Ravi - regu
- Ravigneaux planetary gear set
- raw exhaust gas
- raw rubber
- Raymond-Mays
- rayon
- rays
- RDS
- rdstr
- re-metalling the bearings
- re-sleeve
- reach
- reactance
- reaction
- reaction distance
- reaction injection molding
- reaction member
- reactivate
- reactivation, heat
- reactivation, solvent
- reactive suspension
- reactor
- reactor one-way clutch
- read
- reader
- real-time four-wheel drive
- ream
- reamer
- rear
- rear apron
- rear axle crossmember
- rear axle differential
- rear axle housing
- rear axle housing, banjo type
- rear axle housing, split type
- rear axle ratio
- rear bulkhead
- rear bumper skirt
- rear cabin pillar
- rear corner panel
- rear corner valance
