| Main Component | 803688412 | Electric horn (12V / 24V) |
| Electric Horn (High Tone) | 803688413 | High‑tone horn (for dual‑horn system) |
| Electric Horn (Low Tone) | 803688414 | Low‑tone horn (for dual‑horn system) |
| Horn Mounting Bracket | 803688415 | L‑shaped steel bracket (with rubber isolator) |
| Horn Mounting Nut (M8) | 279500128 | Hex nut + lock washer |
| Horn Rubber Isolator (Mount) | 803688416 | Vibration‑damping rubber grommet |
| Horn Cover / Guard (Protective) | 803688417 | Mesh stone guard for horn |
| Horn Electrical Harness (Pigtail) | 803688418 | 2‑pin Deutsch pigtail (female connector) |
| Horn Connector (Deutsch DT04‑2P) | 803399778 | Female receptacle (housing + terminals) |
| Horn Connector (Terminals) | 803688419 | Crimp terminals for Deutsch connector (pack of 10) |
| Horn Switch (Steering Wheel) | 803688420 | Horn push button (integrated in steering wheel) |
| Horn Switch (Dash Panel) | 803688421 | Momentary push button (dashboard mounted) |
| Horn Relay (24V / 12V) | 803604013 | Mini ISO relay (4‑pin, normally open) |
| Horn Relay Socket | 803688422 | Relay base with pigtail wires |
| Fuse (Horn Circuit – 10A) | 803682281 | Blade fuse (10A) |
| Fuse (Horn Circuit – 15A) | 803682282 | Blade fuse (15A) for dual horn |
| Fuse Box (Cab Main) | 803688423 | Cab fuse panel (complete) |
| Horn Wire (Red, 16 AWG) | — | Positive supply wire (harness) |
| Horn Wire (Black, 16 AWG) | — | Ground wire (to chassis) |
| Ring Terminal (for Ground) | 803688424 | M6 ring terminal (crimped) |
| Steering Wheel Assembly (with Horn Button) | 803688425 | Complete steering wheel (XC series) |
| Steering Wheel Horn Contact Pin | 803688426 | Spring‑loaded contact (column to wheel) |
| Steering Column Wiring Harness | 803688427 | Internal column harness (includes horn wire) |
| Cab Main Harness (Horn Section) | 860633855 | Chassis harness (horn branch) |
| Battery (12V / 24V) | — | Lead‑acid battery (one or two) |
| Battery Cable (Positive) | — | Heavy‑duty cable to starter + fuse box |
| Battery Cable (Negative) | — | Chassis ground strap |
| Main Fuse (Battery – 100A) | — | Mega fuse for alternator |
| Alternator (28V / 120A) | — | Charging alternator |
| Voltage Regulator (if external) | — | Alternator regulator |
| Ignition Switch (Key) | 803688428 | Master key switch (cab) |
| Start Button / Relay | 803604013 | Starter solenoid relay |
| Cab Dome Light | 803688429 | Interior cab light (12V/24V) |
| Work Light (LED Front) | 860134405 | Front LED work light (left) |
| Work Light (LED Rear) | 860134406 | Rear LED work light |
| Turn Signal Switch | 803688430 | Multi‑function stalk (lights + horn) |
| Hazard Light Switch | 803688431 | Dash toggle switch for hazard |
| Turn Signal Relay (Flasher) | 803604013 | Electronic flasher relay |
| Brake Light Switch (Pedal) | 803604621 | Hydraulic pressure switch (brake lights) |
| Brake Lights (LED) | 803688432 | Rear combination lamp (brake/turn/tail) |
| Reverse Alarm (Backup Buzzer) | 803688433 | 107 dB backup alarm (24V) |
| Reverse Alarm Switch (Transmission) | 803688434 | Neutral/reverse position switch |
| Dash Instrument Cluster | 803604622 | Display with horn indicator (if equipped) |
| Horn Button Decal (Symbol) | 803688435 | Adhesive horn symbol (for aftermarket button) |
| Wire Connector (Butt Splice – 16 AWG) | 803688436 | Heat shrink butt connector (pack of 10) |
| Electrical Tape (Harness) | — | PVC harness wrapping tape |
| Cable Tie (Nylon, 150 mm) | — | Zip ties for harness routing |
| Fuse Puller Tool | 803688437 | Plastic fuse removal tool |
| Multimeter (Test) | — | Diagnostic volt/ohm meter |
| Circuit Breaker (Auto‑reset – 15A) | 803688438 | Thermal breaker (alternative to fuse) |
| Horn Test Switch (Service) | 803688439 | Handheld momentary switch (diagnostic) |
| Horn Wiring Diagram (Service Manual) | — | Refer to XCMG workshop manual |
| Ground Stud (Chassis) | 803688440 | Welded M6 stud for ground connection |
| Ground Strap (Engine to Frame) | 803688441 | Braided copper ground strap |
| Cab Ground Wire | 803688442 | 16 AWG wire (cab to chassis) |
| Horn Sound Level Tester | — | Digital sound meter (for inspection) |
| Horn Cover Decal (Warning Symbol) | 803688443 | Yellow caution decal (if hood mounted) |
| Steering Wheel Horn Pad | 803688444 | Soft horn pad (replacement) |
| Clock Spring (Steering Wheel) | 803688445 | Coiled ribbon cable (horn + airbag if equipped) |
| Horn Control Module (if CAN‑bus) | 803688446 | Electronic horn driver (for pulsed sound) |
| Relay Diodes (Protection) | 803688447 | Flyback diode (for relay coil) |
| Waterproof Connector Boot | 803688448 | Rubber boot for Deutsch connector |
| Horn Mounting Bolt (Stainless) | 803688449 | M6×20 stainless hex bolt |
| Lock Nut (Nylon insert) | 275200118 | M6 self‑locking nut |
| Flat Washer (M6) | 275300096 | Standard flat washer |
| Spring Washer (M6) | 803688450 | Split lock washer |
| Horn Rubber Gasket (Mounting) | 803688451 | Neoprene gasket (prevents vibration transfer) |
| Horn Dust Cover (Storage) | 803688452 | Plastic bag / cap (for new replacement) |
| Battery Isolator Switch | 803688453 | Master disconnect switch |
| Battery Terminal (Positive) | 803688454 | Brass clamp with bolt |
| Battery Terminal (Negative) | 803688455 | Brass clamp (ground side) |
| Terminal Protector (Grease) | — | Anti‑corrosion spray / felt pad |
| Horn Sound Chamber (Optimized) | — | Factory tuning (not replaceable separately)
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60000075 Engine Radiator Replacement for Sany Excavator
