Guangzhou Suining Auto Parts Co., Ltd.
| Vehicle Model | YND25TCIF |
| Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 5000PCS per month |
| OEM | X10012972 |
| Size | 20c*h22*b5*d36mm |
| Model Number | 1141331-0006-001 |
| Place of Origin | CHINA |
| Brand Name | JAC |
| Certification | ISO,CE |
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Product Specification
| Vehicle Model | YND25TCIF | Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 5000PCS per month | OEM | X10012972 |
| Size | 20c*h22*b5*d36mm | Model Number | 1141331-0006-001 |
| Place of Origin | CHINA | Brand Name | JAC |
| Certification | ISO,CE | ||
| High Light | X10012972 ，X10012972 Crankshaft Timing Sprocket ，Timing Sprocket for JAC Truck | ||
X10012972 Crankshaft Sprocket is the critical timing drive gear mounted on the crankshaft front end of JAC YND25TCIF diesel engine. It transmits rotary power via timing chain to the camshaft sprocket, maintaining synchronized valve actuation and piston motion for correct engine timing. This aftermarket replacement sprocket resolves timing skip, rattling chain noise and power reduction triggered by tooth surface abrasion, broken gear teeth and deformed key slots on original worn sprockets. Accurate timing coordination avoids valve-piston contact damage and guarantees dependable operation for light trucks in urban delivery and variable-load freight scenarios.
Product Advantages Constructed from high-hardness alloy steel with surface quenching treatment for superior wear and impact resistance. Precision machined tooth profile enables smooth meshing with timing chain and minimizes operating noise. Standard keyway and mounting holes match crankshaft nose perfectly. Every sprocket is inspected for tooth profile accuracy and dimensional tolerance before delivery, OEM standard for straightforward replacement during timing system overhaul.
| Item | Parameter |
|---|---|
| Part Number | X10012972 |
| Product Name | Crankshaft Timing Sprocket |
| Matching Engine | JAC YND25TCIF |
| Material | Alloy Steel with Surface Hardening |
| Feature | Timing Power Transfer, Wear Resistant, Precise Tooth Profile, Stable Meshing |
| MOQ | Negotiable |
| Application | Engine Timing Chain Drive Assembly |
Applicable Models Fit for JAC light-duty commercial trucks equipped with YND25TCIF diesel engine, widely used for city logistics and short-haul cargo transportation.
FAQ
Q1: What problems will worn sprocket teeth cause?
A1: Timing chain skips teeth, valve and injection timing disorder, resulting in power loss, black smoke or catastrophic engine collision.
Q2: What parts should be renewed along with this crankshaft sprocket?
A2: Timing chain, tensioner and guide rails are suggested to be replaced as one full timing set.
Q3: What pre-installation check is required?
A3: Examine crankshaft keyway for burrs and wear, ensure the crank key fits tightly without loose gap.
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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