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4130 steel lower ball joint for Polaris ATV/UTV, providing strength and reliability for suspension systems.
SYZ-1030BJ Ball Joint 4130

Polaris ATV/UTV Lower Ball Joint Kit

  • Flexible MOQ
  • Sample Available
  • Efficient Delivery
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  • Heavy-duty Polaris ATV/UTV lower ball joint kit (SYZ-1030BJ)
  • Made from 4130 chromoly steel, zinc plated (yellow/silver)
  • Designed for lower suspension replacement
  • Wide Polaris ATV/UTV fitments (Ranger, Magnum, Xplorer, ACE, etc.)
  • OEM/ODM customization, factory price, worldwide shipping

Product Details

【SYZ-1030BJ Polaris ATV/UTV Lower Ball Joint Kit】
The SYZ-1030BJ Polaris ATV/UTV lower ball joint kit is built to deliver maximum strength and durability for off-road suspension systems. Manufactured from premium 4130 chromoly steel and finished with yellow or silver zinc plating, these ball joints provide superior resistance to wear and corrosion.

【Features】

  • Strong 4130 chromoly steel housing
  • Yellow/silver zinc plated for rust protection
  • Designed specifically for lower suspension joint replacement
  • Precision CNC-machined with strict quality control
  • Long service life for harsh off-road use

【Fitment Highlights】

Polaris

300 2×4 94-95,
300 4×4 94-95,

350L 2×4 93,
350L 4×4 93,

400L 2×4 94-95,
400L 4×4 94,

450 HO 2×4 MD 16,

Polaris

ACE 325 14-16,
ACE 325 EU 15,
ACE 500 17-18,
ACE 570 15-17,
ACE 570 EU 15,
ACE 900 EFI EPS 16,

ATP 330 4×4 04-05,
ATP 500 4×4 04-05,

ATV 500 Pro 02,

Polaris

Big Boss 250 4×6 89-92,
Big Boss 250 6×6 91-93,
Big Boss 300 6×6 94,
Big Boss 350L 6×6 93,
Big Boss 400L 6×6 94-97,
Big Boss 500 6×6 98-03,

Diesel 455 4×4 00-01,
Diesel 455 4×4 Built After 9/98 99,
Diesel 455 4×4 Built Before 9/98 99,

Forest 800 6×6 15,

Hawkeye 400 HO 2×4 12-14,

LSV ELECTRIC 4×4 11-12,

Polaris

PPS 500 6×6 02,

PTV Series 10 4×4 03,
PTV Series 10 6×6 03,

Worker 335 99,
Worker 500 4×4 00-02,
Worker 500 4×4 Built After 9/98 99,
Worker 500 4×4 Built Before 9/98 99,

Xpedition 325 00-02,
Xpedition 425 00-02,
Xplorer 250 4×4 00-02,

Xplorer 300 4×4 96-99,
Xplorer 400L 4×4 95-02,
Xplorer 500 97,

Xpress 300 96-99,
Xpress 400L 2×4 96-97

Polaris

Magnum 325 2×4 00-02,
Magnum 325 4×4 00-02,
Magnum 325 4×4 HDS 02,
Magnum 325 4×4 HDS AA 01,
Magnum 325 4×4 HDS FB 01,
Magnum 330 2×4 03-05,
Magnum 330 4×4 05,
Magnum 330 4×4 AA AB AC 03-04,
Magnum 330 4×4 FB 03-04,
Magnum 400L 6×6 96-97,
Magnum 425 2×4 95-98,
Magnum 425 4×4 95-98,
Magnum 425 6×6 96-97,
Magnum 500 2×4 HDS 02,
Magnum 500 4×4 00-01,
Magnum 500 4×4 AA 02,
Magnum 500 4×4 AB/FB 02,
Magnum 500 4×4 Built After 9/11/98 99,
Magnum 500 4×4 Built Before 9/11/98 99,
Magnum 500 4×4 HDS 03,
Magnum 500 4×4 HDS AA 01-02,
Magnum 500 4×4 HDS FB 01,

Polaris

Ranger 2×4 500 05-09,
Ranger 2×4 500 Built After 1/15/07 07,
Ranger 2×4 500 Built After 8/28/06 07,
Ranger 2×4 500 Built Before 1/15/07 07,
Ranger 2×4 500 Built Before 8/28/06 07,
Ranger 4×4 400 10-14,
Ranger 4×4 500 99-06,
Ranger 4×4 500 Built After 1/15/07 07,
Ranger 4×4 500 Built After 8/28/06 07,
Ranger 4×4 500 Built Before 1/15/07 07,
Ranger 4×4 500 Built Before 8/28/06 07,
Ranger 4×4 500 Crew 11-13,
Ranger 4×4 500 EFI 06-13,
Ranger 4×4 500 EFI Built After 8/28/06 07,
Ranger 4×4 500 EFI Built Before 8/28/06 07,
Ranger 4×4 700 05-08,
Ranger 4×4 700 Built After 1/15/07 07,
Ranger 4×4 700 Built Before 1/15/07 07,
Ranger 4×4 700 Crew 08-09,
Ranger 4×4 800 EFI MIDSIZE 13-14,
Ranger 500 2WD 17-18,
Ranger 500 ETX 17,
Ranger 570 14-18,
Ranger 570 Crew 14-18,
Ranger 570 Full Size 17-18,
Ranger 570 INTL 14,
Ranger 570-6 Full Size Crew 16-18,
Ranger 6×6 500 99-05,
Ranger 6×6 700 EFI 06-09,
Ranger EV 4×4 10-18,
Ranger EV LIION 16-18,
Ranger EV Midsize INTL 14,
Ranger Series 10 4×4 & 6×6 07,
Ranger Series 11 4×4 & 6×6 07,
Ranger TM 700 04-06,

Polaris

Scrambler 400 2×4 00-02,
Scrambler 400 4×4 95-02,
Scrambler 500 2×4 00-08,
Scrambler 500 4×4 97-12,

Sport 400 94-99,

Polaris

Trail Blazer 250 90-06,
Trail Blazer 330 08-13,
Trail Blazer 400 03,

Trail Boss 250 2×4 88-99,
Trail Boss 250 4×4 89-95,
Trail Boss 250 88,
Trail Boss 250 R/ES 88,
Trail Boss 325 00-02,
Trail Boss 330 03-13,
Trail Boss 350L 2×4 90-92,
Trail Boss 350L 4×4 90-92,

Polaris

Sportsman 325 ETX EFI 15,
Sportsman 325 ETX EFI MD 15,
Sportsman 335 99-00,
Sportsman 350 4×4 93,
Sportsman 400 4×4 94-05,
Sportsman 400 4×4 AA AE AG 04,
Sportsman 400 4×4 AQ-AV 04,
Sportsman 400 4×4 Built After 12/7/00 01,
Sportsman 400 4×4 Built Before 12/7/00 01,
Sportsman 400 HO 4×4 11-14,
Sportsman 450 06,
Sportsman 450 Built After 7/25/06 07,
Sportsman 450 Built Before 7/25/06 07,
Sportsman 450 EFI MD 16,
Sportsman 450 EPS Quad 16,
Sportsman 450 EPS ZUG 16,
Sportsman 450 HO 16-18,
Sportsman 450 HO 2×4 MD 16,
Sportsman 450 Tractor 16,
Sportsman 500 4×4 96-00,
Sportsman 500 4×4 Built After 9/98 99,
Sportsman 500 4×4 Built Before 9/98 99,
Sportsman 500 4×4 DUSE 01-02,
Sportsman 500 4×4 DUSE HO 01,
Sportsman 500 4×4 HO 01-13,
Sportsman 500 4×4 HO AA- AC- AE- AG 04,
Sportsman 500 4×4 HO AO – AX 04,
Sportsman 500 4×4 RSE 00-02,
Sportsman 500 4×4 RSE Built After 9/98 99,
Sportsman 500 4×4 RSE Built Before 9/98 99,
Sportsman 500 6×6 00-08,
Sportsman 500 EFI 06-09,
Sportsman 500 Tractor EFI 09,
Sportsman 500 Tractor EFI Built After 6/23/09 10,
Sportsman 500 Tractor EFI Built Before 6/23/09 10,
Sportsman 500 X2 06-09,
Sportsman 570 6×6 17-18,
Sportsman 570 6×6 Tractor 17-18,
Sportsman 570 EFI 14-18,
Sportsman 570 EFI EPS 14-15,
Sportsman 570 EFI EPS Forest Quad 15,
Sportsman 570 EFI EPS Forest Tractor 15,
Sportsman 570 EFI EPS MD 15,
Sportsman 570 EFI MD 15-17,
Sportsman 570 EFI UTE HD EPS 14,
Sportsman 570 EFI UTE MD 16,
Sportsman 570 EFI UTE Tractor 16,
Sportsman 570 EFI X2 EPS 15-18,
Sportsman 570 EFI X2 EPS EU 15,
Sportsman 570 EPS EU 17-18,
Sportsman 570 EPS Quad 16,
Sportsman 570 EPS Tractor 16,
Sportsman 570 EPS UTE Quad 16,
Sportsman 570 EPS ZUG 16-18,
Sportsman 570 HD EFI 14,
Sportsman 570 Tractor 16-18,
Sportsman 570 X2 EPS MD 17,
Sportsman 570 X2 EPS Tractor 17-18,
Sportsman 600 4×4 03-05,
Sportsman 600 4×4 Built After 10/02/03 04,
Sportsman 600 4×4 Built Before 10/02/03 04,
Sportsman 700 4×4 02-07,
Sportsman 700 4×4 Built After 10/02/03 04,
Sportsman 700 4×4 Built Before 10/02/03 04,
Sportsman 700 EFI 05-07,
Sportsman 800 EFI 05-14,
Sportsman 800 EFI 6×6 09-14,
Sportsman 800 EFI 6×6 Forest 13-14,
Sportsman 800 EFI Built After 2/1/08 08,
Sportsman 800 EFI Built After 9/05/05 06,
Sportsman 800 EFI Built Before 9/05/05 06,
Sportsman 800 EFI Built Before1/31/08 08,
Sportsman 800 EFI Forest 14,
Sportsman 800 HO EFI 09,
Sportsman 800 HO EFI Built After 2/01/08 08,
Sportsman 800 HO EFI Built Before 1/31/08 08,

Polaris

Sportsman Forest 500 11-13,
Sportsman Forest 500 Tractor 11-14,
Sportsman Forest 570 14,
Sportsman Forest 570 EFI EPS 14-15,
Sportsman Forest 800 EFI 12-13,
Sportsman MV7 05,
Sportsman Touring 500 08-13,
Sportsman Touring 570 EFI 14-18,
Sportsman Touring 570 EFI EPS 15-16,
Sportsman Touring 570 EFI EPS Built After 8/29 17,
Sportsman Touring 570 EFI EPS Built Before 8/29 17,
Sportsman Touring 570 EFI EPS MD 16-17,
Sportsman Touring 570 EFI EPS Tractor 16,
Sportsman Touring 570 EFI EU 15,
Sportsman Touring 570 EFI INTL 14,
Sportsman Touring 570 EFI MD 15,
Sportsman Touring 570 EPS Quad 16,
Sportsman Touring 570 EPS Tractor 17-18,
Sportsman Touring 570 SP 15,
Sportsman Touring 800 EFI 08-09,
Sportsman X2 700 EFI 08,
Sportsman X2 800 EFI 07-09,

【Applications & Benefits】
Perfect as a replacement for OEM parts, this kit ensures better handling, tighter suspension, and long-lasting durability in demanding off-road and utility environments.

【Customization Service】
We provide OEM/ODM support with options for materials, coatings, branding, and packaging. With low MOQ and global shipping, SYZ Machine is a trusted supplier for leading ATV/UTV parts distributors 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

⌄ What Polaris models does this fit?
A wide range of models including Ranger, Magnum, Xplorer, ACE, Sportsman, Scrambler, and more -- check the fitment list or contact us to confirm your specific model and year.
⌄ What material is this made from?
Premium 4130 chromoly steel with yellow or silver zinc plating.
⌄ Is this the upper or lower ball joint?
The lower ball joint.
⌄ Is this suitable for harsh off-road use?
Yes, it's designed for long service life in harsh off-road use.
⌄ Can I get custom materials or branding?
Yes, OEM/ODM support includes materials, coatings, branding, and packaging.
⌄ Do you offer worldwide shipping?
Yes, factory price with worldwide shipping.
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.

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.

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

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

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

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.

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

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

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

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.

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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.”
Jason M., Off-Road SupplierUSA
“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.”
Daniel R., ATV DistributorCanada
“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.”
Markus L., Race Car Tuning ShopGermany
“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.”
Bruno S., Motorcycle Accessories ImporterBrazil
“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.”
Emily K.Australia

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