--REMANUFACTURED SEAT ASSEMBLY, NATIONAL, SERIES 2000, STANDARD BASE, UC-1 VELCRO NEW FOAM, HIGH BACK SINGLE-LUMBAR OR TRIPLE LUMBAR SWITCH, BOTH ARM, BLACK-ULTRAWEAR, (B:P-155, C:P-037,A:P-099) *****INCLUDE ADAPTER KIT # 501500-001 CONVERTS GRA-MAG TO NATIONAL (XPO KENWROTH)********