Garden Parts [Lifetime Warranty] GY21106 GY20156 Clutch Control Cable - Compatible with John Deere 42" Deck L100 L108 L110 L111 L118 LA105 LA110 LA115 LA125 LA135 X100 X120 X300 Series Riding Lawn Mower Tractor
GY21106 GY20156 clutch control cable with tension spring for John Deere riding lawn mower tractor decks.
GY21106 clutch control cable size diagram showing 76-inch total length and 58-inch conduit length.
Infographic showing construction details of GY21106 clutch control cable for John Deere riding lawn mowers.
GY21106 GY20156 clutch control cable for John Deere L100 and X300 series riding lawn mowers.
Compatibility chart for GY21106 clutch control cable for John Deere lawn mower tractors.
GY21106 GY20156 clutch control cable for John Deere riding lawn mowers with symptom fix infographic.
GY21106 GY20156 clutch control cable for John Deere riding lawn mowers with informational feature text overlay.
GY21106 clutch control cable installation guide with safety instructions for John Deere riding lawn mowers.
GY21106 clutch control cable for John Deere riding lawn mower tractors with spring and mounting hardware.
GY21106 GY20156 clutch control cable with tension spring for John Deere riding lawn mower tractor decks.
GY21106 clutch control cable size diagram showing 76-inch total length and 58-inch conduit length.
Infographic showing construction details of GY21106 clutch control cable for John Deere riding lawn mowers.
GY21106 GY20156 clutch control cable for John Deere L100 and X300 series riding lawn mowers.
Compatibility chart for GY21106 clutch control cable for John Deere lawn mower tractors.
GY21106 GY20156 clutch control cable for John Deere riding lawn mowers with symptom fix infographic.
GY21106 GY20156 clutch control cable for John Deere riding lawn mowers with informational feature text overlay.
GY21106 clutch control cable installation guide with safety instructions for John Deere riding lawn mowers.
GY21106 clutch control cable for John Deere riding lawn mower tractors with spring and mounting hardware.
Lifetime Warranty

[Lifetime Warranty] GY21106 GY20156 Clutch Control Cable - Compatible with John Deere 42" Deck L100 L108 L110 L111 L118 LA105 LA110 LA115 LA125 LA135 X100 X120 X300 Series Riding Lawn Mower Tractor

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GY21106 / GY20156 Clutch Control Cable

Key Features

  • Controls mower blade engagement (PTO)
  • Total Length: 76 inches
  • Conduit Length: 57-1/4 inches
  • Wire Travel: 17 inches
  • Includes Z-bends on both ends for direct connection

Replaces / Cross-Reference Part Numbers

  • GY20156
  • GX20078
  • GX23000
  • 290-600
  • 60-079

Compatibility & Fitment

  • Designed for John Deere riding mowers with 42-inch decks
  • Fits L Series: L100, L108, L110, L111, L118
  • Fits LA Series: LA100, LA105, LA110, LA115, LA120, LA125, LA135
  • Fits X Series: X110, X120, X300

When to Replace

  • Cable is frayed, kinked, or broken
  • Difficulty engaging or disengaging mower blades
  • PTO lever feels loose or has excessive play
  • Mower deck does not stay engaged during operation

Installation Tips

  • Disconnect the spark plug wire for safety before beginning work.
  • Note the routing path of the original cable before removal.
  • Ensure the new cable is routed away from hot surfaces and moving parts to prevent damage.
  • After installation, check for proper tension and full range of motion of the engagement lever.
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  • EXACT REPLACEMENT

    EXACT REPLACEMENT

    GY21106 GY20156 Deck Engagement Clutch Control Cable is compatible with L100 and X300 Series Lawn Mower Tractor
  • PREMIUM QUALITY

    PREMIUM QUALITY

    BlueStars's Lawn Mower Cable is constructed from top-grade materials, including durable metals and high-performance plastics
  • SAVING SOLUTION

    SAVING SOLUTION

    Enjoy the great feeling when your engine is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble
  • SIMPLE INSTALLATION

    SIMPLE INSTALLATION

    The installation of clutch cable just takes a few minutes and will save you at least a hundred bucks in labor
FRESH GARDEN, MEMORABLE MOMENTS!

FRESH GARDEN, MEMORABLE MOMENTS!

Brand Model Number
Replaces GY21106, GY20156, 290-600
John Deere L100, X300 Series Riding Lawn Mowers & Lawn Tractors, 102, 105, 115, 125, 135, L100, L105, L107, L108, L110, L111, L118, L1742, LA100, LA105, LA110, LA115, LA120, LA125, LA135, X110, X120
Sabre 14.542GS, 17.542HS

FAQ

This cable is designed for John Deere 42-inch deck riding mowers, including the 102, 105, 115, 125, 135, L100, L105, L107, L108, L110, L111, L118, LA100, LA105, LA110, LA115, LA120, LA125, LA135, X110, X120, and X300 series. It also fits Sabre models 14.542GS and 17.542HS, as well as Scotts models L1742 and L17.542.
This unit replaces John Deere OEM part numbers GY21106 and GY20156. It is also compatible with part numbers GX20078 and GX23000, and cross-references with Stens part number 290-600.
The cable has an overall length of approximately 77-3/4 inches, with a conduit length of 57-1/4 inches.
You likely need a replacement if your mower deck fails to engage when you pull the lever, if the cable feels excessively loose or 'mushy,' or if you notice visible fraying, kinking, or snapping of the inner wire. If the lever moves but the blades do not spin, the cable has likely stretched beyond the point of adjustment or snapped entirely.
Installation is generally straightforward and can be completed with basic hand tools. You will typically need a socket set and pliers to remove the old cable and secure the new one. Ensure the mower is turned off and the spark plug wire is disconnected before beginning. Once installed, you may need to perform a minor tension adjustment to ensure the deck engages and disengages properly.
The cable is subject to constant mechanical stress and vibration during operation. Over time, the inner steel wire can stretch, fray, or rust inside the conduit, leading to increased friction. Regular exposure to the elements and debris can also accelerate the wear of the inner liner, eventually causing the cable to seize or break.