Application | Type of Material | GM Part Number |
|---|---|---|
Air Brake System Alcohol Evaporator | Commercial grade of methyl alcohol as specified in GM 6015M | -- |
The Brake Caliper V-Ways, the Brake Caliper Retainer, and the Brake Caliper Retainer Spring | Aeroshell #5 Lubricant | 12377985 |
Chassis Lubrication | Chassis lubricant that meets the requirements of NLGI Brake 2, Category LB or GC-LB | 1052497 |
Clutch Bearing Lubricant | Clutch bearing lubricant or NLGI #3 consistency | 12378484 |
Engine Coolant | ||
| 50/50 mixture of clean drinkable water and use only GM Goodwrench® DEX-COOL™ or Havoline® | -- |
| Refer to Caterpillar® Operation and Maintenance Manual. | -- |
Engine Oil | ||
| Engine oil with the American Petroleum Institute Certified for Gasoline Engines "Starburst" symbol of the proper viscosity. In order to determine the preferred viscosity for your engine, refer to Engine Oil in the GM Owner's Manual. | -- |
| Refer to the Caterpillar® 3126 Diesel Engine Operation and Maintenance Manual for engine oil recommendations. | -- |
Hydraulic Brake System | Delco Supreme 11® brake fluid or equivalent DOT-3 brake fluid. | 12377967 |
Hydraulic Clutch System | Delco® Hydraulic clutch fluid or equivalent DOT-3 brake fluid with emission modifier. | 12345347 |
Propshafts and Splines | Wheel bearing lubricant that meets the requirements of NLGI Grade 2, Category GC or GC-LB or equivalent. | 1051344 |
Rear Axle | SAE 75W-90 synthetic gear lubricant or equivalent. | 12345841 |
Spring Parking Brake Hydraulic Pump | GM automatic transmission fluid DEXRON®-III or equivalent. | 12346143 |
Transmission Fluid | ||
| Refer to the Allison® Transmission Operator's Manual for the correct transmission fluid. | -- |
| Synthetic manual transmission fluid. | 12345724 |
Two Speed Rear Axle Shift Motor (Air Shift) | DEXRON®-IIIautomatic transmission fluid. | 12346143 |
Front Wheel Bearing Grease, Except Oil Filled Hubs | Wheel bearing lubricant meeting requirements of NGLI #2, Category GC or GC-LB GM P/N 1051344 (Canadian P/N 993037) or equivalent. | 1051344 |
Front Wheel Bearing with Oil Filled Hubs | SAE 75W-90 Synthetic Axle Lubricant for Medium Duty Trucks GM P/N 12345841 (Canadian P/N 10953512) or equivalent | 12345841 |
Windshield Washer Solvent | GM Optikleen® washer solvent or equivalent. | 1051515 |
