Reliable electrical components are the backbone of your heavy machinery. We provide premium Replacement Relay solutions for Komatsu excavators, specifically targeting part numbers 600-815-2170 (6008152170), 600-815-8940 (6008158940), and 600-815-8941 (6008158941). These relays are essential for the starting and charging systems of models like PC200-8, PC300-8, and PC400-8.
Additionally, we supply the durable Diesel Tank Cap 07050-41200 (0705041200), engineered to fit Komatsu PC-series crawler excavators, ensuring a perfect seal and preventing fuel contamination in harsh construction environments.
| Item Category | Part Number | Alternative Number | Compatible Model | Application Type |
|---|---|---|---|---|
| Battery Relay / Start Relay | 600-815-2170 | 6008152170 | PC200-7, PC220-7, PC300-7 | Electrical System Maintenance |
| Electrical Relay Assembly | 600-815-8940 | 6008158940 | PC200-8, PC240-8, PC350-8 | Engine Wiring Harness Repair |
| Safety Relay / Switch | 600-815-8941 | 6008158941 | D65PX, D85ESS, PC400-8 | System Overhaul & Rebuild |
| Fuel Tank Filler Cap | 07050-41200 | 0705041200 | PC60, PC120, PC200, PC300 | Fuel System Protection |
Quick Specs:
Payment Terms: T/T, Western Union, MoneyGram
Delivery: DHL, Fedex, EMS, UPS, Air/Sea Freight
Condition: Brand New, OEM Standard Replacement
MOQ: 1 Piece
Stock Status: Ready to Ship / Fast Dispatch
When sourcing excavator components, reliability and fitment are non-negotiable. Below is a comparison of why our OEM-standard parts outperform generic market alternatives.
| Feature | Our OEM Standard Replacement | Common Aftermarket Parts |
|---|---|---|
| Contact Point Quality | Silver-plated copper for high conductivity | Recycled alloy (prone to overheating) |
| Seal Integrity (Cap) | Anti-corrosion rubber gasket | Standard plastic (leaks under pressure) |
| Voltage Stability | Strict 24V tolerance testing | Inconsistent voltage range |
| Durability | Tested for 10,000+ switch cycles | Untested lifespan |
| Fitment | 1:1 Precise engineering to Komatsu specs | Loose or difficult installation |
| Warranty Support | Full replacement for defects | No clear return policy |
Q: My PC200-8 won't start, but the battery is full. Is the 600-815-8940 relay the issue?
A: It is highly likely. The relay controls the signal to the starter motor. If you hear a "clicking" sound but the engine doesn't turn, the relay contacts might be burnt. Replacing with a new 600-815-8940 restores instant ignition.
Q: Why is fuel leaking from my 07050-41200 cap?
A: Over time, the internal spring or the breathing valve inside the fuel cap degrades due to diesel exposure and vibration. A faulty 07050-41200 cap allows dust and water into the fuel tank, which can damage your fuel injectors.
Q: Why Choose This Relay and Cap?
A: Our products feature an OEM-standard tri-metal structure and are trusted by professional repair shops and large equipment fleets worldwide for their long-term stability.
Not sure how this issue affects your equipment?
Our team helps operators:
Identify potential risks during maintenance
Recommend suitable replacement parts if needed
Support both inspection advice and parts supply
About Our Company: We specialize in complete engine assemblies and premium spare parts for global brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core inventory includes Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con Rod Bearings, Thrust Washers, Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
Related Keywords: Komatsu engine rebuild kit, Caterpillar fuel system parts, Isuzu diesel engine maintenance, Cummins turbocharger replacement, Kubota overhaul gasket set, Yanmar piston ring supplier, Weichai water pump price, heavy duty engine crankshaft, excavator hydraulic seal kit, diesel injector nozzle repair, S6D102 engine parts, 4D95 engine liner set, PC200-7 electrical parts, diesel generator engine parts, mining equipment spare parts, construction machinery engine repair, industrial engine oil pump, crankshaft bearing clearance, cylinder head valve seat, engine con rod bushing.
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