That hose doesn't need to hold a lot of pressure. Just use some heat shrink or electrical tape if you're in a pinch. However a few feet of vacuum hose at the local parts store should run you less than a dollar a foot.
His: '00 WJ 4.7 Limited- Zone 4" SA lift, JKS BPE's
Hers: '03 WJ 4.7 Laredo- IRO 3", 245/75/16 Duratracs, Bilstein Shocks, JKS TB w/KOR Bushings, Rusty's A-Arm Spacer, CORE4x4 Adjustable Front Control Arms, Dynomax Exhaust, RB1 Nav -Coming Soon- Overland Rock Rails