DIRON PARTS professionalmanufacturing cylinder head and blcok,

 first sourceof cylinder head and  block for aftermarketcaterpillar,

cummins, komatsu, detroit.contact:parts"at"dironpartsgroup"dot"com

S6K/3066 Cylinder Head Old  Front 1838171,
S6K/3066 Cylinder Head Old  Back 1838174,
3204 Cylinder Head 6i2378,
3304PC Cylinder Head 8N1188,
3304DI  Cylinder Head 1N4304, 
3306PC Cylinder Head 8N1187, 
3306DI  Cylinder Head 8N6796,
3406PC Cylinder Head 110-5097, 
3406DI Cylinder Head 110-5096, 
D342 D8K Cylinder Head 8N6000, 
D342 D8K Cylinder Head 8N6004, 
3408A Cylinder Head 7N0858, 
3408B Cylinder Head 7W2225, 
3412 Cylinder Head 7W2243, 
3412 Cylinder Head 7N0848, 
3406E / C15 Cylinder Head 245-4324, 

4BT3.9 Cylinder head 3920005,
4BT3.9 Cylinder head Loaded, 
6BTA5.9 Cylinder head 3934730,
6BTA5.9 Cylinder head Loaded, 
6CT8.3 Cylinder head 3904688/3973493, 
6CT8.3 Cylinder head Loaded ,
ISBE/QSB5.9L Cylinder Head Bare 3957386/3943627/3944992, 
ISBE/QSB5.9L Cylinder Head Loaded 3991773,
ISDE/QSB6.7L Cylinder head 3977225,
ISDE/QSB6.7L Cylinder head Loaded 4936081,
ISL/QSB8.9L Cylinder Head 4929518/5314801, 
ISL/QSB8.9L Cylinder Head Loaded 4936714,
K19 Cylinder Head 3811985,
NT855 Cylinder head 3418678,
NH220 Cylinder head NH220 ,

4D95 Cylinder Head, 
6D155 Cylinder head 6128-11-1022, 
6D170 Cylinder head 6162-13-1103, 
6D110 Cylinder head 6138-12-1100, 
S6D125-1S Cylinder head 6151-11-1102, 
SA6D125E-2 Cylinder head 6151-12-1101, 

8V-92 Cylinder head 5149878,
6v-92, 12v92 Cylinder head 5149877,
6-71, 12-71 Cylinder head 5102770,
4-71, 8-71 Cylinder head 5102771,
3-53, 6V53T Cylinder head 5198203,
4-53, 4Valve Cylinder head 5138202,
3304 Cylinder block 1N3574, 
3306 Cylinder block 1N3576, 
S6KT/3066 Cylinder block 2128566,
3116 Cylinder block ,
  
4BT3.9 Cylinder block 3903920,
6BT5.9 Cylinder block 3903797,
6CT8.3 Cylinder block 3939313 single thermostat ,
6CT8.3 Cylinder block 3971411 double thermostat,
ISDE - 4 Cylinder Cylinder block 5274410,
ISDE Cylinder block 4946586 / 4991099, 
ISLE Cylinder block 4946370 / 5260555 ,

4D95 Cylinder block,
6D95 Cylinder block ,
6D102 Cylinder block ,