Used on most Mercruiser petrol engines, replacing 33-816336 / 33-816336Q / 33-854278.
The NGK BPR6EFS spark plugs are a high-quality replacement option for your boat's engine. These spark plugs are designed to work with most Mercruiser petrol engines, ensuring reliable and efficient performance.
These spark plugs feature a taper-gasket seal that helps to prevent leakage, ensuring a tight and secure fit. They are also designed with a nickel middle electrode that provides increased conductivity and heat control, allowing for a more consistent spark and improved engine performance.
Overall, the NGK BPR6EFS spark plugs are a high-quality and reliable option for those looking to replace their boat's spark plugs. Their compatibility with most Mercruiser petrol engines and their durable construction make them a great choice for boaters looking to maintain their engine's performance.
We appreciate your business and are committed to providing you with exceptional service and timely delivery. Please review the shipping information below for your order.
All Carriers Are Currently Experiencing Delays:
All shipping times provided are estimates only.
Please understand that any delays are outside of our control.
Is It In Stock?
Over 98% of the products listed on our website are in stock.
If a part is not currently in stock, we will notify you as soon as we process your order. We process all orders on the same business day they are received.
If you would like to confirm availability before placing your order, please contact us.
Products that are not in stock will generally either:
- Not display a price, or
- Clearly state in the product description that we require a day or two to source them.
Packaging:
Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Where Do You Ship From?
All parts are stocked and shipped from our location at The Boat Works Marina on the Gold Coast, Australia.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Free Shipping – Australia
We offer Free Shipping on parts orders over $99 within Australia.
If you select Free Freight, your order will typically be sent via standard post or another standard delivery service.
Australia Post standard delivery is generally 4–10 business days within Australia.
If delivery time is important, we recommend selecting one of the paid express services.
Please note:
- Certain items do not qualify for Free Freight. Please refer to the product description for details.
- Dangerous goods, oils, lubricants, DeFOUL, and Propspeed products can only be shipped by road transport.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your account.
Who Do You Ship With?
We ship using:
- Australia Post
- TNT
- DHL
- Couriers Please
- FedEx
- Brokerage services such as Transdirect
We have extensive experience shipping both across Australia and internationally. We will select the carrier we believe is most suitable for your location and the type of goods being shipped.
If you prefer to use your own carrier or would like to discuss shipping options, please contact us.
International Shipping:
We ship worldwide! Please note that international shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
