OEM numbers
GMC 12644086 · CHEVROLET 12644086 · GENERAL MOTORS 12644086 · PONTIAC 12644086 · BUICK 12644086 · CADILLAC 12644086 · OLDSMOBILE 12644086 · SATURN 12644086 · HUMMER 12644086 · GMC 12676539 · CHEVROLET 12676539 · GENERAL MOTORS 12676539 · PONTIAC 12676539 · BUICK 12676539 · CADILLAC 12676539 · OLDSMOBILE 12676539 · SATURN 12676539 · HUMMER 12676539 · GMC 12677294 · CHEVROLET 12677294 · GENERAL MOTORS 12677294 · PONTIAC 12677294 · BUICK 12677294 · CADILLAC 12677294 · OLDSMOBILE 12677294 · SATURN 12677294 · HUMMER 12677294
Alternatives and compatible parts
AJUSA 01886100 · MEC-DIESEL 563485 · WILMINK GROUP WG2262023 · WILMINK GROUP WG2363901 · GMC 12644086 · CHEVROLET 12644086 · GENERAL MOTORS 12644086 · PONTIAC 12644086 · BUICK 12644086 · CADILLAC 12644086 · OLDSMOBILE 12644086 · SATURN 12644086 · HUMMER 12644086 · GMC 12676539 · CHEVROLET 12676539 · GENERAL MOTORS 12676539 · PONTIAC 12676539 · BUICK 12676539 · CADILLAC 12676539 · OLDSMOBILE 12676539 · SATURN 12676539 · HUMMER 12676539 · GMC 12677294 · CHEVROLET 12677294 · GENERAL MOTORS 12677294 · PONTIAC 12677294 · BUICK 12677294 · CADILLAC 12677294 · OLDSMOBILE 12677294 · SATURN 12677294 · HUMMER 12677294
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, compressor ELRING 527.621
| Product Code | 527.621 |
| Brand | ELRING |
| Product group | Gasket, compressor |
| Country of origin |  United Kingdom |
| Charging Method | Heitgaaside turbokompressor |
| Number of Mounting Holes | 4 |
| GMC | 12644086 |
| CHEVROLET | 12644086 |
| GENERAL MOTORS | 12644086 |
| PONTIAC | 12644086 |
| BUICK | 12644086 |
| CADILLAC | 12644086 |
| OLDSMOBILE | 12644086 |
| SATURN | 12644086 |
| HUMMER | 12644086 |
| GMC | 12676539 |
| CHEVROLET | 12676539 |
| GENERAL MOTORS | 12676539 |
| PONTIAC | 12676539 |
| BUICK | 12676539 |
| CADILLAC | 12676539 |
| OLDSMOBILE | 12676539 |
| SATURN | 12676539 |
| HUMMER | 12676539 |
| GMC | 12677294 |
| CHEVROLET | 12677294 |
| GENERAL MOTORS | 12677294 |
| PONTIAC | 12677294 |
| BUICK | 12677294 |
| CADILLAC | 12677294 |
| OLDSMOBILE | 12677294 |
| SATURN | 12677294 |
| HUMMER | 12677294 |