ARRMA Steel Diff Outdrive for 29mm Diff Case RC Differential Part - ARA310981

The ARRMA ARA310981 steel diff outdrive is a factory replacement part designed for ARRMA models fitted with a 29mm differential case, supplied as a pair. Differential outdrives are a wear item in any hard-driven RC car, and having the correct steel version on hand keeps your drivetrain running without extended downtime. These outdrives are listed as compatible with several ARRMA 1/7 and 1/8 scale models, making them a straightforward like-for-like replacement when the originals show signs of wear or damage.

Key Features

• Made from steel for greater durability compared to plastic or pot-metal alternatives
• Designed specifically for ARRMA 29mm differential cases, ensuring a precise fit
• Supplied as a pair, so both sides of the diff can be serviced in one go
• Direct factory replacement part — no modification required for installation
• Compatible across multiple ARRMA platforms sharing the same 29mm diff case specification

What's Included

• 2 x steel differential outdrives (ARA310981)

What You Need

• Compatible ARRMA model with a 29mm differential case (see models: ARA7604V2T1, ARA7604V2T2, ARA7816, ARA7816SPMX, ARA7816SPMXT1, ARA7816SPMXT2, ARA7816T1, ARA7816T2)
• Basic RC tools for differential servicing (e.g. hex drivers, diff fluid if rebuilding)
• Differential grease or fluid if carrying out a full diff rebuild at the same time