PARTUTO TU000958A240403 Set Engine Motor Trans Mount 2.5L 3.6L

( Brand: Partuto ), ( Manufacturer Part Number: TU000958A240403 ), ( Mounting Style: Bolt-on ), ( Type: Engine Mount Kit ), ( Oe/oem Part Number: 41022aj000/41022ag10a9e/41022aj21bx2 ), ( Items Included: Engine Mount ), ( Material: Steel ), ( Universal Fitment: No ), ( Placement On Vehicle: Front, Rear )

Review PARTUTO Subaru 2.5l 3.6l Set Engine Motor Trans Mount fits LEGACY

The **Partuto TU000958A240403 Subaru 2.5L & 3.6L Engine Mount Set** is a high-performance, precision-engineered solution designed to enhance the structural integrity, drivability, and overall performance of Subaru models equipped with either the robust 2.5L horizontally opposed (boxer) engine or the high-revving, turbocharged 3.6L unit. This meticulously crafted mount set is crafted from durable, heat-resistant materials, ensuring long-lasting durability under the demanding conditions of daily driving, spirited acceleration, or aggressive off-road applications. The mounts are engineered to provide superior vibration damping, reducing harshness and fatigue while maintaining optimal engine alignment, which is critical for maintaining the precise balance and power delivery characteristic of Subaru s boxer engines. Whether installed in a WRX, STI, Legacy, Outback, Forester, or Tribeca, this set is tailored to accommodate the unique torque and power outputs of these engines, offering a seamless upgrade that complements both stock and aftermarket performance modifications. The design incorporates reinforced mounting points to minimize flex, thereby improving engine rigidity and reducing parasitic drag on the drivetrain, which translates to better throttle response and fuel efficiency. Additionally, the mounts are designed with easy installation in mind, featuring compatible bolt patterns and clear alignment guides to streamline the upgrade process without the need for specialized tools or modifications to the vehicle s chassis. Ideal for enthusiasts seeking a subtle yet effective enhancement to their Subaru s handling and power delivery, this engine mount set is a versatile choice for those looking to optimize their vehicle s performance while preserving the iconic sound and feel of a naturally aspirated or turbocharged Subaru engine.

### **Pros and Cons of Buying a 2.5L/3.6L Engine Swap for a Subaru (Part# TU000958A240403)**

This engine/transmission/mount bundle (2.5L EJ257 or 3.6L FB36) is a popular upgrade for Subaru models like the WRX, STI, Legacy, Outback, or Forester, offering improved power, reliability, and drivability. Below is a detailed breakdown of its advantages and drawbacks.

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### **Pros**

1. **Increased Power and Performance**

- The **2.5L EJ257** (turbocharged) produces **270 350 HP** (stock or modified) and **270 350 lb-ft of torque**, making it a significant upgrade over the stock FB20/FB25 engines (150 200 HP).

- The **3.6L FB36** (naturally aspirated) offers **270 300 HP** and **260 280 lb-ft of torque**, providing a smooth, high-revving alternative with better low-end torque than the EJ257 in stock form.

- Both engines allow for **aftermarket tuning** (e.g., AEM, Haltech, Link) to push even more power with supporting mods (turbo upgrades, fuel system, etc.).

2. **Improved Reliability (Compared to Stock FB Engines)**

- The **EJ257** is a well-proven engine with a **forged crankshaft, stronger block, and better oil control** than the FB20/FB25, reducing long-term failure risks (e.g., rod bearing failure, oil leaks).

- The **FB36** is a **naturally aspirated, high-revving engine** with a **cast iron block and aluminum head**, offering durability if maintained properly. It is less prone to turbo-related failures compared to the EJ257.

- Both engines have **better sealing** (valve cover, oil pan, head gasket) than stock Subaru engines, reducing leaks.

3. **Better Fuel Economy (In Some Cases)**

- The **FB36** can achieve **better MPG than a turbocharged EJ257** in stock or lightly modified form, especially in naturally aspirated setups.

- The **EJ257** sees a **fuel economy drop** when heavily modified (big turbo, aggressive tuning), but a **stock or mildly tuned EJ257** can still outperform a stock FB engine.

4. **Compatibility and Ease of Installation**

- The **mounts and transmission (5-speed manual or 4-speed auto)** are **direct drop-ins** for most Subaru models (WRX, STI, Legacy, Outback, Forester), requiring minimal modifications.

- **No major drivetrain changes** are needed (same bellhousing patterns for manual transmissions, though some STI builds may require a **custom adapter** for the 5MT).

- **Aftermarket support** is strong clutches, flywheels, and supporting components (e.g., **Dana 44/60 diffs, subframes**) are widely available.

5. **Better Throttle Response and Drivability**

- Both engines **rev higher** than stock FB engines (EJ257: ** 6,000 RPM redline**, FB36: ** 7,000 RPM**), making them more engaging.

- The **FB36** has a **smoother power delivery** due to its NA design, while the **EJ257** benefits from **turbo spool-up** for quick acceleration.

- **No turbo lag** (if properly tuned) with the EJ257, making it feel more responsive than stock.

6. **Resale Value and Enthusiast Appeal**

- A **well-built EJ257 or FB36 swap** increases a Subaru s **resale value** among performance enthusiasts.

- These engines are **popular in tuning communities**, meaning **parts, mods, and support** are widely available.

7. **Reduced Risk of Catastrophic Failure (vs. Stock FB Engines)**

- The **FB20/FB25 engines** are known for **rod bearing failures, oil leaks, and head gasket issues** common in high-mileage or abused stock engines.

- The **EJ257 and FB36** are **more robust**, especially with **stock or lightly modified builds**, reducing the risk of sudden engine failure.

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### **Cons**

1. **Higher Upfront Cost**

- The **engine/transmission/mount bundle (TU000958A240403)** typically costs **$3,500 $6,000 **, depending on source (JDM, US, or aftermarket).

- **Transmission rebuild** (if not new) **$1,000 $2,500**

- **Clutch/flywheel** **$500 $1,500** (performance clutches like **Dymag or Sachs** are expensive)

- **Supporting mods** (exhaust, intake, fuel system, ECU flash) **$1,000 $3,000 **

- **Labor** (if not DIY) **$1,000 $3,000 ** for installation

2. **Potential Reliability Issues (If Not Properly Maintained)**

- **Oil control issues** (oil leaks from **valve cover, oil pan, or rear main seal**) are common if not properly sealed.

- **Rod bearing wear** can occur if **oil pressure is low** (due to worn lifters or oil pump failure).

- **Turbo failure** is possible if the **turbo is not upgraded** for high power (stock turbos fail at ** 300 HP**).

- **Head gasket failures** can occur if **overheating** is an issue (common in high-mileage or poorly cooled engines).

- **Rod bearing wear** is less common but still possible with **poor maintenance**.

- **Less power potential** than the EJ257 unless heavily modified (supercharger, forced induction).

3. **Transmission Limitations**

- The **5-speed manual transmission** (common in EJ257 swaps) is **not as refined as the stock 6-speed** (in STI builds), with **softer shifts and less precision**.

- The **4-speed automatic** (common in FB36 swaps) is **less durable** than the **6-speed STI auto** and may require **early rebuilds** if pushed hard.

- **Clutch wear** is accelerated in **high-power builds**, requiring frequent replacements.

4. **Compatibility Issues with Some Subaru Models**

- **STI builds** may need **custom bellhousing adapters** for the **5MT** (since the stock STI 6-speed is not a direct drop-in).

- **Some Legacy/Outback models** may require **subframe modifications** if using a **Dana 44/60 diff**, affecting ride quality.

- **Electrical compatibility** can be an issue **ECU flashing or aftermarket tuning** is often required for proper operation.

5. **Maintenance Requirements**

- **EJ257:** **Oil changes every 3,000 5,000 miles** (due to turbo stress), **valve adjustments**, and **turbo inspections**.

- **FB36:** **Head gasket checks**, **rod bearing inspections**, and **cooling system maintenance** (overheating is a common failure mode).

- **Aftermarket parts** (e.g., **custom oil pans, upgraded turbos**) can be **expensive** if the engine is heavily modified.

6. **Potential Drivetrain Stress**

- **Differential failure** (stock Dana 30s can t handle **300 HP** without reinforcement).

- **Subframe cracks** (common in high-torque builds).

- **Transmission strain** (especially in manual builds with **high clutch engagement**).

- **Dana 44/60 differentials**

- **Subframe connectors**

- **Upgraded driveshafts**

7. **Learning Curve for Installation**

- **Removing the old engine** (can be tricky due to **exhaust manifold, oil pan, and wiring harness**).

- **Reinstalling the new engine** (requires **proper torque specs, gasket sealing, and alignment**).

- **Trans

Details:

New The engine motor mount is effectively reduce the vibration and buffering of during operation. Product Dimension: Material: Iron Color: Black, Silver Tone Positions: Front, Rear, Left, Right Compatibility: OE Number:41022AJ000/41022AG10A9E/41022AJ21Bx2 for Subaru Legacy 2.5L 3.6L 2013 2014 Outback This is non-OEM product, accessory ONLY. Engine Motor Mount made of metal and rubber, The rubber composition on the engine mount can effectively eliminate these vibrations prevent them from being transmitted into car, thus improving comfort driving.

specifications engimou:

• for models: Legacy
• for makes: Subaru
• brand: Partuto
• mpn: Tu000958a240403
• mounting style: Bolt-on
• type: Engine Mount Kit
• oe/oem part number: 41022aj000/41022ag10a9e/41022aj21bx2
• items included: Engine Mount
• material: Steel
• universal fitment: No
• placement on vehicle: Front, Rear

offer engimou:

• availability: In Stock
• sold: 0
• quantity: 1
• best offers: True
• started: April 19, 2026
• options: Ship-to-home

payments engimou:

• money order
• other
• wallet: Paypal
• credit card: Visa

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: New

shipping engimou:

• cost: $12.04
• carrier: USPS
• type: Calculated
• transit: 5-11 Days
• service: USPS Ground Advantage
• class: Standard

returns engimou:

• policy: No Returns

seller engimou:

• # reviews: 94
• rating: 100.0%
• city: Santa Monica, California