WAI 6491N Starter

Starter for GM 3.1L and 2.2L Applications

The WAI 6491N starter is a 100% new unit built for dependable cranking performance in a wide range of GM vehicles. It uses a permanent magnet gear reduction design to deliver the amp output needed for today’s electrical demands, with a clockwise rotation and 9-tooth drive for the listed applications.

• 100% new starter, not remanufactured
• Permanent Magnet Gear Reduction design
• 1.4 kW power rating
• Clockwise (right) starter rotation
• 9-tooth drive with pad mounting
• Built for DELCO-family applications

Product Details

WAI engineers this starter with proprietary components and manufacturing processes to support long service life and consistent performance. The 6491N is a direct-fit style starter for many Chevrolet, Pontiac, Buick, Oldsmobile, GMC, and Saturn applications, including Chevrolet Impala, Malibu, Monte Carlo, Cavalier, S10, and Pontiac Grand Am and Grand Prix models. This part cross-references Airtex Fuel Pumps 6491 for the same application.

Vehicle Fitment

• Fits 1997-2005 Buick Century, N/A
• Fits 2002-2005 Buick Rendezvous, N/A
• Fits 2005 Buick Terraza, N/A
• Fits 2005 Chevrolet Equinox, N/A
• Fits 2001-2005 Chevrolet Impala, N/A
• Fits 2001-2005 Chevrolet Malibu, N/A
• Fits 2001-2005 Chevrolet Monte Carlo, N/A
• Fits 2005 Chevrolet Uplander, N/A, First Design
• Fits 2005 Pontiac Aztek, N/A, First Design
• Fits 2005 Pontiac G6, N/A
• Fits 2001-2005 Pontiac Grand Am, N/A
• Fits 2005 Pontiac Montana, N/A, First Design
• Fits 2005 Saturn Relay, N/A
• Fits 2001-2004 Oldsmobile Alero, N/A
• Fits 2001-2004 Oldsmobile Silhouette, N/A
• Fits 2001-2004 Pontiac Aztek, N/A
• Fits 2001-2004 Pontiac Montana, N/A
• Fits 2002-2003 Chevrolet S10, N/A
• Fits 2002-2003 GMC Sonoma, N/A
• Fits 2001-2003 Pontiac Grand Prix, N/A
• Fits 2002 Chevrolet Cavalier, N/A
• Fits 2002 Pontiac Sunfire, N/A
• Fits 1998-2001 Chevrolet Cavalier, N/A, Delco PMGR, 9T
• Fits 2001 Chevrolet Lumina, N/A
• Fits 1999-2001 Chevrolet S10, N/A, Delco PMGR, 9T
• Fits 1999-2001 GMC Sonoma, N/A, Delco PMGR, 9T
• Fits 1998-2001 Pontiac Sunfire, N/A, Delco PMGR, 9T
• Fits 2000 Chevrolet Impala, N/A, Delco PMGR, 9T
• Fits 1997-2000 Chevrolet Lumina, N/A, Delco PMGR, 9T
• Fits 1997-2000 Chevrolet Malibu, N/A, Delco PMGR, 9T
• Fits 1997-2000 Chevrolet Monte Carlo, N/A, Delco PMGR, 9T
• Fits 1999-2000 Isuzu Hombre, N/A
• Fits 1999-2000 Oldsmobile Alero, N/A, Delco PMGR, 9T
• Fits 1997-2000 Oldsmobile Silhouette, N/A, Delco PMGR, 9T
• Fits 1999-2000 Pontiac Grand Am, N/A, Delco PMGR, 9T
• Fits 1998-2000 Pontiac Grand Prix, N/A, Delco PMGR, 9T
• Fits 1999-2000 Pontiac Montana, N/A, Delco PMGR, 9T
• Fits 1997-1999 Oldsmobile Cutlass, N/A, Delco PMGR, 9T
• Fits 1997-1999 Pontiac Trans Sport, N/A, Delco PMGR, 9T
• Fits 1988-1989 Oldsmobile Cutlass, N/A, Mexico

Common Starting Problems This Can Address

• Slow or weak cranking during engine start
• No-crank condition when the ignition is turned
• Intermittent starter engagement or grinding at startup
• Starter wear related to age, heat, or high electrical load
• Starting issues on GM vehicles using Delco PMGR 9-tooth configurations

Installation Notes and Tips

Confirm the mounting style, clockwise rotation, tooth count, and Delco-family configuration before installation. Verify the vehicle’s original starter tag or OE reference when servicing 2005 first-design applications such as Chevrolet Uplander, Pontiac Aztek, and Pontiac Montana. The part number 6491N is also commonly searched as 6491 for replacement lookup, and it is frequently referenced for Chevrolet Impala, Malibu, Monte Carlo, and Pontiac Grand Am applications.

Quality Assurance

WAI states that this starter is manufactured as a new unit using proprietary components and processes to support service life and performance. The 6491N is built to deliver the amp output required by modern vehicles and is not remanufactured.