BDELI PTO Clutch Replacement New for John Deere 145 155 190 D140 D150 D155 D160 D170 E140-E170 G110 LA130 LA140 LA165 LA175 X135-X166 Scotts L2048 L2548 5219-20 5219-73 GY20108 GY20652 GY20878 GY21340

What It Is

This is an aftermarket electric PTO (power take-off) clutch that engages and disengages your mower blades. Designed to replace the OEM clutch on a wide range of John Deere and Scotts lawn tractors with 42-inch to 54-inch decks.

Fitment & Compatibility

Before buying, confirm your machine’s model number exactly—this clutch fits John Deere 100-series (D140–D170), 300-series (LA130–LA175), X135–X166, and older 145/155/190 models, plus Scotts L2048 and L2548. It replaces OEM part numbers 5219-20, 5219-73, GY20108, GY20652, GY20878, and GY21340. Measure the existing clutch’s shaft diameter (1-inch or 1-1/8-inch) and bolt pattern (three or four holes). This unit uses a standard 1-inch shaft with a three-bolt pattern—double-check your deck’s mounting bracket and electrical connector (two-wire flat plug). Not compatible with zero-turn mowers or older Deere models with a manual PTO.

Key Things to Know

• Build quality: All-metal housing and sealed bearing; holds up well for the price, but some users report the engagement coil can fail sooner than OEM (2–3 seasons vs. 4–5).
• Installation: Moderate difficulty—requires removing the deck or mower belt, disconnecting the wiring harness, and unbolting the old clutch. A puller tool is often needed to separate the clutch from the crankshaft.
• Common gotchas: The wiring harness may be slightly short on some models—plan for a connector extension if needed. Also, the clutch gap (air gap between rotor and armature) must be set to 0.010–0.015 inches after install; skip this and it’ll slip or wear fast.
• Noise: Some buyers note a slight whine during engagement; normal for aftermarket units, but louder than OEM.

Should You Buy It

If you need a budget-friendly replacement for a worn OEM PTO clutch on a common John Deere or Scotts lawn tractor, this is a solid pick. It’s not as durable as the factory part, but at roughly half the price, it’s a good stopgap for older machines or light-to-medium use. Avoid it if you mow commercially or want the longest possible lifespan—stick with an OEM clutch instead.