The best option we carry for electric leveling jacks for your 2003 Coachmen Santara is from Ultra-Fab, and they should only be used on the rear of a motorhome.
The Ultra-Fab Power Twin Electric Stabilizer # UF39-941707 offers 22" of lift and fits RVs with frames that are 42" to 77" wide; it also requires 24" of space on the frame of your motorhome. The other option is the Ultra-Fab # UF39-941705 which offers 30" of lift and fits frames that are 48" to 80" wide. view full answer...