2235944 BH Bucket Seal Kit fits Caterpillar 420D 

• Fits Caterpillar Cylinder
• #420D Backhoe Bucket Cylinder 1668140 
• #420D Backhoe Ext Bucket Cylinder 1668141
• 2-3/4" Rod x 3-3/4" Bore
• Kit includes Wiper, U cup, Buffer and Piston seals
• Includes all rubber  parts for rebuilding Cylinder
• After market seal kit for Caterpillar equipment