NGK Spark Plug Spark Plugs 4091 - 4091 04
NGK Spark Plug Spark Plugs 4091 - 4091 04
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NGK 4091 Stock Number 4091
The NGK Stock Number 4091 spark plug is a replacement option. Specs call out ngk racing, 14 mm thread, and 0.750 in reach. Verify fitment against your existing part before ordering.
Features & Benefits
- Spark Plug
- NGK Racing
- 14 mm Thread
- 0.750 in Reach
- Gasket Seat
- Stock Number 4091
- Non-Resistor
- Set of 120
Specifications
| Model | Stock Number 4091 |
| Product Type | Spark Plugs |
| Weight | 13.49 lb |
| Dimensions | 12.63 x 10 x 4.7 in |
| Brand | NGK |
| Manufacturer Part Number | 4091 |
| UPC | 000000000000 |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number 4091 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
What stands out about this spark plug?
Key details include 14 mm Thread. Review the full feature list and specifications on this page for complete details.
How much does this product weigh?
This item weighs approximately 13.49 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.
