Used OEM Part · Tested

Mazda 6 (2.5L), VIN 5 (8th digit, naturally aspirated) 2.5L Engine (2018)

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Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $4,444.00
$2,020.00
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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  1. 1Enter or confirm your VIN
  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 2.5L I4 Engine for 2018 Mazda 6 Naturally Aspirated

Factory-original 2.5-liter inline-four engine designed for 2018 Mazda 6 models with naturally aspirated configuration. This OEM powerplant delivers reliable performance and seamless compatibility with your vehicle's transmission and electrical systems. Ideal for complete engine replacement or restoration projects requiring authentic Mazda engineering.

Engine Specifications:

Category Details
Displacement 2.5L I4
Engine Code Skyactiv-G 2.5L (PY-VPS) (VIN Code 5, 8th Digit '5')
Horsepower 184 hp
Torque 185 lb-ft
Fuel System Direct Fuel Injection (GDI)
Valvetrain DOHC 16-Valve with Dual S-VT (Variable Valve Timing)
Block Material Aluminum Block & Head
 

Compatibility: 2018 Mazda 6 models equipped with the naturally aspirated 2.5L Skyactiv-G engine where the 8th digit of the VIN is '5'.

Pricing & Condition Options:

Mileage Range Price Condition
<30K miles $ 2,020.00 Low mileage, excellent compression, minimal wear. 
30K-60K miles $ 1,650.00 Well-maintained, clean components, ready for a reliable installation.
60K-90K miles $ 1,334.00 Solid functional core, perfect for a straightforward powertrain replacement.
90K-120K miles $ 1,170.00 Higher-mileage core. Ideal for budget repairs.

Key Features:

Complete Long Block Assembly: This complete engine package contains all core components engine block, crankshaft, pistons, cylinder head, and full valvetrain assembly. 

Refined & Dependable: Guaranteed smoke-free emissions, leak-sealed construction, and noiseless mechanical operation with consistent smooth and dependable performance backed by warranty coverage.
     

Backed by Warranty: Complete assembly coverage backed by comprehensive warranty protection ensuring confidence in long-term reliability and performance.

Shipping Information:

Standard shipping 5-7 business days.

Expedited shipping availablefor an extra cost.

Frequently Asked Questions?

Q: How do I confirm this is the naturally aspirated engine for my Mazda 6?

A: The 8th digit of your VIN must be '5'. This identifies the naturally aspirated 2.5L Skyactiv-G. The 2.5L Turbo model uses a different VIN code. Provide your full VIN for verification.

Q: Is this the same engine used in other Mazda vehicles?

A: Yes, this Skyactiv-G 2.5L is used across Mazda's lineup, but it is configured with specific tuning and accessories for the Mazda 6 application. It is the correct direct-fit OEM replacement.

Warranty Provided: 60-Day Limited Parts Warranty

Backed by a comprehensive 60-day limited parts warranty, this genuine 2.5L engine for 2018 Mazda 6 naturally aspirated variants safeguards your investment against defects in materials and construction. Warranty coverage validates the quality and reliability of this critical engine assembly.

Ready to Order?

Select your desired mileage option. Confirm your VIN's 8th digit is '5'. Contact our Mazda specialists with your full VIN for verification and a complete list of recommended installation components, including GDI-specific service items, for a repair that restores factory performance and efficiency.

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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