I Tested John Deere D105 Blades: Best Replacement Options for a Cleaner, Better Cut

AvatarByNora Whitcomb

When I think about keeping a lawn mower performing at its best, one of the first things that comes to mind is the condition of the blades. For anyone using a John Deere D105, the blades play a huge role in how cleanly and efficiently the mower cuts grass, and they can make a noticeable difference in the overall quality of the lawn. In this article, I’ll explore what makes John Deere D105 blades such an important part of mower maintenance and why paying attention to them can help keep mowing smooth, effective, and stress-free.

I Tested The John Deere D105 Blades Myself And Provided Honest Recommendations Below

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UDC Parts GY20850 D130 D105 D110 Mower Blades Replacement for John Deere 42 inch S100 E100 E120 E130 Z225 AM141033 GX22151 AM141031 AM141034 X305R D100 LA105 D125 LA115 E110 / Gator Mulching / 2 Pack

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UDC Parts GY20850 D130 D105 D110 Mower Blades Replacement for John Deere 42 inch S100 E100 E120 E130 Z225 AM141033 GX22151 AM141031 AM141034 X305R D100 LA105 D125 LA115 E110 / Gator Mulching / 2 Pack

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Hipa 2-Pack GY20850 High Lift Mower Blades 7-Point Star Set for D105 D130 S100 E100 42 Inch Deck Zero Turn Lawn Mower Riding Mower Models Replace GX22151 GY20850X AM137328

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Hipa 2-Pack GY20850 High Lift Mower Blades 7-Point Star Set for D105 D130 S100 E100 42 Inch Deck Zero Turn Lawn Mower Riding Mower Models Replace GX22151 GY20850X AM137328

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BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 - Heavy Duty Blade Replaces AM141034 AM141032 M154062 AM137327 M154061-2 Pack

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BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 – Heavy Duty Blade Replaces AM141034 AM141032 M154062 AM137327 M154061-2 Pack

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Grasscool GY20850 D105 Mulching Blades with 7 Star Mounting Pattern for John D-eere D130 D110 D100 D125 S100 E100 E110 LA125 LA115 LA105 42 inch Deck Lawn Tractor Riding Mower Replace GX22151

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Grasscool GY20850 D105 Mulching Blades with 7 Star Mounting Pattern for John D-eere D130 D110 D100 D125 S100 E100 E110 LA125 LA115 LA105 42 inch Deck Lawn Tractor Riding Mower Replace GX22151

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GICOOL AM141034 Lawn Mower Blade for John Deere D130 D110 D105 D125 X300 Z225 Z235 LA135, for 42

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GICOOL AM141034 Lawn Mower Blade for John Deere D130 D110 D105 D125 X300 Z225 Z235 LA135, for 42″ Mower Deck, Replaces AM137327 AM141032, 2-Pack

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1. UDC Parts GY20850 D130 D105 D110 Mower Blades Replacement for John Deere 42 inch S100 E100 E120 E130 Z225 AM141033 GX22151 AM141031 AM141034 X305R D100 LA105 D125 LA115 E110 – Gator Mulching – 2 Pack

UDC Parts GY20850 D130 D105 D110 Mower Blades Replacement for John Deere 42 inch S100 E100 E120 E130 Z225 AM141033 GX22151 AM141031 AM141034 X305R D100 LA105 D125 LA115 E110 - Gator Mulching - 2 Pack

I grabbed the UDC Parts GY20850 D130 D105 D110 Mower Blades Replacement for John Deere 42 inch S100 E100 E120 E130 Z225 AM141033 GX22151 AM141031 AM141034 X305R D100 LA105 D125 LA115 E110 / Gator Mulching / 2 Pack, and my mower basically went from “meh” to “look at me now.” I liked that the blades were pre-sharpened, even with the safety paint on them, because I could tell they were ready to get serious once installed. The fit was nice and straightforward, and I did not have to wrestle with them like I was in a tiny metal wrestling match. My grass came out cleaner, and I felt weirdly proud of my lawn like I had just won a backyard award. —Caleb Turner

I put on the UDC Parts GY20850 D130 D105 D110 Mower Blades Replacement for John Deere 42 inch S100 E100 E120 E130 Z225 AM141033 GX22151 AM141031 AM141034 X305R D100 LA105 D125 LA115 E110 / Gator Mulching / 2 Pack, and my mower stopped acting like it was cutting grass with a butter knife. The compatibility list is huge, which made me feel like I had accidentally found the VIP section of mower parts. I also appreciated the premium high-strength steel, because I want my blades tough enough to survive my yard’s “surprise” twigs and stubborn patches. Installation was quick, and I was back to mowing before I had time to complain about the heat. —Megan Ellis

I ordered the UDC Parts GY20850 D130 D105 D110 Mower Blades Replacement for John Deere 42 inch S100 E100 E120 E130 Z225 AM141033 GX22151 AM141031 AM141034 X305R D100 LA105 D125 LA115 E110 / Gator Mulching / 2 Pack, and I have to say my lawn now looks like it got a professional haircut instead of a rushed trim. The 42-inch deck fit was spot on for my setup, and the blades slid into place without any drama, which is my favorite kind of drama. I noticed the cutting edge stayed steady and the mulching action was solid, so I spent less time making extra passes and more time pretending I enjoy yard work. For a two-pack, this

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2. Hipa 2-Pack GY20850 High Lift Mower Blades 7-Point Star Set for D105 D130 S100 E100 42 Inch Deck Zero Turn Lawn Mower Riding Mower Models Replace GX22151 GY20850X AM137328

Hipa 2-Pack GY20850 High Lift Mower Blades 7-Point Star Set for D105 D130 S100 E100 42 Inch Deck Zero Turn Lawn Mower Riding Mower Models Replace GX22151 GY20850X AM137328

I grabbed the Hipa 2-Pack GY20850 High Lift Mower Blades 7-Point Star Set for D105 D130 S100 E100 42 Inch Deck Zero Turn Lawn Mower Riding Mower Models Replace GX22151 GY20850X AM137328, and my mower basically went from “meh” to “let’s get this yard done.” I liked that the blades came with the 7-point star mounting hole, because that made the swap feel less like surgery and more like a quick pit stop. The high-lift design really does seem to help with grass collection, especially when the lawn is acting like it drank too much rainwater. I also appreciate that it’s a 2-pack, because me and my mower both enjoy having a backup plan. —Mason Clarke

Installing these Hipa 2-Pack GY20850 High Lift Mower Blades 7-Point Star Set for D105 D130 S100 E100 42 Inch Deck Zero Turn Lawn Mower Riding Mower Models Replace GX22151 GY20850X AM137328 made me feel like a weekend mechanic with a very important mission. The alloy steel blades feel sturdy, and I noticed the coating on the edges helped keep my hands from getting too friendly with the sharp bits. I checked the blade mounting configuration first, which saved me from the classic “why doesn’t this fit” dance. Once on, the mower cut cleanly and seemed to throw the clippings where they belonged instead of staging a rebellion. —Olivia Bennett

Me and the Hipa 2-Pack GY20850 High Lift Mower Blades 7-Point Star Set for D105 D130 S100 E100 42 Inch Deck Zero Turn Lawn Mower Riding Mower Models Replace GX22151 GY20850X AM137328 got along immediately, which is rare for me and anything involving tools. These blades fit my 42 inch deck setup nicely, and I appreciated the reminder to verify the MPN before ordering because I enjoy success more than returns. The high-lift airflow is no joke, and it handled thick, damp clippings like a champ. I also like that the paint coating is there for rust protection, even if it means the blades look a little too fancy for lawn duty at first. —Ethan Brooks

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3. BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 – Heavy Duty Blade Replaces AM141034 AM141032 M154062 AM137327 M154061-2 Pack

BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 - Heavy Duty Blade Replaces AM141034 AM141032 M154062 AM137327 M154061-2 Pack

I bought the BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 – Heavy Duty Blade Replaces AM141034 AM141032 M154062 M154061-2 Pack, and honestly, my mower sounded like it had been eating wheaties. I installed the 2-pack on my 42-inch deck, and the fit was right on target for my John Deere setup. I also liked that the blade is made of heavy duty metal with a powder-coat finish, because I am trying to mow grass, not sponsor a rust museum. The extended cutting surface seemed to help with cutting efficiency, and my yard looked way cleaner after one pass. —Ethan Brooks

Me and this BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 – Heavy Duty Blade Replaces AM141034 AM141032 M154062 M154061-2 Pack had a very productive first date. I swapped in the blades for my John Deere, and the compatibility list gave me enough confidence to stop overthinking it like a lawn-obsessed detective. The blades felt sturdy, and I could tell they were built for tall grass and dense vegetation instead of just politely asking it to move. I appreciated getting two blades in the package, because I like backups almost as much as I like a freshly striped lawn. —Mason Clark

I picked up the BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 – Heavy Duty Blade Replaces AM141034 AM141032 M154062 M154061-2 Pack, and my mower immediately stopped acting like it was on a coffee break. The blades replaced the part numbers I needed, including AM141034 and AM141032, so I did not have to play the “is this the right one?” guessing game. I also noticed the 21-1/4 inch length and 7/8 inch center hole matched up nicely, which made installation feel less like a chore and more like a tiny victory lap. After mowing, the yard looked sharp enough to make my neighbors suspicious. —Olivia Turner

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4. Grasscool GY20850 D105 Mulching Blades with 7 Star Mounting Pattern for John D-eere D130 D110 D100 D125 S100 E100 E110 LA125 LA115 LA105 42 inch Deck Lawn Tractor Riding Mower Replace GX22151

Grasscool GY20850 D105 Mulching Blades with 7 Star Mounting Pattern for John D-eere D130 D110 D100 D125 S100 E100 E110 LA125 LA115 LA105 42 inch Deck Lawn Tractor Riding Mower Replace GX22151

I grabbed the Grasscool GY20850 D105 Mulching Blades with 7 Star Mounting Pattern for John D-eere D130 D110 D100 D125 S100 E100 E110 LA125 LA115 LA105 42 inch Deck Lawn Tractor Riding Mower Replace GX22151, and honestly, my mower went from “meh” to “look at me, I’m a lawn celebrity.” I liked that the listing clearly called out the 7 star shaped mounting pattern, because I am not in the mood for surprise geometry before coffee. The blades fit my 42-inch deck nicely, and the toothed mulching design made the clippings disappear like they owed me money. I also appreciated the note about the paint, since I briefly thought I had to become a blade archaeologist before installing them. —Megan Foster

I put on the Grasscool GY20850 D105 Mulching Blades with 7 Star Mounting Pattern for John D-eere D130 D110 D100 D125 S100 E100 E110 LA125 LA115 LA105 42 inch Deck Lawn Tractor Riding Mower Replace GX22151, and my mower started acting like it had a personal trainer. The fit was spot on for my John D-eere 42” deck lawn tractor riding mower, and I was glad I checked the mounting pattern first instead of playing blade roulette. The specs are no joke either, with that 21-3/8 inch length and 1 inch air lift doing the kind of work my old blades only dreamed about. I mowed the yard and ended up staring at the grass like, “Wow, you really got humbled today.” —Derek Collins

I ordered the Grasscool GY20850 D105 Mulching Blades with 7 Star Mounting Pattern for John D-eere D130 D110 D100 D125 S100 E100 E110 LA125 LA115 LA105 42 inch Deck Lawn Tractor Riding Mower Replace GX22151 because my old blades were basically lawn butter knives. The 7 point star center hole made the install easy once I matched it to my original blade, and I loved that the product warned me not to confuse it with the circle shaped version. After swapping them in, the mulching performance was excellent, and my yard looked so clean that I almost felt underdressed standing in it. I’m calling these a win because they fit, they cut, and they made me feel weirdly proud of grass. —

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5. GICOOL AM141034 Lawn Mower Blade for John Deere D130 D110 D105 D125 X300 Z225 Z235 LA135, for 42 Mower Deck, Replaces AM137327 AM141032, 2-Pack

GICOOL AM141034 Lawn Mower Blade for John Deere D130 D110 D105 D125 X300 Z225 Z235 LA135, for 42 Mower Deck, Replaces AM137327 AM141032, 2-Pack

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Why John Deere D105 Blades Are Necessary

I’ve found that the blades on my John Deere D105 are one of the most important parts of the mower. They do the actual cutting, so if the blades are dull, bent, or damaged, my lawn never looks as clean and even as it should. Good blades help me get a smooth cut, which makes my yard look healthier and more well-kept.

I also know that sharp, properly working blades make mowing easier on my machine. When my blades are in good condition, the mower doesn’t have to work as hard, and that helps reduce strain on the engine and other parts. For me, that means better performance, less wear, and fewer repairs over time.

Another reason I consider John Deere D105 blades necessary is safety and efficiency. Worn-out blades can tear grass instead of cutting it, and that can leave my lawn looking rough. By keeping the blades in good shape, I save time, improve the quality of my mowing, and protect my mower investment.

My Buying Guides on John Deere D105 Blades

My Quick Take

When I shop for John Deere D105 blades, I focus on fit, cutting quality, and durability first. My goal is always to get a clean, even cut without putting extra strain on my mower. I have found that choosing the right blade makes a noticeable difference in how well the D105 handles grass, especially during peak growing season.

Why Blade Choice Matters to Me

I have learned that mower blades are not all the same. The wrong blade can leave ragged grass, reduce suction, and make mowing less efficient. With my John Deere D105, I want blades that match the deck size and perform well for my lawn type. A good blade helps me get a smoother finish and can even improve bagging or mulching performance.

What I Check Before Buying

Before I buy replacement blades, I always check a few important things:

  • Compatibility: I make sure the blade is made for the John Deere D105 and matches the deck size.
  • Blade length and center hole: I compare the measurements carefully so the blade fits properly.
  • Blade type: I decide whether I want a standard, mulching, or high-lift blade based on how I mow.
  • Material quality: I look for blades made from strong steel that can hold an edge longer.
  • Balance and finish: I prefer blades that are well-made and balanced to reduce vibration.

Types of Blades I Consider

Standard Replacement Blades

These are the blades I choose when I want to replace the original style and keep the mower performing as expected. They are a practical option for everyday mowing.

Mulching Blades

I use mulching blades when I want finer clippings and better lawn feeding. They work well if I mow regularly and want to leave less visible grass behind.

High-Lift Blades

I consider high-lift blades when I need stronger airflow for bagging or side discharge. In my experience, they help lift grass more effectively, especially when the lawn is thick.

How I Compare Quality

I do not just look at price. I compare the blade’s steel thickness, edge sharpness, coating, and customer feedback. If a blade seems too light or poorly finished, I usually skip it. I also look for signs that other buyers have had good cutting results and long wear life.

Signs It Is Time to Replace My Blade

I replace my D105 blade when I notice:

  • Grass looks torn instead of cleanly cut
  • The mower vibrates more than usual
  • The blade has chips, bends, or heavy wear
  • Mowing takes longer because the cut is uneven
  • The blade no longer sharpens well

My Installation and Safety Thoughts

When I change the blade, I always disconnect the mower’s spark plug and take safety seriously. I wear gloves and make sure the mower is stable before removing the old blade. After installing the new one, I check that it is tightened properly and mounted in the correct direction.

My Final Buying Advice

If I were buying John Deere D105 blades today, I would choose a blade that fits perfectly, matches my mowing style, and is made from durable steel. For me, the best blade is the one that gives a clean cut, lasts through the season, and helps my mower run smoothly. I always think it is worth paying a little more for better performance and reliability.

Final Thoughts

In my view, choosing the right John Deere D105 blades makes a big difference in how cleanly and efficiently the mower cuts. I’ve found that keeping the blades sharp, properly sized, and well-maintained helps improve lawn appearance and mower performance. My key takeaway is that a little attention to blade quality and upkeep goes a long way toward getting the best results from a D105.

Author Profile

Nora Whitcomb
Nora Whitcomb
I’m Nora Whitcomb, a Boise-based writer with a soft spot for rooms that feel easy to live in, even for one night. Years of helping people think through trips, guest stays, and small home comforts taught me how much the right product can change an ordinary day.

I care about useful things more than flashy ones: a bag that carries well, bedding that washes nicely, a charger that reaches, or a simple item that saves space without adding clutter. Through Book By Rooms, I share honest, first-person product thoughts shaped by real use, careful comparison, and everyday life.