Brazil 2025-09-15 C15 Fuel-Bypass-Valve 139-6873 1396873 Construction Scene

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We support custom machining for 139-6873 bodies, 115-2368 valve heads, 307-9376 hose fittings—send a drawing, get a free sample!

When your CAT C15 starts hunting or idling rough on a São Paulo highway job-site, 90% of the time the culprit is the 139-6873 1396873 fuel bypass valve. Growshine International keeps thousands of these tiny but critical construction machinery parts in our Wuhan warehouse—ready to reach Brazil in 7-9 days by air, 22 days by sea. Replace the valve in 15 minutes and save a $1,200 service call.

1W-0705 1W0705 Oil Pressure Gauge 52 mm 12 V 24 V—plug-and-play for CAT 320D, Komatsu PC200-8, Deutz FL413. Keep an eye on lube pressure and avoid a $9,000 crankshaft swap. Click for live photos & stock →

Random Glossary—Know the Part, Know the Machine

• CAT 345D fan motor (风扇马达) — mounted on the hydraulic pump bracket, drives the cooling fan at 1,850 rpm. RUS: гидромотор вентилятора CAT 345D.
• Volvo FH16 air-dryer cartridge (空气干燥罐) — installed between compressor and wet tank, removes moisture to protect brake valves. RUS: картридж осушителя воздуха Volvo FH16.
• John Deere 8R starter solenoid (起动电磁铁) — on top of the starter motor, engages the pinion with flywheel ring gear. RUS: соленоид стартера John Deere 8R.
• Deutz FL913 injection pump plunger (喷油泵柱塞) — inside the Bosch P pump, meters fuel to each cylinder. RUS: плунжер топливного насоса Deutz FL913.
• CLAAS LEXION 8900 concave bar (凹板栅条) — inside the threshing drum, separates grain from chaff. RUS: решетка молотилки CLAAS LEXION 8900.

3 Maintenance FAQs Customers Google Every Day

1. Q: How often should I replace the 544-3706 water-pump kit? A: Every 4,500 hrs or when coolant weeps from the weep-hole—whichever comes first.
2. Q: Can I use 12 V 115-2368 valves in a 24 V system? A: No, the coil will overheat in 10 minutes—always match system voltage.
3. Q: Why does my 324D throw code 164-1 after installing a new 139-6873? A: Bleed the fuel rail—trapped air mimics low-pressure fault.

Real Case—CAT 330D Fuel Rail Pressure Drops to 180 bar

Symptom: machine limps, ECM logs 164-11. Root cause: debris stuck in 139-6873 bypass valve, causing 28 % return flow. Solution: ① swap valve (15 min), ② flush rail, ③ reload trim files. Down-time saved: 2 days. Parts cost: $89 only.

Growshine International (Wuhan) exports construction machinery parts, heavy-truck parts, farm parts and automotive parts to 126 countries. Browse 42,000 SKU on ar-excel.com, ampleresiliencesoft.com, cgsc66.com, cgsc-equip.com, en.xinsheng2024.com. Need a pro-forma? WhatsApp +86 19186232612

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