Guangzhou Suining Auto Parts Co., Ltd.
| Supply Ability | 5000PCS per month |
| Vehicle Model | HFC4DB2-2E |
| Payment Terms | L/C,D/A,D/P,T/T |
| Size | 21/30c*h63*d25/42mm |
| OEM | 1021021FB060PK |
| Place of Origin | CHINA |
| Model Number | 1331121-0129-001 |
| Certification | ISO,CE |
| Brand Name | JAC |
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Product Specification
| Supply Ability | 5000PCS per month | Vehicle Model | HFC4DB2-2E |
| Payment Terms | L/C,D/A,D/P,T/T | Size | 21/30c*h63*d25/42mm |
| OEM | 1021021FB060PK | Place of Origin | CHINA |
| Model Number | 1331121-0129-001 | Certification | ISO,CE |
| Brand Name | JAC | ||
| High Light | 1021021FB060PK ，1021021FB060PK Timing Sprocket ，JAC Truck Timing Sprocket | ||
1021021FB060PK Timing Sprocket is a precision toothed wheel installed on the camshaft of JAC HFC4DB2-2E diesel engine. It cooperates with timing chain and crankshaft sprocket to transmit rotary power and lock the accurate phase relationship between crankshaft and camshaft, controlling the opening and closing timing of intake and exhaust valves. This aftermarket sprocket fixes valve timing disorder, rough idle, power drop and abnormal chain rattling caused by tooth surface pitting, tooth wear and keyway deformation after enduring cyclic impact load. Precise meshing ensures stable combustion sequence and prevents piston-valve collision for JAC pickup and light commercial vehicles running frequent urban delivery and suburban freight routes.
Product Advantages Fabricated from high-strength alloy steel with carburizing quenching treatment. The tooth surface reaches high hardness while the core retains good toughness to resist impact fracture. Precision hobbing ensures smooth meshing and lowers transmission noise. Each timing sprocket undergoes tooth profile inspection and runout testing before delivery, OEM tooth count and keyway dimension for direct timing system overhaul assembly.
| Item | Parameter |
|---|---|
| Part Number | 1021021FB060PK |
| Product Name | Timing Sprocket |
| Matching Engine | JAC HFC4DB2-2E |
| Material | Carburized Quenched Alloy Steel |
| Feature | Timing Phase Control, Impact Resistant, Precise Tooth Profile, Smooth Chain Meshing |
| MOQ | Negotiable |
| Application | Camshaft drive and valve timing synchronization assembly |
Applicable Models Fit for JAC pickup trucks and light commercial vehicles equipped with HFC4DB2-2E diesel engine, widely used for city goods delivery and regional short-distance cargo haulage.
FAQ
Q1: What noise appears when the timing sprocket teeth wear out?
A1: Rhythmic rattling noise from timing cover, which becomes louder as engine speed rises.
Q2: What parts should be inspected or replaced together with this sprocket?
A2: It is recommended to check timing chain, chain guide and tensioner for matching wear.
Q3: Why is timing mark alignment extremely important during installation?
A3: Misaligned timing will disrupt valve stroke and may lead to severe collision between piston and valves.
Q4: Can a worn sprocket continue to be used if no obvious broken tooth is found?
A4: Hidden tooth fatigue wear will accelerate chain jump and cause timing failure under heavy load.
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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