Guangzhou Suining Auto Parts Co., Ltd.
| Vehicle Model | HFCN721 |
| Supply Ability | 5000PCS per month |
| Payment Terms | L/C,D/A,D/P,T/T |
| Size | M16 |
| OEM | 2912022LE010 |
| Model Number | 4321121-0500-011 |
| Place of Origin | CHINA |
| Brand Name | JAC |
| Certification | ISO,CE |
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Product Specification
| Vehicle Model | HFCN721 | Supply Ability | 5000PCS per month |
| Payment Terms | L/C,D/A,D/P,T/T | Size | M16 |
| OEM | 2912022LE010 | Model Number | 4321121-0500-011 |
| Place of Origin | CHINA | Brand Name | JAC |
| Certification | ISO,CE | ||
| High Light | Light Truck U-Bolt Nut ，2912022LE010 ，2912022LE010 U-Bolt Nut | ||
Product Introduction 2912022LE010 U-Bolt Nut is a dedicated locking fastener paired with suspension U-bolt on HFCN721 light truck rear leaf spring assembly. It tightens the U-bolt to clamp leaf spring firmly on axle housing, transferring vehicle load and maintaining stable relative position between axle and suspension. This aftermarket replacement nut solves thread stripping, nut distortion and self-loosening issues caused by continuous road vibration and heavy load impact of original nuts, avoiding leaf spring shifting and axle displacement risks for urban light cargo delivery vehicles.
Product Advantages Adopts high-strength carbon steel with heat treatment process, with strong tensile resistance under repeated shock load. Precision rolled internal thread fits matched U-bolt perfectly for uniform stress distribution. Anti-rust surface plating isolates mud, rainwater and road salt erosion. Each nut passes thread dimensional and hardness sampling inspection before shipment, standard specification for quick assembly during suspension overhaul.
| Item | Parameter |
|---|---|
| Part Number | 2912022LE010 |
| Product Name | U-Bolt Nut |
| Compatible Model | HFCN721 JAC Light Truck |
| Material | Heat Treated Carbon Steel |
| Feature | Leaf Spring Fastening, Vibration Resistant, Anti-Corrosion |
| MOQ | Negotiable |
| Application | Rear Leaf Spring U-Bolt Fastening Assembly |
Applicable Models Fit for JAC HFCN721 light truck series, commonly used on vehicles with rear leaf spring suspension for short-distance logistics transportation.
FAQ
Q1: Why do U-bolt nuts tend to loosen frequently on rough roads?
A1: Continuous vibration and spring deformation generate cyclic force which gradually releases preload of the nut.
Q2: Can I reuse old nuts when replacing leaf springs and U-bolts?
A2: It is better to install new nuts together, old ones have invisible fatigue damage.
Q3: What consequence will insufficient tightening torque bring?
A3: Loose clamping leads to spring misalignment, abnormal tire wear and even axle displacement.
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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