Description
102657-G3 - MODEL 4 HEATER KIT
PART NUMBER(S):
Fleet Products: 102657-G3 (New) | Replaces OE: Haldex 102657-G3, 102657, 102657K | Automann 170.102657 | Bendix BEN102657, BEN102657N | Meritor R955102657N | Mack 745-102657N | Volvo 1113554
DESCRIPTION:
Model: Model 2 / Model 4 air dryer heater kit
Vehicles: Trucks, buses, military vehicles, and heavy-duty vehicles equipped with compatible Model 2 or Model 4 air dryers
• Heater Wattage: 75W
• Voltage: Confirm 12V or 24V before installation
• Compatible Dryer: 286934X, 286936X, 65041X
• Mounting Style: Direct installation into Model 2 and Model 4 air dryers
• Activation Reference: Thermostat-controlled operation around 35°F / 1.7°C
• Function: Prevents internal air dryer freeze-up during cold-weather operation
Applications:
Used to maintain air dryer function in cold climates by heating internal dryer components. This heater kit supports reliable purge operation and helps prevent moisture freeze-up in Model 2 and Model 4 air dryer systems.
CROSS-REFERENCE(S):
102657-G3, 102657G3, 170.102657, 170-102657, 102657, 102657K, H102657, 286934X, 286936X, 65041X, BEN102657, BEN102657N, MID102657K, 1113554, 641141, 745-102657N, BAN102657N, BW102657, 1C1300H, BW4143, BW102657N, BX102657, BX102657N, R955102657N, TWDBEN102657N
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm heater voltage, dryer model and connector style before installation.
IMPORTANT INSTALLATION NOTES:
✔ Fully depressurize the air system before servicing or installation.
✔ Confirm heater voltage before installation to prevent electrical damage.
✔ Follow dryer manufacturer wiring and thermostat procedures.
✔ Confirm compatibility with Model 2 or Model 4 air dryers before installation.
✔ Inspect seals and connectors to prevent moisture ingress.
✔ After installation, verify heater operation and check for air leaks.
Warranty Information