Nissan Titan XD Intercooler Boots: Which Kit Fits the 5.0 Cummins?

If you’re shopping for intercooler boots for your Titan XD, start with the engine and model year. Mammoth’s Titan XD silicone intercooler boot kit is listed for the 2016–2019 Nissan Titan XD with the 5.0L Cummins diesel.

That gives you a clear starting point. Before ordering, take a look at the connections on your truck too, especially if you bought it used or know the charge-air plumbing has been changed. A few minutes checking now can make the repair easier to plan.

Match the truck, year and engine

The listed application covers these four model years:

• 2016 Nissan Titan XD 5.0L Cummins diesel
• 2017 Nissan Titan XD 5.0L Cummins diesel
• 2018 Nissan Titan XD 5.0L Cummins diesel
• 2019 Nissan Titan XD 5.0L Cummins diesel

Nissan also offered gasoline-powered Titan XD trucks during those years, so the XD badge and model year alone don’t settle the fitment question. Confirm that your truck has the 5.0L Cummins diesel before choosing this kit.

A gas Titan, a gas Titan XD or a different model year falls outside this product’s listed application. The 2020 Titan XD used a gasoline engine, so a newer truck’s similar name or appearance shouldn’t be used to extend the diesel kit’s fitment.

What Mammoth’s Titan XD kit offers

The kit uses 5-ply silicone boots and is available in black, blue and red. You can find it on the 2016–2019 Titan XD collection page.

Intercooler boots are the flexible connections in the charge-air system, which carries compressed air from the turbocharger through the intercooler toward the engine. When planning the repair, check which connections need attention and compare them with the kit’s product photos and description.

If you need an exact list of the boots and clamp hardware before ordering, contact Mammoth with the kit name and your truck details. That is especially useful if the truck is already apart and you’re trying to make sure you have the parts needed for the job.

Has the charge-air plumbing been changed?

Aftermarket pipes or a different intercooler can change the connections the boots need to fit. The truck’s original year and engine still matter, but they won’t describe every part currently under the hood.

Take clear photos of the connections and note any part numbers on the installed pipes or intercooler. Compare the connection sizes, boot shapes and routing before ordering. If something looks different from the product photos, ask about that specific setup rather than assuming the listed vehicle application covers it.

Our guide to choosing a diesel intercooler boot kit walks through the broader fitment checks if you need help working out what to compare.

Keep coolant-hose work separate

If you’re also dealing with a coolant leak, identify those parts separately. Intercooler boots serve the charge-air system; radiator hoses carry engine coolant. A boot-kit application doesn’t establish which radiator hoses fit the truck.

Before you order

Confirm the 2016–2019 model year, Titan XD model and 5.0L Cummins diesel engine, then check for changes to the charge-air connections. Once those details line up, review the Mammoth Titan XD boot kit and choose your color.

If you’re unsure about the setup, get in touch before taking the truck apart. The year, engine, modification details and a few clear photos make it easier to explain what you’re working with.