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: Model IS Air Dryers
Vehicles: Compatible with vehicles using Model 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 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, 170.5004049
A 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 Model IS Air Dryers
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Warranty Information