Sg Tool Aid
Sg Tool Aid 23900 Hands Free In-line Ignition Spark Tester
(No reviews yet)
Write a Review
- SKU:
- 18098961
- MPN:
- 23900
- Availability:
- Usually ships the same or next business day. In stock at our CA, GA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 01/26/2026 07:36:39 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $12.01 each 12.01 |
| Buy 3 - 4 | and pay only $11.48 each 11.48 |
| Buy 5 - 9 | and pay only $10.76 each 10.76 |
| Buy 10 - 19 | and pay only $9.13 each 9.13 |
| Buy 20 or above | and pay only $8.18 each 8.18 |
- Stock Update:
- 01/26/2026 07:36:39 PM PST
Description
This item is brand-new, factory sealed.
Use to quickly trouble shoot ignition system. Device is hands-free. Connects in-line between spark plug and spark plug wire. Shows a duplicate view of the ignition spark. Technician can visually check condition of ignition system at each cylinder. Frequency and intensity of flash indicates whether there is an ignition system problem or a fault in the fuel delivery system. Flash can be seen in bright sunlight. Clear plastic body can withstand rough use and resists automotive chemicals. Protected by mechanical strain relief. Replacement Bulb Part No. 23904.
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
View AllClose
Sg Tool Aid 23900 Hands Free In-line Ignition Spark Tester
$16.03