Traxxas Upper RC Chassis Part - 3729 (6 pack) offering durability at a high-load

offering durability at a high-load point in the drivetrain

Rigid construction maintains shock mounting positions under racing and bashing loads

Team Losi Racing OEM part

40-weight silicone formulation provides mid-range damping suited to a wide range of driving styles and surfaces

As an RC plane fuel tank

Traxxas Upper RC Chassis Part - 3729 (6 pack) offering durability at a high-loadThe Traxxas 3729 Upper Chassis is a genuine Traxxas spare part designed to replace a damaged or worn upper chassis on compatible Traxxas models. Identified by style code TRX3729, this is a direct OEM replacement that restores your RC car's structural integrity without modification. If you've cracked or broken the upper chassis during a hard crash, this is the part you need to get back on track. Key Features Genuine Traxxas replacement part ensures