whats the diff between these parts,
the first two say i only need 1..the last 2 say i need two
SKU: 2XJ-W2151-81-00
FRONT FENDER COMP. YB(U49
SKU: 2XJ-W2151-C1-00
FRONT FENDER COMP. DPBSE(U49
-----------------------------------------
SKU: 2XJ-21556-80-00
FENDER, FRONT 2 YB(U49
SKU: 2XJ-21556-C0-00
FENDER, FRONT 2 DPBSE(U49
the first two say i only need 1..the last 2 say i need two
SKU: 2XJ-W2151-81-00
FRONT FENDER COMP. YB(U49
SKU: 2XJ-W2151-C1-00
FRONT FENDER COMP. DPBSE(U49
-----------------------------------------
SKU: 2XJ-21556-80-00
FENDER, FRONT 2 YB(U49
SKU: 2XJ-21556-C0-00
FENDER, FRONT 2 DPBSE(U49