3937931 Boom Cylinder Seal Kit fits Caterpillar 312E 313F L 313F LGC 314D CR 314D LCR 314E CR 314E LCR 315F LCR

• Fits Caterpillar Cylinders
• #312E Boom Cylinder#3852828
• Serial#GAC1-;MJD1-;PZL1-;WEY1-
• #313F L Boom Cylinder#3852828
• Serial#DJE1-UP;NLG1-UP;PRG1-UP
• #313F LGC Boom Cylinder#3852828
• Serial#GJD1-UP;HDK1-UP;ZGS1-UP
• #314D CR Boom Cylinder#3852850
• Serial#PDP1-UP;WLN1-UP
• #314D LCR Boom Cylinder#3852850
• Serial#BYJ1-UP;SSZ1-UP;TXN1-UP;XHR1-UP
• #314E CR Boom Cylinder#3852850
• Serial#ECN1-UP;GMD1-UP
• #314E LCR Boom Ccylinder#3852850
• Serial#DKD1-UP;YCW1-UP;ZJT1-UP
• #314E LCR Boom Cylinder#4156387
• Serial#DKD1-UP
• #315F LCR Boom Cylinder#3852828,3852850,4156387
• Serial#TDY1-UP
• #315F LCR Bucket Cylinder#3852885
• Serial#TDY1-UP
• 75mm Rod 
• Bushing
• After market seal kit for Caterpillar equipment