Find the right aftermarket crankshaft for your Isuzu 3.9L engine! We offer high-quality replacements for both the Isuzu 4BD1 (Naturally Aspirated) and the Isuzu 4BD1T (Turbocharged) variants. Engineered to meet or exceed OEM specifications, these crankshafts provide reliable performance and durability for demanding applications. Ideal for wholesale distributors, engine rebuilders, and fleet maintenance seeking quality Isuzu engine parts. Ensure you select the correct part number for your specific engine model (NA or Turbo).
Key Features & Benefits
- Direct OEM Fit: Manufactured to match original Isuzu crankshaft dimensions for easy installation (verify correct OEM P/N for 4BD1 or 4BD1T).
- Material Options: Available in durable Casting or high-strength Forged Steel (Forged recommended for 4BD1T turbo applications).
- Precision Balanced: Ensures smooth engine operation, reducing vibration and extending component life for both 4BD1 and 4BD1T engines.
- Reliable Performance: Built to withstand the rigors of commercial truck and industrial use.
- Wholesale Sourcing: Access competitive B2B pricing on dependable aftermarket Isuzu crankshafts directly.
Product Specifications: 4BD1 vs. 4BD1T
Crucial Note: The 4BD1 (NA) and 4BD1T (Turbo) engines use different crankshafts. Please carefully check the specifications and your required OEM part number below:
| Feature | Isuzu 4BD1 (Naturally Aspirated) | Isuzu 4BD1T (Turbocharged) |
| Engine Model | 4BD1 (NA) | 4BD1T (Turbo) |
| Example OEM P/N | 8-94328-181-1 | 8-94136-768-0 |
| Material Options | Casting / Forged Steel | Forged Steel / Casting |
| Condition | New Aftermarket | New Aftermarket |
| Approx. Length | ~ 620 mm | ~ 650 mm |
| Main Journal Ø | ~ 75 mm | ~ 80 mm |
| Rod Journal Ø | ~ 60 mm | ~ 64 mm |
| Stroke | 110 mm | 110 mm |
Applications
These crankshafts fit various applications using the Isuzu 3.9L diesel engine series, including:
- Isuzu NPR / N-Series Trucks (Specify 4BD1 or 4BD1T engine)
- Isuzu Industrial Equipment (Generators, Construction Machinery – Specify engine)
- Marine applications (Specify engine)
Compatibility depends on matching the correct crankshaft (4BD1 or 4BD1T specific) to the engine model.
Other Isuzu Related Crankshaft Models
We also supply crankshafts for a wide range of other Isuzu engines. Inquire about availability for:
| Engine Model | Engine Model | Engine Model | Engine Model | Engine 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 | 4JJ1 |
| G161 | 6BB1(NEW) | 6BB1(OLD) | 6BG1 | 6HE1 |
| 6HK1 | 6SD1 | 6WA1 | 6WG1 | 6HH1 |
| 6QA1 | 6BD1T | DB58 | 6BF1 | 6BD1 |
| 6SA1 | DH100 | 10PC1 | 10PB1 | 10PE1 |
| 10PD1 | 12PC1 | 12PD1 | 6RB1 |
Custom billet or forged crankshaft development from your drawings or samples is also possible.
Contact Us
For inquiries about Isuzu 4BD1 or 4BD1T crankshafts, wholesale pricing, bulk orders, or other Isuzu engine components:
- Email: [email protected]
- Phone/WhatsApp: +86 13889277673
Your trusted partner for quality aftermarket Isuzu engine parts.
