GY20652 PTO Blade Clutch GY20108 Fits for John Deere D140 D150 D155 D160 D170 E140 E150 E160 E170 E180 L120, GY20878, GY21340, Warner 5219-20, 5219-73, Xtreme X0424
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🛒 See Price on AmazonWhat It Is
The GY20652 is an electric PTO (power take-off) blade clutch that engages and disengages the mower blades on select John Deere lawn tractors. It’s a direct replacement for OEM part GY20108 and fits models like the D140, D150, D155, D160, D170, E140, E150, E160, E170, E180, and L120.
Fitment & Compatibility
Before buying, confirm your tractor’s deck size (42”, 48”, or 54”) and model year—this clutch fits most 2009–2015 units with a 1” shaft diameter and 3-bolt pattern. Check your existing clutch’s part number (GY20108, GY20878, or GY21340) or cross-reference with Warner 5219-20, 5219-73, or Xtreme X0424. Measure the center-to-center bolt hole spacing (typically 3.25”) and the shaft keyway size (standard 1/4”). This is an aftermarket replacement, not OEM, so verify the electrical connector matches your harness (usually a 2-pin flat).
Key Things to Know
- Quality variance: Some users report shorter lifespan than OEM (2–3 seasons vs. 5+), especially under heavy use or wet grass.
- Installation difficulty: Moderate—requires removing the mower deck, disconnecting the wiring harness, and using a puller to remove the old clutch. Torque the center bolt to 35–45 ft-lbs. A bench grinder may be needed to clean the shaft.
- Common gotcha: The clutch may need a 0.010”–0.020” air gap adjustment after install; use a feeler gauge. Also, check the pulley bearing for smooth spin before mounting.
- Noise: A slight whine during engagement is normal for aftermarket units—if it’s loud or grinding, the gap or alignment is off.
Should You Buy It
If you’re on a tight budget and need a quick fix for a mid-size John Deere lawn tractor, this clutch will work—but expect it to wear faster than OEM. Best for light-to-moderate residential mowing on flat terrain. For heavy commercial use or if you want maximum reliability, spend more on a genuine John Deere or Warner unit.
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