3421
Denso · Iridium spark plug Best seller
Denso 3421 iridium spark plug. Sold by the spark plug in packs of 1, 2, 4, 6 or 8, or any amount from 1 to 48.
- Also sold as SK20HR11
- Free shipping over $100
- 30-day returns
- Secure checkout
Need 25 or more? Email us for a bulk price.
Does it fit?
Sold for car & truck engines. Match the number on your old part, or your owner's manual, before ordering.
- Brand
- Denso
- Part number
- 3421
- Type
- Iridium spark plug
- Sold by the
- spark plug
- Amount
- 1 spark plug
- UPC
- Not listed
- Category
- Spark plugs