LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. LH. 999990366-C3. 999990366-C3. Component that the Seat Lap / Shoulder Belt Inserts into.