RY40021 Ryobi Trimmer - Overview

Diagrams for RY40021

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Cap – Part Number: 522994001
$5.95
In Stock
Cap
Part #522994001
This spool cap is for line trimmers. Spool cap covers the bottom of the line spool and prevents the spool from falling out of the spool housing.
ROTATE LABEL – Part Number: 941766002
$5.95
Special Order
ROTATE LABEL
Part #941766002
LITHIUM 40V MOTOR HOUSING LABE – Part Number: 941772001
$5.95
Special Order
EDGING LABEL – Part Number: 941773001
$5.95
Special Order
EDGING LABEL
Part #941773001
ADJUSTABLE CUTTING WIDTH LABEL – Part Number: 941774001
$5.95
Special Order
ADJUSTABLE CUTTING WIDTH LABEL
Part #941774001
This is an original replacement part sourced directly from the manufacturer. The adjustable cutting width label is found on Ryobi trimmer/edgers. This part is made of paper with an adhesive backing, and is placed on the grass deflector assembly. No tools are required when replacing this item. Simply remove the old part, peel off the protective backing, and carefully stick the new label into place. This item is sold as an individual replacement part.
St screw , steel m4 l= 14mm bl – Part Number: 661817001
$5.95
Special Order
St screw , steel m4 l= 14mm bl
Part #661817001
This part is an OEM from Ryobi. The screw (m4 x 14mm bl) is compatible with a variety of lawn and garden tools. The metal screw is often used to help secure the housing assembly. This item is sold individually, and a hex key is required for the installation. It is encouraged to purchase spares, as they can wear over time and regular use.
LOWER HOUSING ASSEMBLY – Part Number: 129309001
$6.95
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LOWER HOUSING ASSEMBLY
Part #129309001
GRASS DEFLECTOR ASSEMBLY – Part Number: 310904001
$16.95
Special Order
GRASS DEFLECTOR ASSEMBLY
Part #310904001
Having issues with your outdoor maintenance tasks? The Ryobi Grass Deflector Assembly is here to simplify your lawn care chores. This crucial part is responsible for steering grass clippings away from you which both boosts safety and ensures a neat clean finish. Its hard-wearing construction means it's built to last even under tough conditions giving you peace of mind and reliability. Designed specifically for Ryobi brand products it offers a seamless fit letting your lawnmower function like new again. By choosing the Ryobi Grass Deflector Assembly you're not only choosing safety but efficiency and longevity as well. This component offers crucial assistance in your lawn duties letting you save you time and effort. With its standout quality it's not just a replacement part ? it's an upgrade for your appliance. Easy to install and built to perform the Ryobi Grass Deflector Assembly is an essential part of your lawn care routine. So worry no more - bring your lawnmower back to its best with this dependable component.
MOTOR MOUNTING PLATE – Part Number: 522926001
$5.95
Special Order
MOTOR MOUNTING PLATE
Part #522926001
This is a genuine OEM sourced part which is specially designed for Ryobi string trimmers and edgers. The plate is utilized to secure the motor It is an identical replacement for a missing or a damaged part that was installed on a new unit. This high-quality motor mounting plate is made of durable plastic and is sold as an individual item. Refer to the appropriate diagrams for your model to ensure the proper repair procedure. Note, the hardware to secure it is sold separately.
SCREW – Part Number: 660208055
$5.95
Special Order
SCREW
Part #660208055
This special screw is a genuine Ryobi replacement part, not an aftermarket alternative. It is supplied directly from original equipment manufacturer for use with string trimmers and edgers. This screw is generally used to secure the grass deflector assembly. Please note, this pan head screw is sold individually. You will need a screwdriver to install or remove it.
SCREW W/LOCK WASHER – Part Number: 660502002
$5.95
Special Order
SCREW W/LOCK WASHER
Part #660502002
This is a genuine Ryobi replacement part that has been sourced from the original manufacturer to be used with trimmers, blowers, and edgers. The screw is used with different types of equipment and the application of the screw can vary based on the model of the equipment. This item is sold as a single part.
RYOBI CONNEXION LABEL – Part Number: 941616003
$5.95
Special Order
RYOBI CONNEXION LABEL
Part #941616003
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Cutter for feeder broke off and required replacement of new deflector assembly
5 of 5 people found this instruction helpful.
  • Charles T from WALDORF, MD
  • Very Easy
  • Less than 15 mins
  • Screw drivers
Repair was quick, simple and easy. Only tool needed was a phillips head screwdriver. Removal of three screws, remove old deflector, attach/align new deflector, insert screws and tighten. That's all to it. less than 2 minutes.
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Cover broke
4 of 4 people found this instruction helpful.
  • Dennis from ARVADA, CO
  • Really Easy
  • Less than 15 mins
  • Screw drivers
Removed three screws/cover replaced cover and screws
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motor burned out
1 person found this instruction helpful.
  • Nick from BOCA RATON, FL
  • Easy
  • 30 - 60 mins
  • Pliers
New motor was pretty much plug and play. Grass trimmer has about a dozen 2,5mm hex screws that hold the halves of the head together. Once unscrewed, there are two stickers that need to be peeled off with a blade (I used contact adhesive to reseat them after) and then everything comes apart. The motor has spade connectors but my origina l motor had pigtails so I chopped them off and crimped on some female connectors. Everything works like new!
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