These are authorized Isuzu Service dealers near you. They can order any Isuzu parts you want and do authorized Isuzu warranty repairs. They might have some of the parts you want in stock.

MIDWAY ISUZU
8155 W. FLAGLER ST
MIAMI, FL 33144
(305) 266-3000

WILLIAM LEHMAN ISUZU
20950 N. W. 2ND AVENUE
MIAMI, FL 33169
(305) 653-7123

AL PACKER ISUZU
1530 N. MILITARY TRAIL
W. PALM BEACH, FL 33409
(561) 689-6550

DE VOE ISUZU
1411 SOLANA ROAD
NAPLES, FL 34103
(239) 649-1400

GATOR ISUZU
300 EAST NASA BLVD
MELBOURNE, FL 32901
(321) 727-7711

This is where you can look up the part numbers you need-
http://www.myisuzuparts.com

Mark