Product Overview
516-8504 is 12VDC pull-type diesel fuel shutoff solenoid, core part of diesel engine injection pump fuel control system. It opens fuel rack when powered for normal engine running; instant spring reset to cut diesel supply and shut down engine once power disconnect, effectively prevent diesel runaway fault on construction & genset equipment。
✅ Cross OEM Part Number
- Main Part: 516-8504
- Interchange Alternative Codes: match equivalent CAT aftermarket replacement part
✅ Technical Specifications
- Rated Voltage: DC 12V
- Coil Material: High-temperature resistant enameled pure copper coil
- Housing: Die-cast alloy shell, full sealed waterproof & oil-proof structure
- Connector: Standard OEM direct plug wire harness
- Mount: Standard flange fixed installation, original dimension 1:1 replication
✅ Product Core Advantages
1. 1:1 OEM size design, direct drop-in replacement, no drilling or modification during installation
2. Sealed whole body construction, anti-dust, anti-oil, anti-corrosion, adapt harsh construction site & farm high-temperature working environment
3. High fatigue-resistant return spring, rapid plunger response for precise instant fuel cut-off
4. Anti-burnout copper coil, stable operation under slight voltage fluctuation, extend service lifespan
5. Every piece passes pull force & aging inspection before factory delivery
✅ Compatible Application Range
Caterpillar Construction Equipment
CAT Series Mini Excavator, Medium Excavator, Wheel Loader, Road Roller, Asphalt Paver
Power Equipment:
Industrial stationary diesel generator set, marine auxiliary diesel engine, farm tractor with matching CAT diesel engine
✅ After-sale & Packing Info
- Quality Warranty: 6 months against factory production defect
- Package: Independent neutral carton packing, shockproof inner protection
