OEM 319002291 The XCMG Plug 319002291 is a genuine sealing plug that closes and blanks ports, bores and openings on XCMG hydraulic excavators.
Issued under the official part number 319002291, the plug gives the technician a correctly sized part that fits the hole or port it is designed for.
The body is molded or machined to the XCMG drawing, so the diameter, length and shoulder match the cavity without forcing.
Where the drawing calls for a seal, the plug carries the correct profile or ring groove, so it seats and holds against pressure or dust.
A protective surface resists oil, water and corrosion, so the plug keeps its shape through wash-down and long outdoor service.
Every plug is checked for diameter, length, seal groove and surface finish before the batch is packed for shipment.
Fitted to covers, housings, frames and hydraulic ports, this plug keeps oil inside, dust outside and finished surfaces clean.
The 319002291 plug is produced to the XCMG drawing, so the diameter, length and shoulder fit the bore or port without forcing.
Correct seal geometry holds pressure or keeps dust out, so the cavity stays clean and dry in service.
The body resists oil, water and wash chemicals, so the plug does not swell, soften or crumble over time.
A smooth outer surface lets the plug seat fully, so it does not tear the bore or leave a gap at the shoulder.
Because the part matches the OEM number, a fitter installs it straight from the bag without trimming or adding sealant.
Correct material hardness keeps the plug seated under vibration, so it does not work loose on rough ground.
A sound plug also stops contamination entering bearings and hydraulics, which protects expensive internal parts.
Keeping openings closed during storage and transport protects machined surfaces and threads from rust and damage.
Each lot begins with certified rubber, plastic or steel compound tested for hardness, oil resistance and compression set.
Parts are molded or machined in polished tooling, so the outline, shoulder and seal groove stay uniform from batch to batch.
Trimming removes flash from the sealing surface, so the plug seats cleanly and does not leak at the edge.
Inspectors measure diameter, length, groove profile and surface finish against a gauge for this exact part number.
Batch records trace every 319002291 plug to its material lot and production run, so a quality question is settled quickly.
A plug closes a port, bore or opening so oil stays inside a cavity and dust, water and debris stay outside.
A loose or missing plug lets contamination reach bearings and hydraulics, which causes wear, leaks and unexpected failure.
The genuine 319002291 keeps the cavity sealed, so pressure holds and internal parts stay protected from the environment.
Correct fit avoids both a plug that falls out under vibration and one that cracks the bore when pressed in too tight.
A sound plug protects housings, bearings and hydraulic circuits, which keeps service intervals predictable and extends machine life.
The 319002291 plug is fitted with a cleaning cloth, a press or a spanner set during assembly or hydraulic service work.
Release system pressure, drain the affected cavity and clean the port so no dirt or metal chips enter during the repair.
Check the bore or thread for damage, rust or old sealant, since a rough surface will stop the plug seating fully.
Lubricate the plug with clean oil where the drawing allows, then press or thread it in until the shoulder contacts the seat.
Tighten or press to the setting in the service data, so the plug seals without distorting the bore or cracking the body.
Refill with the specified oil, run the machine slowly and check the plug area for weeping after the first pressure cycles.
At service intervals, look for oil film, loose plugs or cracked bodies and renew the part before contamination spreads.
Every 319002291 plug is produced in an ISO 9001 and ISO 14001 certified plant with traceability from material to carton.
Incoming material is tested for hardness and oil resistance, and finished plugs are gauged for diameter, length and groove profile.
Each batch is screened for voids, cracks and flash, since these defects cause leaks or let the plug break under pressure.
Post-production checks include visual review, dimensional verification and a trial fit in the XCMG bore fixture.
Sample plugs from each batch undergo pressure, heat ageing and salt spray tests to confirm sealing and corrosion performance.
Cheap copies often use low-grade material that hardens or shrinks, so the plug loosens and the cavity starts to leak or collect dust.
A plug with the wrong diameter or length can fall out, crack the bore or leave the shoulder standing proud.
The genuine 319002291 is made to the XCMG drawing, so diameter, length, groove and material match the original part.
Using genuine XCMG parts also preserves warranty coverage, protects resale value and keeps fit with OEM housings.
Backed by XCMG global quality standards and technical support, this plug performs reliably in harsh conditions.
Choosing the genuine 319002291 plug prevents a small leak from turning into a damaged bearing or hydraulic component.
A missing plug lets dust and water into a cavity, which wears machined surfaces and shortens component life.
A correctly made plug seats firmly, so it does not work loose and does not need repeated replacement.
Reliable plugs also keep oil and pressure contained, which improves machine performance and lowers ownership cost.
Service records from construction and mining fleets show genuine XCMG parts cut unplanned downtime.
XCMG produces the 319002291 plug with efficient molding or machining runs that keep production scrap low.
A long service life means fewer replacements, which lowers the material and energy tied to each plug.
Sealing cavities prevents oil leaks and contamination, which protects soil, groundwater and internal parts.
The materials in this part comply with RoHS and REACH requirements for safe handling and responsible recycling.
The 319002291 plug is stocked in XCMG depots serving North America, Europe, Asia and Australia.
Each plug is bagged to protect the sealing surface and boxed in a strong carton that guards against dust, damp and crushing.
Fleet buyers can request volume pricing and combined freight, which simplifies planning and lowers landed cost.
Live stock data and responsive supply teams cover urgent requests fast, so machines return to work sooner.
Careful packing keeps the plug round and the shoulder undamaged until fitting, avoiding the distortion seen in loose storage.
The XCMG Plug 319002291 is a small but important sealing part on XCMG excavators, closing ports, bores and openings in the machine.
Its accurate size, correct seal form and durable material deliver dependable closure in rain, dust and heat.
By keeping cavities sealed, this plug cuts downtime, protects internal parts and extends the life of the assembly.
Buy only genuine XCMG parts from authorised dealers to secure real quality, correct fitment and lasting performance.
Specify the 319002291 plug for dependable sealing and confident, trouble-free servicing.
Work with XCMG, a trusted supplier of engine and hydraulic components for heavy equipment that delivers real value.
OEM 319002291 – XCMG Plug – the definitive sealing plug for clean, protected cavities on your excavator. Molded and machined to the drawing, finished for a precise fit, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.
