Parts for your 2017 Nissan Navara-Exhaust mount

2017 Nissan Navara exhaust mount — purpose, service and replacement

Yes — an exhaust mount is absolutely used on the 2017 Nissan Navara (D23/NP300). Nissan’s factory Workshop Manual for the D23, Exhaust System (EX) section, details multiple rubber “insulator – exhaust” hangers and welded brackets supporting the front pipe, centre section and rear muffler. The Nissan FAST electronic parts catalogue for D23 likewise lists these hangers across the system, noting their locations by body style and wheelbase. These technical sources confirm exhaust mounts are standard fitment and integral to the Navara’s exhaust layout.

On the 2017 Navara, the exhaust mounts do the quiet, unglamorous work of holding the system in place while soaking up vibration. They keep the pipes and mufflers aligned, prevent metal-on-metal contact with the chassis, and help stop droning, rattles and stress on joints and flex sections. For DPF-equipped diesels, correct support is extra important to avoid cracks at welds or the flex joint from excess movement.

As part of routine servicing, a quick underbody check of the exhaust mounts pays off. Look for perished or cracked rubber, elongated holes, torn hangers, and rusty brackets. If the tailpipe sits wonky, there’s a new rattle over bumps, or there’s a buzz at idle that wasn’t there before, the mounts may be tired. Australian and New Zealand conditions — heat, corrugations, beach work and road salt — can age the rubber sooner, so it’s smart to inspect at each service interval.

• Replace any mount that’s cracked, oil-soaked, hardened, or torn.
• Support the exhaust before unhooking mounts to prevent strain on joints.
• Use a dab of silicone spray on pegs to make removal/refit easier, avoid petroleum grease on rubber.
• After fitting, check clearances to crossmembers, springs, heat shields, spare wheel and towbar.

There’s no fixed replacement schedule, it’s condition-based. By mid‑life, many utes benefit from at least a couple of new hangers. OEM-spec rubber insulators maintain the factory isolation. Polyurethane options can last longer but may transmit more vibration — fine for some setups, not ideal if cabin refinement is the priority. If one mount has failed, check the rest, they tend to age together. It’s a straightforward job on a hoist, and aligning the system properly at the same time will reduce future stress on clamps, flanges and the DPF housing.

Popular questions

How many exhaust mounts are on a 2017 Nissan Navara?
The D23 typically uses several rubber hangers from the front pipe through to the rear muffler — commonly three to five depending on body style, wheelbase and the exact exhaust layout. The parts catalogue and workshop manual diagrams show their positions by variant.

Is it safe to drive with a broken exhaust mount?
It might limp along, but it’s not a great idea. A failed mount can let the system sag or hit the chassis, causing knocks, leaks or damage to the flex joint and DPF. Get it secured and replaced promptly to avoid bigger repair bills.

Should they choose OEM or aftermarket hangers?
OEM-spec rubber hangers keep factory noise and vibration levels. Aftermarket polyurethane can be tougher and resist heat and oil better, but may transmit more vibration. For touring and daily use, most owners stick with OEM-style rubber, for heavy off‑road or high-heat applications, quality aftermarket can make sense.