Isuzu 4JA1 Crankshaft for Isuzu Pickup with KB250 2.5L Engine

Looking for a durable and reliable crankshaft for your Isuzu 4JA1 engine? Check out our forged steel, tufftrided, OEM quality crankshaft with precision machining and testing. Compatible with various applications and brands.

Isuzu 4JA1 Crankshaft

The Isuzu 4JA1 crankshaft is a vital component of the Isuzu 4JA1 engine, which is a 2.5 L (2,499 cc) direct injection diesel engine with a 93 mm bore and a 92 mm stroke. The Isuzu 4JA1 engine is widely used in various applications, such as light trucks, pickups, SUVs, buses, generators, and agricultural machinery.

Features of Isuzu 4JA1 Crankshaft

  • Made of high-quality forged steel for durability and strength
  • Tufftrided (nitrized) to increase surface hardness and wear resistance
  • Precision machined to ensure smooth operation and balance
  • Tested and inspected to meet OEM specifications and standards
  • Compatible with Isuzu 4JA1 engine models and brands

Product Information of Isuzu 4JA1 Crankshaft

Item Specification
Material Forged steel Or Iron Casting
Production process Forging, machining, tufftriding, grinding, polishing
Application Isuzu 4JA1 engine
Engine model A-4JA1
Engine type Direct injection diesel
Displacement 2.5 L (2,499 cc)
Bore x stroke 93 mm x 92 mm
Compression ratio 18.2:1
Power output 58 kW (78 hp) at 3,900 rpm
Torque output 176 N⋅m (130 lb⋅ft) at 2,000 rpm

Other Related Models of Isuzu Crankshaft

We also offer other models of Isuzu crankshaft for different engine types and applications. Here are some of them:

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

If you are interested in our crankshafts or have any questions, please feel free to contact us. You can fill out the  Enquiry form or email us, We look forward to hearing from you soon


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