SMA 7120 7K KIT CONTROL MODULE 7-SERIES

Spec sheet

Collected from 3 supplier pages - confirm fit with the supplier before ordering.

This is a replacement part for 7-Series units only. It is specifically designed for Defender 7-Series Crossing Arm Bases used on Blue Bird, Thomas, Collins, Girardin, Starcraft, and TransTech buses. The part will not function in 5 or 6 series units and is Made in USA.

Suppliers (3)

• BuyParts.Online

  SMA 7120 7K KIT CONTROL MODULE 7-SERIES · In stock

  Checked Oct 28, 2026
  $282.58
  View at supplier
• BPW Direct

  K Specialty 7-series Electronic Control Module · In stock

  Checked Oct 28, 2026
  $283.71
  View at supplier
• Bus Part Experts

  SMA 7120 7K KIT CONTROL MODULE 7-SERIES · Orderable · stock unverified

  Checked Oct 28, 2026
  $342.90
  View at supplier

Specifications and fitment

Vendor

Thomas Built Buses

Product Type

Thomas Built Buses Part

Condition

New

Warranty

1 Year Manufacturer

Oversized

No

Cross Reference

SMI-7120K 10031181, 071207K, BB122, 7120-7k, 07-S-7120, S7120-7K, 7120-7, 007120-7K, SMI - 7120K, 13-66120, 85651917, NBPSPE6120, NBPSPE7120-7K, SMC6120, 6120, 7120, SMA7120

Features

• For 7-Series Units only - will not work in 5 or 6 series units.
• Made in USA

Fits

• Thomas C2 Defender 7-Series Crossing Arm Base XE278114
• International Defender 7-Series Crossing Arm Base 78120
• International Defender 7-Series Crossing Arm Base XE278198
• Blue Bird Defender 7-Series Crossing Arm Base 78138
• Defender 7-Series Stop/Crossing Arm Base 78106

Price history