CAT 159-5149 Fuel End Relay Valve. Fuel-end relay valve for heavy CAT truck air-system applications. Official CAT data includes 1500 psi / 1034.2 kpa; major applications include 769D, 771D, 773D, 773E, 775D, 777D, 785, 785D, 789, 789D, 793, 793D. Contact RUIPO for serial-number fitment checking, stock and export quotation.
CAT 159-5149 Fuel End Relay Valve is identified by Caterpillar part number 159-5149. This component is used to supply modulated air pressure through a pilot-operated relay-valve circuit. The page below combines official CAT product identification, public technical specifications and major compatible models with practical ordering checks for B2B buyers. Final compatibility should always be confirmed by machine or engine serial number before shipment.
Correct relay-valve response is important for predictable air-system actuation on heavy truck applications.
| Spécifications | Détails |
|---|---|
| Numéro de pièce | 159-5149 |
| Search Variation | 1595149 |
| Maximum Operating Pressure | 1500 psi / 1034.2 kPa |
| Cracking Pressure | 4 psi / 27.6 kPa |
| Supply Ports | 1/2-14 NPTF (2X) |
| Delivery Ports | 1/2-14 NPTF (2X) |
| Service Port | 1/4-18 NPTF |
| Nominal Length in CAT Title | 107.70 mm |
These are major applications from Caterpillar public parts information, not a complete serial-number fitment list. Additional CAT arrangements may use the same part number.
RUIPO Spare Parts supplies Caterpillar parts for international B2B customers. Send the part number, required quantity, destination country, engine or machine model and serial number. When possible, include a clear photo of the old part or CAT label. We can help verify the part number, check current stock, confirm packing requirements and prepare an export quotation.
