WAI 6494N Starter

Name: WAI 6494N Starter
Brand: WAI
SKU: HGWL-6494N
Price: 98.00 USD
Availability: InStock

⚙️ 103 vehicles fit this part

🔍

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

$98.00Free Shipping

🚚Free ShippingNo Cost to Continental U.S.

🔄Free Returns*Wrong fit? No cost

🛡️60-Day ReturnsMoney back guarantee

*Free return shipping only qualifies if our fitment verification tool is used.

🔥

✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Buick, Cadillac, Chevrolet, GMC, Isuzu, and Saab, 9-7x, Ascender, Avalanche, Avalanche 1500, Cheyenne, Envoy, Envoy XL, Envoy XUV, Escalade, Express 1500, Express 2500, Express 3500, Rainier, Savana 1500, Savana 2500, Savana 3500, Sierra, Sierra 1500, Sierra 1500 Classic, Silverado 1500, Silverado 1500 Classic, Silverado 2500, Suburban 1500, Tahoe, Trailblazer, Trailblazer EXT, Yukon, and Yukon XL 1500

🔄Easy Returns — Return within 60 days for a full refund

🚚Fast Shipping — Most orders ship same business day before 1pm CST

Not what you need? Click here for all Starter options

Reliable Starter for Select GM and Isuzu Vehicles

The WAI 6494N starter is engineered to provide dependable starting power for a range of vehicles including Buick, Cadillac, Chevrolet, GMC, Isuzu, and Saab models. Designed with a permanent magnet gear reduction system, this starter ensures efficient operation and consistent performance.

12-volt electrical system compatibility
Permanent magnet gear reduction design for improved torque
Delco family starter with a 1.1 power rating
Clockwise (right) starter rotation
9-tooth pinion gear for precise engagement
Pad mounting type for secure installation

Technical Details and Design Features

The WAI 6494N starter features a permanent magnet gear reduction design, which enhances torque output while reducing the overall size and weight of the unit. This design is part of the Delco family, known for its compatibility with various General Motors and related vehicles. The starter operates on a 12-volt system and has a power rating of 1.1, suitable for heavy-duty starting requirements. Its clockwise (right) rotation and 9-tooth pinion gear ensure proper meshing with the engine’s flywheel, while the pad mounting type provides a stable and secure fit.

Compatible Vehicles and Applications

This starter is compatible with a wide range of vehicles, including:

Buick models such as the Rainier
Cadillac Escalade
Chevrolet Avalanche, Silverado 1500, Suburban 1500, Tahoe, Trailblazer
GMC Sierra 1500, Sierra 1500 Classic, Yukon, Yukon XL 1500, Envoy, Envoy XL, Envoy XUV
Isuzu Ascender
Saab 9-7x
Chevrolet Express 1500, 2500, 3500 and Savana 1500, 2500, 3500

Common Issues Addressed by the WAI 6494N Starter

Failure to crank or slow engine turnover
Intermittent starting problems
Grinding noises during engine start
Starter motor overheating or stalling
Wear-related loss of torque and engagement

Installation Notes and Tips

Ensure the vehicle’s battery is fully charged before installation. Verify the starter rotation direction and tooth count match the original unit. The pad mounting type requires proper alignment to avoid starter misfit or damage. It is recommended to inspect the flywheel teeth for wear or damage during replacement. Follow manufacturer torque specifications for mounting bolts to secure the starter properly.

Quality Assurance and Warranty

The WAI 6494N starter is manufactured to meet OEM standards for durability and performance. While specific warranty details are not provided here, WAI products typically undergo rigorous testing to ensure reliability in demanding automotive applications.

Brand	WAI
Part Number	6494N
12	12
Design	Permanent magnet gear reduction
Family	Delco
Power Rating	1.1
Starter Rotation	Clockwise (right)
Tooth Quantity	9
Mounting Type	Pad

This part fits 103 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
2009	GMC	Envoy	5.3L	V8	N/A
2008	Chevrolet	Avalanche	5.3L	V8	N/A
2008	Chevrolet	Cheyenne			N/A	Mexico
2008	Chevrolet	Silverado 1500	5.3L	V8	N/A
2008	Chevrolet	Suburban 1500	5.3L	V8	N/A
2008	Chevrolet	Tahoe	5.3L	V8	N/A
2008	Chevrolet	Trailblazer	5.3L	V8	N/A
2008	GMC	Envoy	5.3L	V8	N/A
2008	GMC	Sierra	5.3L	V8	N/A
2008	GMC	Sierra 1500	5.3L	V8	N/A
2008	GMC	Yukon	5.3L	V8	N/A
2008	GMC	Yukon XL 1500	5.3L	V8	N/A
2008	Saab	9-7x	5.3L	V8	N/A
2007	Buick	Rainier	5.3L	V8	N/A
2007	Chevrolet	Avalanche	5.3L	V8	N/A
2007	Chevrolet	Cheyenne			N/A	Mexico
2007	Chevrolet	Express 1500	5.3L	V8	N/A
2007	Chevrolet	Express 2500	4.8L	V8	N/A
2007	Chevrolet	Express 3500	4.8L	V8	N/A
2007	Chevrolet	Silverado 1500	5.3L	V8	N/A	Delco PG260D
2007	Chevrolet	Silverado 1500 Classic	5.3L	V8	N/A
2007	Chevrolet	Silverado 2500	5.3L	V8	N/A	Mexico
2007	Chevrolet	Suburban 1500	5.3L	V8	N/A
2007	Chevrolet	Tahoe	5.3L	V8	N/A
2007	Chevrolet	Trailblazer	5.3L	V8	N/A
2007	GMC	Envoy	5.3L	V8	N/A
2007	GMC	Savana 1500	5.3L	V8	N/A
2007	GMC	Savana 2500	4.8L	V8	N/A
2007	GMC	Savana 3500	4.8L	V8	N/A
2007	GMC	Sierra			N/A
2007	GMC	Sierra 1500	5.3L	V8	N/A
2007	GMC	Sierra 1500 Classic	5.3L	V8	N/A
2007	GMC	Yukon	5.3L	V8	N/A
2007	GMC	Yukon XL 1500	5.3L	V8	N/A
2007	Saab	9-7x	5.3L	V8	N/A
2006	Buick	Rainier	5.3L	V8	N/A
2006	Chevrolet	Avalanche 1500			N/A
2006	Chevrolet	Express 1500	5.3L	V8	N/A
2006	Chevrolet	Express 2500	4.8L	V8	N/A
2006	Chevrolet	Express 3500	4.8L	V8	N/A
2006	Chevrolet	Silverado 1500	5.3L	V8	N/A	Delco PG260D
2006	Chevrolet	Suburban 1500	5.3L	V8	N/A
2006	Chevrolet	Tahoe	5.3L	V8	N/A
2006	Chevrolet	Trailblazer	5.3L	V8	N/A
2006	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2006	GMC	Envoy	5.3L	V8	N/A
2006	GMC	Envoy XL	5.3L	V8	N/A
2006	GMC	Savana 1500	5.3L	V8	N/A
2006	GMC	Savana 2500	4.8L	V8	N/A
2006	GMC	Savana 3500	4.8L	V8	N/A
2006	GMC	Sierra 1500	5.3L	V8	N/A
2006	GMC	Yukon	5.3L	V8	N/A	Delco PG260D
2006	GMC	Yukon XL 1500	5.3L	V8	N/A
2006	Isuzu	Ascender	5.3L	V8	N/A
2006	Saab	9-7x	5.3L	V8	N/A
2005	Buick	Rainier	5.3L	V8	N/A
2005	Cadillac	Escalade	5.3L	V8	N/A
2005	Chevrolet	Avalanche 1500			N/A
2005	Chevrolet	Express 1500	5.3L	V8	N/A
2005	Chevrolet	Express 2500	5.3L	V8	N/A
2005	Chevrolet	Express 3500	4.8L	V8	N/A
2005	Chevrolet	Silverado 1500	5.3L	V8	N/A
2005	Chevrolet	Suburban 1500			N/A
2005	Chevrolet	Tahoe	5.3L	V8	N/A
2005	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2005	GMC	Envoy	5.3L	V8	N/A
2005	GMC	Envoy XL	5.3L	V8	N/A
2005	GMC	Envoy XUV	5.3L	V8	N/A
2005	GMC	Savana 1500	5.3L	V8	N/A
2005	GMC	Savana 2500	5.3L	V8	N/A
2005	GMC	Savana 3500	4.8L	V8	N/A
2005	GMC	Sierra 1500	5.3L	V8	N/A	Delco Unit
2005	GMC	Yukon	5.3L	V8	N/A
2005	GMC	Yukon XL 1500	5.3L	V8	N/A
2005	Isuzu	Ascender	5.3L	V8	N/A
2005	Saab	9-7x	5.3L	V8	N/A
2004	Buick	Rainier	5.3L	V8	N/A
2004	Cadillac	Escalade	5.3L	V8	N/A
2004	Chevrolet	Avalanche 1500			N/A
2004	Chevrolet	Express 1500	5.3L	V8	N/A
2004	Chevrolet	Express 2500	5.3L	V8	N/A
2004	Chevrolet	Express 3500	4.8L	V8	N/A
2004	Chevrolet	Silverado 1500	5.3L	V8	N/A
2004	Chevrolet	Suburban 1500			N/A
2004	Chevrolet	Tahoe	5.3L	V8	N/A
2004	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2004	GMC	Envoy XL	5.3L	V8	N/A
2004	GMC	Envoy XUV	5.3L	V8	N/A
2004	GMC	Savana 1500	5.3L	V8	N/A
2004	GMC	Savana 2500	5.3L	V8	N/A
2004	GMC	Savana 3500	4.8L	V8	N/A
2004	GMC	Sierra 1500	5.3L	V8	N/A
2004	GMC	Yukon	5.3L	V8	N/A
2004	GMC	Yukon XL 1500	5.3L	V8	N/A
2004	Isuzu	Ascender	5.3L	V8	N/A
2003	Cadillac	Escalade	5.3L	V8	N/A
2003	Chevrolet	Avalanche 1500			N/A
2003	Chevrolet	Silverado 1500	5.3L	V8	N/A
2003	Chevrolet	Suburban 1500			N/A
2003	Chevrolet	Tahoe	5.3L	V8	N/A
2003	GMC	Sierra 1500	5.3L	V8	N/A
2003	GMC	Yukon	5.3L	V8	N/A
2003	GMC	Yukon XL 1500	5.3L	V8	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1256805112578050125780511258865112592294126044771261030064948-89017-440-080000168000045800015080002888886193588878289889017631089-01-744089-01-763189-01-81238901744089017631890181239000939

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.