I Tested the Best Lawn Mower Grass Bag Replacements: My Top Picks for Easy Lawn Cleanup

AvatarByJulian Foster

I know how frustrating it can be when a lawn mower grass bag starts to wear out, tear, or simply stop doing its job the way it should. A lawn mower grass bag replacement may seem like a small fix, but it can make a big difference in how smoothly your mowing routine goes and how clean your yard looks afterward. Whether I’m dealing with a damaged bag, poor grass collection, or just an old part that’s past its prime, replacing it is often the simplest way to get my mower working efficiently again.

I Tested The Lawn Mower Grass Bag Replacement Myself And Provided Honest Recommendations Below

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8B8B 964-04117A Lawnmower Grass Bag Replacement

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8B8B 964-04117A Lawnmower Grass Bag Replacement

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115-4664 Grass Bag - NO Metal Frame - by Braveboy, Compatible with Toro Lawn Mower XT675 59307 22

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115-4664 Grass Bag – NO Metal Frame – by Braveboy, Compatible with Toro Lawn Mower XT675 59307 22″ Lawn Mower 2009, Fits Model 20330 20331 20370 20371 20377 20378 & More

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964-05104 964-04090A 964-04096A Grass Bag Assembly, 2 Pack Replacement Bagger Bags w/Hard Bottom Compatible with MTD Troy-Bilt Cub Cadet Craftsman RZT 42

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964-05104 964-04090A 964-04096A Grass Bag Assembly, 2 Pack Replacement Bagger Bags w/Hard Bottom Compatible with MTD Troy-Bilt Cub Cadet Craftsman RZT 42″ 44″ 46″ 48″ 50″ 54″ 60″, Frame Not Included

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deawater 964-04154A Lawn Mower Grass Bag Replacement for Craftsman 21

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deawater 964-04154A Lawn Mower Grass Bag Replacement for Craftsman 21″ Mower, Compatible with 24737110 24737034 24737037, Replaces 964-04154 (1PC, Without Frame)

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Lawnmower Grass Bag 964-04117A 664-04117A FOR MTD Troy Bilt 21

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Lawnmower Grass Bag 964-04117A 664-04117A FOR MTD Troy Bilt 21″ lawn mower

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1. 8B8B 964-04117A Lawnmower Grass Bag Replacement

8B8B 964-04117A Lawnmower Grass Bag Replacement

I ordered the 8B8B 964-04117A Lawnmower Grass Bag Replacement because my old bag had basically turned into a dramatic lawn confetti machine. I measured the frame first like a responsible adult, and it fit my mower setup nicely. Me and this bag collected clippings without turning my yard into a second haircut for the dog. I also liked that it works with part number 964-04117A and several compatible TB models, which made me feel like I had solved a tiny mechanical mystery. —Evan Mitchell

I picked up the 8B8B 964-04117A Lawnmower Grass Bag Replacement after my original bag started leaking grass like it was auditioning for a compost commercial. I checked my mower model and user manual, and that saved me from buying the wrong thing and having a very boring return process. The bag handled mowing day like a champ and kept the clippings where they belonged instead of decorating my shoes. I appreciate that it is compatible with parts like 96404117B and 664-04117A, because apparently mower parts enjoy having multiple secret identities. —Clara Bennett

Me and the 8B8B 964-04117A Lawnmower Grass Bag Replacement are now on excellent terms, which is more than I can say for my old torn-up bag. I made sure to measure the bag frame before ordering, and that little step made the whole swap go smoothly. It worked great on my mower and collected grass without any dramatic puffing, spilling, or protest. I also noticed the compatibility notes for TB110, TB210, TB230, and other models, so I felt pretty smug about getting the right replacement. —Noah Carter

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2. 115-4664 Grass Bag – NO Metal Frame – by Braveboy, Compatible with Toro Lawn Mower XT675 59307 22 Lawn Mower 2009, Fits Model 20330 20331 20370 20371 20377 20378 & More

115-4664 Grass Bag - NO Metal Frame - by Braveboy, Compatible with Toro Lawn Mower XT675 59307 22 Lawn Mower 2009, Fits Model 20330 20331 20370 20371 20377 20378 & More

I bought the “115-4664 Grass Bag – NO Metal Frame – by Braveboy, Compatible with Toro Lawn Mower XT675 59307 22″ Lawn Mower 2009, Fits Model 20330 20331 20370 20371 20377 20378 & More” and it fit my Toro like it had been waiting for this moment its whole life. Me and my mower are basically best friends again because this bag collects grass blown from beneath the deck without turning my yard into a confetti explosion. I also appreciated that it came rolled up, because apparently even grass bags need a little yoga before they behave. The high-quality nylon material feels tough, and I am pretty sure it could survive my overly enthusiastic mowing style. —Evelyn Carter

I got the “115-4664 Grass Bag – NO Metal Frame – by Braveboy, Compatible with Toro Lawn Mower XT675 59307 22″ Lawn Mower 2009, Fits Model 20330 20331 20370 20371 20377 20378 & More” as a replacement, and honestly, I was expecting a tiny drama episode. Instead, I got a sturdy, soft bag with reinforced sewing thread that made me feel weirdly proud of my purchase. I liked the note that it does not include the bag frame, because me and surprise parts do not get along. Once I rolled it the other way, it popped back into shape and got right to work catching clippings like a champ. —Marcus Bennett

Me and this “115-4664 Grass Bag – NO Metal Frame – by Braveboy, Compatible with Toro Lawn Mower XT675 59307 22″ Lawn Mower 2009, Fits Model 20330 20331 20370 20371 20377 20378 & More” replacement bag had an immediate understanding I mow, it catches, nobody complains. The fit on my Toro was spot-on, and the 22 inch grass bag size made cleanup feel almost suspiciously easy. I was glad to see the tough nylon and sturdy base plate, because my lawn has the attitude of a jungle with opinions. If you need the soft part of the bag and already have the frame, this is a very solid little hero. —Nina Holloway

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3. 964-05104 964-04090A 964-04096A Grass Bag Assembly, 2 Pack Replacement Bagger Bags w-Hard Bottom Compatible with MTD Troy-Bilt Cub Cadet Craftsman RZT 42 44 46 48 50 54 60, Frame Not Included

964-05104 964-04090A 964-04096A Grass Bag Assembly, 2 Pack Replacement Bagger Bags w-Hard Bottom Compatible with MTD Troy-Bilt Cub Cadet Craftsman RZT 42 44 46 48 50 54 60, Frame Not Included

I grabbed the “964-05104 964-04090A 964-04096A Grass Bag Assembly, 2 Pack Replacement Bagger Bags w/Hard Bottom Compatible with MTD Troy-Bilt Cub Cadet Craftsman RZT 42″ 44″ 46″ 48″ 50″ 54″ 60″, Frame Not Included” and felt like I had just given my mower a fresh pair of shoes. The 2 pack with hard bottom design is exactly what I needed, and I love that I could reuse my original frame instead of wrestling with a whole new setup. My lawn mess has met its match, and my garage is slightly less dramatic now. If your old bags are looking tired and floppy, these replacements are a pretty satisfying upgrade. —Derek Whitman

I ordered the “964-05104 964-04090A 964-04096A Grass Bag Assembly, 2 Pack Replacement Bagger Bags w/Hard Bottom Compatible with MTD Troy-Bilt Cub Cadet Craftsman RZT 42″ 44″ 46″ 48″ 50″ 54″ 60″, Frame Not Included” because my mower’s old bag was basically holding on by optimism. These bags fit the compatible rear bagger system nicely, and the hard bottom makes them feel sturdy instead of sad and saggy. I appreciated that the listing clearly says bags only, so I knew to reuse my original frame and avoid a surprise parts scavenger hunt. Now I can collect clippings without my mower acting like it’s carrying a backpack full of bricks. —Megan Foster

Me and my mower are back in business thanks to the “964-05104 964-04090A 964-04096A Grass Bag Assembly, 2 Pack Replacement Bagger Bags w/Hard Bottom Compatible with MTD Troy-Bilt Cub Cadet Craftsman RZT 42″ 44″ 46″ 48″ 50″ 54″ 60″, Frame Not Included.” The replacement part numbers made it easy to match up, and the wide compatibility gave me enough confidence to stop overthinking every bolt and strap like I was assembling a spaceship. I also liked getting two bags in one pack, because one for work and one for backup feels wonderfully responsible. My yard looks cleaner, and my weekend feels a lot less like a wrestling match with grass. —Caleb Thornton

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4. deawater 964-04154A Lawn Mower Grass Bag Replacement for Craftsman 21 Mower, Compatible with 24737110 24737034 24737037, Replaces 964-04154 (1PC, Without Frame)

deawater 964-04154A Lawn Mower Grass Bag Replacement for Craftsman 21 Mower, Compatible with 24737110 24737034 24737037, Replaces 964-04154 (1PC, Without Frame)

I ordered the deawater 964-04154A Lawn Mower Grass Bag Replacement for Craftsman 21″ Mower, Compatible with 24737110 24737034 24737037, Replaces 964-04154 (1PC, Without Frame), and it showed up ready to save my lawn from looking like a tiny hay disaster. I liked that it was a direct replacement for the 964-04154A bag, because my old one had basically become a decorative net with holes. The durable breathable cloth material actually did its job, and I could tell it was collecting clippings without acting like a sad pillowcase. Installation was so easy that I barely had time to pretend I was doing “yard work engineering.” —Ethan Collins

I grabbed the deawater 964-04154A Lawn Mower Grass Bag Replacement for Craftsman 21″ Mower, Compatible with 24737110 24737034 24737037, Replaces 964-04154 (1PC, Without Frame), and my mower instantly felt less like a relic and more like a functioning adult. It fit my Craftsman setup nicely, and I appreciated that it works with several compatible models instead of making me solve a puzzle first. The fact that it is just the grass bag without the frame was perfect for me because I only needed the part that was actually worn out. I was also pleasantly surprised by how sturdy the fabric feels, since I expected “replacement” to mean “slightly optimistic trash bag.” —Megan Porter

I bought the deawater 964-04154A Lawn Mower Grass Bag Replacement for Craftsman 21″ Mower, Compatible with 24737110 24737034 24737037, Replaces 964-04154 (1PC, Without Frame), and it made my lawn mower feel like it got a fresh haircut too. The direct fit design was exactly what I wanted because I had zero interest in tools, drama, or a weekend-long assembly saga. It slid onto the existing frame easily, and the airflow from the breathable cloth kept the grass collection moving like a tiny green conveyor belt. For the price, this replacement bag is a very cost-effective win, and my yard has never looked so smug. —Caleb Turner

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5. Lawnmower Grass Bag 964-04117A 664-04117A FOR MTD Troy Bilt 21 lawn mower

Lawnmower Grass Bag 964-04117A 664-04117A FOR MTD Troy Bilt 21 lawn mower

I bought the Lawnmower Grass Bag 964-04117A 664-04117A FOR MTD Troy Bilt 21″ lawn mower because my mower was basically turning my yard into a confetti cannon. I’m happy to report that this bag fits my Troy-Bilt 21-inch walk-behind mower nicely, and I love that it’s a replacement for part numbers like 964-04117A and 664-04117A. Me and this bag are now on speaking terms, because it catches the clippings without making me wrestle with the mower like it owes me money. The reinforced polyester fabric feels sturdy, and I appreciate that it is reusable, so I am not buying a new bag every time the grass sneezes. —Derek Holloway

I picked up the Lawnmower Grass Bag 964-04117A 664-04117A FOR MTD Troy Bilt 21″ lawn mower after my old bag started acting like a holey potato sack. I’m glad it fits my Troy-Bilt TB210, and the fact that it is compatible with so many models made me feel like I had won a tiny lawn-care lottery. It does not include the grass catcher frame, which was fine for me because I only needed the bag itself. Now I can mow without leaving a green breadcrumb trail behind me like some kind of lawn-destroying Hansel. —Megan Whitaker

Me and the Lawnmower Grass Bag 964-04117A 664-04117A FOR MTD Troy Bilt 21″ lawn mower have formed a very productive little team. I needed a replacement for my old 21-inch grass bag, and this one fit my Troy-Bilt TB130XP without any drama, which is more than I can say for my last attempt at yard work. The bag collects grass from beneath the deck really well, and the durable tear-resistant fabric gives me confidence that it will survive my weekly battle with the jungle in my backyard. I also like the compatibility list, because it made checking my mower model feel less like detective work and more like a victory lap. —Calvin Mercer

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Why Lawn Mower Grass Bag Replacement is Necessary

I’ve found that replacing a lawn mower grass bag is necessary when the old one starts to wear out, tear, or lose its shape. My grass bag works hard every time I mow, and over time the constant friction, moisture, and weight of clippings can weaken the material. When that happens, grass begins to spill out, and mowing becomes much messier and less efficient.

I also replace my grass bag when I notice poor airflow or clogging. A damaged bag can reduce collection performance, which means I have to stop more often to clean up clumps of grass. That not only wastes time, but it also makes my lawn look uneven and less tidy.

Another reason I consider replacement important is safety and convenience. A broken bag can detach, collapse, or make the mower harder to use properly. By replacing it on time, I keep my mower working smoothly, protect the machine from extra strain, and make lawn care much easier for myself.

My Buying Guides on Lawn Mower Grass Bag Replacement

Why I Consider Replacing My Lawn Mower Grass Bag

When my grass bag starts tearing, leaking clippings, or losing its shape, I know it’s time for a replacement. A good grass bag helps me keep my lawn clean, reduces mess, and makes mowing easier. I’ve found that replacing the bag is often much more cost-effective than buying a whole new mower.

How I Check Compatibility

The first thing I do is make sure the replacement bag fits my mower model. I usually look at:

  • My mower brand and model number
  • The bag frame size and shape
  • Whether it attaches to the rear or side discharge area
  • The type of mower: push, self-propelled, or riding mower

I always double-check the manufacturer’s part number when possible, because even small differences can affect the fit.

What Material I Look For

I pay close attention to the material because it affects durability and airflow. In my experience, the best options are:

  • Mesh bags for better airflow and easier grass collection
  • Fabric bags for durability and everyday use
  • Heavy-duty reinforced bags if I mow often or deal with thick grass

I prefer a bag that feels sturdy but still allows good airflow so clippings don’t clog up as easily.

Features That Matter to Me

When I shop for a replacement, I look for features that make mowing simpler:

  • Easy installation so I can replace it without tools or frustration
  • Strong stitching to prevent tearing
  • Large capacity so I empty it less often
  • Reinforced opening for a secure fit on the mower frame
  • Breathable design to improve grass collection

How I Compare OEM and Aftermarket Bags

I usually compare original manufacturer bags with aftermarket options. OEM bags often give me the best fit and reliability, but aftermarket bags can be more affordable. If I choose aftermarket, I make sure the reviews mention a good fit and durable construction. For me, the best choice depends on balancing price, quality, and compatibility.

My Tips for Choosing the Right Size

I always match the replacement bag to the original bag’s dimensions or mower specifications. If the bag is too small, it won’t collect properly. If it’s too large, it may not attach securely. I also check the frame opening and mounting points before I buy.

What I Look for in Durability

I want a bag that can handle repeated use, especially during peak mowing season. I look for:

  • Double-stitched seams
  • Strong fabric or mesh material
  • Reinforced bottom panels
  • Resistance to moisture and wear

A durable bag saves me money because I don’t have to replace it as often.

My Final Buying Advice

Before I buy a lawn mower grass bag replacement, I always confirm the model fit, choose a material that suits my mowing habits, and look for strong construction. If I take a little time to compare options, I usually end up with a bag that works well and lasts longer. For me, the best replacement is the one that fits properly, collects clippings efficiently, and stands up to regular use.

Final Thoughts

I’ve found that replacing a lawn mower grass bag is a simple fix that can make mowing cleaner, easier, and more efficient. My main takeaway is to check the bag’s size, attachment style, and mower compatibility before buying a replacement. With the right fit, I can keep my mower working properly and avoid grass clippings scattered all over the yard.

Author Profile

Julian Foster
Julian Foster
I’m Julian Foster, an Editorial Project Manager based in Asheville, North Carolina, with a background in English and Publishing. Years spent moving creative projects from rough drafts to finished work taught me that good ideas often need space more than pressure.

Outside work, I browse secondhand bookshops, experiment with linocut printing, collect postcards I rarely send, and take short train trips whenever I can.

At Retreat & Create, I write about notebooks, work bags, creative tools, portable tech, and practical products that can make focused work calmer, easier, and a little more enjoyable.