OE Quality
60-Day Returns

Standard Ignition VVT683 Engine Variable Valve Timing (VVT) Sprocket - Exhaust
Overview of Standard Ignition VVT683 Engine Variable Valve Timing Sprocket
The Standard Ignition VVT683 is a precision-engineered engine variable valve timing (VVT) sprocket designed specifically for Toyota Tacoma models. Manufactured from durable metal, this crankshaft gear ensures reliable performance and accurate timing for your vehicle's valve train system.
- Engine variable valve timing sprocket for Toyota Tacoma
- Constructed from high-quality metal gear material
- Crankshaft gear type with 36 teeth and 3 timing marks
- Inside diameter of 1.33 inches (33.782 mm) with keyway notch
- Single mounting hole with 0.47 inch (11.938 mm) lug hole diameter
- Thickness of 0.2 inches (5.08 mm) and tooth width of 0.2 inches (5.08 mm)
- Part number VVT683 for precise fitment
Detailed Product Description
The Standard Ignition VVT683 sprocket is engineered to maintain optimal engine timing by controlling the variable valve timing mechanism on compatible Toyota Tacoma vehicles. This crankshaft gear features a single row with 36 teeth and three timing marks, allowing for precise synchronization of the camshaft and crankshaft. The sprocket’s metal construction provides durability and resistance to wear under high engine stress. Its inside diameter measures 1.33 inches (33.782 mm) and includes a keyway notch to ensure secure installation and alignment. The single mounting hole with a lug hole diameter of 0.47 inches (11.938 mm) facilitates proper attachment without the need for additional hardware, which is not included.
Common Applications and Problem Solving
- Restores accurate variable valve timing function in Toyota Tacoma engines
- Replaces worn or damaged crankshaft sprockets causing timing issues
- Addresses engine performance problems related to valve timing misalignment
- Helps eliminate rough idling or reduced fuel efficiency due to faulty VVT components
- Supports maintenance of engine timing system for consistent power delivery
Installation Notes and Tips
Installation of the Standard Ignition VVT683 requires proper alignment of the keyway notch and timing marks to ensure correct valve timing. It is recommended to consult the Toyota Tacoma service manual for torque specifications and timing procedures. Since hardware is not included, retain original mounting components or source compatible fasteners. Careful handling during installation will prevent damage to the sprocket teeth and maintain engine timing integrity.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The VVT683 sprocket undergoes rigorous quality control to provide consistent performance in Toyota Tacoma vehicles. Warranty coverage details should be confirmed with the product documentation or supplier, as Standard Ignition typically offers limited warranties against defects in material and workmanship.
| Brand | Standard Ignition |
| Part Number | VVT683 |
| Functions | Engine Variable Valve Timing Sprocket |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Toyota | Tacoma | 2.7L | L4 | Exhaust | |
| 2018 | Toyota | Tacoma | 2.7L | L4 | Exhaust | |
| 2017 | Toyota | Tacoma | 2.7L | L4 | Exhaust | |
| 2016 | Toyota | Tacoma | 2.7L | L4 | Exhaust |
* 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.