O-ring to seal the seal head assembly to the rear shock body
Part number: SHOCK-SEAL-HEAD
USD $1.00
Not available separately from Suzuki.
Low $2.50 USA shipping and $4.00 International shipping on typical DR350 orders!
O-ring to seal the seal head assembly to the rear shock body
Quick reference code: OR-12
O-ring to seal the seal head assembly to the rear shock body. One is required. Sold each.

Photo courtesy of Gregory Bender.