OE Quality
60-Day Returns

WAI 6784N Starter
Reliable Starter for Buick, Chevrolet, Pontiac, and Saturn Vehicles
The WAI 6784N starter is designed to provide dependable engine starting performance for select Buick, Chevrolet, Pontiac, and Saturn models. Featuring a permanent magnet gear reduction design, this starter ensures efficient power delivery and durability for your vehicle's starting system.
- Permanent magnet gear reduction design for improved efficiency
- Clockwise (right) starter rotation compatible with specific vehicle models
- 9-tooth pinion gear for precise engagement
- Pad mounting type for secure installation
- Power rating of 1.2 for consistent starting power
Technical Details and Compatibility
The WAI 6784N starter is engineered with a permanent magnet gear reduction system, which reduces the starter's size and weight while maintaining strong torque output. This starter features a clockwise (right) rotation and a 9-tooth pinion gear, designed to mesh accurately with the flywheel of compatible vehicles. The pad mounting type ensures a stable and secure fit during installation. With a power rating of 1.2, this starter delivers reliable cranking power to start your engine efficiently.
This starter is compatible with several GM vehicles, including Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models. Using the correct starter rotation and tooth count is critical for proper engagement and operation in these vehicles.
Common Applications and Problem Resolution
- Replaces worn or failing starters causing slow or no engine cranking
- Addresses starter gear slipping or improper engagement issues
- Resolves intermittent starting problems related to starter motor failure
- Improves starting reliability in Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander
Installation Notes and Tips
Ensure the starter rotation matches your vehicle’s requirements; this model rotates clockwise (right). Verify the 9-tooth pinion gear aligns with your flywheel. The pad mounting type requires proper alignment and secure fastening to avoid starter misalignment. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance.
Quality Assurance and Warranty
WAI starters are manufactured to meet OEM specifications for fit and function. The 6784N starter undergoes rigorous testing to ensure durability and reliable operation. Please refer to WAI’s warranty policy for specific coverage details.
| Brand | WAI |
| Part Number | 6784N |
| 12 | 12 |
| Design | Permanent magnet gear reduction |
| Family | Delco |
| Power Rating | 1.2 |
| Starter Rotation | Clockwise (right) |
| Tooth Quantity | 9 |
| Mounting Type | Pad |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Uplander | N/A | |||
| 2009 | Pontiac | Montana | N/A | |||
| 2008 | Chevrolet | Uplander | N/A | |||
| 2008 | Pontiac | Montana | N/A | |||
| 2007 | Buick | Terraza | N/A | |||
| 2007 | Chevrolet | Uplander | N/A | |||
| 2007 | Pontiac | Montana | N/A | |||
| 2007 | Saturn | Relay | N/A | |||
| 2006 | Buick | Terraza | 3.9L | V6 | N/A | |
| 2006 | Chevrolet | Uplander | 3.9L | V6 | N/A | |
| 2006 | Pontiac | Montana | 3.9L | V6 | N/A | |
| 2006 | Saturn | Relay | 3.9L | V6 | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.