Used OEM Part · Tested

Infiniti QX50 (VIN B, 4th digit, VQ37VHR, V6), AWD - Engine (2014-2017)

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Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $3,410.00
$1,550.00
Mileage
✓ Flat-rate freight — insured & tracked ·✓ 90-day warranty included· freight shown at checkout: $250 commercial / $400 residential
Ships within 3 - 5 business days Approx - flat-rate freight, tracked & insured Most orders arrive 5–7 business days after dispatch (US). You get tracking the moment it ships.
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  2. 2We verify exact fitment for your vehicle
  3. 3Flat freight shown up front — no surprises
  4. 490-day warranty included on every part
  5. 5We photograph & confirm the unit before it ships
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Part details

About this part

OEM 3.7L V6 Engine for 2014-2017 Infiniti QX50 AWD

Restore your Infiniti QX50's sport-infused crossover performance with our OEM 3.7L VQ37VHR engine. Designed specifically for 2014-2017 QX50 AWD models (4th VIN digit B), this advanced V6 powerplant delivers the spirited acceleration and all-weather capability that defines Infiniti's sport-tuned luxury crossover..

Engine Specifications:

Category Details
Displacement 3.7L V6
Engine Code VQ37VHR (VIN B)
Horsepower 325 HP 
Torque 267 lb-ft 
Fuel System Sequential Multi-Port Fuel Injection
Valvetrain DOHC 24-Valve with VVEL & CVTCS
Block Material Aluminum Block & Heads
 

Compatibility: 2014-2017 Infiniti QX50 AWD 4th VIN Digit B.

Pricing & Condition Options:

Mileage Range Price Condition
30K-60K Miles $ 1,550.00 Low mileage, excellent compression, full service records
60K-90K Miles $ 1,245.00 Well-maintained, strong performance, minimal wear
90K-120K Miles $ 1,140.00 Good condition, includes updated timing components
120K-150K Miles $ 920.92 Cost-effective solution for QX50 restoration
 

Key Features:

Complete Long Block Assembly: Package includes complete engine assembly with block, crankshaft, pistons, cylinder head, and full valvetrain components.

Smooth & Reliable: We guarantee that the engine will not smoke, leak or sound. It will be a good smooth runner.

Backed by Warranty: Warranty protection extends across the complete engine assembly, ensuring coverage against defects and manufacturing issues.

Shipping Information:

Standard shipping 5-7 business days

Accelerated shipping options are available for an additional fee.                                                                                                                                                                                           

Frequently Asked Questions?

Q: Is this engine the same as the Q50/Q60 VQ37VHR?

A: While based on the same fundamental design, the QX50 version features specific calibration for crossover dynamics and AWD system integration.

Q: Is this engine compatible with the QX50's 7-speed automatic transmission?

A: This VQ37VHR V6 engine is a direct OEM replacement for 2014-2017 Infiniti QX50 AWD models, delivering 325 horsepower and 269 lb-ft of torque. It's factory-matched to the 7-speed automatic transmission with no modifications needed for installation. Engine management software is pre-configured for seamless integration. Verify your VIN (4th digit = B) and model year before ordering to ensure proper fitment.

Q: How does the QX50 engine differ from sedan applications?

A: This VQ37VHR V6 engine is engineered exclusively for the 2014-2017 Infiniti QX50 AWD and differs significantly from Q50/Q60 sedan variants. The QX50 engine features crossover-specific cooling, fuel calibration, and transmission interface designed for all-wheel-drive dynamics. It produces 325 horsepower and 269 lb-ft of torque optimized for the QX50's chassis and weight distribution. Cross-platform swaps with sedans are not compatible and require extensive modification. 

Q: Will this engine work with all QX50 AWD trim levels?

A: Yes, this engine is compatible with all 2014-2017 QX50 AWD models regardless of trim or option packages.

Ready to Order?

Select your desired mileage tier and proceed to checkout. Our Infiniti technical team is available to confirm all-wheel-drive system compatibility and provide expert installation guidance throughout the process.

Order with confidence

Tested, VIN-matched, and guaranteed

VIN-Verified Fit

We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.

Works on Arrival, Guaranteed

Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.

90-Day Warranty

A real parts-replacement warranty, included — with extended coverage available.

Real photos of the exact unitWhat you see is what ships
A-grade OEM, testedVerified specs, not estimated
VIN-matched to your vehicleConfirmed before dispatch
Shipping & delivery

Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.

1Ships within 3 - 5 business days ApproxCarefully packed & dispatched from our US warehouse
2Freight to your doorBrought to your door
3Delivered in 5–7 business daysTracked & insured · tracking sent when it ships
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