19100-47040 Coolant Reservoir Tank manages coolant expansion and recovery for B2B excavator parts repair, replacement, and wholesale sourcing.
The 19100-47040 Coolant Reservoir Tank YNF17427 is used as an auxiliary reservoir within a compatible engine cooling system. As coolant temperature rises during machine operation, coolant volume expands and excess fluid can be directed into the sub tank. As the system cools, coolant can be returned according to the cooling-system configuration.
This component may also be searched as a coolant recovery tank, radiator overflow tank, expansion reservoir, or cooling-system sub tank. Although it is not the main radiator, proper reservoir condition is important for maintaining coolant reserve and monitoring fluid level.
For B2B buyers, the 19100-47040 sub tank should be checked by part number, tank shape, hose-port positions, mounting points, cap configuration, and existing-part photos before quantity purchasing. Accurate matching helps reduce installation errors, customer returns, and unnecessary international freight.
| Parameter | Specification |
|---|---|
| YNF Part Number | YNF17427 |
| Part Number | 19100-47040 |
| Product Name | Coolant Reservoir Tank |
| Alternative Name | Sub Tank / Coolant Recovery Tank / Radiator Overflow Tank / Expansion Reservoir |
| Product Type | Engine Cooling System Reservoir |
| Parts Category | Construction Machinery / Cooling System Parts |
| Main Function | Coolant Expansion, Recovery, and Reserve |
| Application | Compatible Engine Cooling System |
| Installation | Radiator / Engine Cooling Circuit Area |
| Typical Connection | Coolant Overflow / Recovery Hose |
| Material | Plastic-Type Reservoir |
| Fitment Check | Part Number / Tank Shape / Hose Ports / Mounting Points / Existing Part Photo |
| Quality Type | Aftermarket Replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Method | Air, Sea, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application | Description |
|---|---|
| Engine Cooling System | Provides auxiliary coolant storage |
| Coolant Expansion | Receives coolant displaced as temperature rises |
| Coolant Recovery | Supports coolant return as the system cools |
| Radiator Overflow System | Connected to compatible radiator overflow circuits |
| Cooling System Repair | Suitable for replacing cracked or leaking reservoirs |
| Engine Maintenance | Allows coolant level to be checked during servicing |
| Machinery Repair Workshop | Useful for cooling-system maintenance businesses |
| B2B Parts Stocking | Suitable for dealers, wholesalers, and importers |
Q: What is the part number?
A: The reference part number is 19100-47040.
Q: Is a sub tank the same as the main radiator?
A: No. It is an auxiliary coolant reservoir connected to the cooling system.
Q: What does the coolant reservoir do?
A: It receives expanded coolant and provides reserve capacity for the cooling circuit.
YNF Machinery supplies 19100-47040 coolant reservoir tanks and related engine cooling-system parts for machinery dealers, repair workshops, wholesalers, and international importers.
The YNF17427 sub tank is a relatively simple cooling component, but correct hose connections, mounting points, tank shape, and cap configuration are important for installation.
Professional buyers can provide the 19100-47040 part number, required quantity, machine or engine information, mounting photos, hose-port details, and clear images of the existing reservoir for confirmation.
Radiators, radiator caps, hoses, thermostats, water pumps, cooling fans, and other engine cooling parts can also be included in the same inquiry to simplify B2B purchasing and shipment consolidation.
