This is a Starter Rebuild Kit for 98-06 Isuzu NPR and NQR, Chevrolet W3500 W4500 W5500 Tiltmaster, and GMC W3500 W4500 W5500 Trucks with either the 3.9 4.8 or 5.2 Liter Diesels. 

Every part in this kit is OEM Denso except for the contacts. 

Included in this kit are 
2X [DEN-028530-1100] Negative Brush
2X [DEN-028530-5290] Positive Brush
1X [053660-0443] Plunger Assembly
1X 66-82770 Contact
1X 66-82767 Contact