Cummins 3339218 Plug
Ensure the optimal performance and leak-free operation of your engine or transmission assembly with the Genuine Cummins 3339218 Threaded Plug. Specifically engineered by Cummins, this high-quality sealing screw is designed to securely close off fluid and air ports, preventing leaks and maintaining critical system pressure. Manufactured to strict OEM standards, this authentic replacement part guarantees exact fitment, long-lasting durability, and unmatched reliability for your heavy-duty equipment and machinery.
Technical Specifications:
- Brand: Cummins
- Part Number: 3339218
- Part Type: Threaded Plug / Sealing Screw
- Application: Engine and Transmission Assembly Port Sealing
- Country of Origin: China

| Brand | Cummins |
|---|---|
| Model | 3339218 |
Only logged in customers who have purchased this product may leave a review.
Shipping policy
If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Cummins 3339218 Plug
Shop the Genuine Cummins 3339218 Threaded Plug for reliable engine and transmission port sealing. This authentic OEM replacement part ensures exact fitment, extreme durability, and maximum leak prevention for your Cummins engine.

Reviews
There are no reviews yet.