Product Description:
Hawks Motorsports is pleased to offer our clients the following.
GM Genuine Parts 12681185 is a mechanical engine water-pump service part for compatible early LS passenger-car accessory drives. The application includes LS1 Camaro/Firebird and the stated LS1/LS2 Pontiac GTO configurations, subject to VIN and inlet configuration checks.
| Producer | GM Genuine Parts |
| Condition | New |
| Manufacturer number | 12681185 |
| ACDelco OE reference | 251-744 |
| Drive | Engine-driven mechanical water pump |
| Application | Compatible early LS passenger-car drive layout |
| Year | Verified application / required configuration |
|---|---|
| 1998 | Camaro / Firebird LS1 5.7L V8 |
| 1999 | Camaro / Firebird LS1 5.7L V8 |
| 2000 | Camaro / Firebird LS1 5.7L V8 |
| 2001 | Camaro / Firebird LS1 5.7L V8 |
| 2002 | Camaro / Firebird LS1 5.7L V8 |
| 2004 | Pontiac GTO LS1 5.7L V8 |
| 2005 | Pontiac GTO LS2 6.0L V8 |
| 2006 | Pontiac GTO LS2 6.0L V8 |
Engine family alone does not establish water-pump interchange. Match pulley offset, hose routing and the inlet/thermostat arrangement to the exact vehicle and service number.
- One GM Genuine Parts engine water-pump kit, 12681185; verify the current service-kit contents before release
The Camaro application is supported by the GM exact-part catalog; Pontiac GTO and Firebird applications are corroborated by the dealer application records listed separately.
Compare the supplied service pump with the existing drive and cooling-hose arrangement. Follow the vehicle service procedure for sealing and fastener tightening.
Fill and bleed with the specified coolant, check for leaks and confirm stable operating temperature.
Which OE reference identifies this pump?
The requested GM number is 12681185, with ACDelco OE reference 251-744.
What Camaro and Firebird years are listed?
1998-2002 with the LS1 V8 and compatible original accessory drive.
Which GTO engines are covered?
2004 LS1 and 2005-2006 LS2 configurations, verified against the exact service application.
Can I choose it solely because an engine is an LS?
No. Pump offset, inlet arrangement and hose routing also matter.
What should be checked before fitting the pump?
Confirm the current kit contents, inlet configuration, pulley offset and original service application.
