UDC Parts M170642 blade front view showing precise fit and mulching potential
UDC Parts M170642 blade side view demonstrates durable steel construction
UDC Parts M170642 blade top-down angle highlights cutting edge geometry
UDC Parts M170642 blade cutting edge close-up reveals sharpness
UDC Parts M170642 blade two-pack packaging and contents
UDC Parts M170642 blade compatibility chart shows model range
UDC Parts M170642 blade installation guide illustration
UDC Parts M170642 blade durable steel construction for long life
UDC Parts M170642 blade maintenance ready for re-sharpening

UDC Parts

UDC Parts M170642 42-Inch Mower Blades — John Deere UC22008/S220 Compatible (2 Pack Mulching)

High-performance patio lawn and garden made for confident daily results

$50.80

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Why customers choose Cera Garden

Overview

Upgrade your John Deere 42-inch mower with the UDC Parts M170642 blades. This two-pack is designed to replace OEM M170642 and UC22008, offering reliable, ready-to-use cutting performance across a range of S220 and ZTrak models including Z315E, Z320M, Z320R, Z335E, Z335M, Z345M, and Z345R. The blades are crafted to support mulching tasks while maintaining steady balance and efficiency on demanding runs.

Key Fit and Technical Details

  • Replaces OEM Part: John Deere M170642, UC22008.
  • Dimensions: Length 21-3/8", Width 2-3/4", Center Hole Circle 13/16", Air Lift 1-19/64", Cutting Edge Length 4-9/64"; Compatible Deck Size: 42". Blade length is measured diagonally from end to end.
  • Compatibility: John Deere 42" mower blades compatible with S220 and ZTrak series including Z315E, Z320M, Z320R, Z335E, Z335M, Z345M, Z345R.
  • Important Note: Parts may differ between configurations of the same mower model. Please confirm the full model number for a proper fit.

Durability and Performance

  • Material: Made from premium, high-strength steel to help keep the cutting edge sharp and stable through repeated use.
  • Long-Lasting: Designed to withstand regular mowing sessions and challenging grass conditions, helping extend blade life.
  • Mulching-Ready: Formulated to work well with mulching setups, aiding in even clippings dispersion when used as part of a compatible system.

Installation and Maintenance

  • Installation: Quick, hassle-free fit—swap the old blade and secure the new one for immediate cutting readiness.
  • Sharpness: Each blade is pre-sharpened and coated with safety paint that wears off during initial operation. The edge can be safely resharpened as needed for ongoing performance.

What You Get

This listing includes a two-pack of blades designed to deliver dependable replacement options for compatible John Deere 42-inch decks, with attention to durability and ease of use across multiple mower configurations. While performance can vary with conditions, users may notice consistent cut quality and reliable edge retention over time.

FAQ

Q: What mower models do these blades fit?

A: They replace OEM M170642/UC22008 and fit 42-inch John Deere decks across listed S220 and ZTrak models; verify your full model number for proper compatibility.

Q: Are the blades pre-sharpened and can they be resharpened?

A: Blades arrive pre-sharpened with a safety coating that wears off after initial use; they can be safely resharpened as needed for ongoing performance.

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