Genuine 30870937 Multi-Purpose Relay

Brand Genuine 30870937
Fits Volvo · 6 vehicles

OE direct replacement. Multi-purpose relay for dependable electrical switching.

$38.69Free shipping
In stock · usually ships same day before 1pm CST
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Volvo Electrical Relay Replacement

This Genuine multi-purpose relay, part number 30870937, is a direct-fit electrical component for select Volvo S40 and Volvo V40 models. It is used in key vehicle systems including engine control, the heated rear window, and the heater fan.

Key Features

  • Genuine OEM-style multi-purpose relay
  • Part number 30870937 for accurate ordering and service matching
  • Supports engine control, heated rear window, and heater fan circuits
  • Compatible with select 2001-2003 Volvo S40 and Volvo V40 applications
  • Built for electrical relay replacement in body and lighting-related systems

Detailed Description

Use this Genuine relay when servicing electrical control functions on Volvo S40 and Volvo V40 vehicles. The relay helps manage switching for the engine control system, rear window defogging, and cabin heater fan operation. If you are searching for a Volvo S40 relay replacement, Volvo V40 heater fan relay, or a 30870937 multi-purpose relay for 2001-2003 Volvo applications, this part matches the listed fitment.

What It Helps Solve

  • Intermittent or inoperative heater fan operation
  • Rear window defogger not activating
  • Engine control relay switching faults
  • Electrical relay failure causing inconsistent system operation

Installation Notes and Tips

Verify the relay location and part number before replacement. Compare the original relay housing and terminal layout to confirm a proper match for your Volvo S40 or Volvo V40. After installation, test the affected circuit to confirm normal operation of the engine control, heated rear window, or heater fan system.

Quality Assurance

Genuine parts are selected to match the specified vehicle application and OE service requirements for the listed Volvo models. Part number 30870937 is cataloged for direct fitment on the vehicles shown below.

Fits 2003 Volvo S40, N/A. Fits 2003 Volvo V40, N/A. Fits 2001-2002 Volvo S40, N/A. Fits 2001-2002 Volvo V40, N/A.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003VolvoS401.9LL4N/AEngine Control; Heated Rear Window; Heater Fan; L4
2003VolvoV401.9LL4N/AEngine Control; Heated Rear Window; Heater Fan; L4
2002VolvoS40——N/AEngine Control; Heated Rear Window; Heater Fan
2002VolvoV40——N/AEngine Control; Heated Rear Window; Heater Fan
2001VolvoS40——N/AEngine Control; Heated Rear Window; Heater Fan
2001VolvoV40——N/AEngine Control; Heated Rear Window; Heater Fan