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Replacement Arm/Height Adjustment Knob for Multiple Lumex Rollators (RJ4300-KNOB-2)

SKU: RJ4300-KNOB-2
Regular price $23.24
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Product Description

Replacement Arm/Height Adjustment Knob for the following Lumex rollator models:

  • Walkabout Lite Four-Wheel Rollator model numbers RJ4300AQ, RJ4300B, RJ4300CH, RJ4300G, RJ4300K, RJ4300L, RJ4300P, RJ4300R
  • Walkabout Four-Wheel Hemi Rollator RJ4302R, RJ4302B RJ4302K
  • Walkabout Four-Wheel Imperial (Bariatric) RJ4400K, RJ4400R
  • Walkabout Imperial Hemi Bariatric Four-Wheel Rollator RJ4402R
  • Walkabout Four-Wheel Imperial (Bariatric) RJ4405K, RJ4405B and RJ4405R
  • Walkabout Four-Wheel Contour Deluxe RJ4805B, RJ4805CH, RJ4805K, RJ4805L, RJ4805R and RJ4805P
  • Walkabout Basic Four-Wheel Rollator RJ4900R and RJ4900B
  • Set n Go Height Rollator model numbers RJ4700B, RJ4700R, RJ4700S, RJ4700P, RJ4718B, RJ4718R and RJ4718S


Orders are processed as soon as they are received and usually shipped same day if ordered by 12:00 pm (CST) and the item is in stock. Orders begin the fulfillment process immediately and cannot be canceled or changed by our customer care representatives or our warehouse as we strive to ship as fast as possible. Your credit card is charged at the time of the order.

We do not ship orders on Saturdays, Sundays or holidays. Orders placed on Saturdays, Sundays or holidays will ship on the next business day.


MedicalSuppliesFast.com strives to deliver orders as quickly as possible. Orders are processed immediately and we are unable to change or cancel an order once you checkout. Cancellation requests after an order is processed is subject to our return policy.


Economy (estimated 5-15 business days) - $6.99
Standard (estimated 2 to 7 business days) - $15.00

Expedited shipping is not available at this time


Shipping to P.O. Boxes, Alaska, Hawaii or a Freight Fowarder?

Please contact us prior to placing your order to see if we can accommodate your shipping needs.


Special order items also require additional shipping time as these items are usually not stocked at our warehouses and require approximately 15-30 business days (or more depending on the product) for items to be received at our warehouse before it ships out. SPECIAL ORDER ITEMS ARE NON-RETURNABLE.


Once your order has been shipped, you will receive an email with a tracking number. You can track your order using the tracking number on the carrier's website.

Click here for complete shipping policy


To be eligible for return, your item must be unused/unopened, contain all original parts and accessories, and in the original packaging material in which you received it.

Certain items are not eligible for return. The non-returnable items include:

  • Food and nutritional items
  • Bathroom safety equipment, i.e., toilet frames, toilet seats, shower chairs, transfer benches, rehab shower commodes
  • Mobility equipment and mobility equipment replacement parts, i.e. batteries, wheelchairs, wheelchair cushions, seats, rollators, walkers
  • Hygiene-related products, including but not limited to undergarments, stockings/hose, ostomy/urostomy products, hernia belts, impotence pumps and parts, pessaries, pads, hand sanitizers, wipes, toilet paper
  • RESPIRATORY PRODUCTS. Due to Covid-19, all respiratory products are non-returnable.
  • Products that are not in resalable condition
  • Final sale or clearance items / Special order items
  • Skin salves, ointments, creams, gels, lotions and wound care (bandages, dressings, etc)
  • All IV/Blood collection, needles and syringes, feeding tubes and accessories, etc.

Click here for complete return policy.

Walker Parts by Model for the RJ4300/RJ4301/RJ4302/RJ4318 Series

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