ILONPA 48" 7-Star Mulching Toothed Mower Blades for John Deere 100-Series 2-Pack — 3-in-1 Mulch/Bag/Side-Discharge, Raised Air Lif

These ILONPA GY20852 48-inch 7-star mulching toothed blades are replacement 3-in-1 mower blades engineered to fit John Deere 48" 100-series decks and select EZtrak zero-turn models.

If your mower uses a 7-point star center hole and you want blades that handle mulching, side discharge and bagging without swapping parts, these blades offer a cost-effective OEM-compatible option. Each blade is a 17" long, 2-3/4" wide toothed blade with a 7/8" center hole and raised air lift to improve cut flow under a 48" deck. The two-pack covers both sides of a single deck so you can restore balance and cutting performance in one purchase.

How do these 3-in-1 blades improve my lawn care routine?

The toothed mulching profile chops grass into finer clippings and helps disperse them back onto the turf, which reduces bagging frequency and returns organic matter to the soil. The raised air lift supports even airflow beneath the deck so clippings are circulated for consistent cutting and effective mulching.

• Mulch, bag or side-discharge capability without changing blades
• Toothed cutting edge creates smaller clippings for quicker decomposition
• 1" air lift for improved lift and circulation under a 48" deck

Will these blades fit my John Deere or EZtrak mower?

These blades are made for 48" deck John Deere 100 Series models and certain EZtrak residential zero-turn models. They require the 7-point star center hole (7/8") — not a circular center hole — so verify your spindle pattern before ordering.

• Compatible with many John Deere models: 145, 155C, D140, D150, D155, D160, E140, E150, E160, E170, S140, S160, X105, X165, X166, X167, S170, X140, L120, L130, LA130, LA140, LA145, LA155, LA165
• Also fits Z245, Z255, Z355E EZtrak models with 48" decks
• If your mower uses a circular center hole, order MPN M145476 instead to avoid mismatch

What are the exact specs and replacement part numbers?

These blades measure 17" long, 2-3/4" wide and 1/6" thick, with a 7/8" 7-star center hole and a 1" air lift. They are sold in packs intended to replace factory blades and match several John Deere OEM numbers.

• Dimensions: 17" (432mm) x 2-3/4" (70mm) x 1/6" (4mm)
• Center hole: 7-point star, 7/8" (22.2mm); Air lift: 1" (25mm)
• Replace numbers: GY20852, GX21784, GX21785, GX21786, AM137757, AM141035

How are these blades protected before first use?

The cutting edges are coated with a protective paint to prevent corrosion and to lower the risk of installation cuts. That coating is temporary: it wears off quickly during initial mowing and is not a performance coating to be removed manually.

• Protective paint prevents rust and reduces sharp-edge handling risks
• Coating wears off during early hours of operation—do not strip it yourself
• Blades arrive ready to install and pair with standard John Deere blade bolts

Who is this for: The ILONPA GY20852 blades suit homeowners and landscapers who own John Deere 100-series tractors or compatible EZtrak zero-turn mowers with 48" decks and a 7-point star spindle. They are a practical replacement when you need restored cutting balance, improved mulching performance, or a budget-friendly alternative to OEM blades. Verify your spindle center pattern before buying to ensure correct fitment.