Caterpillar Rebuilt Kit for 3406 Caterpillar engines.
For engines with Arrangement #s: 4N2239
Serial number Prefix : 91U
This premium rebuilt kit includes the following:
• Piston • Piston pin
•Piston pin retainer
• Piston ring set
• Liner
• Liner seals
• Connecting rod shell sets
• Crankshaft shell sets
• Thrust washers
After placing your order online for this item, we will contact you to request the specific size information of your crankshaft bearings and connecting rod bearings engine has. Please consult with your mechanic so that you have this information available for us to collect. We will call you the same day so that we can ship the parts to you within 24hrs.
1.- Crankshaft bearing size: standard, 0.10, 0.20, 0.30
2.- Connecting rod bearing size: standard, 0.10, 0.20, or 0.30"