Guangzhou Suining Auto Parts Co., Ltd.
| Vehicle Model | YND20TCI |
| Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 5000PCS per month |
| Size | 24*5*102mm |
| OEM | X10005623 |
| Model Number | 1231121-2070-001 |
| Place of Origin | CHINA |
| Certification | ISO,CE |
| Brand Name | JAC |
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Product Specification
| Vehicle Model | YND20TCI | Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 5000PCS per month | Size | 24*5*102mm |
| OEM | X10005623 | Model Number | 1231121-2070-001 |
| Place of Origin | CHINA | Certification | ISO,CE |
| Brand Name | JAC | ||
| High Light | X10005623 Exhaust Valve ，Engine Exhaust Valve for JAC Truck ，X10005623 | ||
X10005623 Exhaust Valve is a precision poppet part housed in the cylinder head of JAC YND20TCI diesel engine. Working in sync with camshaft and valve spring, it opens to expel post-combustion waste gas and seals the combustion chamber during compression and power strokes. This aftermarket replacement valve addresses incomplete gas scavenging, fluctuating cylinder pressure and thick exhaust smoke caused by surface ablation, stem scoring and seating recession after enduring repeated thermal shock. Reliable exhaust cycling sustains proper air exchange ratio and helps light commercial vehicles maintain responsive throttle performance for daily urban delivery and short inter-town hauling missions.
Product Advantages Crafted from premium heat-resistant superalloy steel formulated to resist oxidation under extreme exhaust heat. The valve head contact surface is treated with hard surfacing to slow pitting and burning. The finely polished stem reduces drag inside valve guides and lowers carbon buildup risk. Each valve passes dimensional verification, concentricity test and sealing spot inspection before shipment, OEM head shape and overall length for straightforward valve train service.
| Item | Parameter |
|---|---|
| Part Number | X10005623 |
| Product Name | Exhaust Valve |
| Matching Engine | JAC YND20TCI |
| Material | Heat Resistant Superalloy Steel |
| Feature | Waste Gas Discharge, Anti-Oxidation Head, Low Friction Stem, Stable Sealing Performance |
| MOQ | Negotiable |
| Application | Combustion chamber exhaust control and cylinder pressure containment assembly |
Applicable Models Fit for JAC light trucks and logistics vans equipped with YND20TCI diesel engine, widely used for local parcel distribution and suburban cargo transport.
FAQ
Q1: What will happen if exhaust valve seating surface suffers severe ablation?
A1: Compression leaks continuously, leading to weak power output and backfire inside the exhaust pipeline.
Q2: What should technicians check when replacing this exhaust valve?
A2: Inspect valve seat insert, guide bore and spring condition to confirm matching wear level.
Q3: Why is valve lash adjustment critical for this engine after valve replacement?
A3: Too small clearance keeps the valve partially open, which accelerates burning and permanent deformation.
Q4: What maintenance habit helps extend exhaust valve service life?
A4: Use qualified fuel and keep cooling system in good condition to cut peak exhaust temperature.
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
1989
Total Annual:
30000000-35000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
SuiNing Auto Parts Company (Abbrev. SN) is one of China’s leading auto parts supply chain enterprises. Founded in Guangzhou in 1989, SN adheres to the tenet of “customer-focused, market-oriented, competitive and innovative, quality-first”. &... SuiNing Auto Parts Company (Abbrev. SN) is one of China’s leading auto parts supply chain enterprises. Founded in Guangzhou in 1989, SN adheres to the tenet of “customer-focused, market-oriented, competitive and innovative, quality-first”. &...
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