Replacement 7 Star Mounting Pattern Blades For 48 Inch John Deere Deck Mowers And 48 Inch Zero Turn Tractors D160 E160 E170 E150 LA145 LA140 GY20852 GX21784 Compatible For A Clean Cut Every Time
✔️ 7-point star mounting, single blade for 48-in decks; 435 mm long
Designed for 48-inch deck mowers and 48-inch zero-turn tractors, this replacement blade features a 7-star mounting pattern for precise fit and balanced cutting. It replaces GX21784, GY20852, AM137757, AM141035 and fits many John Deere 48" deck models, including D140 D150 D160 E140 E150 E160 E170 L120 LA130 LA140 LA145 LA155 LA165 S140 S160 S170 X140 X165 X166 X167 Z245 Z255 Z355E. It’s a 3-in-1 mulch-blade with high lift that improves bagging capacity and produces finer clippings. Painted edges protect hands during installation, but paint wears off with use.
✅ Mounting Pattern: 7 Star
✅ Length: 17-1/8" (435 mm)
✅ Width: 2-3/4" (70 mm)
✅ Thickness: 5/32" (4 mm)
✅ Center Hole Shape: 7 Point Star
✅ Deck Size: 48"
✅ Mower Blade Type: Mulching
✅ Replaces: GX21784, GY20852, AM137757, AM141035
✅ Color: Black
💡 What is a 7-point star mounting pattern blade used for on 48-inch John Deere mower decks?
It’s handy to have a precise fit and balanced cut across the 48" deck.
- handy 7-point star mounting for 48" deck compatibility
- improves bagging, mulching, and side discharge performance
- reduces vibration for a smoother mowing experience