Skip to main content
Free Canada-wide shipping Fitment help available
Find parts for your truck Year • Make • Model
Whelen M4J red/blue surface-mount LED lighthead

Whelen M4J red/blue surface-mount LED lighthead

Part #: WHNM4J

Whelen Engineering Company, IN

  • $418.99
    Unit price per 
Free Shipping in Canada.
Check fitment with our Vehicle Finder

Choose your truck to see whether this part is matched to your vehicle. We’ll save your selection while you shop.

Available to order
Canada-wide shipping Shipping details are shown at checkout.
Need fitment help? Email your year, make and model
Before ordering: verify year, make, model, trim/drivetrain and any fitment notes shown below. If anything is unclear, contact us before purchase.


Product details

The Whelen M4J is a red/blue split-colour surface-mount warning lighthead with an internal flasher.

Whelen M4J red/blue surface-mount LED lighthead

Product details

  • Manufacturer model: M4J
  • M4-series red/blue surface-mounted LED warning lighthead. Verify power, wiring and mounting interface; no vehicle year/make/model claim is made.
  • Compatibility is electrical/control-system or mounting-interface specific, not a blanket vehicle fit. No vehicle year/make/model fitment is claimed.

Important notes

  • Special-order item.

Features

  • Internal flasher with selectable flash patterns.
  • Synchronization feature.
  • Clear lens.

You may also need