ISO 9001:2015 · Direct OEM Manufacturer

ATV / UTV Ball Joint Manufacturer

Forged 4130, 4340, 300M & TitanX ball joints for Polaris, Can-Am, Yamaha and Kawasaki. Factory-direct supply with full private label and custom development — no trading company markup.

Drop-forged housing standard — never cast
4 material grades: 4130, 4340, 300M, TitanX composite
Private label ready — custom packaging, 2-week artwork
24hr quote response from an engineering team, not a script

SYZ ATV UTV ball joint series — Standard Duty 4130, Heavy Duty 4340 and 300M TitanX grades

Factory Direct · Forged 4130 / 4340 / 300M / TitanX — Private Label & OEM Supply

Since 1999
Manufacturing
50+
OEM References Stocked
4
Material Grades
100pc
MOQ / Model
40d
Standard Lead Time

The Problems Your Current Supplier Won’t Solve

Factory ATV/UTV ball joints are engineered for standard conditions — not for the loads, upgrades, and environment your customers demand.

Inconsistent Hardness Between Batches

Weak heat treatment specs mean ball stud hardness varies run-to-run. Your QA team catches it — or your customers do, in the field. Neither is acceptable.

Cast Housings That Crack Under Impact

Most budget suppliers use cast housings. Casting voids and weak grain structure fail under repeated spike loads — a drop, a rock strike, a hard landing. Drop-forged is not optional.

No Grade Options for Lifted or Modified Builds

Stock OEM-equivalent only works for stock vehicles. Lift kits, oversized tires, and heavy-use operators need a stronger stud — but most suppliers only offer one grade.

Forged From the Right Material. Built for the Right Load.

Every SYZ Machine ball joint starts with a drop-forged housing — not cast. Material grade is selected based on load requirements. The result is consistent, measurable, documentable performance across every batch.

Talk to an Engineer

Built In, Not Bolted On

  • Drop-forged housing standard — aligned grain structure, not casting voids
  • 4 stud grades — 4130, 4340, 300M, TitanX composite; same housing, different performance
  • Greaseable Zerk on every unit — field-serviceable, contamination flushed, life extended
  • 100% pre-shipment inspection — hardness, dimensional tolerance, fitment verified per unit
  • Batch documentation available — hardness reports, material certs, CMM records on request

One Forged Housing Platform. Multiple Stud Strength Options.

All grades use the same forged housing architecture. The performance difference comes from the ball stud material, heat treatment, and internal design specification. Available as OEM replacement, heavy-duty upgrade, long-travel/off-road applications, or custom suspension programs.

Grade 0141304130 chromoly standard duty ATV UTV ball joints

4130 Chromoly — Standard Duty

Designed as a stronger replacement for OEM ball joints used in daily driving, trail riding, and recreational off-road applications.

Features

  • 4130 chromoly steel ball stud
  • Forged steel housing
  • Greaseable design with zerk fitting
  • Corrosion-resistant surface finish
  • Direct OEM-style fitment

Best For

  • OEM replacement
  • Stock vehicles
  • Mild trail use
  • Recreational riding

Engineering note: 4130 provides a good balance between strength, toughness, machinability, and cost. Suitable for standard-duty suspension systems where extreme shock loading is not expected.

Grade 0243404340 chromoly heavy duty ATV UTV ball joints

4340 Alloy Steel — Heavy Duty

Built for larger tires, lifted vehicles, heavier loads, and repeated off-road impact conditions.

Features

  • 4340 alloy steel ball stud
  • Higher tensile strength than 4130
  • Improved impact resistance
  • Heat-treated for heavy-duty use
  • Greaseable serviceable design

Best For

  • Lift kits
  • Oversized tires
  • UTV / ATV upgrades
  • Overland vehicles
  • Aggressive trail riding

Engineering note: 4340 offers significantly higher core toughness and fatigue resistance compared with 4130. Commonly used in high-load drivetrain and suspension components subjected to cyclic stress.

Grade 03300M300M vacuum-melt alloy steel extreme duty ATV UTV ball joints

300M Alloy Steel — Extreme Duty

Premium ultra-high-strength alloy steel designed for racing, rock crawling, and severe off-road environments.

Features

  • 300M vacuum-melt alloy steel stud
  • Ultra-high tensile strength
  • Exceptional fatigue resistance
  • Optimized heat treatment process
  • High shock-load capability

Best For

  • Competition vehicles
  • Desert racing
  • Rock crawling
  • Extreme suspension travel
  • Severe impact environments

Engineering note: 300M is an advanced modified 4340 alloy with added silicon and tighter material control. Widely used in aerospace landing gear and professional motorsport components where maximum strength-to-weight performance is required.

Grade 04TitanXTitanX modular composite serviceable ball joint assembly

TitanX Modular System — Serviceable Composite Assembly

A modular multi-component system engineered for maximum articulation, rebuildability, and custom suspension development.

Features

  • Multi-piece serviceable architecture
  • Replaceable internal wear components
  • Increased articulation capability
  • Custom-engineered per application
  • Tunable design for specialty platforms

Best For

  • Long-travel suspension systems
  • Extreme articulation setups
  • Custom race builds
  • OEM development programs
  • Prototype suspension projects

Engineering note: Unlike traditional one-piece ball stud designs, the TitanX system uses a modular construction optimized for serviceability, articulation range, and application-specific tuning. Ideal for advanced suspension systems requiring rebuild capability and custom geometry solutions.

All SKUs available in standard 4130, heavy duty 4340, or 300M ball stud upgrade. Private label and custom packaging available. MOQ 100 pcs per model.

Product Specs & MOQ at a Glance

Standard parameters for our ATV / UTV ball joint range. Custom specifications available on request.

ParameterSpecification
ProductATV / UTV Ball Joint (OEM Replacement & Custom)
Housing Material4130 / 4340 Drop-Forged Steel (never cast)
Ball Stud Grade4130 / 4340 / 300M — specify at quote
Surface TreatmentBlack Oxide / Zinc Plated
DesignGreaseable (Zerk fitting included)
Thread SizeM10–M20 · 3/8″–3/4″ (custom available)
Compatible BrandsPolaris, Can-Am, Yamaha, Kawasaki + Custom Platforms
OEM References50+ stocked; 24hr cross-reference confirmation
Private LabelCustom logo, retail, Amazon-ready packaging
CertificationsISO 9001:2015 · SGS-Assessed Production · RoHS
  • OEM cross-reference confirmed within 24 hours
  • Material certs & hardness reports on request
  • Batch-level QC docs for ongoing programs
  • Private label artwork turnaround 2 weeks
  • Custom dev from 2D/3D drawing or sample
  • DFM feedback within 5 business days
  • Multi-SKU programs — consolidated scheduling
  • 100pc
    MOQ / Model
    30–45d
    Lead Time
    24hr
    Quote Response
    3–4wk
    Sample Lead Time

    50+ OEM References — Top-Selling Models Ready to Ship

    Covering the highest-volume North American ATV and UTV platforms. Don’t see your model? Send us the OEM number — fitment confirmed within 24 hours.

    Don’t See Your Model Listed?

    We cover 50+ core SKUs and develop custom fitment from drawings or samples. Send us your OEM number and we’ll confirm compatibility within 24 hours.

    Check My Fitment →

    Polaris 60–65%
    Can-Am 20–25%
    Yamaha 8–10%
    Kawasaki & Others 3–5%



    🏆 TOP 5 BEST SELLERS

    North America’s highest-volume ATV / UTV ball joint OEM references

    #1

    Polaris RZR XP 1000

    7081867 / 7082275 / 7081992

    #2

    Polaris Ranger / Sportsman

    7061220 / 7061187

    #3

    Polaris Sportsman

    7061141 / 7061156

    #4

    Polaris ATV

    7061192 / 7061244

    #5

    Can-Am ATV

    S50210RCA000

    TOP 10 UTV BALL JOINTS

    North America estimated sales volume ranking

    #OEM RefModel
    17081867RZR XP1000 / Turbo
    27082275RZR XP1000 Upper
    37081992RZR XP / Turbo Lower
    47082422RZR Pro XP / General
    57082487Ranger 1000
    67061220Ranger / Sportsman
    77061187Sportsman / Ranger
    87061156Sportsman ATV
    97061141Sportsman
    107061192Sportsman

    CAN-AM BALL JOINT

    OEM cross-reference

    Our RefCan-Am OEM
    7061031S50210RCA000
    7061032S50213RCA000
    7061033S50230RCA000
    7061034S50240RCA000
    7061035S50250RCA000
    7061036S50260RCA000
    7061037S50270RCA000
    7061038S50280RCA000
    7061039S50290RCA000
    7061050S50400RCA000

    YAMAHA ATV BALL JOINT

    OEM cross-reference

    Our RefYamaha OEM
    7061031S50210RCA000
    7061032S50213RCA000
    7061033S50230RCA000
    7061034S50240RCA000
    7061035S50250RCA000
    7061036S50260RCA000
    7061037S50270RCA000
    7061038S50280RCA000
    7061039S50290RCA000
    7061050S50400RCA000

    Full Production Control. Every Stage, In-House.

    We own the forging, machining, heat treatment, surface treatment, and assembly lines. No subcontracting. No quality surprises. That means we control lead time, material traceability, and cost at every step — and you can hold us accountable for all of it.

    • Forging capability
    • CNC machining center
    • Heat treatment furnace
    • Surface treatment line
    • CMM inspection room
    • Salt spray test chamber
    • Custom dev from drawings
    • Bulk production capacity

    Send Technical Drawing

    From Raw Material to Finished Part

    Every SYZ Machine ball joint follows a controlled 7-step production process with inspection gates at critical stages.

    01

    Raw Material

    Certified steel stock selected per material grade specification.

    02

    Forging

    Drop-forged housing — aligned grain structure, not casting voids.

    03

    CNC Machining

    Precision turning and milling to OEM fitment tolerances.

    04

    Heat Treatment

    Controlled heat treatment to spec — verified by Rockwell hardness testing.

    05

    Surface Treatment

    Black oxide or zinc plating for corrosion resistance.

    06

    Assembly

    Greaseable zerk fitting and final component assembly.

    07

    100% Inspection

    Every unit checked before it leaves the facility.

    We Don’t Ship What We Wouldn’t Install Ourselves

    Every unit passes multiple inspection gates before leaving the facility. Batch documentation is available — because your customers and your brand depend on consistent quality, not just a certificate on the wall.

    Rockwell Hardness Testing

    Every ball stud batch verified against spec to confirm heat treatment outcome — no sampling, full batch coverage.

    📅

    Salt Spray & Fitment Testing

    Surface treatment durability under accelerated corrosion conditions. Physical fitment trial on OEM reference parts for every new batch.

    📐

    CMM Dimensional Inspection

    Critical dimensions measured on coordinate measuring machine to verify OEM fitment tolerances on every production batch.

    ISO
    9001
    ISO 9001:2015

    Quality Management System

    SGS
    SGS-Assessed

    Production Trading Assessment

    RoHS
    RoHS Compliant

    Restricted Substances

    50+
    OEM Reference Numbers Stocked
    4
    Material Grades Available
    100%
    Pre-Shipment Inspection Rate
    40d
    Standard Production Lead Time

    Why Source Your ATV / UTV Ball Joints from SYZ Machine?

    Drop-Forged Standard

    Every housing is drop-forged — never cast. Aligned grain structure, measurable impact resistance. Our baseline, not an upgrade.

    100% Pre-Shipment Inspection

    Hardness, dimensional tolerance, fitment, surface quality — every unit. Batch records available on request. You know exactly what you’re receiving.

    Engineering-Led Team

    Ball stud material is the performance variable: 4130 for standard OEM replacement, 4340 for heavy duty, 300M for racing. TitanX is a separate modular joint design — a composite assembly with field-replaceable internals.

    Private Label Ready

    Custom logo, retail packaging, Amazon-ready boxes, neutral packaging. Artwork turnaround 2 weeks. Built for aftermarket brands, distributors, and Amazon sellers.

    Greaseable Design

    Zerk fitting on every unit, every grade. Regular lubrication flushes contamination and extends service life — the single biggest failure point of sealed OEM designs.

    Custom Development

    From 2D/3D drawings or physical samples. DFM feedback in 5 business days, sample in 3–4 weeks. If your application needs something that doesn’t exist, we build it.

    As a dedicated ATV UTV ball joint manufacturer, SYZ Machine gives you direct factory access — no trading company markup, no quality uncertainty, full engineering support from day one. Whether you need OEM replacement supply, private label, or custom development, you work with the factory that makes the part.

    What B2B Buyers Say

    Distributors, aftermarket brands, and race teams who trust SYZ Machine for consistent quality and engineering support.

    Jason R. avatar initials

    ★★★★★

    “We switched from our previous supplier after two seasons of inconsistent hardness on the ball studs. SYZ Machine provides batch test reports with every shipment — that level of documentation is exactly what our QA team needs.”

    Jason R.

    Procurement Manager — Aftermarket Distributor, USA

    Mike C. avatar initials

    ★★★★★

    “We needed a 300M stud version for our Polaris RZR Pro R race build — something most suppliers can’t even quote. SYZ Machine had a sample to us in 3 weeks and the fitment was perfect.”

    Mike C.

    Technical Director — Off-Road Race Team, Canada

    Tom L. avatar initials

    ★★★★★

    “Private label packaging was ready within 2 weeks of confirming artwork. The retail boxes look excellent and the MOQ of 100 pcs per model works well for our catalog management. Reliable supply and responsive team.”

    Tom L.

    Brand Owner — Powersports Parts Brand, Australia

    Applications of ATV / UTV Ball Joints

    Our ATV ball joints and UTV ball joints are widely used across off-road and powersports vehicles — from recreational trail riding to professional racing.

    UTV suspension ball joint application

    UTV Suspension Systems

    Used in upper and lower control arms, A-arms, and suspension assemblies across all major UTV platforms. Our heavy duty UTV ball joints handle the lateral and vertical loads generated by high-travel suspension setups.

    Polaris RZRCan-Am MaverickRanger/Defender
    ATV front suspension ball joint application

    ATV Front Suspension

    Commonly installed in ATV front suspension assemblies — including A-arm pivot points and knuckle connections. Our OEM replacement ATV ball joints provide direct fitment across Yamaha, Polaris Sportsman, and Can-Am ATV models.

    Yamaha GrizzlyPolaris SportsmanCan-Am ATV
    Off-road desert racing UTV using high-strength ball joints

    Off-Road Suspension Brands

    Designed for high-impact racing environments where standard ball joints fail under repeated shock loading. Our 300M and TitanX grades are specified by race teams running Polaris RZR Pro R and Can-Am Maverick X3 competition builds.

    RZR Pro R RaceMaverick X3Rock Crawling

    Frequently Asked Questions

    What is the MOQ?+

    Minimum order quantity is 100 pieces per model. For multi-SKU orders, each model is assessed individually. Contact us for mixed-model order flexibility.

    Can I upgrade to 300M ball stud?+

    Yes. 300M is available as an upgrade on most models. Specify when quoting — we’ll confirm dimensional compatibility and provide pricing. The 300M stud fits the same housing as the standard grade.

    What is TitanX and how is it different?+

    TitanX is our modular composite ball joint — similar in concept to the Keller Ball Joint system. It uses a multi-piece precision assembly that allows higher articulation angles, field-replaceable internals, and application-specific engineering. It’s designed for extreme off-road builds and custom OEM applications.

    Do you provide material certificates and test reports?+

    Yes. Material certs, hardness test reports, and dimensional inspection records are available on request. For large or ongoing orders we provide batch-level documentation as standard.

    Do you accept low MOQ or private label orders?+

    Yes. As a direct factory, we support tiered pricing based on order volume. We provide low MOQ samples for quality testing and fitment verification before you commit to bulk production. For wholesale and private label (custom brand) requirements, we have a flexible threshold to help you start your product line with minimal inventory risk. Contact us with your target volume and we will provide a tailored quote.

    Do you support private label?+

    Yes. We offer full private label services including custom logo, retail packaging, neutral packaging, and Amazon-ready packaging. Artwork turnaround is typically 2 weeks after artwork approval.

    Can you develop a custom ball joint from my drawing or sample?+

    Yes. We accept 2D/3D drawings (DXF, STEP, IGES) and physical samples. DFM feedback is typically provided within 5 business days. Sample lead time is 3–4 weeks depending on complexity.

    What is the lead time for bulk orders?+

    Standard lead time is 30–45 days for production orders. In-stock models may ship faster. Expedited production is available — contact us with your timeline requirements.

    Ready to Source ATV / UTV Ball Joints Direct?

    OEM replacement supply, heavy duty upgrades, private label programs, or custom development — send requirements and we respond within 24 hours with a qualified quote.

    Upload drawings, CAD files, photos, OE references, or specifications. Up to 5 files / 20MB total. Accepted: JPG, PNG, WebP, PDF, ZIP, CSV, XLS, XLSX, DOC, DOCX.

    MOQ 100 pcs · 40 days lead time · Private label available · Custom development accepted