





Doc's Diesel Oil Filter Plug Tool for RAM 6.7L Cummins (1989-2025) | Replaces 3678921
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- £28.97
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Description
xOverview
Doc's Diesel Oil Filter Plug Tool is designed for RAM pickups powered by Cummins diesels, covering both the 6.7L and 5.9L families. This tool concentrates the maintenance workflow around the replacement plug, offering a straightforward, dependable approach to upkeep without complicating your garage routine.
Built for rugged engine bays and access-challenged spaces, the tool emphasizes durability and ease of use. It fits into a broader Doc's Diesel line that emphasizes reliability and OEM-style performance, helping you approach service with confidence rather than guesswork.
Why this tool stands out
- Fast, in-vehicle installation typically completed in 15–30 minutes, depending on access
- Compatibility with RAM 6.7L Cummins (1989–2025) and RAM 5.9L Cummins (1989–2007.5)
- Interchange: Replaces Cummins part 3678921
- Durable metal construction designed to hold up under regular maintenance and cleaning
Usage and compatibility
Before service, confirm fitment with your vehicle’s filter lookup. The tool is designed to cover a broad RAM Cummins range and is part of a family of high-quality maintenance parts compatible with OEM expectations.
Quality, support, and brand philosophy
Doc's Diesel, based in Northwest Ohio, places value and reliability at the core of its aftermarket lineup. From engine air to oil and fuel filters, the range is engineered to meet or exceed OEM standards, offering a practical balance of performance and durability for diesel-powered vehicles.
Real-world use scenarios
For DIY enthusiasts, seasoned technicians, or fleet maintenance crews, this tool aims to streamline the plug replacement process, helping you keep maintenance on schedule and reduce the typical downtime associated with filter service.
Notes for best results
- Follow your vehicle manufacturer’s warranty guidelines when performing maintenance
- Pair the tool with compatible Doc's Diesel filters for a cohesive service experience
FAQ
Q: What vehicles is this tool compatible with?
A: Compatible with RAM 6.7L Cummins (1989–2025) and RAM 5.9L Cummins (1989–2007.5); verify with VIN.
Q: How long does installation take?
A: Typically 15–30 minutes, depending on access and vehicle layout.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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- £28.97
- £28.97
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