Champion
Champion Spark Plug 8/Box – 306
Champion Spark Plug 8/Box – 306
SKU:C33306
In stock
Couldn't load pickup availability
- Free shipping on $70+
- Ships from US warehouse
- 30-day returns
The Champion 306 is a spark plug 8/box.
Key features
- Built To Last -: Advanced heat treatment process for strength
- Premium Materials -: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
- Reliable Performance -: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
- Comprehensive Coverage -: Industry-leading coverage for domestic and import applications
- Rigorous Testing -: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
- Premium materials and precise manufacturing ensures consistent reliability
- Premium steel grades for durability and performance
- Premium bearing design matches OEM specifications
Before you order
- Check the plug type and gap spec your engine calls for.
Specifications
| Brand | Champion |
|---|---|
| Manufacturer part number | 306 |
| Part type | Spark Plug |
| UPC / GTIN | 37551000340 |
| Weight | 0.76 lb |
| Dimensions (L × W × H) | 1 × 1 × 1 in |
| Category | Engine & Drivetrain |
| Condition | New |
| Returns | 30-day returns on unused items |
Questions
Will this fit my vehicle?
Match the part number 306 to your current part, or send us your VIN and we'll confirm the fit before you order.
What does shipping cost?
Standard shipping is free on orders of $70 or more to the lower 48 states and DC, and $8 below that. Express is $15 at checkout. Orders ship the same business day when placed early in the day, otherwise the next business day; standard delivery takes 3–5 business days. Alaska and Hawaii are charged by weight at checkout.
Can I return it?
Yes — unused items in the original packaging can be returned within 30 days of delivery. A restocking fee may apply; see our refund policy.
Shipping & delivery
Shipping & delivery
Free standard shipping on orders of $70 or more to the lower 48 states and DC; $8 on smaller orders. Express is $15 at checkout; Alaska and Hawaii are charged by weight. Orders ship from the warehouse closest to you — the same business day, or the next business day if ordered late in the day, on a weekend or holiday. Standard delivery takes 3–5 business days. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Items marked Final sale can't be returned. If a part fails, contact us with your order number and we'll help with the manufacturer's warranty claim.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
