GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
 GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
Summer Sale

GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack

Replaces OEM Part Numbers:
GY20852, GX21785, GX21784, GX21786, AM137757, AM141035
SKU: AM137757
Summer Sale
Regular price $38.89
Regular price $49.89 Sale price $38.89
Sale Out of stock
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Shipping:
Free shipping on orders over $69
Returns:
Free 30-day returns
Delivery:
3–4 business days
Center Hole:
7 Point Star
Length:
17"
Width:
2-3/4"
Compatible Deck Size:
48"
Blade Type:
High Lift Mulching
Package Quantity:
3 Blades
Compatible with
D155, D160, D150, D140, Z355E, LA140, LA130, 145, 100 Series S170, Z255, LA165, 155C, 100 Series S140, E140, LA145, X166, X165, X140, Z245, 100 Series S160, E150, X105, X167, E170, E160, LA155
Customer reviews

Description

Engineered for compatible John Deere 48-inch mower decks, GY20852 High Lift Mulching blades combine dependable cutting performance with effective grass handling. This 3-blade set replaces OEM part number GY20852 and is intended for routine mowing on select John Deere riding mowers.

The high-strength steel blades are built for durability, stability and long-lasting cutting performance through tough conditions. Each blade is pre-sharpened, marked with safety paint which wears off in first use, and its edge can be safely sharpened again when it gets dull. All compatible lawn mower models are listed below.

For routine replacement, this set helps restore reliable cutting when existing blades are worn or dull. The High Lift Mulching design is intended for compatible 48-inch mower decks. Before ordering, verify your mower's complete model number, deck size, and original OEM blade number.

Not sure if it will fit? Compare your original blade number or mower model before ordering.

Key Features

  • High Lift Mulching design for compatible 48-inch mower decks
  • 3-blade replacement set for select John Deere riding mowers
  • Replaces OEM blade GY20852
  • Made from high-strength steel for durable performance
  • Pre-sharpened for convenient initial use
  • Cutting edge can be safely resharpened when needed

FAQ

Are there several OEM part numbers that this set of mower blades can replace?

Yes. This set replaces OEM part numbers GY20852, GX21785, GX21784, GX21786, AM137757, and AM141035. Please make sure to check your original OEM blade number before ordering.

Is GX21785 covered by this replacement blade set?

Yes. GX21785 is listed among the OEM part numbers replaced by this 3-blade High Lift Mulching set.

Will these mower blades replace OEM GX21784?

Yes. GX21784 appears in the Replaces OEM Part Numbers list for this product. Be sure to check your mower model and deck specifications before ordering.

How often do I need to sharpen these mower blades?

The cutting edge can be safely resharpened whenever it becomes dull. Keeping the blades sharp is important for making sure they keep cutting well.

What type of mower blades are included in this set?

This product includes three High Lift Mulching blades designed for compatible 48-inch mower decks.

Why does my mower seem to cut worse than it used to?

A dull cutting edge can reduce cutting performance over time. These blades can be safely resharpened when the edge becomes dull.

Should new mower blades be sharpened before installation?

No. The blades come pre-sharpened, with a safety coating of paint that wears off in the first use.

Are these blades compatible with John Deere lawn mowers?

Yes. These blades fit select John Deere models, including D140, E160, E140, S160, and Z255, with compatible 48-inch mower decks. Always verify the complete mower model and original OEM blade number before ordering.