Engine Specifications
| Specification |
Details |
| Engine Code (Part Code) |
EZ30 (EZ30D / EZ30-R) |
| Engine Family |
Subaru EZ Flat-Six Engine Series |
| Engine Size |
3.0L (2,999 cc) Horizontally Opposed 6-Cylinder (Boxer) |
| Aspiration & Fuel |
Naturally Aspirated / Multi-Point Fuel Injection |
| Mileage / Condition |
Used Low-Mileage Import / Tested (Approx. 50,000–70,000 KM) |
| Testing Status |
Compression Tested, Leak-Down Tested & Steam Cleaned |
| Parts Included |
Complete Engine Assembly with Attached Core Accessories |
| Core Charge |
$0 (No Core Return Required) |
Product Overview & Fitment Highlights
Restore smooth 6-cylinder power and refinement to your Subaru with a hand-picked, low-mileage EZ30 complete engine assembly—compression tested, steam cleaned, and verified for strong mechanical health.
Why Choose This Engine?
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Low-Mileage Condition: Sourced with low average kilometers (approx. 50K–70K KM) to ensure maximum remaining operational life.
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Fully Tested: Units undergo compression and leak-down testing prior to listing to check cylinder pressures across all 6 cylinders.
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Direct OEM Replacement: Original Subaru 3.0L Flat-6 engine assembly designed for direct drop-in setup.
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No Core Return: Keep your old engine block! We do not charge core fees or require trade-ins.
General Vehicle Fitment Reference
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Engine Variations:
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EZ30D (Early Phase 1, 2000–2004): Aluminum intake manifold, single exhaust port per head, traditional cable/drive-by-wire throttle (Fits Outback H6 3.0, Legacy Lancaster).
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EZ30-R / EZ30D (Late Phase 2, 2004–2009): Black plastic intake manifold, 3 exhaust ports per head, AVCS & AVLS (Variable Valve Timing/Lift), Electronic Drive-by-Wire throttle (Fits Outback 3.0R, Legacy 3.0R, Tribeca B9 3.0L).
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VIN & Variant Verification Recommended: Phase 1 and Phase 2 EZ30 engines are not directly interchangeable due to major structural differences in exhaust porting, cylinder heads, and timing control setups. Call us at 403.471.7150 or send us your VIN so we can confirm exact variation matching for your vehicle!
Components Included vs. Accessories to Transfer
Engines are sold as complete assemblies (photos may show a representative unit) , including attached intake and exhaust core accessories. However, because electrical plug configurations, emissions setups, and sensor layouts vary by year and market, plan to swap your original sensors and harness if necessary:
| Included (Attached Core Accessories) |
Transfer / Swap From Original Engine |
| Engine Block & Cylinder Head Assembly |
Vehicle Engine Wiring Harness & ECU
|
| Intake Manifold & Throttle Body Assembly |
Sensors (USDM Crank/Cam Sensors, Knock Sensor)
|
| Fuel Rail & Injectors |
Vehicle Emissions & Vacuum Lines |
| Exhaust Manifold Headers & Timing Covers |
Alternator, AC Compressor & Power Steering Pump (If different)
|
| Valve Covers, Oil Pan & Timing Chain Assembly |
Starter Motor |
Compatible Models & Years
| Model |
Year Range |
Drivetrain |
Notes |
| Subaru Outback H6 / VDC |
2001 – 2009 |
AWD |
Phase 1 & Phase 2 |
| Subaru Legacy 3.0R |
2004 – 2009 |
AWD |
Phase 2 (EZ30-R) |
| Subaru Tribeca (B9) |
2006 – 2007 |
AWD |
Phase 2 (EZ30-R) |
Unsure About Compatibility?
Vehicle options, trims, and engine splits can vary. Before placing your order, please contact us with your VIN (Vehicle Identification Number) or send it to us before ordering. Our team will verify exact block, head, and sensor compatibility for your specific vehicle.
Installation & Peripheral Swap Notice:
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Sensor & Harness Swaps: Depending on your vehicle’s exact market, trim, and emission specs, your installer may need to transfer your original engine’s sensors, intake manifold, wiring harness, or oil pan to match your factory ECU.
Disclaimer: This compatibility table is provided for reference purposes only. It is the buyer/installer’s responsibility to confirm that the engine code listed in the specifications above matches their existing vehicle setup prior to installation.
