Description
MODEL IS GOVERNOR/CHECK VALVE KIT
PART NUMBER(S):
Fleet Products: 5004049-G3
OE: 5004049, BW5004049, BW5004049N, 670-S27086, 5004049, S-27086, S27086
Automann: 170.5004049
DESCRIPTION:
Model: Haldex Model IS / Bendix AD-IS Air Dryers
Engines: N/A – Air System Component
Vehicles: Compatible with vehicles using Haldex Model IS and Bendix AD-IS air dryers
• Governor Cut-in: 105 psi
• Governor Cut-out: 125 psi
• Governor Set Pressure: 135 psi
• Port Sizes: 1/8 in-27 NPT (unloader & reservoir)
• Operating Temperature Range: -40°F to 200°F
• Mounting Style: Threaded Ports, Standard Fit
Applications:
Used on trucks, buses, and trailers equipped with Bendix AD-IS or Haldex Model IS air dryers. Replaces worn or malfunctioning governor and check valve assemblies to maintain proper air pressure regulation and system safety.
CROSS-REFERENCE(S):
5004049, 5004049K, BW5004049, BW5004049N, 800361, R9555004049N, TR5004049, OTR5004045, S-27086, S-H001056, 5003564, 5004049N, S27086, SH001056, 060-5004049, 745.5004049, BEN-5004049, BER-5004049, BER5004049, WA5004049, 404822, 170.5004049A cross-reference listing means a functionally equivalent part number from another manufacturer or distributor.
IMPORTANT INSTALLATION NOTES:
✔ Always depressurize the air system before installation.
✔ Verify 1/8 in-27 NPT thread compatibility for unloader and reservoir ports.
✔ Includes governor, check valve, gasket, O-rings, and lube; reuse mounting bolts.
✔ Designed as a direct-fit service kit for Haldex IS and Bendix AD-IS systems.
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Warranty Information
