3611131 Coupler Cylinder Seal Kit fits Caterpillar 308D CR 308D CR SB 308E 308E2 CR 416F 416F2 420F/420F IT 420F2/420F2 IT 430F/430F IT 430F2/430F2 IT 434E 444F

• Fits Caterpillar Cylinders  
• #308D CR Coupler Cylinder#3611139
• Serial#GBT1-
• #308D CR SB Coupler Cylinder#3611139
• Serial#FYC1-
• #308E Coupler Cylinder#4555975
• Serial#GBJ1-UP
• #308E2 CR Coupler Cylinder#3611139,4555975
• Serial#FJX1-UP
• #416F Coupler Cylinder#3611139
• #416F2 Coupler Cylinder#3611139,4555975
• Serial#HWB1-UP;LYA1-UP
• #420F/420F IT Coupler Cylinder#3611139
• Serial#JWJ1-UP;LKH1-UP;LTG1-UP;SKR1-UP
• #420F/420F IT Coupler Cylinder#4555975
• Serial#LKH1-UP;LTG1-UP;SKR1-UP
• #420F2/420F2 IT Coupler Cylinder#3611139,4555975
• Serial#HWC1-UP;HWD1-UP;LYB1-UP;LYC1-UP
• #430F/430F IT Coupler Cylinder#3611139,4555975
• Serial#LDY1-281;LNH1-UP;RDF1-UP;RGS1-UP
• #430F2/430F2 IT Coupler Cylinder#3611139,4555975
• Serial#HWE1-UP;HWG1-UP;LYD1-UP;LYE1-UP
• #444F Coupler Cylinder
• Serial#LJJL1-UP
• 3/4" Rod X 1-1/4" Bore 
• Includes Wiper, U cup, and 5 pc Piston Seal
• #434E Backhoe EXT Stick Cylinder
• Serial#FSH1-UP;SXB1-UP
• 65mm Rod X 4-3/4" Bore 
• Includes Wiper, U Cup, Buffer and Piston Seals
• After market seal kit for Caterpillar equipment