Quick Details

  • Type: Piston
  • Size: 90-150mm
  • OE NO.: 4JA1 4JB1 4HE1 4HG1 4HK1 6SD1 4BD1 6BF1 6BG1 4HE1 4HF1 4BF1 4BE1
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Union
  • Model Number: 4JA1 4JB1 4HE1 4HG1 4HK1 6SD1 4BD1 6BF1 6BG1 4HE1 4HF1 4BF1 4BE1
  • Engine type: Diesel
  • Cyl. no: Four
  • No. rings: 3 rings
  • Matierial: ZL108 ZL109 Aluminum

Packaging & Delivery

Packaging Details: Union packing or according to customer's requirements
Delivery Detail: Usually 2-5 days in stock

piston, piston kit,  piston set,engine piston, piston engine parts.



1,  engine pistons  4JA1 4JB1 4JG1 4JH1 4JJ1 4JK1 4BA1 4BB1 4BC1 4BD1 4BE1 6BF1 6BG1 4HE1 6HE1 6HF1 4HG1 6HH1 6HK1 10PC 10PD 6SD1 6WG1:


Engine modelsDiameter(mm)No cylindersEngine modelsDiameter(mm)No cylinders
4JA1 piston9346BG1 piston1056
4JB1 piston9344HE1 piston1104
4JG1 piston95.444HF1 piston1124
4JH1 piston95.446HE1 piston1106
4JJ1 piston95.444HF1 piston1124
4JK1 piston95.444HG1 piston1154
4BA1 piston9846HH1 piston1156
4BB1 piston10246HK1 piston1156
4BB1 piston102410PC1 piston11910
BC2 piston102410PD piston11910
4BD1 piston10246SD1 piston1206
6BD1 piston10268PE1 piston1298
4BE1 piston10546RB1 piston1356
6BF1 piston1056E120 piston1356
   6WG1 piston1476


 2, reference information of engine PISTONS


 Raw materialZL109 Aluminum Alloy, Alloy cast iron 
FeaturesTop anodic oxidation, Alfin, skirt printed by silk screen, Skirt sprayed graphite, Tin-plated, oil cooling channel or gallery, Invar inserting, 
OEM quality, guarantee 100000KM


Union enterprise manufacture OEM-quality pistons and piston rings for Japanese and Korean diesel engines(full range), and supply directly for Chinese diesel engines.



Our goal:

   Making every new customer be regular customers.


For details about our factory, samples, pictures, products, please contact us.


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