2478308400 Blower Motor for MERCEDES-BENZ
Primary OE reference: 2478308400
Cross-reference 1: 2312086
Product type: Automotive HVAC Blower Motor
Applicable vehicle: MERCEDES-BENZ
Brand: MERCEDES-BENZ
Model: Confirm by OE reference
Electrical match: Confirm voltage, plug key and terminal count against the original motor
Motor interface: Compare flange contour, screw spacing and motor-body depth
Fan wheel check: Verify wheel diameter, height and rotation direction before ordering
HVAC function: Cabin airflow depends on the motor, fan wheel, resistor or controller, wiring and an unobstructed filter working together.
Installation guidance: Do not energize the unit while loose in the housing; secure it correctly before performing the functional check.
Fitment basis: Check voltage, rotation direction, cable exit and the position of every locating tab against the existing blower.
Quotation information: Provide the OE number, vehicle application, quantity and delivery country
2478308400 Automotive Blower Motor Overview
Use 2478308400 as the initial catalogue reference for the pictured cabin blower motor, then confirm the physical interfaces.
For catalogue item 6232-086, Cabin 2478308400 airflow depends on the 2478308400 motor, fan wheel, resistor or controller, wiring and an unobstructed filter working together. Use 6232-086 when comparing this 2478308400 airflow configuration.
OE Reference and Application
The primary catalogue number is 2478308400. The recorded application is MERCEDES-BENZ. For 6232-086, Review the original connector photograph and fastening layout when catalogue applications include more than one HVAC configuration. Record 6232-086 with the approved OE reference.
HVAC Interface and 2478308400 installation
During work on 6232-086, Inspect the resistor or electronic controller and connector terminals if the original fault involved intermittent speed operation. Recheck 6232-086 before the lower trim is closed.
For item 6232-086, confirm that the 2478308400 centrifugal wheel clears its housing and that the 6232-086 connector lock engages without force. After seating 6232-086, test the available fan speeds and listen for rubbing, imbalance or intermittent electrical operation linked to 6232-086.
Automotive HVAC Blower Motor Specifications
| Product type | Automotive HVAC Blower Motor |
|---|---|
| Primary OE reference | 2478308400 |
| Cross-reference numbers | 2312086 |
| Vehicle brand | MERCEDES-BENZ |
| Vehicle model | Confirm by OE reference |
| Model year | Confirm by OE reference |
| 2478308400 installation area | Cabin HVAC / heater blower housing |
| Main interfaces | Electrical connector, mounting flange and centrifugal fan wheel |
| Fitment method | OE-number and physical-geometry comparison |
Quality and Trade Supply
For product 6232-086, Packing preparation accounts for the 2478308400 motor weight and wheel shape to reduce movement inside the carton. The 6232-086 record remains the picking reference.
For trade item 6232-086, To reduce selection errors, include the original-part photograph and connector view with the purchase list. Keep 6232-086 on the packing instruction.
Frequently Asked Questions
How should item 6232-086 and blower number 2478308400 be verified?
Match 6232-086 to the complete 2478308400 marking, then compare the 6232-086 plug, terminal count, mounting flange and wheel dimensions with the removed MERCEDES-BENZ unit.
Can 6232-086 have more than one vehicle-side blower configuration?
Yes. MERCEDES-BENZ production changes can affect 6232-086; confirm steering position, climate-control specification and the original 6232-086 geometry before approval.
What circuit checks are useful when 6232-086 does not operate?
For 6232-086, inspect the fuse, relay, speed resistor or controller, wiring and ground before replacing the 6232-086 motor again.
Which details should accompany a wholesale request for 6232-086?
Provide item 6232-086, OE 2478308400, the stated application, quantity and destination; add 6232-086 carton or private-label requirements separately.
How can noise be avoided after fitting 6232-086?
Clear debris from the air inlet, check that the 6232-086 wheel turns freely, seat the 6232-086 flange evenly and keep wiring away from the impeller.
Request a quote for 6232-086: Send 2478308400, the 6232-086 application and required quantity for a fitment and supply review.
