Looking for the best Sten replacement parts? We’ve curated a list of 10 top-quality parts to keep your equipment running smoothly, with clear descriptions and expert recommendations to guide your choice.
Keeping your Sten equipment running smoothly is essential for any homeowner or professional. Whether you’re maintaining a lawn mower, pump, or tractor, having the right replacement parts makes all the difference. We’ve gathered the best Sten replacement parts to help you tackle any repair with ease.
From pump tubes to carburetors, safety switches, and spindle assemblies, these parts are designed for durability and perfect compatibility. Each product is tested for reliability, ensuring your equipment performs at its best. Say goodbye to downtime and hello to efficient, long-lasting solutions.
Explore our guide to find the perfect match for your Sten equipment. With clear descriptions and expert recommendations, you’ll feel confident in every choice. Let’s get started!
List of Top 10 Sten Replacement Parts
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Pump Tube Replacement for Sten-ner MCCP202 Pump Tube #2, 0-100 Psi / 0-6.9 Bar, Fits All Classic, 45, 85, Single Head, SVP, and M128 Pumps, 5 Pack |
This pump tube replacement is perfect for anyone who owns a Sten-ner pump from the Classic, 45, 85, SVP, or M128 series. It’s ideal for quick repairs to keep your pump running smoothly. |
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CHAR YONG Pump Tube Replacement for Sten-ner Pump Parts MCCP202 Pump Tube #2 Fit Classic 85Mhp17,45Mhp10,Single Head,SVP & S Series Pumps,0-100 Psi (5 Pack) |
This pump tube replacement is perfect for anyone with a Sten-ner pump needing a reliable, durable fix. It’s easy to install and works with many pump models, saving you time and hassle. |
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Earthtec 5-Pack MCCP205 NO.5 (#5) Replacement for Sten-ner Peristaltic Metering Pump Tube Parts Fits All Classic,SVP M128 85mhp17 45m5 45 85 100 & 170 Series with UCAK200 Ferrule (10 Pack) |
This product is perfect for anyone who needs a reliable replacement for their Stenner peristaltic metering pump. It’s easy to install and works seamlessly with Classic, SVP, and S Series pumps. |
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Stens 520-347 Carburetor Compatible With/Replacement For Toro 20372, 20373, 20374, 20380, 20381, 20383 and 20384 Recycler and Super Recycler mowers 121-0373 |
This Stens carburetor is perfect for Toro mower owners who need a reliable replacement part. It’s ideal for models 20372, 20373, 20374, 20380, 20381, 20383, and 20384, ensuring smooth performance for your Recycler or Super Recycler mower. |
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Stens Safety Switch 430-403 Replacement for Black & Decker Various Electric Corded Lawn mowers 681064-01 |
This Stens Safety Switch is perfect for anyone with a Black & Decker or Craftsman electric lawn mower needing a reliable replacement part. It’s easy to install and keeps your mower running safely. |
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Stens 285-300 Mower Spindle Assembly, Fits Zero Turn Lawn Mower and Lawn Sweeper Tow Behind Machines, Replacement for Ariens and Gravely Mower Parts, 6.7/8 Inches, Black |
This Stens 285-300 Mower Spindle Assembly is perfect for anyone with a zero-turn lawn mower or lawn sweeper needing a reliable replacement part. It’s ideal for DIYers and professionals who want smooth, even mowing and trustworthy performance. |
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Nbwoal Starter Pinion Gear 695708 ,16 Teeth Starter Drive Gears Fits Briggs & Stratton Engine 280104S 280104 693059 693058 ,for Toro M83184 Lawn Tractor Mower Replacement Parts (10 Pack) |
This starter pinion gear is perfect for anyone who needs to replace worn-out parts on their Toro lawn tractor mower or Briggs & Stratton engine. It’s ideal for DIY repairs and fits many models, making it a great choice for saving time and money. |
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Stens 266-285 OEM Replacement Belt Compatible with/Replacement for Toro 20199, 20975, 20976, 20977, 20978, 21199, 21199HD, 21810, 21200, 22200 and 22205TE Model Timemaster Lawn mowers 121-5765,Black |
This Stens 266-285 OEM Replacement Belt is perfect for anyone with a Toro Timemaster lawn mower who needs a reliable, brand-new drive belt. It’s easy to install and fits multiple models, making it a great choice for keeping your mower running smoothly. |
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Stens New Spindle Assembly 285-111 Compatible with/Replacement for John Deere AM126225 |
This Stens New Spindle Assembly is perfect for anyone with a John Deere riding lawn mower or Sabre model needing a reliable replacement part. It’s easy to install and fits many popular models, saving you time and money. |
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Stens OEM Replacement Belt 265-865 for Scag 483172 |
This Stens OEM Replacement Belt is perfect for anyone who needs a reliable replacement for their Scag 483172 belt. It’s ideal for small engine outdoor power equipment, ensuring your machine runs smoothly. |
Detailed Reviews
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1. Pump Tube Replacement for Sten-ner MCCP202 Pump Tube #2, 0-100 Psi / 0-6.9 Bar, Fits All Classic, 45, 85, Single Head, SVP, and M128 Pumps, 5 Pack

Replace your pump tube with ease using this 5-pack designed for Sten-ner MCCP202 models. It fits all Classic, 45, 85, single head, SVP, and M128 pumps. Each pack includes 10 ferrules for a complete setup.
Enjoy reliable performance with 0-100 Psi / 0-6.9 Bar pressure handling. Works with Classic 45 Series for 10 gal/day output and Classic 85 Series for 17 gal/day output. Compatible with multiple model numbers for versatility.
Rest easy with good service included. Contact us anytime for quick replies within 24 hours. We’re here to help with any questions.
| Pros | Cons |
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Perfect For:
This pump tube replacement is perfect for anyone who owns a Sten-ner pump from the Classic, 45, 85, SVP, or M128 series. It’s ideal for quick repairs to keep your pump running smoothly.
Ready to Purchase?
2. CHAR YONG Pump Tube Replacement for Sten-ner Pump Parts MCCP202 Pump Tube #2 Fit Classic 85Mhp17,45Mhp10,Single Head,SVP & S Series Pumps,0-100 Psi (5 Pack)

Need a reliable replacement for your Sten-ner pump? The CHAR YONG Pump Tube fits Classic, 45, 85, 100, 170, SVP, BDF, S, and M128 Series pumps. It’s a perfect match for your needs.
This 5-pack includes 5 Santoprene tubes and 10 ferrules. Made from durable, flexible material, it ensures long-lasting performance. Easy to install, built to last.
| Pros | Cons |
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Perfect For:
This pump tube replacement is perfect for anyone with a Sten-ner pump needing a reliable, durable fix. It’s easy to install and works with many pump models, saving you time and hassle.
Ready to Purchase?
3. Earthtec 5-Pack MCCP205 NO.5 (#5) Replacement for Sten-ner Peristaltic Metering Pump Tube Parts Fits All Classic,SVP M128 85mhp17 45m5 45 85 100 & 170 Series with UCAK200 Ferrule (10 Pack)

The Earthtec MCCP205 No. 5 pump tube is a direct replacement for Stenner peristaltic metering pumps. It fits all Classic, SVP, and S Series models, ensuring a perfect match for your system.
This tube offers precise metering, complete isolation, and safety. It stops flow when the pump stops, acting like a closed valve. Its upgraded rubber material resists wear and maintains shape.
Installation is quick and easy, with YouTube videos available for guidance. The tube handles 0 to 100 psi and solves common issues like leaks and uncontrolled flow.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone who needs a reliable replacement for their Stenner peristaltic metering pump. It’s easy to install and works seamlessly with Classic, SVP, and S Series pumps.
Ready to Purchase?
4. Stens 520-347 Carburetor Compatible With/Replacement For Toro 20372, 20373, 20374, 20380, 20381, 20383 and 20384 Recycler and Super Recycler mowers 121-0373

The Stens 520-347 Carburetor is a reliable replacement part for your Toro mower. It fits specific models, so check your engine details. This part is made by an OEM supplier, ensuring quality.
This carburetor is not for use with fuel containing more than 10% ethanol. It’s designed to work with Toro Recycler and Super Recycler mowers, keeping them running smoothly.
Stens parts are trusted by professionals for OEM-quality repairs. The Stens name is a mark of genuine quality, so you know you’re getting a dependable product.
| Pros | Cons |
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Perfect For:
This Stens carburetor is perfect for Toro mower owners who need a reliable replacement part. It’s ideal for models 20372, 20373, 20374, 20380, 20381, 20383, and 20384, ensuring smooth performance for your Recycler or Super Recycler mower.
Ready to Purchase?
5. Stens Safety Switch 430-403 Replacement for Black & Decker Various Electric Corded Lawn mowers 681064-01

The Stens Safety Switch 430-403 is a brand-new replacement for Black & Decker electric lawn mowers. It fits models with the part number 681064-01.
This genuine Stens part is designed for Craftsman and Black & Decker mowers. It’s a 4-terminal electronic switch that ensures safe operation.
Lightweight and compact, it measures 5.43 x 3.58 x 1.69 inches. Weighs just 0.1 pounds and comes in a single-item package.
| Pros | Cons |
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Perfect For:
This Stens Safety Switch is perfect for anyone with a Black & Decker or Craftsman electric lawn mower needing a reliable replacement part. It’s easy to install and keeps your mower running safely.
Ready to Purchase?
6. Stens 285-300 Mower Spindle Assembly, Fits Zero Turn Lawn Mower and Lawn Sweeper Tow Behind Machines, Replacement for Ariens and Gravely Mower Parts, 6.7/8 Inches, Black

The Stens 285-300 Mower Spindle Assembly brings your zero-turn mower back to life. It’s heavy-duty and ensures smooth, even mowing. Perfect for Ariens and Gravely models.
Fits 6.7/8 inches and includes mounting bolts. Replaces OEM numbers for easy installation.
Backed by a 1-year warranty, this quality part is trusted by professionals. Keep your yard looking great with Stens.
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Perfect For:
This Stens 285-300 Mower Spindle Assembly is perfect for anyone with a zero-turn lawn mower or lawn sweeper needing a reliable replacement part. It’s ideal for DIYers and professionals who want smooth, even mowing and trustworthy performance.
Ready to Purchase?
7. Nbwoal Starter Pinion Gear 695708 ,16 Teeth Starter Drive Gears Fits Briggs & Stratton Engine 280104S 280104 693059 693058 ,for Toro M83184 Lawn Tractor Mower Replacement Parts (10 Pack)

The Nbwoal Starter Pinion Gear is a must-have replacement part for your lawn tractor or mower. It comes in a convenient 10-pack, ensuring you have spares on hand. This gear is specifically designed for Briggs & Stratton engines.
This product is highly compatible with various models and brands. It fits Toro, Cub Cadet, John Deere, and more, making it a versatile choice. Always check your model before purchasing to ensure a perfect match.
Safety first! Remember to turn off all power and wear gloves when repairing. This simple step ensures a safe and smooth maintenance process.
| Pros | Cons |
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Perfect For:
This starter pinion gear is perfect for anyone who needs to replace worn-out parts on their Toro lawn tractor mower or Briggs & Stratton engine. It’s ideal for DIY repairs and fits many models, making it a great choice for saving time and money.
Ready to Purchase?
8. Stens 266-285 OEM Replacement Belt Compatible with/Replacement for Toro 20199, 20975, 20976, 20977, 20978, 21199, 21199HD, 21810, 21200, 22200 and 22205TE Model Timemaster Lawn mowers 121-5765,Black

Keep your lawn mower running smoothly with the Stens 266-285 OEM Replacement Belt. This brand-new drive belt is compatible with Toro models, ensuring a perfect fit for your Timemaster lawn mower. It’s easy to install and built to last.
The Genuine Stens Part # 266-285 is designed for durability and reliable performance. Its compact packaging measures 12.9 L x 3.23 W x 0.51 H inches and weighs just 0.19 pounds, making it convenient to handle. Each package includes one mechanical belt, ready for use.
This replacement belt is ideal for Exmark and Toro models, including 20199, 20975, and more. It’s a cost-effective solution to maintain your lawn mower’s efficiency. Trust Stens for quality and compatibility.
| Pros | Cons |
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Perfect For:
This Stens 266-285 OEM Replacement Belt is perfect for anyone with a Toro Timemaster lawn mower who needs a reliable, brand-new drive belt. It’s easy to install and fits multiple models, making it a great choice for keeping your mower running smoothly.
Ready to Purchase?
9. Stens New Spindle Assembly 285-111 Compatible with/Replacement for John Deere AM126225

The Stens New Spindle Assembly 285-111 is a reliable replacement for your lawn mower. It works with John Deere models like the LT160 and LT180. This part also fits Scotts S1642 and S1742 mowers.
It replaces OEM part numbers like AM121324 and AM126225. The spindle assembly includes a 5 1/2-inch pulley. This makes it a complete solution for your mower.
This spindle assembly is easy to install. It ensures your mower runs smoothly and efficiently. Trust Stens for quality and durability.
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Perfect For:
This Stens New Spindle Assembly is perfect for anyone with a John Deere riding lawn mower or Sabre model needing a reliable replacement part. It’s easy to install and fits many popular models, saving you time and money.
Ready to Purchase?
10. Stens OEM Replacement Belt 265-865 for Scag 483172

The Stens OEM Replacement Belt 265-865 is a reliable and durable solution for your outdoor power equipment. It is specifically designed to replace the Scag 483172 belt. This belt is perfect for small engines.
It is made to OEM specs, ensuring a perfect fit. The package weighs only 0.55 pounds. This makes it easy to handle and install.
This replacement belt is a great choice for maintaining your equipment. It will keep your machine running smoothly. Trust the Stens OEM Replacement Belt for optimal performance.
| Pros | Cons |
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Perfect For:
This Stens OEM Replacement Belt is perfect for anyone who needs a reliable replacement for their Scag 483172 belt. It’s ideal for small engine outdoor power equipment, ensuring your machine runs smoothly.
Ready to Purchase?
Buying Guide
Keeping your Sten equipment in top shape is easy with the right parts. We’ve put together a guide to help you find the best Sten replacement parts for your needs.
Factors to Consider When Buying Sten Replacement Parts:
- Compatibility: Make sure the part fits your specific Sten model. Check the product description for details on which models it works with.
- Durability: Look for parts made from high-quality materials to ensure they last longer and perform well.
- Ease of Installation: Choose parts that are easy to install, especially if you’re doing the repair yourself.
- Reliability: Opt for parts that are tested for performance to avoid frequent replacements.
- Price: Compare prices to find a balance between quality and affordability.
- Warranty: Check if the part comes with a warranty for added peace of mind.
- Customer Support: Look for sellers offering good service and quick replies to any questions.
With these tips, you’ll find the perfect Sten replacement parts to keep your equipment running smoothly. Happy repairing!