xcmg xe210 2
XCMG XE210 Crawler Excavator
2026-09-15
860178433
XCMG Housing OEM 860178433 – Genuine Hydraulic Excavator Housing Component
2026-09-14

XCMG Fitting OEM 319004317 – Genuine Hydraulic Excavator Fitting Component

XCMG Fitting 319004317
Fitting
XCMG Штуцер 319004317
Штуцер
XCMG Racor 319004317
Racor

OEM 319004317 The XCMG Fitting 319004317 is a genuine OEM connection component engineered to join hoses, pipes, and ports inside hydraulic circuits on XCMG excavators. Identified by part number 319004317, this precision-machined fitting delivers leak-free connections and long service life in the toughest construction, mining, and quarry environments.

Manufactured from high-strength alloy steel with a hardened and ground sealing surface, the 319004317 Fitting offers outstanding wear resistance, pressure containment, and corrosion protection. Its exact OEM thread size, seat angle, and hex dimensions guarantee a direct replacement without modification.

By securing lines firmly to ports, this fitting prevents internal and external leakage, reduces vibration, and keeps boom, arm, and bucket functions responsive through long working shifts.

Fitting 319004317 – Technical Specifications

ParameterSpecification
OEM Number319004317
Product NameFitting
BrandXCMG (Genuine OEM)
MaterialHigh-strength forged alloy steel
Surface FinishHardened and ground with anti-corrosion coating
ColourDark grey metallic
Net WeightApproximately 0.18 kg
Thread SizeG 1/2 inch
Thread TypeBSPP parallel thread
Seat Angle60 degree cone seat
Overall Length48 mm
Hex Width22 mm
Thread ToleranceWithin ISO 228 Class A limits
Surface HardnessHRC 45–52 after heat treatment
Tensile Strength≥ 850 MPa
Working PressureUp to 35 MPa continuous service pressure
Proof Pressure≥ 52 MPa verified by hydrostatic test
Corrosion ResistanceSalt spray test exceeding 500 hours
Operating Temperature-40°C to +150°C
Mounting PositionHydraulic hose, pipe, and port joints
Expected Service LifeDesigned for 10,000+ operating hours
CompatibilityXCMG XE series excavators (multiple tonnage classes)
PackagingExport-grade wooden case with rust-preventive wrap
StandardsISO 9001:2015, ISO 14001:2015, RoHS compliant, CE marked

Key Features and Outstanding Benefits

The 319004317 Fitting is forged from high-strength alloy steel that resists deformation under repeated pressure cycles. This keeps the thread and seat stable over time.

A hardened and ground sealing surface provides excellent wear resistance against mating seats. The cone angle stays within tolerance through millions of pressure cycles.

Thread size, seat angle, and hex dimensions are set to the exact OEM profile so the fitting seats correctly and cannot cross-thread. Leakage stays within specification.

The protective coating resists rust and chemical attack in coastal, mining, and high-humidity environments. The fitting stays serviceable for years.

By securing lines firmly to ports, the 319004317 fitting prevents vibration and keeps hydraulic response predictable across the whole machine.

Precision Machining and Controlled Heat Treatment

Production starts with certified alloy steel bar stock that is checked for chemical composition and hardness. Each blank is cut to length before forging begins.

The fitting is turned and threaded on computer-controlled machines that hold thread and seat tolerance to within specification. Hex flats are milled to precise width.

Heat treatment brings the surface to HRC 45–52 while keeping the core tough. This combination resists wear and pressure without becoming brittle.

After heat treatment, each fitting is cleaned, finish-ground, and inspected. Batch records let XCMG trace every unit back to its steel heat number.

The result is a fitting that performs predictably for thousands of hours on your XCMG excavator, season after season.

Why Fittings Matter to Hydraulic System Reliability

Fittings connect hoses, pipes, and ports in hydraulic circuits. Every pressure cycle loads them through tension, bending, and heat.

The 319004317 Fitting provides dependable sealing and consistent thread engagement, preventing leakage that would reduce efficiency and accelerate wear.

Field records from heavy excavation work show that machines fitted with genuine XCMG fittings suffer fewer joint failures and shorter repair sessions.

The hardened surface and protective coating also resist moisture, dust, and chemical exposure, keeping performance stable across long service intervals.

Inspect fittings regularly for thread wear, cracking, or corrosion. Replace any compromised unit promptly with a genuine 319004317 component.

By keeping hydraulic joints aligned, this fitting supports safe, productive excavator operation every working day.

Installation Steps and Routine Maintenance

The 319004317 Fitting installs with standard hand tools, which keeps downtime and labour costs low during scheduled servicing or emergency replacement.

Park the excavator on firm level ground, lower the attachment, and release all hydraulic pressure. Lock out the machine before work begins.

Remove the old fitting and inspect the port and hose for wear or scoring. Replace any damaged mating parts before fitting the new component.

Clean all surfaces, fit new seals, and thread the fitting into the port by hand. Tighten with a wrench to the specified torque without over-tightening.

After assembly, pressurize the circuit slowly and check for weeping at the joint. Run the machine at low idle and confirm a leak-free seal across the full pressure range.

During routine service, inspect the fitting for wear or corrosion. Replace any degraded component promptly to preserve hydraulic performance.

Cost Savings and Uptime Advantages

Choosing the genuine 319004317 Fitting pays back over time by preventing joint failures, cutting diagnostic hours, and reducing unplanned downtime.

A single failed fitting can spray hydraulic fluid, damage nearby components, and create a safety hazard that halts production for hours.

Across a typical 10,000-hour service life, the joint cycles millions of times. The hardened alloy steel of the 319004317 keeps performance consistent.

Reliable sealing also extends the life of connected components such as pumps, valves, and cylinders, reducing replacement frequency.

Field data gathered from large mining and construction fleets shows genuine XCMG components cut hydraulic-related downtime by as much as 18 percent.

The durable construction and quality coating keep the fitting serviceable for years, removing the need for premature replacement.

Sustainability and Lifecycle Considerations

XCMG applies sustainable manufacturing principles to the 319004317 Fitting through recyclable steel content and energy-efficient production processes.

The extended service life, often exceeding 10,000 hours in normal conditions, cuts material waste and lowers the environmental footprint of replacement parts.

Preventing hydraulic leaks also avoids secondary damage and soil contamination, which supports regulatory compliance and responsible site stewardship.

Steel and coating materials are free from restricted substances and comply with RoHS and REACH rules, ensuring safe handling and disposal.

Selecting genuine XCMG hydraulic components supports responsible equipment management while delivering superior operational reliability.

The precision-engineered design allows long, dependable service, which minimises resource consumption across the machine’s working life.

Global Availability and Supply Chain Strength

The 319004317 Fitting is held in XCMG regional distribution centres across North America, Europe, Asia, and Australia, supporting fast delivery.

Every unit is packed with rust-preventive wrapping inside a fitted carton, shielding it from impact, moisture, and contamination in transit.

For fleet-wide orders, XCMG offers volume pricing and consolidated freight options that reduce procurement costs and streamline inventory planning.

Real-time stock visibility and dedicated supply chain support help fulfil urgent requests quickly, shortening downtime and keeping excavators working.

Sturdy packaging preserves the fitting’s factory condition until it is installed, preventing surface damage that can occur in poorly stored spare parts.

With XCMG’s global aftermarket network behind it, you can depend on consistent quality and availability to keep your fleet at full capacity.

Quality Control and Validation Testing

Every 319004317 Fitting comes from an ISO 9001 and ISO 14001 certified plant with complete material traceability from raw steel to packed product.

Incoming steel bar stock is tested for chemical composition, hardness, and dimensional accuracy before release to the production line.

During manufacturing, thread sizes, seat angles, and surface hardness are monitored continuously, and every finished unit receives a full visual inspection.

Post-production checks include thread gauging, hardness testing, and surface finish measurement to confirm each fitting meets specification.

Sample fittings from each batch undergo pressure testing, salt spray exposure, and torque cycling to prove long-term durability and stable performance.

Only fittings that clear every quality gate are released, so you receive a dependable, high-performance hydraulic component every time.

Genuine XCMG Versus Aftermarket Alternatives

Cheap aftermarket fittings often use lower-grade steel, shallow hardening, or inaccurate threads. Those shortcuts lead to leakage, cross-threading, and poor fitment.

The genuine 319004317 is built to XCMG’s exacting standards, delivering correct fit, reliable sealing, and durable performance in the field.

Its hardened alloy steel body and precision machining provide consistent results, lowering the chance of expensive hydraulic failures and machine downtime.

Using genuine XCMG parts also preserves warranty coverage, protects resale value, and maintains compatibility with other OEM systems on the machine.

Backed by XCMG’s global quality standards and technical support, this fitting offers performance you can rely on in the harshest conditions.

Choose genuine XCMG for uncompromising hydraulic performance in the most demanding working environments.

Conclusion

The XCMG 319004317 Fitting is a vital hydraulic component for any XCMG excavator, keeping joints sealed and efficient in demanding conditions.

Its precision-engineered design, hardened alloy steel body, and robust manufacturing deliver dependable performance in harsh environments.

By preventing hydraulic leaks and maintaining stable system pressure, this fitting reduces downtime, lowers maintenance costs, and extends machine service life.

Always purchase genuine XCMG parts from authorised dealers to guarantee authenticity, quality, and performance for your equipment fleet.

Choose the 319004317 Fitting for dependable hydraulic connections and lasting operational peace of mind.

Partner with XCMG – your trusted source for heavy equipment hydraulic components that deliver real value.


OEM 319004317 – XCMG Fitting – the definitive hydraulic fitting solution for your excavator’s hose, pipe, and port connections. Engineered for durability, designed for reliable sealing, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.

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