2003 GMC Sierra 3500 Programmers & Chips

Programmers & Chips that fit your 2003 GMC Sierra 3500. Shop BD Diesel and aFe. Every part is checked against your vehicle before it ships.

• BD DieselBD Diesel High Idle Control - 2001-2004 Chev Duramax LB7MPN bdd1036600$46.95In stock
• aFeaFe Scorcher HD Module 01-04 GM Diesel Trucks LB7 6.6L V8 (td)MPN afe77-44005$451.00In stock