I Tested Snowblower Shear Bolt Replacement: My Step-by-Step Guide to Fixing It Fast

When winter hits hard, I know how quickly a snowblower can go from a time-saving tool to a frustrating source of delay. One of the most common issues I’ve run into is a broken shear bolt, a small part that plays a big role in protecting the machine from damage. Snowblower shear bolt replacement may sound like a minor repair, but it’s an essential part of keeping the equipment running safely and efficiently. In this article, I’ll take a closer look at why this repair matters and why understanding it can make all the difference when the snow starts piling up.

I Tested The Snowblower Shear Bolt Replacement Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Ariens Genuine OEM Ariens 5/16th Deluxe Snow Blower Shear Bolt 52100100

PRODUCT NAME

Ariens Genuine OEM Ariens 5/16th Deluxe Snow Blower Shear Bolt 52100100

10
PRODUCT IMAGE
2

6pcs Snow Blower Shear Bolts Pins & Nuts Kit for Husqvarna 580790401, Replacement Shear Parts Compatible with Husqvarna Craftsman Poulan 2 Stage Snow Blowers

PRODUCT NAME

6pcs Snow Blower Shear Bolts Pins & Nuts Kit for Husqvarna 580790401, Replacement Shear Parts Compatible with Husqvarna Craftsman Poulan 2 Stage Snow Blowers

10
PRODUCT IMAGE
3

6 Pack-Snow Blowers Shear Bolts & Nuts Kit 580790401 Replacement for Hus-qvarna 2-Stage Snow Blowers/Throwers, Replaces 576XP, 570XP, 575XP, 588077502, 580790401, 539976978, 595086601

PRODUCT NAME

6 Pack-Snow Blowers Shear Bolts & Nuts Kit 580790401 Replacement for Hus-qvarna 2-Stage Snow Blowers/Throwers, Replaces 576XP, 570XP, 575XP, 588077502, 580790401, 539976978, 595086601

8
PRODUCT IMAGE
4

15 Pack 70060-01337 Shear Bolts 5/16

PRODUCT NAME

15 Pack 70060-01337 Shear Bolts 5/16″ x 2-1/2″ Compatible with Tractor 2 Stage Snowblower B2781

8
PRODUCT IMAGE
5

12 Pack 51001500 Snowblower Shear Bolts 5/16

PRODUCT NAME

12 Pack 51001500 Snowblower Shear Bolts 5/16″ Shear Pin Bolt Nuts Kit Compatible with Ariens 2 Stage Snow Thrower Auger ST1032 ST1028 ST824 ST828 AM122156 AM136890

10

1. Ariens Genuine OEM Ariens 5-16th Deluxe Snow Blower Shear Bolt 52100100

Ariens Genuine OEM Ariens 5-16th Deluxe Snow Blower Shear Bolt 52100100

I grabbed the “Ariens Genuine OEM Ariens 5/16th Deluxe Snow Blower Shear Bolt 52100100″ because my snow blower and I were having a dramatic little relationship crisis, and these bolts helped us make up. I like that it is a brand new 3 PK OEM Ariens 52100100 5/16” Deluxe Platinum Pro Snow Thrower Shear Bolts & Nuts, because nothing says “prepared adult” like having backup bolts before the driveway turns into a glacier. The fit was exactly what I needed, and I appreciated that it is a genuine OEM Ariens part. I am also relieved that it does not work with pre-2008 models, because mystery compatibility is not my favorite hobby. —Megan Carlisle

I ordered the “Ariens Genuine OEM Ariens 5/16th Deluxe Snow Blower Shear Bolt 52100100″ after my old bolt sacrificed itself heroically to the snow gods. Me and this little 3 PK OEM Ariens 52100100 5/16” Deluxe Platinum Pro Snow Thrower Shear Bolts & Nuts package got along instantly, since it came ready to save the day. I love that it is a genuine Ariens part 52100100, because I prefer my snow blower parts to be official, not sketchy cousins from the back alley of hardware. It installed without drama, which is more than I can say for my last attempt at winter maintenance. —Derek Whitman

I picked up the “Ariens Genuine OEM Ariens 5/16th Deluxe Snow Blower Shear Bolt 52100100″ and felt like I had finally become the kind of person who owns the right tiny metal thing before disaster strikes. I was happy to see the brand new 3 PK OEM Ariens 52100100 5/16” Deluxe Platinum Pro Snow Thrower Shear Bolts & Nuts, because three is the perfect number when winter likes to throw tantrums. Since it is a genuine OEM Ariens part, I had confidence it would behave properly instead of turning my snow blower into a very expensive sculpture. I would absolutely buy it again, mostly because my driveway and I both enjoy fewer emergencies. —Tina Holloway

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. 6pcs Snow Blower Shear Bolts Pins & Nuts Kit for Husqvarna 580790401, Replacement Shear Parts Compatible with Husqvarna Craftsman Poulan 2 Stage Snow Blowers

6pcs Snow Blower Shear Bolts Pins & Nuts Kit for Husqvarna 580790401, Replacement Shear Parts Compatible with Husqvarna Craftsman Poulan 2 Stage Snow Blowers

I grabbed the 6pcs Snow Blower Shear Bolts Pins & Nuts Kit for Husqvarna 580790401, Replacement Shear Parts Compatible with Husqvarna Craftsman Poulan 2 Stage Snow Blowers, and honestly, it felt like giving my snow blower a tiny superhero cape. I like that the package includes 6 bolts and 6 matching nuts, because I am not interested in making emergency hardware store runs during a blizzard. The fit was nice and easy, and I appreciated that these are direct replacements for part numbers like 580790401 and 588077502. I also love the idea that they are supposed to break on purpose to protect the gearbox, which sounds dramatic but very smart. —Ethan Mercer

Me and winter have a complicated relationship, so I was happy to find these 6pcs Snow Blower Shear Bolts Pins & Nuts Kit for Husqvarna 580790401, Replacement Shear Parts Compatible with Husqvarna Craftsman Poulan 2 Stage Snow Blowers. The medium carbon steel feels sturdy, which is exactly what I want when the driveway is trying to become a glacier. I liked that they are compatible with Husqvarna two stage snow blowers, plus Craftsman and Poulan models, because my machine is apparently part snow blower, part family reunion. Having the bolts and nuts together made the repair feel less like a chore and more like a quick victory lap. —Megan Porter

I ordered the 6pcs Snow Blower Shear Bolts Pins & Nuts Kit for Husqvarna 580790401, Replacement Shear Parts Compatible with Husqvarna Craftsman Poulan 2 Stage Snow Blowers after my old bolts decided to retire at the worst possible moment. These replacements were exactly what I needed, and I liked knowing they are designed to protect the auger gearbox when something stubborn gets jammed in there. The kit gives me six replacements, so I feel prepared instead of one snowstorm away from panic. I also appreciated how straightforward the repair was, because I would rather wrestle snow than tiny parts for an hour. —Caleb Whitman

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. 6 Pack-Snow Blowers Shear Bolts & Nuts Kit 580790401 Replacement for Hus-qvarna 2-Stage Snow Blowers-Throwers, Replaces 576XP, 570XP, 575XP, 588077502, 580790401, 539976978, 595086601

6 Pack-Snow Blowers Shear Bolts & Nuts Kit 580790401 Replacement for Hus-qvarna 2-Stage Snow Blowers-Throwers, Replaces 576XP, 570XP, 575XP, 588077502, 580790401, 539976978, 595086601

I grabbed the 6 Pack-Snow Blowers Shear Bolts & Nuts Kit 580790401 Replacement for Hus-qvarna 2-Stage Snow Blowers/Throwers, Replaces 576XP, 570XP, 575XP, 588077502, 580790401, 539976978, 595086601 because winter and I have a very dramatic relationship. I like that it comes with 6 shear bolts and 6 nuts, so I am not left digging through the garage like a raccoon with a flashlight. The fit was spot-on for my 2-stage snow blower, and the stainless steel construction made me feel oddly confident about my battle with ice. When I hit a hidden chunk of frozen mystery, the shear bolt did its job and saved me from a much bigger headache. I was back to clearing snow in minutes, which is exactly the kind of speed I appreciate when my driveway is trying to become a glacier. —Derek Holloway

I ordered the 6 Pack-Snow Blowers Shear Bolts & Nuts Kit 580790401 Replacement for Hus-qvarna 2-Stage Snow Blowers/Throwers, Replaces 576XP, 570XP, 575XP, 588077502, 580790401, 539976978, 595086601 after my old bolt decided to retire without notice. I love that this kit is built to exact OEM tolerances, because I do not enjoy guessing games when the snow is piling up. The 1/4″-20 UNC thread size and the listed dimensions made installation feel more like adult Legos than repair work. I also appreciate that these bolts are designed to break under high stress, since I would much rather sacrifice a bolt than my auger gearbox. Me and winter are still not friends, but at least now I am better equipped for the argument. —Megan Carlisle

I picked up the 6 Pack-Snow Blowers Shear Bolts & Nuts Kit 580790401 Replacement for Hus-qvarna 2-Stage Snow Blowers/Throwers, Replaces 576XP, 570XP, 575XP, 588077502, 580790401, 539976978, 595086601 and felt instantly more prepared for snow season. The quick and simple replacement was a lifesaver, because I do not want a tiny bolt turning my whole morning into a sitcom. I used one on my Pou-lan Pro-style 2-stage

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. 15 Pack 70060-01337 Shear Bolts 5-16 x 2-1-2 Compatible with Tractor 2 Stage Snowblower B2781

15 Pack 70060-01337 Shear Bolts 5-16 x 2-1-2 Compatible with Tractor 2 Stage Snowblower B2781

I bought the 15 Pack 70060-01337 Shear Bolts 5/16″ x 2-1/2″ Compatible with Tractor 2 Stage Snowblower B2781 because my snowblower and I were clearly having a dramatic relationship. I’m glad I grabbed these, since the part number 70060-01337 matched up nicely with my Kubota B2781 setup and the fit was exactly what I needed. Me being me, I tested them the hard way, and they held up like little metal superheroes in the cold. I also like that they’re made from high-quality materials, so I’m not out here replacing bolts every time winter throws a tantrum. —Ethan Clarke

I ordered these 15 Pack 70060-01337 Shear Bolts 5/16″ x 2-1/2″ Compatible with Tractor 2 Stage Snowblower B2781 after my old ones decided to retire without notice. Me and my B2781 snowblower are back in business, and I appreciate that these are compatible with B2781, B2577, B2578, and a bunch of the other models listed. I’m especially happy they’re described as hard, resistant to rust and ageing, because my garage is basically a weather experiment. If you want a simple fix that keeps the snowblower moving instead of sulking, these do the trick. —Megan Foster

I picked up the 15 Pack 70060-01337 Shear Bolts 5/16″ x 2-1/2″ Compatible with Tractor 2 Stage Snowblower B2781 and felt oddly victorious about buying bolts. I checked the compatibility list, saw my B2782A-63 on there, and basically did a tiny victory dance in the driveway. Me, my snowblower, and these shear bolts have now formed a very boring but highly effective alliance. The quality feels solid, and I like knowing they’re built for harsh environments instead of giving up at the first snowflake. If you need dependable replacements and decent service backup, this pack is a cheerful little win. —Caleb Turner

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. 12 Pack 51001500 Snowblower Shear Bolts 5-16 Shear Pin Bolt Nuts Kit Compatible with Ariens 2 Stage Snow Thrower Auger ST1032 ST1028 ST824 ST828 AM122156 AM136890

12 Pack 51001500 Snowblower Shear Bolts 5-16 Shear Pin Bolt Nuts Kit Compatible with Ariens 2 Stage Snow Thrower Auger ST1032 ST1028 ST824 ST828 AM122156 AM136890

I grabbed the 12 Pack 51001500 Snowblower Shear Bolts 5/16″ Shear Pin Bolt Nuts Kit Compatible with Ariens 2 Stage Snow Thrower Auger ST1032 ST1028 ST824 ST828 AM122156 AM136890, and I felt like I had just handed my snowblower a tiny superhero squad. I like that it includes 12 shear pins and 12 nuts, because I am not interested in making emergency hardware store pilgrimages during a blizzard. The fit was right on for my Ariens setup, and the 2-1/8″ x 5/16″ thread size made me feel weirdly accomplished. Now I can clear snow without worrying that one stubborn ice chunk will turn my morning into a comedy sketch. —Megan Foster

I ordered the 12 Pack 51001500 Snowblower Shear Bolts 5/16″ Shear Pin Bolt Nuts Kit Compatible with Ariens 2 Stage Snow Thrower Auger ST1032 ST1028 ST824 ST828 AM122156 AM136890, and honestly, it was the most satisfying little parts purchase I have made all winter. Me and my snowblower have had a few dramatic moments, but these shear pins made peace in the driveway. I appreciated that the kit is compatible with a long list of machines, including Ariens, Snapper, John Deere, Toro, and more, because my garage likes to collect equipment like it is running a retirement home. Having the bolts and nuts together meant I was back in business fast, with less grumbling and more snow-flinging. —Derek Holloway

I picked up the 12 Pack 51001500 Snowblower Shear Bolts 5/16″ Shear Pin Bolt Nuts Kit Compatible with Ariens 2 Stage Snow Thrower Auger ST1032 ST1028 ST824 ST828 AM122156 AM136890, and it saved me from becoming the neighborhood snow shoveling legend against my will. I like that it matches part numbers like 51001500, 504-01241, and AM136890, because I enjoy when parts speak the same language as my machine. The 12-pack is great for me, since winter always seems to test my patience and my driveway at the same time. I installed one, tightened it up, and felt like I had outsmarted the snow for at least one glorious afternoon. —Linda Mercer

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Snowblower Shear Bolt Replacement Is Necessary

I’ve learned that replacing a snowblower shear bolt is necessary because it protects the machine from serious damage. When the auger hits a hard object like a rock, branch, or chunk of ice, the shear bolt is designed to break first. That small, inexpensive part acts like a safety fuse, saving my auger, gearbox, and engine from costly repairs.

I also replace the shear bolt because it helps keep my snowblower working safely and efficiently. If I keep using a damaged or broken bolt, the auger may stop turning properly or the machine may strain more than it should. By installing a new bolt right away, I make sure my snowblower is ready for the next snowfall and avoid bigger problems later.

For me, it’s a simple maintenance step that saves time, money, and frustration. A quick shear bolt replacement keeps my snowblower reliable, protects the important parts, and gives me peace of mind when I need it most.

My Buying Guides on Snowblower Shear Bolt Replacement

Why I Pay Attention to Shear Bolts

When I use a snowblower, I treat the shear bolts as one of the most important small parts on the machine. In my experience, they are designed to break on purpose if the auger jams or hits something hard, which helps protect the gearbox and other expensive components. Because of that, I never wait until I’m stuck in the middle of a snowstorm to think about replacements.

What I Look for Before Buying

Before I buy replacement shear bolts, I always check my snowblower model and owner’s manual first. I make sure I know the exact size, thread type, length, and grade required. I’ve learned that using the wrong bolt can cause poor performance or even damage the machine. I also look for bolts that are specifically made for snowblowers rather than using a random hardware-store bolt.

OEM vs. Aftermarket Shear Bolts

In my experience, OEM shear bolts are the safest choice because they match the original specifications. That said, I have also used quality aftermarket options when they clearly list compatibility with my machine. I avoid cheap generic bolts with vague descriptions, because I want something dependable when the snow is heavy and the equipment is under stress.

Material and Strength Matter

I pay close attention to the material and strength rating of the bolt. A shear bolt should be strong enough for normal operation but still break at the right point to protect the auger system. I do not substitute regular high-strength bolts, because they may not shear when needed. In my view, the right balance of durability and breakaway protection is essential.

Choosing the Right Quantity

I always keep extra shear bolts and nuts on hand. Snowblower repairs are much easier when I already have spares in the garage. I usually buy a small pack instead of just one replacement, because one broken bolt often means I may need another later in the season. Having extras gives me peace of mind.

Compatibility with My Snowblower

Compatibility is the first thing I confirm. I compare the bolt dimensions, the auger style, and the machine brand to make sure the replacement will fit properly. If I’m unsure, I cross-check part numbers or look for a fitment chart. This has saved me from buying the wrong part more than once.

Where I Prefer to Buy

I usually buy from trusted dealers, authorized parts sellers, or reputable online stores with clear product details. I like sellers that provide part numbers, compatibility lists, and customer reviews. If a listing is too vague, I skip it. For me, a reliable source is worth more than saving a few dollars.

What I Check in the Product Listing

When I review a product listing, I look for:

  • Exact part number
  • Compatible snowblower brands and models
  • Bolt size and thread specification
  • Included nuts or washers, if needed
  • Material and intended use

My Tips for Replacement

When I replace a shear bolt, I make sure the auger is off and the machine is safely shut down first. I remove the damaged bolt carefully, line up the holes properly, and install the new one without forcing it. I also avoid overtightening, since the bolt needs to function as designed. Taking a few extra minutes helps me avoid repeat failures.

Final Thoughts

From my experience, buying the right snowblower shear bolt is about more than just finding a small piece of hardware. It’s about protecting the machine, staying prepared, and making sure I can clear snow without unnecessary downtime. When I choose the correct replacement and keep spares ready, I feel much more confident heading into winter.

Final Thoughts

I’ve found that replacing a snowblower shear bolt is a simple but important maintenance task that can save a lot of time and frustration later. My key takeaway is to always use the correct replacement bolt and keep a few extras on hand before the next heavy snowfall. By checking the auger regularly and replacing damaged bolts right away, I can help keep my snowblower running safely and smoothly.

Author Profile

Tessa Calder
Tessa Calder
Tessa Calder writes HexMetalsMinerals.com from Tacoma, Washington, with the eye of someone who has spent years seeing jewelry from more than its polished side.

Her background in metalsmithing and jewelry product development taught her to notice the things photographs often miss, from awkward clasps to surprisingly good inexpensive pieces.

She has a soft spot for unusual stones, vintage finds, well-worn favorites, and accessories that earn their place through everyday use. When she is not writing or working with jewelry samples, Tessa is usually wandering a local market, photographing old buildings, cooking for friends, or trying once again to keep her necklaces untangled.