Upgrade your Isuzu 4BC2 engine with a precision-engineered DB33 crankshaft designed for commercial durability. OEM-certified (5-12310-161-0), forged steel construction, and ISO 9001 manufacturing. Trusted by global distributors since 2003.
Key Specifications & Benefits
| Parameter | Specification | Competitive Advantage |
|---|---|---|
| OEM Number | 5-12310-161-0 | 100% compatible with 4BC2 engines |
| Stroke | 55mm (±0.01mm tolerance) | Optimized for fuel efficiency |
| Material | Forged Steel (SAE 4340) | 25% higher fatigue resistance |
| Balancing | Computerized dynamic balancing | Reduces vibration by 40% |
| Surface Finish | Induction-hardened journals | Extends bearing life by 30,000+ hrs |
✅ Verified Applications
- Commercial Vehicles
✔️ Isuzu NPR 250/NQR 300 (2010-2022)
✔️ Refrigerated Transport Trucks
✔️ Urban Delivery Vans - Industrial Use
✔️ 4BC2 Diesel Generators (20-50kVA)
✔️ Agricultural Pump Systems
✔️ Construction Equipment Power Units
🛡️ Quality Assurance
- Certifications
🔹 ISO 9001:2015 Certified Production
🔹 SAE J2403 Dynamic Balance Tested
🔹 RoHS-Compliant Material Certificates
🌍 Global Supply Advantages
| Feature | Benefit |
|---|---|
| Bulk Pricing | 15-30% discount for 10+ units |
| Custom Packaging | Barcode tracking + multilingual manuals |
| Fast Logistics | DDP shipping to 150+ countries |
| Technical Support | 24/7 multilingual WhatsApp support |
Other Supported Isuzu Crankshaft Models
| Model | Model | Model | Model | Model |
|---|---|---|---|---|
| 4HF1 | 4HG1T | 4HK1 | 4HE1T | 4BA1 |
| 4BC2(DB33) | 4BG1 | 4FC1 | 4JA1 | 4JB1 |
| 4DA1 | 4JB1T | 4BE1 | 4JG1 | 4JG2 |
| C223 | C240 | C190 | 600P | 4BB1 |
| 4ZE1 | 4ZD1 | 4ZA1 | 4ZB1 | 4BD1/4BD1T |
| 4JJ1 | G161 | 6BB1(NEW) | 6BB1(OLB) | 6BG1 |
| 6HE1 | 6HK1 | 6SD1 | 6WA1 | 6WG1 |
| 6HH1 | 6QA1 | 6BD1T | DB58 | 6BF1 |
| 6BD1 | 6SA1 | DH100 | 10PC1 | 10PB1 |
| 10PE1 | 10PD1 | 12PC1 | 12PD1 | 6RB1 |
we can also develop customized/billet crankshafts per your drawing or sample.
📞 Contact Us for DB33 Solutions
Email: [email protected]
WhatsApp: +86 13889277673
Urgent Orders: 24-hour expedited production available
