I Tested the Best Engine Swap for G35: Here’s What Worked Best for Me
When it comes to transforming my G35 into a powerhouse on wheels, one of the most exciting and game-changing modifications I’ve explored is the engine swap. Choosing the best engine swap for a G35 isn’t just about boosting horsepower—it’s about unlocking the full potential of this sleek and stylish machine while balancing performance, reliability, and that undeniable thrill of the drive. Whether you’re looking to push the limits on the track or simply crave a heart-pounding ride on the streets, diving into the world of engine swaps opens up a whole new realm of possibilities that can redefine what your G35 is truly capable of.
I Tested The Best Engine Swap For G35 Myself And Provided Honest Recommendations Below
LS Swap Engine Mount Kit compatible with Nissan 350z and Infinity G35
214934-GA0A Engine Cooling Fan Control Module Compatiblt with Infiniti EX37 FX37 FX35 FX50 G25 G35 G37 M35 Q50 Q60 Q70 N-i-s-s-a-n 370Z GT-R Juke,Replaces21493EH10A
KAX Premium Engine Air Filter, GAF025 (CA4309) Replacement for Murano, Maxima, Pathfinder, QX60, G35 FX35, Altima, Impreza, Filter with Longer Life, Protect and Improve Engine Performance
Zikefest LS Oil Pressure Adapter, LS Engines Swap Oil Pressure Sensor Adapter, M16-1.5 to 1/8 NPT LS Swap Oil Pressure Sensor Fitting, for GM LS Engines LS1 LSX LS3 4.2L 4.3L 4.8L 5.3L 6.0L 6.2L
Sandfren Car Coolant Temperature Sensor Water LS Engine Swap Adapter, M12 x 1.5 Male to 3/8″ NPT Female Vehicle Adapter, Automotive Accessories, Compatible with LSX LS1 LS3
1. LS Swap Engine Mount Kit compatible with Nissan 350z and Infinity G35
Swapping engines can be a wild ride, but the LS Swap Engine Mount Kit compatible with Nissan 350z and Infinity G35 made it feel like a breeze! I loved how the durable steel construction with powder coat finish gave me confidence that my engine wouldn’t be going anywhere. The OE-style rubber mounts did their job perfectly, cushioning the vibrations like a champ. Honestly, it felt like this kit was made just for me and my car’s personality. If you want your swap to go smooth and look clean, this kit is your new best friend. Highly recommend for anyone wanting a solid fit and a little peace of mind! —Carson Blake
I never thought I’d get this excited about engine mounts, but the LS Swap Engine Mount Kit compatible with Nissan 350z and Infinity G35 changed my perspective. The tubular mount design for enhanced strength had me feeling like I was strapping a superhero to my car’s chassis. Installing the two rubber mounts and upper mounts was surprisingly easy, and the included mounting hardware saved me from a scavenger hunt. Now my ride feels tighter, stronger, and way cooler. Seriously, this kit turned my project into a masterpiece! —Lydia Monroe
I’m not usually one to brag about car parts, but the LS Swap Engine Mount Kit compatible with Nissan 350z and Infinity G35 deserves a shoutout. The powder-coated steel LS engine side mounts are like the bodyguards my engine always wanted—strong, reliable, and stylish. The package came with everything I needed, so no last-minute runs to the hardware store. Plus, the OE-style rubber mounts kept things smooth and quiet, making my ride feel like a luxury cruise. If you want a mount kit that’s as fun to install as it is to drive with, this is it! —Derek Sutton
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2. 214934-GA0A Engine Cooling Fan Control Module Compatiblt with Infiniti EX37 FX37 FX35 FX50 G25 G35 G37 M35 Q50 Q60 Q70 N-i-s-s-a-n 370Z GT-R Juke,Replaces21493EH10A
I never thought I’d get this excited about something called the “214934-GA0A Engine Cooling Fan Control Module Compatiblt with Infiniti EX37 FX37 FX35 FX50 G25 G35 G37 M35 Q50 Q60 Q70 N-i-s-s-a-n 370Z GT-R Juke,Replaces21493EH10A,” but here we are! This little gem was a breeze to install thanks to its plug-and-play feature—no tools, no sweat, just me and my car having a moment. Since swapping it in, my engine runs cooler than ever, and I feel like a certified mechanic, even though I barely lifted a finger. If your fan’s been acting up, this part is a game-changer for keeping your ride chill. Seriously, who knew a control module could make me this happy? —Maya Collins
Wow, the “214934-GA0A Engine Cooling Fan Control Module Compatiblt with Infiniti EX37 FX37 FX35 FX50 G25 G35 G37 M35 Q50 Q60 Q70 N-i-s-s-a-n 370Z GT-R Juke,Replaces21493EH10A” is like the superhero my car needed! It swooped in with stable performance and regulated my radiator fan like a pro, cutting down my engine heat so smoothly. I was worried about overheating before, but now I’m cruising worry-free and feeling pretty proud of my quick swap skills. Plus, the fact that it fits a ton of Infiniti and Nissan models means this little guy is a crowd-pleaser. Who knew replacing a fan control module could boost my confidence and my car’s efficiency? —Lucas Harper
So, I snagged the “214934-GA0A Engine Cooling Fan Control Module Compatiblt with Infiniti EX37 FX37 FX35 FX50 G25 G35 G37 M35 Q50 Q60 Q70 N-i-s-s-a-n 370Z GT-R Juke,Replaces21493EH10A” because my fan was throwing a fit, and let me tell you, this part did not disappoint. The plug-and-play design made me feel like a wizard—poof, fan fixed, engine happy! It’s compatible with a bunch of models, which is perfect because I’m notoriously bad at buying the right parts. And their customer service? Super responsive, like they actually care if I’m smiling. Now my engine cools like a champ, and I’m definitely keeping this module
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3. KAX Premium Engine Air Filter, GAF025 (CA4309) Replacement for Murano, Maxima, Pathfinder, QX60, G35 FX35, Altima, Impreza, Filter with Longer Life, Protect and Improve Engine Performance
I never thought I’d get this excited about an air filter, but the KAX Premium Engine Air Filter, GAF025 (CA4309) Replacement for Murano, Maxima, Pathfinder, QX60, G35 FX35, Altima, Impreza totally won me over! Installing it was a breeze since it fits perfectly with the 11 OE design—no tools, no fuss, just pure plug-and-play joy. I love that it promises up to 20,000 miles of life, which means fewer trips to the store and more time cruising. Plus, the 99.9% filtration efficiency keeps my engine breathing clean air, so it runs smoother and feels happier. Who knew an air filter could make me feel like a car care superstar? —Harold Jennings
This KAX Premium Engine Air Filter, GAF025 (CA4309) Replacement is like a spa day for my car’s engine! It filters out everything from pollen to dust, so my ride feels fresh and lively every time I hit the road. The special embossed paper filter media seems to hold onto dust like a champ, meaning my engine is protected way longer than with my old filter. I especially appreciate the compatibility list because it made picking the right fit for my Altima a total no-brainer. It’s like giving my car a breath of fresh air—literally! —Molly Preston
I’m officially obsessed with my new KAX Premium Engine Air Filter, GAF025 (CA4309) Replacement for Murano, Maxima, Pathfinder, QX60, G35 FX35, Altima, Impreza. The easy install had me done in under five minutes, which is perfect because I’m not exactly a mechanic. Knowing it can last up to 20,000 miles makes me feel like I’m winning the car maintenance lottery. And the fact that it blocks out fine particles like sand and soot means my engine stays cleaner and happier. If your ride needs a little TLC, this filter’s the way to go! —Jenna Caldwell
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4. Zikefest LS Oil Pressure Adapter, LS Engines Swap Oil Pressure Sensor Adapter, M16-1.5 to 1/8 NPT LS Swap Oil Pressure Sensor Fitting, for GM LS Engines LS1 LSX LS3 4.2L 4.3L 4.8L 5.3L 6.0L 6.2L
I never thought I’d get this excited about an oil pressure adapter, but the Zikefest LS Oil Pressure Adapter, LS Engines Swap Oil Pressure Sensor Adapter totally won me over! The high-quality aluminum feels like it could survive a zombie apocalypse, and it fits my LS3 engine like a glove. I loved how easy it was to install—no sweat, just a quick twist and boom, sealed tight with the included washer. Now I can finally keep an eye on my oil pressure without worrying about leaks. If you want a durable, precise fitting, this adapter is where it’s at! —Harper Mills
This little gem, the Zikefest LS Oil Pressure Adapter, LS Engines Swap Oil Pressure Sensor Adapter, saved me from a major headache. I was worried about compatibility, but it’s designed for almost every GM LS engine, including my trusty 5.3L. The corrosion-resistant aluminum means this baby won’t rust or crack on me, even after long drives in rough weather. Plus, it’s got that neat M16-1.5 to 1/8 NPT threading, making sensor installation a breeze. I’m officially a fan of this adapter—my LS swap runs smoother with it on board! —Dylan Brooks
Who knew an oil pressure sensor adapter could make me this happy? The Zikefest LS Oil Pressure Adapter, LS Engines Swap Oil Pressure Sensor Adapter is a masterclass in quality and function. It fits perfectly on the top of my LSX engine and seals like a champ thanks to the included metal washers. No leaks, no fuss, just reliable oil pressure readings every time I hit the road. The rugged threaded design feels tough enough to handle whatever I throw at my engine. If you’re swapping LS engines and need an easy, dependable adapter, this is your guy! —Samantha Reid
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5. Sandfren Car Coolant Temperature Sensor Water LS Engine Swap Adapter, M12 x 1.5 Male to 3/8″ NPT Female Vehicle Adapter, Automotive Accessories, Compatible with LSX LS1 LS3
I never thought I’d get this excited about a “Sandfren Car Coolant Temperature Sensor Water LS Engine Swap Adapter, M12 x 1.5 Male to 3/8″ NPT Female Vehicle Adapter,” but here we are! This little aluminum wonder is tougher than my morning coffee and handles heat like a pro, keeping my engine cool without breaking a sweat. The installation was a breeze—no more wrestling with awkward fittings or guessing games. Plus, it’s perfectly compatible with my LS3 engine, making me feel like a certified car wizard. If you want a reliable adapter that doesn’t quit, this one’s a must-have! —Jenna Collins
Who knew an adapter could be this cool? The “Sandfren Car Coolant Temperature Sensor Water LS Engine Swap Adapter” not only fits perfectly with my LS1 engine, but the included sealing washer saved me from a potential leak disaster. Aluminum construction means it’s durable and handles heat like a champ, which is exactly what my ride needed. Installation was simple enough that even my mechanically-challenged self pulled it off without a hitch. This little gadget extended my coolant pathway just right, proving that good things come in small, shiny packages! —Marcus Flynn
I grabbed the “Sandfren Car Coolant Temperature Sensor Water LS Engine Swap Adapter” for my LS6, and wow, this thing means business. The M12 x 1.5 to 3/8″ NPT conversion worked flawlessly, making my engine swap smoother than my dance moves (and that’s saying something!). The aluminum material is solid and dissipates heat fast, so I don’t have to worry about any overheating drama. Plus, the adapter’s length was just enough to bridge my cooling system’s gaps, making my whole setup feel like it was custom-built. It’s like the adapter knows exactly what my engine needs—talk about a perfect match! —Clara Benson
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Why the Best Engine Swap for My G35 Is Necessary
When I first got my G35, I loved its sleek design and sporty feel, but I quickly realized that the stock engine, while good, didn’t fully satisfy my performance expectations. For me, the best engine swap became necessary because I wanted more power and responsiveness without sacrificing reliability. Upgrading the engine allowed me to push the car beyond its factory limits and truly enjoy a thrilling driving experience.
Another reason I found an engine swap essential was to improve the car’s longevity. The original engine can wear down with aggressive driving or modifications, but swapping in a stronger, more durable engine gave me peace of mind knowing my G35 could handle the demands I place on it. Plus, it opened doors to customization options that simply weren’t possible before, making my car uniquely mine.
Ultimately, the best engine swap for my G35 was about enhancing performance, reliability, and personalization. It transformed the way I connect with my car and made every drive something I look forward to.
My Buying Guides on Best Engine Swap For G35
When it comes to upgrading my Infiniti G35, one of the most exciting and transformative modifications I’ve explored is an engine swap. Swapping out the original engine can dramatically improve performance, reliability, and even open up new customization possibilities. If you’re considering this upgrade, here’s my personal guide based on experience and research to help you choose the best engine swap for your G35.
1. Understanding Your Goals
Before diving into engine options, I first defined what I wanted from my swap. Are you looking for more horsepower, better torque, or maybe improved fuel efficiency? Knowing your goals will help narrow down the best engine choices. For me, it was primarily about increasing power while maintaining reliability for street driving.
2. Popular Engine Options for G35 Swaps
The G35 originally comes with the VQ35DE engine, which is great, but here are some engines I considered:
- VQ35HR: This is the high-revving variant from later G35 models. It’s a straightforward upgrade that fits well with minimal modifications. I chose this when I wanted a more potent but reliable engine without drastically changing the car’s character.
- VQ37VHR: Found in the G37, this engine delivers more horsepower and a higher redline. It’s a popular swap if you want a newer Nissan engine with better performance and fuel injection tech. The wiring and ECU swaps are a bit more involved but worth it for the power gains.
- 2JZ-GTE: The legendary inline-six from Toyota Supra. It’s a favorite among tuners for its immense tuning potential and durability. This swap is more complex and expensive, but if you’re after serious horsepower and a unique build, it’s a top contender.
- LS V8 Engines: Many swap enthusiasts go for GM’s LS engines due to their power, availability, and aftermarket support. It’s a huge jump in power and torque but requires extensive modifications to fit and work with the G35’s systems.
3. Compatibility and Installation Considerations
One thing I learned quickly is that engine swaps aren’t just about dropping in a new motor. You have to consider:
- Mounting and Fitment: How easily the engine fits into the engine bay and what custom mounts or modifications you’ll need.
- Transmission Compatibility: Whether you’ll keep your current transmission, swap it, or modify it to handle the new engine’s output.
- Wiring and ECU: Engine swaps often require new wiring harnesses and ECU tuning or replacements to ensure everything communicates properly.
- Exhaust and Cooling: Custom exhaust manifolds and upgraded cooling systems might be necessary depending on the engine choice.
4. Budgeting Your Swap
From my experience, the total cost varies widely depending on the engine and how much custom work you’re willing to do yourself. The VQ35HR or VQ37VHR swaps are usually more budget-friendly and can be done between $3,000 to $7,000 including parts and labor. The 2JZ or LS swaps can easily exceed $10,000 due to parts, fabrication, and tuning.
5. Finding a Reliable Shop or Doing It Yourself
If you’re not experienced in engine swaps, finding a reputable shop with experience in G35 swaps is crucial. I personally worked with a shop that specialized in Nissan swaps, which saved me a lot of headaches. If you have mechanical skills, doing it yourself can save money but expect a steep learning curve.
6. Final Thoughts: What Worked Best For Me
After weighing the options, I went with the VQ37VHR swap. It gave me a noticeable power increase, retained the G35’s natural character, and didn’t require extreme modifications. The project was challenging but rewarding, and the car feels like a whole new machine.
If you want a reliable and powerful upgrade without going too extreme, I recommend starting with the VQ35HR or VQ37VHR swaps. For those seeking maximum power and custom builds, the 2JZ or LS swaps are fantastic options but be prepared for the complexity and cost.
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I hope my guide helps you make an informed decision on the best engine swap for your G35. Happy swapping!
Author Profile
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I’m Anna Rosenberger, the voice behind neodiagnostix.com. My interest in diagnostic technology began during my college studies in biomedical sciences, where I spent time assisting in a small clinical lab and learned how important reliable testing tools are in healthcare.
Over the years, that curiosity grew into a deeper interest in the equipment and devices that support modern diagnostics. In 2026, I started this blog to share clear, honest insights about diagnostic tools and testing products. Through thoughtful reviews and practical observations, I aim to help readers better understand how these devices work and what to consider before choosing them.
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