you may contact pak suzuki directly through regular mail sent via courier, if they respond in positive buy a new engine with invoice containing engine number. swap you can seek from any of their authorized workshops. It is very highly unlikely that they entertain such request for engine only but no harm to attempt.
- if the new engine you need was never introduced in any local variant or not into the vehicle you seek swap for, they will decline. so make sure you mention the vehicle make & year model for which you need the new engine., keep us posted