Silicone Water Passage Seal Can Be Used Where Contact With Oil Is Unavoidable During Assembly Of Cylinder Heads
Usage:
3306, 3306B Truck Engines
The 4W8087 EPDM Water Seal (red) that is used on 3306 and 3306B Truck Engines is not compatible with oil. The 9Y1798 Water Seal (yellow) is made of silicone and has a nylon insert. The 9Y1798 Water Seal is available for parts service where contact with oil is unavoidable during cylinder head repair.
Caterpillar Information System:
1988/06/01 Installation Of Valves For Live Oil Sampling
1988/06/01 Lubricant Supplement Lists Specifications For CXP Lubricants
1988/06/01 Reusability Guidelines For Phosphate/Oil-Coated And Zinc-Plated Fasteners
1988/06/01 Maintenance-Free Batteries Require Different Troubleshooting Procedures
1988/05/01 List of Service Publications
1988/05/01 New 1U8115 Generator Test Lead Set With Insulated Tips
1988/05/01 New 1U9139 Universal Fuel Line Pickup Available
1988/05/01 New Diaphragm For Brakesaver Control Valve
1988/05/01 New Components Used In Water Lines Groups
1988/05/01 Ways To Prevent Overcooling Of 3306B (63Z, 76R) Truck Engines
1988/04/01 Remanufactured Cylinder Heads For 3406 Engines
1988/04/01 List of Service Publications
1988/06/01 Piston Application Guide
1988/06/01 Software Upgrade For The 8T5282 Digital Diagnostic Tool (DDT)
1988/06/01 New Crankshaft Damper Has Rubber Bonded To Hub And Ring
1988/07/01 Vehicle Speed Calibration Can Be Corrected Without Knowing Number Of Transmission Chopper Teeth
1988/07/01 Improved Locknut In Timing Advance On Fuel Pump And Governor Drive Group
1988/07/01 Seals In Variable Timing Advance Available For Parts Service
1988/07/01 Fans Now Have Five Blades Instead Of Four
1988/07/01 New Service Tools Available
1988/08/01 Stronger Oil Pan Available For Severe Applications
1988/08/01 High Pressure Sealed Cap Available For Nipples Used For Diagnostic Testing And S *O*S Oil Sampling
1988/08/01 New Service Tools Available
1988/08/01 List of Service Publications