Description
MODEL 4 HEATER KIT
PART NUMBER(S):
[Fleet Products] 102657-G3, 102657G3 | [Haldex] 102657-G3 | [Automann] 170-102657
DESCRIPTION:
Model: Model 2 & Model 4 Air Dryers
Vehicles: Trucks, buses, military vehicles, and heavy vehicles equipped with Model 2 or Model 4 air dryers
• Heater kit prevents freeze-up by maintaining optimal temperature in air dryer assembly
• Compatible with air dryer models 286934X, 286936X, 65041X
• Voltage: Typically 12V or 24V DC
• Heater wattage: 75W
• Mounts directly into Model 2 and Model 4 air dryers
• Integrates with dryer thermostat and control circuit, activating around 35°F (1.7°C) to prevent freeze
Applications: Used to maintain dryer functionality in cold climates by heating internal air dryer components, ensuring continuous air brake system reliability
CROSS-REFERENCE(S):
102657G3, 102657-G3, 170-102657, 102657, 102657K, H102657, 286934X, 286936X, 65041X, 102657, 102657K, BEN102657, H102657, MID102657K, 1113554, 641141, 745-102657N, BAN102657N, BEN102657N, BW102657, 1C1300H, BW4143, BW102657N, BX102657, BX102657N, R955102657N, TWDBEN102657N
A cross-reference listing means these numbers identify equivalent parts from different manufacturers or distributors that fit the same application.
IMPORTANT INSTALLATION NOTES:
- Depressurize air system before servicing or installation
- Verify heater voltage (12V vs. 24V) to prevent electrical damage
- Follow dryer manufacturer instructions for wiring and thermostat integration
- Confirm mounting bracket alignment on military or specialty vehicles
- Ensure all seals and connectors prevent moisture ingress for reliable operation
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Warranty Information
