V2203 Intake and Exhaust Valve Set supports cylinder-head airflow and sealing for diesel rebuilds and B2B excavator engine parts sourcing.
The V2203 Intake and Exhaust Valve Set YNF18985 is supplied for compatible diesel engine cylinder-head rebuilding applications. The intake valves are used to control fresh-air entry into the combustion chamber, while the exhaust valves allow combustion gases to be discharged through the exhaust passage.
When the valves are closed, sealing against the corresponding valve seats is required so cylinder compression can be maintained. During engine overhaul, worn valve faces, bent stems, excessive guide clearance, or damaged seating surfaces should be inspected together with the cylinder head.
For B2B buyers, YNF18985 should be confirmed by V2203 engine model, intake and exhaust valve dimensions, stem diameter, overall length, valve-head diameter, and existing-part photos. Correct matching helps professional rebuilders reduce cylinder-head machining problems, incorrect inventory, customer returns, and delays caused by incompatible engine components.
| Parameter | Specification |
|---|---|
| YNF Part Number | YNF18985 |
| Product Name | Intake & Exhaust Valve Set |
| Alternative Name | Inlet Valve / Exhaust Valve / Engine Valve Set / Cylinder Head Valve |
| Product Type | Diesel Engine Valve-Train Component |
| Parts Category | Engine / Cylinder Head & Valve Parts |
| Engine Model | V2203 |
| Included Components | Intake Valve + Exhaust Valve |
| Exact Quantity | To Be Confirmed by Supply Specification |
| Intake Valve Function | Controls Fresh-Air Entry into Combustion Chamber |
| Exhaust Valve Function | Controls Exhaust-Gas Discharge |
| Main Application | Cylinder Head Repair / Diesel Engine Overhaul |
| Installation | Cylinder Head / Combustion Chamber Area |
| Material | To Be Confirmed by Product Specification |
| Fitment Check | Engine Model / Valve Length / Stem Diameter / Head Diameter / Existing Part Photo |
| Quality Type | Aftermarket Replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Set |
| Shipping Method | Air, Sea, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application | Description |
|---|---|
| V2203 Diesel Engine | Used in compatible cylinder-head assemblies |
| Intake Air Control | Intake valves regulate air entering the combustion chamber |
| Exhaust Gas Control | Exhaust valves release combustion gases from the cylinder |
| Cylinder Head Rebuild | Suitable for valve replacement during head repair |
| Combustion Sealing | Correct valve seating supports cylinder compression |
| Complete Engine Overhaul | Can be renewed with other valve-train and internal engine parts |
| Engine Repair Workshop | Suitable for professional diesel engine rebuilding |
| B2B Parts Stocking | Practical for wholesalers, dealers, and engine-parts importers |
Q: What is included in YNF18985?
A: It is identified as a combination of V2203 intake and exhaust valves. Exact quantities should be confirmed before ordering.
Q: What is the difference between intake and exhaust valves?
A: Intake valves control incoming air, while exhaust valves control discharged combustion gases.
Q: When are engine valves normally replaced?
A: They may be renewed when wear, burning, bending, poor seating, or cylinder-head overhaul requirements are identified.
YNF Machinery supplies V2203 intake and exhaust valve sets and related cylinder-head components for diesel engine rebuilders, machinery dealers, repair workshops, wholesalers, and international importers.
The YNF18985 engine valve set combines intake and exhaust valve requirements into one sourcing item, helping professional buyers prepare cylinder-head repair orders more efficiently.
Before quantity purchasing, buyers can provide the V2203 engine model, required quantity, valve dimensions, cylinder-head information, and clear photos of the removed intake and exhaust valves for confirmation.
Valve guides, valve seats, valve stem seals, rocker-arm components, cylinder-head gaskets, pistons, piston rings, bearings, and other V2203 overhaul parts can also be included in the same inquiry. Consolidated sourcing helps B2B buyers reduce missing repair components, repeated freight charges, and workshop delays.
