Xtreme PTO Clutch X0424 Replacement for John Deere L120 L130 S140 S170 6.312" Pulley, Sealed Wiring

The Xtreme X0424 PTO clutch is a direct-fit aftermarket replacement for specific John Deere and Scotts lawn tractors, engineered to restore deck engagement with a counter-clockwise 6 5/16" pulley and integrated wiring harness.

This heavy-duty PTO clutch is built to OEM-equivalent dimensions and includes a sealed, impact-resistant wiring harness so you can swap units without rewiring. Designed for belt widths of 1/2" or 5/8" and a 1" hub ID, the X0424 combines upgraded bearings, corrosion-resistant rivets, and a precision-machined pulley to deliver smooth engagement and longer wear life when installed and maintained according to the included instructions.

Which tractors and part numbers does this clutch replace?

The X0424 is made to replace several OEM part numbers and fit a specific list of John Deere and Scotts models. Confirm compatibility by comparing part numbers and your tractor's model designation before ordering.

• Replaces John Deere GY20108, GY20652, GY20878, GY21339, GY21340
• Replaces Scotts GY20108, GY20652, GY20878, GY21340
• Interchanges with Warner numbers 5219-113, 5219-114, 5219-20, 5219-72, 5219-73
• Fits John Deere models: 145, 155C, 190C, L120, L130, LA130, LA140, S140, S160, S170, S180; also Scotts L2048 and L2548

How is this clutch built differently from a stock unit?

Xtreme engineered the X0424 with upgraded internal components aimed at durability and consistent performance. The assembly uses high-temperature-bearing grease, replaceable pulley bearing design, and stainless steel fasteners to resist corrosion and reduce premature failure when handled and installed properly.

• Cool Coil technology helps control engagement heat
• High-performance bearings pre-greased for high temperatures
• Replaceable pulley bearing simplifies future service
• Stainless rivets and bands resist rusting

What are the key dimensions and electrical features I should check?

Before purchase, verify the pulley diameter, hub size, belt width, and rotation direction match your mower deck. The X0424 arrives with a clutch-side integrated wiring harness that is water-tight and impact resistant for easier installation.

• Pulley diameter: 6 5/16" (160.3 mm)
• Hub ID: 1" (25.4 mm)
• Accepts 1/2" or 5/8" belts
• Rotation: Counter-clockwise; includes sealed harness

What installation and maintenance tips prevent premature failure?

Follow the printed instruction sheet included with the clutch to ensure correct mounting, belt alignment, and electrical connection. Proper tension, clean mounting surfaces, and periodic inspection of the replaceable bearing will extend service life.

• Match belt width and pulley alignment before tightening
• Use the provided harness or model-specific harness XMC1001 if needed
• Inspect belts, pulleys, and bearing during seasonal maintenance
• Do not operate with damaged wiring or misaligned pulleys

Who is this for: The Xtreme X0424 PTO clutch is aimed at homeowners and small property managers who need a cost-effective replacement for worn or failed PTO clutches on compatible John Deere and Scotts lawn tractors. It’s also suitable for DIY mechanics and service shops that prefer a robust aftermarket option with replaceable bearing architecture and a waterproof wiring harness for quicker turnarounds.