Genuine INFINITI Exhaust Parts
Exhaust Manifold
Exhaust Manifold
Exhaust Manifold
Exhaust Manifold
Exhaust Valve
Exhaust Muffler
Exhaust Stud
Exhaust Manifold
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A cracked manifold or a rattling muffler usually means one specific part, and INFINITI lists most of them by side, engine and build date. This page carries genuine INFINITI exhaust manifolds, mufflers, pipes, heat shields and hangers.
Exhaust Manifolds, Mufflers and Pipes
Turbo engines
On turbo models the manifold and turbocharger come as one part. 144115CA6D is listed for the Q50 and Q60 3.0L from 2020 with the turbocharger and integrated manifold, and 144117JA1A is the right side manifold with turbocharger for the 2025 QX80 3.5L.
V8 trucks and the Q70
Earlier QX80 and QX56 trucks use 140021LA0C on the left. On the 5.6L Q70, Q70L and M56, 140021CX0B is the right manifold. A few older parts carry their own notes: 14002CR90A, for the Q45 and M45, is marked local pick up only. The I35 is still covered too, with right manifold 14004CA000, and the 2007 to 2010 QX56 lists pipe 20030ZE00B from 04/07.
QX60
The 3.5L QX60 lists rear manifold 140021AA0A for 2014 to 2016, and the 2.5L uses 140E23KR0A. The front pipe 200209PA0A is listed for the 3.5L with a split at 09/2014, so check your build date. Hangers are listed by engine as well: 206514N000 is a front hanger for the QX60 V6 3.5L and the newer 2.0L turbo.
Mufflers
QX80 mufflers follow the generation: 201006JF0E is a front muffler listed from 09/2019, and the 2025 3.5L uses 201007JA0A and 203507JA0A. The Q70L lists 201001PM1A on the rear left and 201001PM0A on the rear right. The 2025 and newer QX60 with the 2.0L turbo uses 201006TX0A. On the M37, M56 and Q70, 201001ML0A is the rear right muffler, and the 2017 and 2018 Q60 lists 201005CD0D.
A note on the grid
The search also returns 66 engine camshaft followers. Use the Product Type filter to see only exhaust parts, then add your VIN. The page lists 45 mufflers, 44 heat shields and 26 manifolds in all, plus 30 hangers and 20 manifold heat shields. When a heat shield rattles, the hanger or shield is often the only part needed. On turbo models, check both the engine size and the side before ordering. The newer QX80 right manifold, listed from 05/2023, is 140E26JR0A. Exhaust gaskets are on their own page, linked below. Related pages: exhaust gaskets, engine parts, ignition parts and suspension parts.
FAQs
Do you sell the Q50 3.0L turbo manifold?
Yes. 144115CA6D includes the turbocharger and integrated manifold for the 2020 and newer Q50 and Q60 3.0L.
Are QX80 manifolds sold by side?
Yes. 140021LA0C, for example, is the left manifold for earlier QX80 and QX56 trucks.
Which front muffler fits a 2021 QX80?
201006JF0E is listed as the front muffler from 09/2019.
Does the QX60 front pipe change by date?
Yes. 200209PA0A is listed for the 3.5L with a split at 09/2014.
Why are camshaft parts in the grid?
They share a keyword. Filter by Product Type to hide them.