Super-duty upper and lower ball joints made from 300M steel, designed for extreme durability and performance.

300M Super Duty Upper and Lower Ball Joint

300M super duty ball joint for upper and lower ball joint replacement
Designed for off-road and UTV applications
Adjustable design for enhanced strength and durability
Stronger than OEM quality for long-lasting performance
Factory price with free catalog and instant quote

Product Details

【Product Overview】
The 300M Super Duty Upper and Lower Ball Joint is engineered for heavy-duty performance in off-road and UTV vehicles. Made from 300M steel, this ball joint offers enhanced strength, durability, and superior performance over standard OEM parts. Its adjustable design ensures that it meets the specific needs of your vehicle’s suspension system. Whether you’re tackling rough terrains or participating in off-road racing, these ball joints deliver the reliability and strength required for extreme conditions.

【Key Features】

Super Duty 300M Steel: Offers greater strength than OEM ball joints for off-road and UTV applications.
Adjustable Design: Customizable to suit a variety of vehicles and suspension setups.
Off-Road Performance: Perfect replacement for upper and lower ball joints in off-road and UTV vehicles.
Stronger Than OEM: Built to withstand the most demanding conditions and provide long-lasting durability.
Factory Pricing: Competitive pricing directly from the factory, with free catalog and instant quote.

【Applications】
Ideal for off-road vehicles, UTVs, and performance vehicles in need of a reliable and heavy-duty ball joint replacement.

【Ordering Information】
Get your 300M super duty ball joint today with free quotes and fast delivery worldwide.

Service Process

Step 1

Select Product

Step 2

Confirm MOQ

Step 3

Send Inquiry

Step 4

Send Your Drawing or Sample

Step 5

Start Customization

CNC Machining

Precision-machined components with tight tolerances, ideal for suspension and steering systems.

Full Series Products

From rod ends to sleeves, spacers, and studs—we cover all key components in your bump steer solution.

Highly Customized

Support for drawings, samples, special threads, and materials—engineered to fit your exact needs.

24hrs Support

Responsive sales & engineering team—your questions and requirements are our priority, anytime.

FAQ

⌄ Does this cover both upper and lower positions?

Yes, it's designed as a perfect replacement for both upper and lower ball joints.

⌄ What material is this made from?

300M steel, offering greater strength than OEM ball joints.

⌄ Is this design adjustable?

Yes, it's customizable to suit a variety of vehicles and suspension setups.

⌄ What vehicles is this suitable for?

Off-road vehicles and UTVs.

⌄ How does this compare to OEM ball joints?

It's built to withstand the most demanding conditions and provide long-lasting durability.

⌄ How do I get pricing?

Competitive pricing directly from the factory, with free catalog and instant quote.

What is your MOQ and lead time?

The MOQ is usually 50 pcs or a $500 minimum. Lead time is typically around 30–45 days. Regular parts are kept in stock at all times.

What types of products does SYZ Machine specialize in?

We focus on off-road parts, UTV/ATV parts, race car parts, motorcycle parts, carts/karts, and watercraft accessories, covering suspension, steering, drive, and vehicle body components.

How long has SYZ Machine been in the industry?

We were founded in 1999, with over 26 years of experience manufacturing high-quality vehicle parts and accessories.

Do you offer custom parts manufacturing?

Yes. We provide fully customized solutions for off-road and UTV/ATV parts, from design and sampling to full production.

What is your factory capacity?

Our 35,000 m² facility can produce more than 15,000 parts per day, ensuring stable supply for both small and large orders.

What Are Your Payment Terms?

We accept payment by wire transfer or PayPal. Common terms are 30% in advance and 70% upon delivery.

Special payment terms can be discussed as needed.

Which countries do you export to?

We have supplied vehicle accessories to clients in more than 20 countries, including the USA, Germany, Brazil, Canada, and Australia.

How do you ensure product quality?

We follow strict quality control at every stage, ensuring that our suspension, steering, and drive components meet global industry standards.

Can I request samples before placing a bulk order?

Yes. We provide sampling services so you can test and evaluate UTV/ATV parts or motorcycle parts before moving into mass production.

What are your typical lead times?

Lead times vary depending on the order size, but most off-road parts and accessories are ready within 30–45 days after confirmation.

Why Choose Us

26 Years Experience, 230,000 Sets Monthly Production Capacity

Are You Facing These Challenges?

What We Can Do!

[Competitive Pricing & Consistent Quality] No intermediaries—direct factory sourcing reduces your procurement costs. With a strict quality control system and efficient production, every batch meets stable and reliable standards.
[One-Stop Custom Manufacturing] From CNC-machined components to unique materials and thread types, we provide OEM-style customization with low MOQ, fast sampling, and consistent quality. Our engineering team is ready to support your special design needs.
[Reliable Delivery & Flexible Production] Automated production lines and flexible scheduling guarantee timely and accurate delivery, keeping your projects on track.
[Trusted by Global Industry Brands] For over 20 years, we’ve been the long-term manufacturing partner behind many performance and off-road brands—valued for our on-time delivery, deep industry experience, and consistent standards.
[End-to-End Professional Support] From inquiry to after-sales, our dedicated team ensures smooth, efficient communication and responsive service every step of the way.

About Us

SYZ Machine is a specialized manufacturer focusing on ATV/UTV, off-road, race car, motorcycle, golf cart, go kart, and watercraft components. Our product lines cover suspension, steering, drivetrain, and vehicle body parts, delivering solutions that combine competitive cost, high performance, and proven durability.

Our Manufacturer Advantage

20 Years+

Over 20 years of expertise in manufacturing precision CNC aluminum components.

OEM

Trusted OEM and aftermarket supplier serving global brands.

MOQ

Flexible Minimum Order Quantities (MOQ) and rapid prototyping capabilities.

One-Stop

Comprehensive services including design, machining, surface finishing, and assembly under one roof.

“SYZ Machine has been our trusted partner for years. Their off-road parts hold up to extreme conditions and always arrive on time. Quality and reliability are what keep us coming back.”

“We needed a consistent supplier for UTV/ATV parts, and SYZ Machine delivered. The sampling service helped us test new designs quickly, and the final products fit perfectly.”

“Their race car suspension parts are top-notch. We’ve noticed better performance and longer service life compared to other suppliers. SYZ Machine clearly understands motorsport demands.”

“We source motorcycle parts and vehicle accessories from SYZ Machine, and our customers love the durability. The team is responsive and professional, making international business smooth.”

“With over two decades of experience, SYZ Machine knows how to handle custom projects. From steering and drive components to large production runs, they’ve exceeded expectations every time.”