Part Interchangeability Questions from a new 2003 Y34 M45 owner

Forum for Infiniti M35 and M45, and Nissan Fuga owners.
pm59723
Posts: 11
Joined: Tue Jun 07, 2022 5:41 am
Car: 2003 Infiniti M45

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Hey everyone!

I've recently come into possession of an inherited 2003 M45 :mike Pretty stoked! But I'm looking around at the internet scoping out parts availability and it's been quite the runaround. Coming from working on old domestics where parts are at every AdvancedZone, this is a whole new ballgame for me.

I have seen a few things that I'm hoping to confirm with y'all, the experts.

1) The engine from the '03 M45 is the same as that in the Q45 F50?
2) Front suspension is largely the same components as the Q45 F50 also, except for perhaps the struts? I've had some success searching for bushings by looking at part numbers and finding *very* similar part numbers for other Nissan models, but if there's some rule of thumb here that would be awesome.
3) Rear suspension is largely the same components as the 350Z Z33? Same deal here as #2, seems many of the part numbers between schematics are damn close to identical, and I saw reference to these systems being the same on a coilover dealer's site when trying to research this. Any rule of thumb here?

Thanks so much for your time!


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Rogue One
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:welcome:

If you go to https://www.infinitipartsdeal.com you can enter your VIN to find part numbers, usually along with what vehicle they're compatible with.

EXAMPLE:
Part Description - Rod Assy-Connecting,Stabilizer
Lookup Code - 54618
Replaced By - 54618-AR00B
Manufacturer - Infiniti

Part Fitment
2003-2004 Infiniti M45 - VK45DE
2003-2006 Infiniti Q45 - VK45DE

pm59723
Posts: 11
Joined: Tue Jun 07, 2022 5:41 am
Car: 2003 Infiniti M45

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Thanks! Yeah, I've been pouring over those schematics and trying to cross reference part numbers for bushings, etc. I would like to avoid replacing entire control arms if I can just find compatible parts and press them in.

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FlawleZ
Posts: 112
Joined: Sun Dec 08, 2013 9:37 am
Car: 1992 Nissan 300ZX TT
1987 Nissan 300ZX Turbo
2017 Nissan Titan SV 4x4

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May not be what you're looking for but the harmonic balancer is interchangeable with the 2006+ M45. I swapped mine with one from 03 years ago when mine was failing.


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