PB1785ND | Genuine OEM International/Navistar Intake Manifold Heater Relay EGR

The PB1785ND Genuine OEM International/Navistar Intake Manifold Heater Relay is an electrical relay used to control the intake manifold heater circuit on compatible diesel engine applications. It helps manage electrical power to the intake air heating system during engine operation and starting conditions.

PRODUCT INFORMATION

Part Number: PB1785ND
Brand: International® / Navistar®
Condition: New
Component: Intake Manifold Heater Relay
Fuel Type: Diesel
Engine Applications: Varies by vehicle configuration
System: Engine Electrical
Function: Intake Manifold Heater Control

APPLICATIONS

Compatible with selected International/Navistar diesel engine applications. Exact fitment depends on the truck model, model year, engine, electrical configuration, and original equipment specifications.

FUNCTION

The Intake Manifold Heater Relay controls the electrical circuit that supplies power to the intake manifold heater. Proper operation of the relay helps the intake air heating system function as designed during applicable engine operating conditions.

A worn, damaged, or failing Intake Manifold Heater Relay may cause symptoms such as:

• Intake manifold heater not operating
• Difficult engine starting in cold conditions
• Reduced intake air heating
• Intermittent heater operation
• Relay or heater circuit electrical faults
• Engine starting performance issues

WHY REPLACE AN INTAKE MANIFOLD HEATER RELAY?

A faulty Intake Manifold Heater Relay can prevent the intake heater from receiving the required electrical power. Replacing a damaged relay can help restore proper operation of the intake manifold heater circuit.

FITMENT INFORMATION

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Please verify Part Number, VIN, model, engine, model year, electrical configuration, and original equipment specifications before ordering.

If you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.

GENUINE INTERNATIONAL® / NAVISTAR® PART

Part Number: PB1785ND