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  • Jacuzzi® Spa Diverter Cap T-Valve — Genuine Replacement Part Lost the grip on your spa jets? Restore full control of your hot tub with the genuine Jacuzzi® Spa Diverter Cap T-Valve. Built for J-300 and J-400 Series spas (2002 and newer), it's the reliable fix your jacuzzi has been waiting for. Shop and order at Western Tub and Pool [Call 1-855-248-0777] | [Email fixmytub@gmail.com] The right part for your Jacuzzi® spa Diverter caps take a beating. Constant twisting, sun exposure, and years of use can leave yours cracked, stiff, or stuck. This genuine replacement diverter cap T-valve brings smooth, precise water flow control back to your spa—so you can direct the pressure exactly where you want it. Genuine Jacuzzi® part: Designed specifically for J-300 and J-400 Series spas for a guaranteed fit. Easy replacement: A quick swap that restores full jet control without a costly service call. Durable construction: Built to stand up to heat, chemicals, and daily use. Trusted support: Not sure it's the right fit? Our team helps you match the exact part every time. Product specifications Detail Information Part name Jacuzzi® Spa Diverter Cap & T-Valve Part number 6540-729 Fits J-300 Series, J-400 Series Model year 2002 and newer Diameter 4 inches O.D. Hot tubs and models that use this part This diverter cap and T-valve is compatible with the following Jacuzzi® spa series: J-300 Series (2002 and newer) J-400 Series (2002 and newer) Cross-reference number: 6540-729 Not sure if your spa uses this part? Check the model and serial number on your hot tub, or reach out and we'll confirm the fit for you. Related Parts: Description Part # Item Link Frequently asked questions Will this diverter cap fit my hot tub? It's designed for Jacuzzi® J-300 and J-400 Series spas manufactured in 2002 or later. If you're unsure, send us your part number, or a photo along with your spa's make, model, and serial number, and we'll confirm the right fit. What size is the diverter cap? It measures 4 inches in outer diameter (O.D.). What's the part number? The part number is 6540-729. You can use this to cross-reference against your existing part. How do I order? Call us at 1-855-248-0777 or email fixmytub@gmail.com. You can also browse our full online catalogue for more spa parts. Can you help me find a hard-to-locate part? Absolutely. Finding the right spa part is what we do best. Send us an email at fixmytub@gmail.com and we'll track it down for you. A note on shipping and part origins Western Tub and Pool is an international e-retailer. Because warehouses in different regions may stock the same part, we've added suffixes to indicate a part's origin, which can affect shipping: U suffix — U.S.A. C suffix — Canada E suffix — Europe A suffix — Asia Some products may appear as duplicates from different regions. Please check your part number if known, or send us pictures along with the make, model, and serial number of your hot tub so we can get you the right part. Get your spa running like new Don't let a broken diverter cap keep you from enjoying your hot tub. Order your genuine Jacuzzi® replacement part today. Shop and order at Western Tub and Pool [Call 1-855-248-0777] | [Email fixmytub@gmail.com] Hard to find product part assistance — send us an email at fixmytub@gmail.com.
  • Jacuzzi® Spa Diverter Cap T-Valve — Genuine Replacement Part Lost the grip on your spa jets? Restore full control of your hot tub with the genuine Jacuzzi® Spa Diverter Cap T-Valve. Built for J-300 and J-400 Series spas (2002 and newer), it's the reliable fix your jacuzzi has been waiting for. Shop and order at Western Tub and Pool [Call 1-855-248-0777] | [Email fixmytub@gmail.com] The right part for your Jacuzzi® spa Diverter caps take a beating. Constant twisting, sun exposure, and years of use can leave yours cracked, stiff, or stuck. This genuine replacement diverter cap T-valve brings smooth, precise water flow control back to your spa—so you can direct the pressure exactly where you want it. Genuine Jacuzzi® part: Designed specifically for J-300 and J-400 Series spas for a guaranteed fit. Easy replacement: A quick swap that restores full jet control without a costly service call. Durable construction: Built to stand up to heat, chemicals, and daily use. Trusted support: Not sure it's the right fit? Our team helps you match the exact part every time. Product specifications Detail Information Part name Jacuzzi® Spa Diverter Cap & T-Valve Part number 6540-729 Fits J-300 Series, J-400 Series Model year 2002 and newer Diameter 4 inches O.D. Hot tubs and models that use this part This diverter cap and T-valve is compatible with the following Jacuzzi® spa series: J-300 Series (2002 and newer) J-400 Series (2002 and newer) Cross-reference number: 6540-729 Not sure if your spa uses this part? Check the model and serial number on your hot tub, or reach out and we'll confirm the fit for you. Related Parts: Description Part # Item Link Frequently asked questions Will this diverter cap fit my hot tub? It's designed for Jacuzzi® J-300 and J-400 Series spas manufactured in 2002 or later. If you're unsure, send us your part number, or a photo along with your spa's make, model, and serial number, and we'll confirm the right fit. What size is the diverter cap? It measures 4 inches in outer diameter (O.D.). What's the part number? The part number is 6540-729. You can use this to cross-reference against your existing part. How do I order? Call us at 1-855-248-0777 or email fixmytub@gmail.com. You can also browse our full online catalogue for more spa parts. Can you help me find a hard-to-locate part? Absolutely. Finding the right spa part is what we do best. Send us an email at fixmytub@gmail.com and we'll track it down for you. A note on shipping and part origins Western Tub and Pool is an international e-retailer. Because warehouses in different regions may stock the same part, we've added suffixes to indicate a part's origin, which can affect shipping: U suffix — U.S.A. C suffix — Canada E suffix — Europe A suffix — Asia Some products may appear as duplicates from different regions. Please check your part number if known, or send us pictures along with the make, model, and serial number of your hot tub so we can get you the right part. Get your spa running like new Don't let a broken diverter cap keep you from enjoying your hot tub. Order your genuine Jacuzzi® replacement part today. Shop and order at Western Tub and Pool [Call 1-855-248-0777] | [Email fixmytub@gmail.com] Hard to find product part assistance — send us an email at fixmytub@gmail.com.

    • Jacuzzi Spa Diverter Cap T-Valve

    Jaccuzzi

    $12.76
    (No reviews yet) Write a Review
    SKU:
    6540-729-U
    UPC:
    6540-729
    Availability:
    ships from U.S.A
    Width:
    6.00 (in)
    Height:
    4.00 (in)
    Depth:
    4.00 (in)
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    Product Description

    Jacuzzi® Spa Diverter Cap T-Valve — Genuine Replacement Part 

    Lost the grip on your spa jets? Restore full control of your hot tub with the genuine Jacuzzi® Spa Diverter Cap T-Valve. Built for J-300 and J-400 Series spas (2002 and newer), it's the reliable fix your jacuzzi has been waiting for.

    Jacuzzi® Spa Diverter Cap T-Valve — Genuine Replacement Part Lost the grip on your spa jets? Restore full control of your hot tub with the genuine Jacuzzi® Spa Diverter Cap T-Valve. Built for J-300 and J-400 Series spas (2002 and newer), it's the reliable fix your jacuzzi has been waiting for. Shop and order at Western Tub and Pool [Call 1-855-248-0777] | [Email fixmytub@gmail.com] The right part for your Jacuzzi® spa Diverter caps take a beating. Constant twisting, sun exposure, and years of use can leave yours cracked, stiff, or stuck. This genuine replacement diverter cap T-valve brings smooth, precise water flow control back to your spa—so you can direct the pressure exactly where you want it. Genuine Jacuzzi® part: Designed specifically for J-300 and J-400 Series spas for a guaranteed fit. Easy replacement: A quick swap that restores full jet control without a costly service call. Durable construction: Built to stand up to heat, chemicals, and daily use. Trusted support: Not sure it's the right fit? Our team helps you match the exact part every time. Product specifications Detail Information Part name Jacuzzi® Spa Diverter Cap & T-Valve Part number 6540-729 Fits J-300 Series, J-400 Series Model year 2002 and newer Diameter 4 inches O.D. Hot tubs and models that use this part This diverter cap and T-valve is compatible with the following Jacuzzi® spa series: J-300 Series (2002 and newer) J-400 Series (2002 and newer) Cross-reference number: 6540-729 Not sure if your spa uses this part? Check the model and serial number on your hot tub, or reach out and we'll confirm the fit for you. Related Parts: Description Part # Item Link Frequently asked questions Will this diverter cap fit my hot tub? It's designed for Jacuzzi® J-300 and J-400 Series spas manufactured in 2002 or later. If you're unsure, send us your part number, or a photo along with your spa's make, model, and serial number, and we'll confirm the right fit. What size is the diverter cap? It measures 4 inches in outer diameter (O.D.). What's the part number? The part number is 6540-729. You can use this to cross-reference against your existing part. How do I order? Call us at 1-855-248-0777 or email fixmytub@gmail.com. You can also browse our full online catalogue for more spa parts. Can you help me find a hard-to-locate part? Absolutely. Finding the right spa part is what we do best. Send us an email at fixmytub@gmail.com and we'll track it down for you. A note on shipping and part origins Western Tub and Pool is an international e-retailer. Because warehouses in different regions may stock the same part, we've added suffixes to indicate a part's origin, which can affect shipping: U suffix — U.S.A. C suffix — Canada E suffix — Europe A suffix — Asia Some products may appear as duplicates from different regions. Please check your part number if known, or send us pictures along with the make, model, and serial number of your hot tub so we can get you the right part. Get your spa running like new Don't let a broken diverter cap keep you from enjoying your hot tub. Order your genuine Jacuzzi® replacement part today. Shop and order at Western Tub and Pool [Call 1-855-248-0777] | [Email fixmytub@gmail.com] Hard to find product part assistance — send us an email at fixmytub@gmail.com.


    Shop and order at Western Tub and Pool
    [Call 1-855-248-0777] | [Email fixmytub@gmail.com]

     

    The right part for your Jacuzzi® spa

    Diverter caps take a beating. Constant twisting, sun exposure, and years of use can leave yours cracked, stiff, or stuck. This genuine replacement diverter cap T-valve brings smooth, precise water flow control back to your spa—so you can direct the pressure exactly where you want it.

    • Genuine Jacuzzi® part: Designed specifically for J-300 and J-400 Series spas for a guaranteed fit.
    • Easy replacement: A quick swap that restores full jet control without a costly service call.
    • Durable construction: Built to stand up to heat, chemicals, and daily use.
    • Trusted support: Not sure it's the right fit? Our team helps you match the exact part every time.

     

    Product specifications

    Detail

    Information

    Part name

    Jacuzzi® Spa Diverter Cap & T-Valve

    Part number

    6540-729

    Fits

    J-300 Series, J-400 Series

    Model year

    2002 and newer

    Diameter

    4 inches O.D.

     

    Hot tubs and models that use this part

    This diverter cap and T-valve is compatible with the following Jacuzzi® spa series:

    • J-300 Series (2002 and newer)
    • J-400 Series (2002 and newer)

    Cross-reference number: 6540-729

    Not sure if your spa uses this part? Check the model and serial number on your hot tub, or reach out and we'll confirm the fit for you.

    Related Parts:

    Description Part # Item Link
           

     

     

     

     

     

    Frequently asked questions

    Will this diverter cap fit my hot tub?

    It's designed for Jacuzzi® J-300 and J-400 Series spas manufactured in 2002 or later. If you're unsure, send us your part number, or a photo along with your spa's make, model, and serial number, and we'll confirm the right fit.

    What size is the diverter cap?

    It measures 4 inches in outer diameter (O.D.).

    What's the part number?

    The part number is 6540-729. You can use this to cross-reference against your existing part.

    How do I order?

    Call us at 1-855-248-0777 or email fixmytub@gmail.com. You can also browse our full online catalogue for more spa parts.

    Can you help me find a hard-to-locate part?

    Absolutely. Finding the right spa part is what we do best. Send us an email at fixmytub@gmail.com and we'll track it down for you.

     

    A note on shipping and part origins

    Western Tub and Pool is an international e-retailer. Because warehouses in different regions may stock the same part, we've added suffixes to indicate a part's origin, which can affect shipping:

    • U suffix — U.S.A.
    • C suffix — Canada
    • E suffix — Europe
    • A suffix — Asia

    Some products may appear as duplicates from different regions. Please check your part number if known, or send us pictures along with the make, model, and serial number of your hot tub so we can get you the right part.

    Get your spa running like new

    Don't let a broken diverter cap keep you from enjoying your hot tub. Order your genuine Jacuzzi® replacement part today.
    Shop and order at Western Tub and Pool
    [Call 1-855-248-0777] | [Email fixmytub@gmail.com]

    Hard to find product part assistance — send us an email at fixmytub@gmail.com.

    Other Details

    Shipping , Returns & Exchanges We offer 30-day exchanges or store credit on eligible items. Please note that we do not provide refunds. Return Process: Customers are responsible for return shipping costs Items must be returned within 30 days of purchase Important Notes: All recycled items are final sale and cannot be returned or exchanged Items must be in original condition to qualify for exchange or store credit Electronic and electrical items should be installed by competent personnel . Warranty on these products when offered are scrutinized by the manufacturer and only approved by the manufacturer and deemed not to have been installed . As an international e-retailer and distributor, we work with manufacturers around the world. Please note that cross-border shipments may incur additional fees and tariffs imposed by your local government, which will be the responsibility of the package recipient .warehouses shipping from U.S.A have U suffix on them . Canada have a C suffix . Europe Have an E Suffix . Asia have an A Suffix.

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