Nissan 350Z Engine Replacement in Phoenix
One engine family across the production run, but three distinct specifications that matter for a correct replacement.
The Nissan 350Z (Z33) used the VQ35DE 3.5-litre V6 throughout its 2003–2006 run, but not all VQ35DE units are the same. The 2006–2007 models received the Rev-up variant, a higher-output version with different camshafts, pistons and other internals. That split is the single most important fact for anyone ordering a replacement engine.
From 2007 to 2008, the final model year cars received the VQ35HR, a different engine with dual intake paths, higher compression and more power. The VQ35HR is not a Rev-up; it is a distinct engine that replaced the VQ35DE in the 350Z and is sometimes confused with the VQ37VHR that followed in the 370Z.
The 350Z was offered in a single body style with either a manual or automatic transmission, which simplifies the body-style question. The transmission choice still matters for the flywheel and torque converter arrangement. Used engines from Altima and Murano VQ35DE applications will not bolt directly to a 350Z without addressing the sump, accessory layout and mounting.
The Rev-up split is the thing to get right
The standard VQ35DE and the Rev-up variant are different specifications with different internals. A Rev-up engine in a standard car, or vice versa, can cause engine-management problems that are not immediately obvious. The split falls across the 2006 model year, so a 2005 and a 2006 350Z may not use the same engine despite looking the same.
From 2007, the VQ35HR replaced the VQ35DE entirely. It is a distinct engine with dual intake paths, higher compression and different mounting. It is not a drop-in replacement for a standard or Rev-up VQ35DE. Confirm which engine your 350Z has before sourcing a replacement, and supply the VIN to remove all doubt.
The Rev-up versus standard split
The standard VQ35DE used in 2003-2005 350Zs and some 2006 models differs from the Rev-up variant in piston design, connecting rods and engine management calibration. Externally they look the same, and the stamped code alone does not always make the distinction obvious. Fitting a standard VQ35DE into a Rev-up car, or the reverse, can produce drivability problems, check-engine lights and incorrect idle behaviour that are difficult to diagnose after installation.
The safest approach is to supply the VIN and let a supplier decode the exact specification. If you are identifying the engine visually or by the stamped code, look for the Rev-up designation specifically. Assuming the two are interchangeable because they share a family code is how a straightforward engine swap becomes a second round of diagnostics.
What to have ready when you request a 350Z engine
Model year first, then whether the car is a standard VQ35DE or a Rev-up. The split falls across the 2006 model year, so a 2005 and a 2006 may need different engines despite being the same body style. The VIN settles this without ambiguity.
If the car is a 2007 or 2008, you need a VQ35HR, not a VQ35DE. Those are different engines and are not interchangeable. Confirm the stamped code on the block if there is any doubt.
Where Nissan 350Z orders go wrong
- Standard VQ35DE and Rev-up VQ35DE are different specifications. A Rev-up engine in a standard car, or vice versa, can cause engine-management problems.
- The 2007–2008 VQ35HR is a different engine from the VQ35DE and the Rev-up. Confirm which one you have before ordering.
- VQ35DE units from Altima, Murano or G35 applications differ in sump, accessory layout and mounting. The shared code does not make them interchangeable.
None of this needs to be worked out on your own. The Engine Finder asks for the year, model and trim and does the identification from there. The engine code field is optional precisely because most people do not have it.
Check availability for your Nissan 350Z
Year, trim and ZIP is enough to start. If you have the VIN it removes the guesswork entirely.
Common questions
What is the Rev-up 350Z engine?
The Rev-up is a higher-output variant of the VQ35DE fitted to 2006–2007 350Z models. It has different internal components that give it more power. It is not always clearly distinguished in used-engine listings, and fitting a standard VQ35DE where a Rev-up was specified can cause engine-management problems.
Is the VQ35HR a drop-in replacement?
No. The VQ35HR is a different engine from the VQ35DE, with dual intake paths, higher compression and different mounting. It is not a direct replacement for a standard or Rev-up VQ35DE without additional work. Confirm which engine your 350Z has before sourcing a replacement.
Related pages
- VQ35DE EngineNissan’s 3.5 V6 from the Altima, Murano, Maxima and 350Z.
- VQ37VHR EngineNissan's 3.7 V6 with VVEL, replacing the VQ35DE in the 370Z and G37.
- Infiniti G35VQ35DE V6 throughout, with the Rev-up variant and coupe-sedan differences to confirm.
- Nissan EnginesNissan engine families, and why the transmission is checked first.
- Repair or Replace Your EngineWhether to spend anything at all, before deciding what to spend it on.
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