LS4 / F40 swap - fieroguru - Pennock's Fiero Forum
The Salvage Yard – LS4king
Water Pump for Gen IV LS Engine 2009-16 - Edelbrock, LLC.
Cracked manifold - LS1TECH - Camaro and Firebird Forum Discussion
05-08 Grand Prix GXP / 06-09 Impala SS 5.3L LS4 Water Pump Accessory Housing 959 – Importapart
Amazon.com: OAW G2040 Engine Water Pump for 06-09 Chevrolet Impala SS Monte Carlo, 08-09 Buick Lacrosse Super, 05-08 Pontiac Grand Prix GXP V8 OHV 5.3L : Automotive
05-08 Grand Prix GXP / 06-09 Impala SS 5.3L LS4 Water Pump Accessory Housing 310 – Importapart
2005-2008 Grand Prix GXP / 06-09 Impala SS 5.3L LS4 Water Pump Accessory Housing | eBay