XE278114-SP Defender X-Arm Base for Thomas C2

Spec sheet

Collected from 2 supplier pages - confirm fit with the supplier before ordering.

- XE278114-SP - 2004+ Thomas C2 Electric Defender Series Crossing Arm Base - **Base Only, Doesn't include Poly Rod / Cover** - Mounted behind bumper - Quick Disconnect - Made in the USA - Warranty: Two (2) years for all components from the date of manufacture (as evidenced by the SMI product labels on the product).

Suppliers (2)

• TAC Bus Parts

  XE278114-SP Defender X-Arm Base for Thomas C2 · In stock

  Checked Oct 29, 2026
  $581.52
  View at supplier
• Unity School Bus Parts

  XE278114-SP, SMI 2004+ Thomas C2 Electric Defender Series Crossing Arm Base - Base Only · In stock

  Checked Oct 28, 2026
  $584.14
  View at supplier

Specifications and fitment

Part Number

XE278114-SP

Warranty

Two (2) years

Features

• Base Only, Doesn't include Poly Rod / Cover
• Mounted behind bumper
• Quick Disconnect
• Made in the USA

Fits

• SMI Cover, Slush Electric X/A C2 - Fits XE278114-SP: 071216
• SMI Assembly, Polyrod C2 - Fits XE278114-SP: 071291
• Works with Electric Stop Arm Motor For the New Defender Series: 007178K
• Works with Single Pole Crossing Arm (2004-Current Thomas C2): 068177K

Price history