Hinges Lid and Flap Stays AVENTOS HL Lift Up System & SERVO-DRIVE by Blum
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Aventos HL Arm Assembly for Cabinet Height 17-11/16 inch to 22-13/16 Inch, Minimum Opening Height 16-1/4 Inch, Recommended for Appliance Garages

Product Discontinuation AlertThis item has left our catalog. It's either upgraded to a newer model, didn't meet our high customer satisfaction standards, or the manufacturer said goodbye. But don't worry, CabinetParts is always here with top-notch alternatives.


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All the product info you could ask for...

  • Size Info

  • Notes : For Cabinet Heights 17-11/16"-22-13/16" AND appliance garage applications

  • Manufacturer Info

  • Manufacturer : Blum
  • Manufacturer Part # : 20L3900

  • Other Important Info

  • Product Type : HL Arm Assembly Set
  • Sold : Set Includes:
    2 Arm Assemblies (Left & Right)

  • Manufacturer Resources

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Our customers say Blum products...

  4.5 out of 5
based on 200 ratings

"These reviews are from our customers who have purchased Blum products."
  • 3 of 5 No screws included July 17th, 2026
    by Mindy from Warm Springs, VA

    I purchased the TIP ON adapter to accompany the Blum tip ons. To my surprise, these ship without screws! Was it an oversight or did someone think screws should be an add on to the order?

    This review is about similar Blum Hinges. (BA956A1201)

    Was this review helpful? yes no

  • 1 of 5 Not Good June 24th, 2026
    by madewell from Hudson, FL

    when I placed the order on June 2nd I paid extra for 3 day delivery. I did not receive my order June 16th not really 3 days it was 2 weeks. I would like a refund on the shipping and I will be returning everything to. It did not arrive in time and it was very important like I explained to the customer service people

    This review is about similar Blum Hinges. (BA22.8000SW)

    Was this review helpful? yes no

  • 1 of 5 shipping June 23rd, 2026
    by John from Sioux Falls, SD

    (no comment given)

    This review is about similar Blum Hinges. (BAPOZIBIT-2)

    Was this review helpful? yes no

  • 1 of 5 Not the correct part April 21st, 2026
    by Tom from Kenmore, WA

    I am having a difficult time finding the correct part.

    This review is about similar Blum Hinges. (BA20S4200)

    Was this review helpful? yes no

  • 4 of 5 Easy Install and Adjust March 18th, 2026
    by Brian from Crested Butte, CO

    Way easier to install and adjust than a horizontal hinge. Probably a wash on price.

    This review is about similar Blum Hinges. (BA22K2300T)

    Was this review helpful? yes no

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Reviews about us...

  • 5 of 5 | July 13th, 2026

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  • 5 of 5 | July 13th, 2026

    Replaced an old Glass hinge and attachment. Cabinet Parts was able to help me find exact repalcement.

  • 5 of 5 | July 13th, 2026

    After we placed an accidental online order, cabinetparts.com immediately offered us a return or exchange solution at no cost. A correct part version arrived very quickly. Overall experience very satisfying and a happy customer.We will recommend them and o

  • 5 of 5 | July 12th, 2026

    Had to find hinges for lazy Susan cabinet & they knew exactly what I needed. Great customer service & friendly & professional staff

  • 5 of 5 | July 12th, 2026

    I got exactly what I ordered. No mistakes. Timely shipping. Fit perfectly.

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