12 Volt 30 Amp 14VDC Multi-Use Relay with Diode for Starter, Fuel Pump, Brake Light, ECM or Ignition: Fits 1991-2007 Harley Touring, Softail, Dyna, FXR, Sportster with Diode - Replaces HD# 31504-91A/B

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Management number 218152254 Release Date 2026/05/03 List Price $8.40 Model Number 218152254
Category

The starter relay is a necessary component in all electric start systems to reduce the current through the starter button preventing it from melting. This relay is rated at 30 Amps, so it can easily handle a high current draw. 12 Volt, 30 Amp, 14VDC, OE style direct replacement. This relay also features a diode to ensure a smooth transition between states when the relay is switched such that any transient voltage spike is suppressed. This relay is multi-use, meaning that it also works with other components like the Fuel Pump, Brake Light, Horn, ECM Power or Ignition depending on the model (See fitment in the description for the specific use per model) Fitment: 1991-2007 Harley Models with Diode (See below for the specific use per model) Starter Relay: 1993-2007 FL Touring (Except 1995-1996 EFI Models), 1993-1999 FX/FL Softail & FXD Dyna, 1993-1994 FXR & 1993-2004 XL Sportster Models Brake Relay: 1991-2007 FL Touring Models Horn Relay: 1997-1999 FL Touring Models INTERNATIONAL ONLY ECM Power Relay: 1997-1998 Fuel Injected (EFI) FL Touring Models ONLY & ALL 1999-2007 FL Touring Models Fuel Pump Relay: 1997-2001 Fuel Injected (EFI) FL Touring Models Ignition Relay: 2000-2007 FL Touring Models (Except FLHR) Replaces HD# 31504-91A/B

  • The starter relay is a necessary component in all electric start systems to reduce the current through the starter button preventing it from melting. This relay is rated at 30 Amps, so it can easily handle a high current draw. 12 Volt, 30 Amp, 14VDC, OE style direct replacement.
  • This relay also features a diode to ensure a smooth transition between states when the relay is switched such that any transient voltage spike is suppressed.
  • This relay is multi-use, meaning that it also works with other components like the Fuel Pump, Brake Light, Horn, ECM Power or Ignition depending on the model (See fitment in the description for the specific use per model)
  • Fitment: 1991-2007 Harley Models with Diode (See below for the specific use per model) Starter Relay: 1993-2007 FL Touring (Except 1995-1996 EFI Models), 1993-1999 FX/FL Softail & FXD Dyna, 1993-1994 FXR & 1993-2004 XL Sportster Models Brake Relay: 1991-2007 FL Touring Models Horn Relay: 1997-1999 FL Touring Models INTERNATIONAL ONLY ECM Power Relay: 1997-1998 Fuel Injected (EFI) FL Touring Models ONLY & ALL 1999-2007 FL Touring Models Fuel Pump Relay: 1997-2001 Fuel Injected (EFI) FL Touring Models Ignition Relay: 2000-2007 FL Touring Models (Except FLHR)
  • Replaces HD# 31504-91A/B
Model BPD-16407
Brand Name Billet Proof Designs
Item Weight 2 Ounces
Part Number BPD-16407
Contact Type Normally Open
Manufacturer Billet Proof Designs
Mounting Type Plug In Mount
Connector Type Plug-In
Current Rating 30 Amps
Contact Material Aluminum
Specification Met OEM
Included Components Relay

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