OEM 319004543 The XCMG Tension Valve Assembly 319004543 is a genuine valve unit that controls grease pressure in the track tension cylinder on XCMG crawler excavators.
Issued under the official part number 319004543, the assembly gives the fitter a complete valve body, check valve and fittings that bolt straight onto the cylinder.
The body is machined from steel, with the bore, seat and threaded ports cut to the drawing so the internal parts seat properly.
A spring-loaded check valve holds the grease that was pumped in, so the idler stays forward and the chain keeps its tension.
The grease nipple, relief screw and plug are included where the drawing specifies them, so no extra fittings have to be sourced.
Each assembly is checked for thread size, seat tightness, valve spring rate and surface finish before the batch is packed.
Used on the track adjuster of excavators, this valve assembly lets the operator add tension, hold it, and release it safely when the chain needs slackening.
The 319004543 assembly is made to the XCMG drawing, so the threads, seats and fittings match the tension cylinder it screws into.
A properly seated check valve holds grease under pressure, so the track tension does not creep back between shifts.
The relief screw is threaded cleanly, so the operator can release tension safely without stripping the seat.
A complete assembly saves bench time, because the technician swaps the whole unit instead of rebuilding a worn valve body.
Correct valve spring rate keeps the check valve closing firmly, which stops grease loss through the nipple or seat.
Because the part carries the OEM number, a fitter installs it without hunting for adapters or matching loose valve parts.
A protective plating resists rust, so the threads and nipple stay free and the valve is easy to service next time.
A sound valve keeps the chain correctly tensioned, which reduces sprocket, roller and idler wear and improves tracking.
Production begins with certified steel bar, checked for grade, diameter and surface condition before machining starts.
Bodies are turned and threaded on CNC machines, so the seat, ports and nipple thread run true to the drawing.
Check valves are assembled with the specified spring and ball or cone, then tested for seat tightness and opening pressure.
Inspectors check thread size, seat tightness, spring rate and surface finish on a gauge built for this exact part number.
Batch records trace every 319004543 assembly to its steel lot and assembly run, so a quality question is settled quickly.
A tension valve controls grease flow into the adjuster cylinder, so the idler moves forward and the chain tightens.
Once the grease gun is removed, the check valve must close and hold, or the grease escapes and the chain goes slack.
The genuine 319004543 holds pressure as designed, so the tension stays set through travel, digging and shock loads.
A clean relief thread lets the operator reduce tension for maintenance or to clear a jammed chain without damaging the seat.
A sound valve protects the idler, chain and final drive, which keeps undercarriage costs predictable over the machine life.
The 319004543 valve assembly is fitted with a grease gun, a wrench set and hand tools during undercarriage service work.
Park the machine on firm level ground, release track tension through the relief screw and clean the valve area before work.
Unscrew the old valve, clean the cylinder port and check the thread for damage before fitting the new assembly.
Fit the new valve with the specified seal or thread compound, and tighten to the torque published in the service data.
Pump grease slowly to push the idler forward, and check the chain sag against the XCMG specification as you go.
Track the machine slowly in both directions, then recheck the sag and top up the tension if the chain has settled.
At service intervals, look for grease leaks, a nipple that will not hold pressure or a slack chain and renew the valve before damage grows.
Every 319004543 assembly is produced in an ISO 9001 and ISO 14001 certified plant with traceability from steel to carton.
Incoming steel is checked for grade, and finished valves are gauged for thread size, seat dimensions and body length.
Each batch is inspected for thread damage, seat scoring and assembly marks, since these defects cause grease leaks.
Post-production checks include visual review, dimensional verification and a pressure hold test on the XCMG valve bench.
Sample assemblies from each batch undergo grease pressure and salt spray tests to confirm sealing and corrosion performance.
Cheap copies often have poor seats or weak springs, so the check valve leaks and the chain loses tension within days.
A valve with the wrong thread or nipple type will not seal on the cylinder, and a soft body can strip under grease pressure.
The genuine 319004543 is machined to the XCMG drawing, so threads, seats, spring rate and finish match the original part.
Using genuine XCMG parts also preserves warranty coverage, protects resale value and keeps fit with OEM undercarriage parts.
Backed by XCMG global quality standards and technical support, this valve assembly performs reliably in harsh conditions.
Choosing the genuine 319004543 valve prevents a loose chain from turning into a worn sprocket or final drive repair.
A leaking valve lets the chain jump or derail, which can stop the machine on site and damage the track frame.
A complete, sealed assembly holds tension for long periods, so the operator spends less time greasing and adjusting track.
Reliable tensioning extends chain, roller and idler life, which lowers the total cost of ownership across a fleet.
Service records from construction and mining fleets show genuine XCMG undercarriage parts cut unplanned downtime.
XCMG builds the 319004543 assembly with efficient machining runs and tight material control that keep production scrap low.
A long working life means fewer replacements, which lowers the steel and energy tied to each valve assembly.
Stopping grease leaks protects soil and groundwater, helping operators meet rules on environmentally sensitive sites.
The steel in this part complies with RoHS and REACH requirements for safe handling and responsible recycling.
The 319004543 tension valve assembly is stocked in XCMG depots serving North America, Europe, Asia and Australia.
Each assembly is bagged to protect the threads and nipple and boxed in a strong carton that guards against damp and impact.
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 valve clean and undamaged until fitting, avoiding the thread damage seen in loose storage.
The XCMG Tension Valve Assembly 319004543 is a key undercarriage part on XCMG excavators, controlling grease pressure in the track adjuster.
Its machined body, sound check valve and clean relief thread deliver dependable tensioning in mud, dust and rough ground.
By holding the set tension and releasing it safely, this valve cuts downtime, protects the final drive and extends undercarriage life.
Buy only genuine XCMG parts from authorised dealers to secure real quality, correct fitment and lasting performance.
Specify the 319004543 tension valve assembly for dependable track tension and confident, trouble-free servicing.
Work with XCMG, a trusted supplier of engine and hydraulic components for heavy equipment that delivers real value.
OEM 319004543 – XCMG Tension Valve Assembly – the definitive track tension valve for correct chain sag and long undercarriage life on your excavator. Machined to the drawing, pressure tested as a complete unit, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.
