Parts for your 2014 Nissan Serena-Exhaust mount

2014 Nissan Serena Exhaust Mounts: What They Do and When to Replace Them

Based on Nissan’s C26 Serena Service Manual (Exhaust System section) and the Nissan Electronic Parts Catalogue (FAST) for the 2014 model, the Serena is fitted with multiple exhaust mounts (also called exhaust hangers or insulators). These rubber isolators support the exhaust pipework and muffler assemblies, appearing in the factory parts listings as “insulator – muffler/exhaust”. So yes, an exhaust-mount is absolutely relevant on a 2014 Nissan Serena.

The job of these mounts is straightforward but vital: they hold the exhaust at the correct height and alignment while soaking up engine and road vibration. On a family hauler like the Serena, good mounts keep the cabin quiet, stop the tailpipe from knocking the body or rear beam, and help protect welds and flanges from stress. When the rubber ages, perishes, or stretches from heat and road grime, the system can sag or swing about, causing rattles, thumps over bumps, or a droning vibe that drives everyone mad on longer trips.

As part of routine servicing, it’s smart to glance at the Serena’s exhaust mounts whenever the vehicle’s on a hoist—particularly around the front pipe flex section, centre resonator area, and the rear muffler. In coastal Aussie and Kiwi conditions, salt and spray accelerate rubber aging and can rust the hanger pegs, so check them a bit more often.

• Tell-tale signs they’re due: visible cracking, hardening, tearing, or the tailpipe sitting low or off-centre, clunks over speed humps, new vibrations at idle.
• Replacement tips: support the exhaust with a stand or jack pad before removing any mount, use silicone spray or soapy water to slide the old rubber off and the new one on, avoid petroleum greases that attack rubber, inspect the steel hanger rods and clean light rust.
• Parts choice: genuine-spec rubber insulators keep NVH civilised. Stiffer polyurethane can last longer but may pass on more vibration—owners should weigh comfort versus longevity.

There’s no fixed kilometre interval—these are change-on-condition items—but many owners find they need attention somewhere in the 5–10 year range, or sooner with heavy loads, rough roads, or lots of short trips. If one mount has failed, check the others and the nearby heat shields and brackets. After fitting new mounts, confirm the tailpipe sits evenly in the bumper cut-out and there’s healthy clearance to the body and suspension.

Popular questions about 2014 Nissan Serena exhaust mounts

How many exhaust mounts does a 2014 Serena have?
Most C26 Serenas use several mounts—typically three to five—positioned near the front pipe/rear of the catalytic converter, mid-section, and rear muffler. Exact count can vary by trim and market spec, but there’s always enough to keep the system aligned and quiet.

How long do the exhaust mounts last?
There’s no strict schedule. In mild conditions they can last many years, in hot, coastal, or stop–start use, expect to inspect more often and possibly replace around the mid-life of the vehicle. Swap them when you see cracking, sagging, or feel new knocks and vibrations.

Can they be replaced at home?
Yes, if they have basic tools, sturdy axle stands or a hoist, and let the exhaust cool fully. Supporting the exhaust before removing a mount is key. If mounts are seized or the system looks misaligned, a workshop can sort it quickly.