Overview
The HPI Racing 161321 Diff Pinion Gear is a genuine 13-tooth replacement pinion for the HPI VectR4's differentials. It drives the 43T diff bevel gear and carries power from the driveshaft into the differential.
The VectR4 is HPI's 1/16 scale electric 4WD mini rally car, with shaft-driven 4WD, three sealed 4-gear differentials, oil-filled adjustable shocks and a 170mm wheelbase. Genuine HPI parts ensure a precise fit for quick repairs and correct maintenance.
Key Features
- Genuine HPI 13T diff pinion gear
- Made for the VectR4's shaft-driven 4WD
- Sold as a single piece
Performance Benefits
- Restores smooth, quiet drive to the differential
- Fixes clicking from chipped or worn teeth
- Keeps the stock final drive ratio
Usage Notes
- Inspect the matching 43T diff bevel gear (HPI161322) at the same time
- Clean old grease and grit from the gearbox
- Make sure the gears mesh smoothly before closing up
Technical Specs
- Brand: HPI Racing
- Item No.: HPI161321
- Part type: Diff pinion gear
- Tooth count: 13T
- Quantity: 1pc
- Scale: 1/16
- Fits: HPI VectR4
What's Included
Fitment
Compatible RC vehicles: HPI VectR4 1/16 scale 4WD rally car (RTR, including the 1996 Sanremo livery and Blue Ford Escort RS Cosworth versions).
Summary
- Genuine HPI Racing part, item no. HPI161321
- Made for the HPI VectR4 1/16 rally car
- Factory-correct fit for fast repairs
