Spindle Assembly & Idlers

Why Choose Genuine Bad Boy Parts?

Using genuine Bad Boy Mower replacement parts ensures your equipment runs as designed, minimizing downtime and maximizing performance. The 039-6945-17 Deck Idler Assembly is a direct replacement, offering reliability and peace of mind.

Maintenance Tips:

• Regularly inspect your mower’s deck components for signs of wear and tear.

• Ensure proper lubrication and cleaning to maximize the lifespan of your idler assembly.

• Replace worn or damaged parts promptly to avoid further complications.

Bad Boy Part Number 039-2127-17 - 2018-2024 Deck Hanger Assy.

The Bad Boy Part Number 039-2127-17 is a high-quality Deck Hanger Assembly specifically designed to fit Bad Boy mower models produced between 2018 and 2024. This essential replacement part ensures the proper alignment and functionality of your mower deck, enabling a smooth and even cut every time.

It is crucial to ensure that Bad Boy Part Number 039-2127-17 - 2018-2024 Deck Hanger Assy is compatible with your specific mower model. Please use the "Models Used On" section below to verify compatibility before purchasing.

Bad Boy Part Number 037-6015-50 - Spindle Assembly

Maintain the peak performance of your Bad Boy mower with the Bad Boy Part Number 037-6015-50, a high-quality spindle assembly designed for durability and precision. As a critical component of your mower’s cutting system, this spindle assembly ensures smooth and efficient blade operation, delivering a flawless mowing experience.

To ensure Part Number 037-6015-50 - Spindle Assembly is compatible with your Bad Boy Mower, it’s crucial to verify the fit. Compatibility depends on the mower model and series.

Check the "Models Used On" section below for a list of specific models compatible with this spindle assembly.

Don’t let a worn-out spindle slow you down. Replace it with Part Number 037-6015-50 - Spindle Assembly to restore your mower's peak performance. With quality engineering and a perfect fit, this part ensures your mower stays ready to tackle any job.

Order now and keep your Bad Boy Mower in top shape!

Bad Boy Mowers Part 037-9050-00 Collar Spacer – Top of Spindle

Ensure your Bad Boy Mower continues to perform at its best with the Bad Boy Part Number 037-9050-00 Collar Spacer – Top of Spindle. This high-quality OEM replacement part is designed to provide precision and durability, supporting your mower's spindle assembly and maintaining optimal functionality for smooth and efficient mowing.

The Bad Boy Part Number 037-9050-00 Collar Spacer – Top of Spindle is a crucial component that ensures smooth and precise spindle operation, contributing to your mower's overall performance. With its OEM quality and durable design, this replacement part will keep your Bad Boy Mower functioning like new.

Order your 037-9050-00 Collar Spacer today to maintain your mower’s efficiency and extend its lifespan, ensuring you get the best results on every mow.

037-6023-00 - Obsolete - USE PART #037-6029-00

Bad Boy Mowers Part 037-8050-00 Tube Spacer – Genuine OEM Replacement for Spindle Shaft

Ensure the smooth operation of your Bad Boy Mower with the Bad Boy Part Number 037-8050-00 Tube Spacer for Spindle Shaft. This essential OEM replacement part is designed for precise alignment and support of the spindle shaft, ensuring optimal performance and extended mower life.

The Bad Boy Part Number 037-8050-00 Tube Spacer for Spindle Shaft is an essential component for maintaining the alignment and performance of your mower’s spindle assembly. Designed with OEM precision and durability, this part ensures your mower operates smoothly for a professional-quality cut every time.

Order your 037-8050-00 Tube Spacer today and refer to the "Models Used On" section below to confirm compatibility with your Bad Boy Mower.

037-6017-50 - Compact Outlaw / Maverick / Walkbehind / ZT & 2007 Pup Aluminum Spindle Housing

037-6023-00 - Obsolete - USE PART #037-6029-00

Bad Boy Part Number 037-8002-00 - Dust Cover for Spindle Assemblies

Protect your mower’s spindle assemblies from dirt, debris, and wear with the Bad Boy Part Number 037-8002-00 - Dust Cover. Designed for use with spindle assemblies 037-4000-00 and 037-6015-50, this genuine OEM part ensures optimal performance and extended lifespan for your mower components.

Compatibility

The Bad Boy Dust Cover (037-8002-00) is compatible with spindle assemblies 037-4000-00 and 037-6015-50, making it a critical component for maintaining these systems in optimal condition. See models used on below for a comprehensive list of where this cover is used.

Bad Boy Mower Part Number 037-6026-00 – Short Spindle Shaft (No Grooved Shaft)

The Bad Boy Mower Part Number 037-6026-00 – Short Spindle Shaft is a critical component for maintaining your mower's cutting efficiency and performance. Designed without a grooved shaft, this spindle shaft provides a precise and durable solution for select Bad Boy mower models. Whether you're replacing a worn-out part or performing routine maintenance, this genuine OEM spindle shaft ensures your mower delivers the consistent, high-quality cuts you expect.

When it comes to keeping your mower in peak condition, the Bad Boy Mower Part Number 037-6026-00 – Short Spindle Shaft is the ideal replacement part for select Bad Boy models. Its durable, no-groove design and OEM quality ensure reliable performance and a precise fit.

Before ordering, double-check the “Models Used On” section above to verify compatibility with your mower. Upgrade your spindle shaft today and get back to enjoying the powerful performance and sharp cuts that Bad Boy mowers are known for.

Bad Boy Part Number 018-6012-00 - 3/8 x 1 1/2 Bolt

When it comes to keeping your Bad Boy mower in top shape, even the smallest components make a big difference. The Bad Boy Mower Part Number 018-6012-00 – 3/8 x 1 1/2 Bolt is a genuine OEM part designed for strength, durability, and reliability. Whether you’re performing routine maintenance or replacing a worn-out bolt, this part ensures your mower stays secure and functional.

The Bad Boy Part Number 018-6012-00 - 3/8 x 1 1/2 Bolt is a high-quality replacement part designed to keep your Bad Boy mower performing at its best. Built with durability in mind, this bolt is precision-engineered to meet the demanding needs of heavy-duty lawn equipment. Whether you're repairing, upgrading, or maintaining your mower, this bolt ensures secure and reliable assembly, helping you tackle any job with confidence.

It’s important to ensure that the Bad Boy Mower Part Number 018-6012-00 – 3/8 x 1 1/2 Bolt is the right fit for your specific mower model. Please refer to the “Models Used On” section below to verify compatibility. Using the correct parts helps maintain your mower’s safety, performance, and overall durability.

039-2127-00 - Deck Hanger

Bad Boy Part Number 013-5201-00 - 3/8-16 Hex Flange Nuts Zinc w/ Serrations

If you're looking for a reliable and durable fastener, Bad Boy Part Number 013-5201-00 - 3/8-16 Hex Flange Nuts Zinc w/ Serrations is the perfect solution for your equipment. Built to last and engineered for superior performance, this part ensures your machinery stays in optimal working condition.

Compatibility Note

To ensure the proper fit and functionality of part number 013-5201-00, verify your equipment by checking the "Models Used On" section below. Compatibility is crucial for optimal performance and safety.

Bad Boy Part Number 013-5202-00 - 3/8 Nylock Flange Nut

The Bad Boy 013-5202-00 3/8 Nylock Flange Nut is a high-quality, durable component designed for your machine's assembly needs. This specific flange nut comes equipped with a built-in nylon insert that helps prevent loosening due to vibrations. It's an essential part for ensuring secure connections in various mechanical applications.

Genuine Bad Boy replacement parts are designed to deliver optimal performance and prolong the lifespan of your equipment. Using authentic parts like the 3/8 Nylock Flange Nut ensures precise fitment, fewer breakdowns, and better results for every job.

Before purchasing the Bad Boy 013-5202-00 3/8 Nylock Flange Nut, be sure to reference the Models Used On section below. This will help you confirm that the part is compatible with your specific machine or vehicle.

Bad Boy Part Number 013-8050-00 - 1/2-13 Nylon Insert Flange Nut

Ensure secure and reliable fastening for your Bad Boy mower with Bad Boy Part Number 013-8050-00, a 1/2-13 nylon insert flange nut. Designed for durability and precision, this high-quality component is a must-have for maintaining the performance and safety of your equipment.

Applications

This 1/2-13 nylon insert flange nut is compatible with various Bad Boy mower models and components. Refer to your mower’s manual or see models used below to confirm compatibility with Part Number 013-8050-00.

Bad Boy Part Number 039-6945-00: Idler Arm Bracket for Reliable Performance

The Bad Boy 039-6945-00 Idler Arm Bracket is a critical component designed to maintain proper tension and alignment within your mower’s belt system. Crafted for durability and precision, this idler arm bracket ensures smooth operation, reducing wear on your belts and extending the lifespan of your mower’s drive system. Whether you're replacing a worn-out bracket or performing routine maintenance, the 039-6945-00 Idler Arm Bracket is built to keep your Bad Boy mower running at peak efficiency.

To ensure compatibility with your Bad Boy mower, please refer to the Models Used On section below before purchasing. 

If your mower requires a replacement idler arm bracket, the 039-6945-00 Idler Arm Bracket is the ideal solution to keep your equipment running smoothly.

Bad Boy Part Number 033-8050-00 - 5" Split Idler Pulley

Maintain your mower's optimal performance with the Bad Boy 033-8050-00 5" Split Idler Pulley. This genuine OEM part is crafted for reliability and precision, ensuring smooth belt operation and extended equipment life.

Models Used On

IMPORTANT: Before purchasing, please refer to the "Models Used On" section below to confirm compatibility with your Bad Boy mower. Compatibility is crucial for proper fit and performance.

Bad Boy Mower 025-5203-00 - Spacer

Enhance the performance and longevity of your Bad Boy Mower with the Bad Boy Mower 025-5203-00 - Spacer. This high-quality spacer helps maintain proper alignment, reducing friction and extending the life of critical mower components. Whether you’re a dedicated landscaper or a proud homeowner, this spacer offers the dependable support your mower needs.

Before purchasing, please verify compatibility by reviewing the Models Used On section below. Ensuring you have the correct part for your specific mower model helps maintain optimal performance and prevents fitment issues.

The Bad Boy Mower 025-5203-00 - Spacer is an essential component for maintaining your mower’s efficiency and performance. With its high-quality construction and precise fit, this spacer offers long-lasting support for critical parts of your mower. Remember to double-check the “Models Used On” section above to ensure compatibility, and enjoy the peace of mind that comes with a reliable, smoothly operating Bad Boy Mower.

Bad Boy Part Number 018-6036-00: 1/2-13 X 2-3/4 GR 5 Bolt Zinc

Keep your Bad Boy mower running smoothly and securely with the Bad Boy Part Number 018-6036-00 - 1/2-13 X 2-3/4 GR 5 Bolt Zinc. This high-quality bolt is an essential hardware component, designed for strength and durability in demanding mowing conditions.

Applications

The Bad Boy 018-6036-00 Bolt is designed for use in various fastening applications across Bad Boy mower models. Whether you're replacing worn hardware or performing routine maintenance, this bolt ensures a secure and reliable connection. See models used on below for compatilbility with your model.

Bad Boy Part Number 013-8050-00 - 1/2-13 Nylon Insert Flange Nut

Ensure secure and reliable fastening for your Bad Boy mower with Bad Boy Part Number 013-8050-00, a 1/2-13 nylon insert flange nut. Designed for durability and precision, this high-quality component is a must-have for maintaining the performance and safety of your equipment.

Applications

This 1/2-13 nylon insert flange nut is compatible with various Bad Boy mower models and components. Refer to your mower’s manual or see models used below to confirm compatibility with Part Number 013-8050-00.

Bad Boy Part Number 033-8050-00 - 5" Split Idler Pulley

Maintain your mower's optimal performance with the Bad Boy 033-8050-00 5" Split Idler Pulley. This genuine OEM part is crafted for reliability and precision, ensuring smooth belt operation and extended equipment life.

Models Used On

IMPORTANT: Before purchasing, please refer to the "Models Used On" section below to confirm compatibility with your Bad Boy mower. Compatibility is crucial for proper fit and performance.

Bad Boy Part Number 039-6945-00: Idler Arm Bracket for Reliable Performance

The Bad Boy 039-6945-00 Idler Arm Bracket is a critical component designed to maintain proper tension and alignment within your mower’s belt system. Crafted for durability and precision, this idler arm bracket ensures smooth operation, reducing wear on your belts and extending the lifespan of your mower’s drive system. Whether you're replacing a worn-out bracket or performing routine maintenance, the 039-6945-00 Idler Arm Bracket is built to keep your Bad Boy mower running at peak efficiency.

To ensure compatibility with your Bad Boy mower, please refer to the Models Used On section below before purchasing. 

If your mower requires a replacement idler arm bracket, the 039-6945-00 Idler Arm Bracket is the ideal solution to keep your equipment running smoothly.

Bad Boy Part Number 018-6036-00: 1/2-13 X 2-3/4 GR 5 Bolt Zinc

Keep your Bad Boy mower running smoothly and securely with the Bad Boy Part Number 018-6036-00 - 1/2-13 X 2-3/4 GR 5 Bolt Zinc. This high-quality bolt is an essential hardware component, designed for strength and durability in demanding mowing conditions.

Applications

The Bad Boy 018-6036-00 Bolt is designed for use in various fastening applications across Bad Boy mower models. Whether you're replacing worn hardware or performing routine maintenance, this bolt ensures a secure and reliable connection. See models used on below for compatilbility with your model.

Bad Boy Mower 025-5203-00 - Spacer

Enhance the performance and longevity of your Bad Boy Mower with the Bad Boy Mower 025-5203-00 - Spacer. This high-quality spacer helps maintain proper alignment, reducing friction and extending the life of critical mower components. Whether you’re a dedicated landscaper or a proud homeowner, this spacer offers the dependable support your mower needs.

Before purchasing, please verify compatibility by reviewing the Models Used On section below. Ensuring you have the correct part for your specific mower model helps maintain optimal performance and prevents fitment issues.

The Bad Boy Mower 025-5203-00 - Spacer is an essential component for maintaining your mower’s efficiency and performance. With its high-quality construction and precise fit, this spacer offers long-lasting support for critical parts of your mower. Remember to double-check the “Models Used On” section above to ensure compatibility, and enjoy the peace of mind that comes with a reliable, smoothly operating Bad Boy Mower.

Bad Boy Part Number 039-6945-18 - Deck Idler Assembly

Keep your Bad Boy mower operating at peak performance with the Bad Boy Part Number 039-6945-18 - Deck Idler Assembly. This high-quality replacement part ensures smooth and efficient operation of your mower deck, extending the life of your equipment and delivering professional-grade results every time.

Whether you’re a homeowner or a professional landscaper, the 039-6945-18 Deck Idler Assembly is designed to provide durability and reliability. With its precision engineering, this part offers seamless functionality for consistent mowing performance.

To ensure this 039-6945-18 Deck Idler Assembly is compatible with your Bad Boy mower, it’s essential to check the "Models Used On" section below. Using the correct part number ensures optimal performance and avoids unnecessary returns or delays.