Arrma 3S BLX Differential Case Set (37T)


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Arrma 3S BLX Differential Case Set (37T)

This is a replacement Arrma 37 Tooth 3S BLX Differential Case Set. This high-quality Diff Case 37T Main Gear set provides replacement parts for your kit supplied items.


  • Tough composite material for durability and consistent performance under extreme operating conditions
  • Precision manufactured gear tooth configuration for smooth and trouble-free gear operation
  • High-quality diff case molding ensures a reliable diff seal
  • Integrated ring gear and diff case for strong construction


  • (1) Ring Gear with Integrated Diff Case
  • (1) Diff Case Cap


  • ARA310873 – HD INPUT GEAR 13T (1pc)
Weight.5 lbs