Here is everything listed in the Maxum catalog for Windshield. Doesn't seem these are listed so your best bet may be through Taylor Made.
Catalog is located here:
http://www.maxumcustomercare.com/
WINDSHIELD
Ref Part No. Description
16 - 1833703 W/S, 1800SR-07 PNL PRT FRNT/WING ASSY
17 - 1769186 W/S, 180/185BR/1800SR-05 PNL CTR ASSY
18 - 1833706 W/S, 1800SR-07 PNL STB FRNT/WING ASSY
* - 1692874 WINDSHIELD BRACE, FOOT ADJ BASE SS 18D ROT.
* - 1703244 CONN, 7/8" TUBE 1/4-20
* - 1692399 WINDSHIELD BRACE, SOCKET SS 7/8"
* - 1754956 GASKET, DBL-D SEAL BLK W/ADH
* - 1703429 COVER, SCREW D-SHAPE 19'
* - 1693420 WASHER, SPACER NYLON 0.49OD X 0.26ID X 0.24