Parts for your 2013 Nissan Pathfinder-Exhaust gasket

2013 Nissan Pathfinder exhaust gasket — fitment, purpose, and service advice

Referencing Nissan’s 2013 Pathfinder (R52) Electronic Service Manual (EX and EM sections), the Nissan Electronic Parts Catalog (FAST), and mainstream gasket catalogues from Victor Reinz, Fel‑Pro, and Walker, this model does use exhaust gaskets. The documentation details multi‑layer steel exhaust manifold‑to‑cylinder head gaskets and flange or “doughnut” gaskets between the front tubes/catalysts and downstream pipes. So, an exhaust gasket is relevant and fitted to the 2013 Nissan Pathfinder.

On this Pathfinder, the exhaust gasket’s job is simple but critical: it seals the joints where hot gases leave the engine and flow through the manifolds, catalytic converters and pipes. A tight seal prevents ticking leaks on cold start, stops soot from escaping under the bonnet, protects nearby components from heat, and ensures the oxygen sensors see clean, metered exhaust so the VQ35DE (or QR25 hybrid) can trim fuel properly. Quality gaskets also damp vibration at flanges, helping to keep the system quiet and free of fumes in the cabin.

Unlike oil filters, exhaust gaskets aren’t a routine replacement item on a time or kilometre basis. They’re serviced when disturbed, aged, or leaking. Any time the exhaust is removed for clutch, transmission, manifold, or catalyst work, plan on new gaskets — Nissan’s manual explicitly calls for replacement once a joint is opened. During scheduled servicing, a quick listen for a sharp “tss‑tss” at cold idle, a sniff for exhaust smell around the firewall, and a look for black soot at flange joints are all fair checks. If there’s a leak, don’t put it off, small blow‑by can skew fuel trims, trigger O2 or catalyst codes, and cook plastic shields over time.

When replacing, choose OEM or a reputable multi‑layer steel or graphite‑laminate gasket that matches the R52 flange profile. Clean the mating faces, chase the studs, and fit new spring bolts, nuts or studs where specified. Avoid generic silicone sealants on exhaust joints, they won’t survive the heat and may contaminate sensors. Fit the gasket dry unless the manufacturer supplies a specific coating. Reassemble squarely and torque to the factory spec in stages, following the correct sequence on manifolds. After a couple of heat cycles, a quick spanner check on accessible flange hardware can help, but don’t re‑torque manifold fasteners unless the manual allows it. Done right, a fresh gasket will go the distance with no dramas.

For Pathfinders that tow or spend time off‑road, inspections matter more. Heat cycling, water crossings, and vibration accelerate crush and corrosion, so budget for fresh flange gaskets whenever sections are separated during refit.

Popular questions about 2013 Nissan Pathfinder exhaust gaskets

What are the signs of a failing exhaust gasket on a 2013 Nissan Pathfinder?
Common clues include a sharp ticking noise on cold start that softens as it warms, a whiff of exhaust under the bonnet or near the firewall, visible black soot at flange joints, and a faint hiss under load. In some cases the ECU may log O2 or catalyst efficiency codes due to unmetered air entering ahead of the sensors.

If any of these pop up, it’s worth a quick inspection on a hoist. A smoke test or soapy‑water check on cold start can pinpoint the leak before it gets worse.

Can exhaust gaskets be reused on this model?
Best practice is no. Nissan’s service procedures specify replacing gaskets once a joint is opened, and many are crush‑style or multi‑layer designs that don’t seal properly a second time. Reusing old gaskets risks repeat leaks, warped flanges from over‑tightening, and false O2 readings.

Plan on new gaskets whenever the exhaust is removed for other work, and replace spring bolts, nuts, or studs where the manual calls it out.

How much does exhaust gasket replacement typically cost in Australia or New Zealand?
For flange/doughnut gaskets, parts usually run AUD/NZD $20–$80 per joint, with about 0.5–2.0 hours labour depending on access and corrosion. Manifold gasket jobs are more involved, expect several hours of labour, with costs varying by bank and whether studs need attention.

Getting quotes with the VIN helps ensure the right gasket set and hardware are included up front.