Description
18005544 – DELCO HY-POWER FLOW SWITCH (501830C91)
PART NUMBER(S):
Fleet Products: 18005544 (New) | OE: 18002912 Delco 501830C91, Haldex RV20001K, 501830C91, DEL58002912
DESCRIPTION:
Model: Delco Hy-Power Flow Switch – OEM Replacement (New)
Vehicles: Navistar IHC (1973–1983); GMC/Chevrolet medium-duty trucks (1977–1987); GM and IHC buses with Delco Hy-Power systems
• New flow switch 1 Prong
• Designed for units: 6700411L/M, 6700412L/M, 6700413L/M, 6700240H/B
• Ensures proper hydraulic flow monitoring for brake booster operation
• Direct-fit for Delco Hy-Power systems
Applications: Is this the right flow switch for your hydraulic brake system? Yes—engineered for Delco Hy-Power boosters used in IHC trucks (1973–1983) and GM/GMC medium-duty platforms (1977–1987). Ensures reliable operation of 18001810, 18003998, and 18001047 Hy-Power booster assemblies.
Used on Delco Hy-Power booster assemblies 18001810, 18003998
CROSS-REFERENCE(S):
18005544, 501830C91, 600-501830C91, RV20001K, 5396-RV20001K, HDXRV20001K, ZZRV20001KM1D, 767653166988, MIDRV20001K
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Verify compatibility with Delco Hy-Power units (6700411L/M, 6700412L/M, 6700413L/M, 6700240H/B) before install
✔ Used specifically on Hy-Power booster assemblies (18001810, 18003998, 18001047)
✔ Install with proper sealing to prevent fluid leaks and ensure accurate flow detection
✔ Use only DOT 3 or DOT 4 brake fluid in connected hydraulic brake systems
✔ New part – does not require core return
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Warranty Information
