Yimi (Guangzhou) Automotive Parts Co, Ltd
| Material | High-Strength Steel |
| Weight | Standard |
| Certifiion | ISO/TS16949 |
| Strength Grade | Grade 12.9 (reference) |
| Delivery Time | 5-8 Work Days |
| Installation Position | Leaf spring center / Axle spring seat |
| Payment Terms | T/T |
| Thread Size | Per standard thread specifiion |
| Supply Ability | 10000 pcs/month |
| Bolt Hardness | Per Grade 12.9 standard |
| Packaging Details | Neutral Package or as customers’ request |
| Dimensions | 12×220mm (Diameter × Length) |
| Part Type | Suspension System Leaf Spring Fastener |
| Model Number | NPR NKR CXZ |
| Brand Name | YIMI |
| Place of Origin | CHINA |
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Product Specification
| Material | High-Strength Steel | Weight | Standard |
| Certifiion | ISO/TS16949 | Strength Grade | Grade 12.9 (reference) |
| Delivery Time | 5-8 Work Days | Installation Position | Leaf spring center / Axle spring seat |
| Payment Terms | T/T | Thread Size | Per standard thread specifiion |
| Supply Ability | 10000 pcs/month | Bolt Hardness | Per Grade 12.9 standard |
| Packaging Details | Neutral Package or as customers’ request | Dimensions | 12×220mm (Diameter × Length) |
| Part Type | Suspension System Leaf Spring Fastener | Model Number | NPR NKR CXZ |
| Brand Name | YIMI | Place of Origin | CHINA |
| High Light | 12×220mm Leaf Spring Center Bolt ，High-Strength Steel Center Pin ，OEM Standard Leaf Spring Fastener | ||
The ISUZU Leaf Spring Center Bolt with OEM numbers 1-51356211-0 / 1513562110 is a precision-engineered replacement designed for ISUZU NPR, NKR, CXZ, and FVR series trucks. This critical suspension component aligns and secures individual leaf spring leaves at the center position, ensuring the integrity and load-carrying capacity of the leaf spring assembly.
The leaf spring center bolt is a critical fastening component installed at the center position through all leaf spring leaves:
| Symptom | Probable Cause |
|---|---|
| Noticeable vehicle lean or uneven ride height | Broken or loose center bolt; leaf spring misalignment |
| "Clunking" metallic noise from chassis on rough roads | Loose or broken center bolt; relative movement between spring leaves |
| Visual inspection shows bent, cracked, or severely rusted bolt | Material fatigue or corrosion from long-term use |
| Visible misalignment between leaf spring leaves | Center bolt failure; unable to maintain spring leaf alignment |
| Reduced load capacity; suspension feels noticeably softer | Center bolt failure; leaf spring cannot function as unified assembly |
| Part Number | 1-51356211-0 1513562110 |
| Product Name | Leaf Spring Center Bolt |
| Car Model | NPR NKR |
| Engine Model | CXZ |
| Condition | 100% Brand New |
| Size | 12×220mm Standard |
| Material | High-strength steel construction (Grade 12.9) |
| Origin | China Mainland |
| Brand | Model Series | Chassis | Notes |
|---|---|---|---|
| ISUZU | NPR | NPR | Light/medium-duty truck |
| ISUZU | NKR | NKR | Light-duty truck |
| ISUZU | NHR | NHR | Light-duty truck |
| ISUZU | 100P | 100P | Light-duty truck |
| ISUZU | ELF | ELF | Light-duty truck |
| ISUZU | CXZ | CXZ | Heavy-duty truck |
| ISUZU | CVR | CVR | Heavy-duty truck |
| ISUZU | FVR | FVR | Heavy-duty truck |
| ISUZU | FVZ | FVZ | Heavy-duty truck |
| ISUZU | Giga | — | Heavy-duty truck series |
| QC Item | Inspection Method | Acceptance Criterion |
|---|---|---|
| Bolt diameter | Micrometer / Calipers | 12mm ± tolerance |
| Bolt length | Height gauge / Calipers | 220mm ± tolerance |
| Thread size & precision | Thread gauge | Per standard thread specifiion |
| Material composition | Spectrometer | Per high-strength steel standard |
| Bolt hardness | Rockwell/Vickers tester | Per Grade 12.9 standard |
| Tensile strength | Universal tensile testing machine | Per Grade 12.9 standard |
| Surface anti-corrosion | Salt spray test | Per anti-corrosion standard |
| Visual inspection | Visual | No cracks, burrs, or rust |
| Packaging | Neutral Carton |
| Brand | IZUMI / BZLP |
| Place of Origin | China |
| Minimum Order Quantity | Typically 5 pieces/model |
| Delivery Time | 7–30 days |
| Supply Capacity | 10000 sets/month |
| Warranty | At least 1 year |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2005
Total Annual:
8000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
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