-30 / 025-194-12

    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 

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    Tsurumi 35mm

    Tsurumi 35mm

    Tsurumi 35mm Double Mechanical Seal

    Direct-fit double mechanical seal for Tsurumi pumps with a 35 mm shaft. Supplied with two stationary seats to match your housing: 54 mm OD and 57 mm OD.

    At a glance:

    • Shaft size: 35 mm

    • Configuration: Double seal (upper + lower)

    • Seats included: 54 mm OD and 57 mm OD stationary seats

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

    Compatibility:

    • Tsurumi 100C47.5-CR63

    • Tsurumi 100C43.7

    Cross-reference: H-35 / 025-195-13.

    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 

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    Tsurumi 45/50mm

    Tsurumi 45/50mm

    Tsurumi 45/50mm Double Mechanical Seal —Step Shaft

    OEM-style double mechanical seal for Tsurumi LH430W-61 pumps with a step shaft (45/50 mm). Designed for heavy-duty submersible service, providing reliable sealing performance and long run time.

    At a glance:

    • Application: Tsurumi LH430W-61, step-shaft 45/50 mm

    • Configuration: Double mechanical seal (upper + lower)

    • Form: OEM replacement (seal assembly)

    Cross-reference: HT-4550N / 025-001-24 / 025-000-04 / 025-305-18.

    *For full rebuilt we recommend- Tsurumi LH430W-61 Seal Kit– which includes seals + O-ring kit 

    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 

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    TSURUMI 50MM

    TSURUMI 50MM

    Tsurumi 50mm Double Mechanical Seal

    Direct-fit double mechanical seal for Tsurumi pumps with a 50 mm shaft. Built for dependable service with a hard-face lower stage.

    At a glance:

    • Configuration: Double seal (upper + lower)

    • Shaft size: 50 mm

    • Face sets: Upper: CAR/SIC · Lower: SIC/SIC

    • Cross-reference: H-50T / 025-268-18

    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 

    View Product

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