Rebuilt Infiniti FX Engine for sale

Rebuilt Infiniti FX Engine for sale. The Infiniti FX series (including FX35 and FX50) set a new benchmark for performance-focused luxury crossovers, combining sleek design with muscular V6 and V8 power. But over time, even the most refined engines wear down—especially in high-mileage vehicles or those pushed to their performance limits.

If your FX is experiencing serious engine trouble, a rebuilt Infiniti FX engine from First Used Auto Parts offers the perfect solution—restoring your vehicle’s performance while saving you thousands compared to a new engine.

Why Choose a Rebuilt Infiniti FX Engine? Rebuilt Infiniti FX Engine for sale.

🔧 Built to Factory Specs (or Better)

Our rebuilt engines are fully disassembled, machined, cleaned, and reassembled using premium components. Each unit is remanufactured to OEM standards for like-new performance and reliability.

💰 Save Big on a Full Replacement

A new or crate engine can be prohibitively expensive. Our rebuilt Infiniti FX engines provide top-tier performance without the top-tier price.

🛡️ Backed by Warranty

Every rebuilt FX engine is covered by a limited warranty, giving you added peace of mind and assurance of quality.

FX Models and Compatible Rebuilt Engines

Depending on your model and year, your Infiniti FX may be powered by one of the following engines:

✅ Infiniti FX35 – 3.5L V6 (VQ35DE / VQ35HR)

• Years: 2003–2012

• Output: ~280–303 horsepower

• Known for: Smooth, high-revving V6; timing chain design

• Variants: Early VQ35DE; later VQ35HR (high revving)

✅ Infiniti FX45 – 4.5L V8 (VK45DE)

• Years: 2003–2008

• Output: ~320 horsepower

• Known for: Powerful torque, premium V8 refinement

✅ Infiniti FX50 – 5.0L V8 (VK50VE)

• Years: 2009–2013

• Output: ~390 horsepower

• Known for: Direct injection, aggressive power delivery

We offer rebuilt long block and complete engine options for all FX powertrains, ensuring the right match for your model year and drivetrain (AWD or RWD).

What’s Included in a Rebuilt FX Engine?

Our rebuild process is comprehensive and focused on long-term reliability:

🔩 Engine Rebuild Includes:

• Cylinder block and head resurfacing

• New pistons, rings, main and rod bearings

• Complete valve job and camshaft inspection

• New timing chain or belt system

• Replaced oil and water pumps

• Full gasket and seal kit

• Compression testing and leak-down testing

All rebuilt engines are cleaned, pressure tested, and quality checked before shipping.

How to Order a Rebuilt Infiniti FX Engine

Step 1: Provide Your Vehicle Info

We’ll need your year, model (FX35/45/50), VIN, and drivetrain (RWD/AWD) to ensure a proper match.

Step 2: Get a Custom Quote

Receive a no-obligation quote that includes pricing, warranty terms, core exchange details, and shipping options.

Step 3: Arrange Fast, Nationwide Shipping

We ship to all 50 states—whether you’re in California, Texas, Florida, or New York, we’ve got you covered.

Why Choose First Used Auto Parts?

• 🛠️ Engine Experts – Specialists in Infiniti and Nissan V6/V8 powertrains

• 💸 Affordable Pricing – Rebuilt engines for significantly less than OEM

• 📦 Nationwide Delivery – Fast, insured freight shipping

• 🛡️ Warranty Protection – Limited coverage on all rebuilt engines

• 📞 Friendly Support – Real experts ready to help you every step of the way

Give Your FX a New Lease on Life

Don’t let a failing engine retire your FX before its time. With a rebuilt Infiniti FX engine from First Used Auto Parts, you can enjoy the same performance and reliability that made this crossover a standout—without the sky-high cost of a new engine.

📞 Call to Action

Call or message First Used Auto Parts today to request your quote for a rebuilt Infiniti FX engine. We’ll help you find the perfect engine and get you back on the road—quickly, affordably, and confidently.