About

UniqueDiesel.com is an e-commerce business handling high quality automotive engines, and related components. The focus of this store is offering components we use our self in personal engine builds, replacements, performance and general maintenance. The 6.2 and 6.5L Diesel engines have become a classic engine design that has a great amount of support with a quality OEM like AM General's General Engine Products and fuel system components from Stanadyne and Bosch, and many aftermarket providers. Because GM's support for this engine has pretty much ended there are offerings from several aftermarkets. Some aftermarket parts are good, while others are simply off-shore garbage. We weed out the suspect and provide the performers.

Unique Diesel acquired all of Peninsular's assets in 2018, including automotive offerings. We were interested in Peninsular because they had similar values to that of Unique Diesel, interested in quality engineering and products. Most products previously offered by Peninsular are available through Unique Diesel, although we've decided to obsolete some items of course that were obviously too low volume, too individual, or not profitable.

Nov 2024 Update

Peninsular Marine components will be available on this website starting in January 2025

We've tried to identify parts in the store by giving them names that are easy to search for. Please make use of the Search box on the store as it's a powerful tool to find the items you're looking for.

Items are categorized in this store into many major categories. These categories also have sub-categories to make it easier to find groups of parts and items.

How to identify the grade and quality of a part or component on this store? Items that are "New" in condition will just be the description for the item. Items that are "Used" will start out with the title Used. Items that are remanufactured or rebuilt or reconditioned will bare the name "Reman". Additionally, when we use the term "OE" that means Original Equipment, as made by a previous OEM or current OEM of the 6.5L engine, effectively non-aftermarket.

This store is setup to prohibit bulk ordering of individual components. Many components are setup to allow ordering of the amount of an item as found on 1 engine assembly or 1 vehicle per order. We do not limit multiple orders. While we may have more of an item available to strategically have inventory available we are not focused on warehousing, but on individual sales. With that said, we may be able to provide quantity of items from our supplier and distribution networks on an as-needed basis. Orders for specific items will be quoted based on current replacement pricing and provided a lead-time (typical 6-weeks) for fulfillment, order will not come out of existing inventory. Use the Sales contact form and select Bulk Ordering as the subject while logged into your customer account to make the request.

This store is compatible with both full-featured computers and mobile devices such as Phones. While the store is compatible with a phone, your experience will be limited by the small screen and changes in how the store appears and navigates. We prefer to use a mobile device only when absolutely necessary, but afforded the opportunity a computer always works better. These statements are being made due to the "mobile first" initiatives on the internet that effectively are "limiting" what sites can and can't do, and it's result is less is more, or wait, is less always less (we think so).

Main point: if you're looking for something and want the best experience, fire up the computer (heck, they cost less than a phone now days) and give the site a whirl, you'll be glad you did.

November 2024

UDGMTruck.com becomes and is moved to UniqueDiesel.com so previously available products are available under the UniqueDiesel.com domain. Beginning in January 2025 this web store will also carry the remaining Peninsular Marine components formerly available on UDMarine.com to provide a better means of managing 6.2 and 6.5 Diesel products by Unique Diesel.