OEM numbers
GMC 12677469 · CHEVROLET 12677469 · GENERAL MOTORS 12677469 · PONTIAC 12677469 · BUICK 12677469 · CADILLAC 12677469 · OLDSMOBILE 12677469 · SATURN 12677469 · HUMMER 12677469 · GMC 12688014 · CHEVROLET 12688014 · GENERAL MOTORS 12688014 · PONTIAC 12688014 · BUICK 12688014 · CADILLAC 12688014 · OLDSMOBILE 12688014 · SATURN 12688014 · HUMMER 12688014
Alternatives and compatible parts
GMC 12677469 · CHEVROLET 12677469 · GENERAL MOTORS 12677469 · PONTIAC 12677469 · BUICK 12677469 · CADILLAC 12677469 · OLDSMOBILE 12677469 · SATURN 12677469 · HUMMER 12677469 · GMC 12688014 · CHEVROLET 12688014 · GENERAL MOTORS 12688014 · PONTIAC 12688014 · BUICK 12688014 · CADILLAC 12688014 · OLDSMOBILE 12688014 · SATURN 12688014 · HUMMER 12688014
Compatible vehicles
CHEVROLET: SILVERADO 2500 HD Crew Cab Pickup, SILVERADO 2500 HD Crew Cab Pickup (GMT1HC), SILVERADO 2500 HD Extended Cab Pickup, SILVERADO 2500 HD Extended Cab Pickup (GMT1HC), SILVERADO 2500 HD Standard Cab Pickup · GMC: SIERRA 2500 HD Cab & Chassis, SIERRA 2500 HD Crew Cab Pickup, SIERRA 2500 HD Crew Cab Pickup (C20, K20), SIERRA 2500 HD Extended Cab Pickup, SIERRA 2500 HD Extended Cab Pickup (C20, K20)
Gasket, EGR valve ELRING 596.491
| Product Code | 596.491 |
| Brand | ELRING |
| Product group | Gasket, EGR valve |
| Country of origin |  United Kingdom |
| Fitting Side | EGR-ventiili torustik |
| Number of Mounting Holes | 2 |
| GMC | 12677469 |
| CHEVROLET | 12677469 |
| GENERAL MOTORS | 12677469 |
| PONTIAC | 12677469 |
| BUICK | 12677469 |
| CADILLAC | 12677469 |
| OLDSMOBILE | 12677469 |
| SATURN | 12677469 |
| HUMMER | 12677469 |
| GMC | 12688014 |
| CHEVROLET | 12688014 |
| GENERAL MOTORS | 12688014 |
| PONTIAC | 12688014 |
| BUICK | 12688014 |
| CADILLAC | 12688014 |
| OLDSMOBILE | 12688014 |
| SATURN | 12688014 |
| HUMMER | 12688014 |