RY4CSS (090432035) Ryobi Trimmer - Overview

Sections of the RY4CSS

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TRIMMER HEAD ASSEMBLY (.095) – Part Number: 311759014
TRIMMER HEAD ASSEMBLY (.095)
PartSelect #: PS18784363
Manufacturer #: 311759014
$21.95
  In Stock
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STRING GUIDE – Part Number: 529803001
STRING GUIDE
PartSelect #: PS18785849
Manufacturer #: 529803001
$5.95
  Special Order
UPPER HOUSING – Part Number: 530001004
UPPER HOUSING
PartSelect #: PS18785854
Manufacturer #: 530001004
$5.95
  Special Order
SPOOL – Part Number: 530670001
SPOOL
PartSelect #: PS18785857
Manufacturer #: 530670001
$5.95
  Special Order
Flanged Washer – Part Number: 099078001005
Flanged Washer
PartSelect #: PS12598977
Manufacturer #: 099078001005
This manufacturer-sourced replacement part is specially designed for use with Homelite and Ryobi handheld trimmers. It is the backing flanged washer that helps to secure the blade. If the component is...
$8.95
  Special Order
Screw (10-24 X 5/8 In) – Part Number: 660641001
Screw (10-24 X 5/8 In)
PartSelect #: PS9989465
Manufacturer #: 660641001
This item is available as an individual replacement part. The metal screw attaches to the gear case. A wrench will be required during the replacement of this part. It may become stripped or broken and...
$5.95
  Special Order
Gear Head – Part Number: 308210009
Gear Head
PartSelect #: PS12643974
Manufacturer #: 308210009
This Gear gear head assembly is designed to transfer power from the drive shaft to the cutting head, allowing the string trimmer or brush cutter to operate smoothly and efficiently. Housed in a durabl...
$36.95
  Special Order
EXPAND-IT LABEL – Part Number: 940726013
EXPAND-IT LABEL
PartSelect #: PS18790127
Manufacturer #: 940726013
$5.95
  Special Order
Screw (1/4-20 X 1-1/4 In.) – Part Number: 983381007
Screw (1/4-20 X 1-1/4 In.)
PartSelect #: PS16474361
Manufacturer #: 983381007
It is a genuine item that is supplied directly from the original equipment manufacturer for use with Homelite and Ryobi handheld lawn and garden equipment. This is the special screw which is utilized ...
$5.95
  Special Order
Spring – Part Number: 678749001
Spring
PartSelect #: PS16393964
Manufacturer #: 678749001
This is an authentic replacement part manufactured for use with trimmers. The special spring is used to provide compression for the spool to recede into the housing when bumping more string out of the...
$5.95
  Special Order
STRAIGHT SHAFT ASSEMBLY – Part Number: 308035047
STRAIGHT SHAFT ASSEMBLY
PartSelect #: PS18783685
Manufacturer #: 308035047
Discover the unrivaled functionality of Ryobi's Straight Shaft Assembly. Designed with precision and superior engineering, this Straight Shaft Assembly is a valuable addition to your toolbox, promisin...
$28.95
  Special Order
GRASS DEFLECTOR ASSEMBLY (INC. – Part Number: 308473005
GRASS DEFLECTOR ASSEMBLY (INC.
PartSelect #: PS18783785
Manufacturer #: 308473005
$12.95
  Special Order
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Questions And Answers for RY4CSS

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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Replaced straight shaft, and the gear head.
Removed the 2 bolts holding the gear head to shaft. On my model I had to remove the complete trimmer head, then using 2 wrench take the trimmer head adapter off the gear heD. One video showed simply putting a screwdriver in the notch behind trimmer head and unscrewing complete head. Mine of course was slightly more involved but still quite easy once I saw what needed to be done.
Parts Used:
STRAIGHT SHAFT ASSEMBLY
  • Tim from HOLLISTER, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Socket set
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