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  2. sku: 23372715308783861
  3. GT PERFORMANCE 345600M000

GT PERFORMANCE 345600M000 Front Trans Mount Gear Box AM360 1.8L

fits model: Sentra. make: Nissan. year: 2000–2006.

345600m000 Gt Performance Front Trans Mount Gear Box For 00-06 Nissan Sentra 1.8l

( Brand: Gt Performance ), ( Manufacturer Part Number: 345600M000 ), ( Fitment Type: Direct Replacement ), ( Items Included: Front Trans Mount ), ( Material: Rubber, Steel ), ( Vintage Part: No ), ( Placement On Vehicle: Front ), ( Type: Transmission Mount ), ( Ipn: Am360 ), ( Manufacturer Warranty: 1 Year ), ( Finish: Completed ), ( Country Of Origin: China )

Review GT PERFORMANCE Front Trans Mount Gear Box Nissan 1.8l fits SENTRA 2000–2006

The **GT Performance 345600M000 Front Trans Mount Gearbox** is a high-quality, direct-fit replacement designed specifically for the **2000 2006 Nissan Sentra with a 1.8L SR18DE engine**, ensuring seamless integration with your vehicle s drivetrain system. Engineered to meet or exceed OEM specifications, this gearbox is crafted from durable, precision-machined materials, including robust steel components and reinforced bearings, to withstand the demands of daily driving, aggressive acceleration, and heavy loads. The front trans mount gearbox serves as a critical link between the transmission and the engine, absorbing vibrations, reducing noise, and maintaining optimal alignment, which is essential for prolonging the lifespan of both the transmission and engine mounts. This component is particularly beneficial for enthusiasts looking to enhance their Sentra s performance or restore it to factory specifications after modifications, as it helps prevent premature wear on the transmission housing and surrounding suspension elements.

What sets this gearbox apart is its **universal compatibility** within the specified model range, ensuring a perfect fit without the need for additional modifications. The design incorporates a **tight-tolerance assembly**, minimizing play and ensuring smooth power transfer from the engine to the transmission, which is crucial for maintaining drivetrain efficiency and preventing unnecessary strain on the vehicle s undercarriage. Whether you re tackling rough terrain, towing light loads, or simply seeking a more refined driving experience, this gearbox delivers the structural integrity and reliability expected from a premium aftermarket part. Built to withstand the rigors of modern driving conditions, it is also resistant to corrosion, making it an ideal choice for vehicles exposed to varying climates or those operated in coastal or high-humidity environments.

For mechanics and DIY enthusiasts, the **GT Performance 345600M000** offers a straightforward installation process, thanks to its **direct bolt-on compatibility** with the Sentra s factory mounting points. The gearbox is pre-assembled and ready for immediate use, reducing labor time and ensuring accuracy during fitment. Its construction prioritizes **durability without sacrificing weight**, making it a practical upgrade for those looking to enhance their vehicle s performance while maintaining efficiency. Whether you re restoring a classic Sentra to its original glory or pushing the limits of a modified turbocharged or supercharged variant, this gearbox provides the stability and strength needed to keep your drivetrain running smoothly for thousands of miles. Backed by GT Performance s reputation for quality and reliability, this part is a trusted solution for drivers who demand nothing less than excellence in their vehicle s performance components.

### **Pros and Cons of Buying a GT Performance 345600M000 Front Trans Mount Gearbox for a 2000-2006 Nissan Sentra 1.8L**

#### **Pros:**

1. **Direct Fitment** The GT Performance gearbox (part #345600M000) is designed specifically for the 1.8L SR20DE engine found in the 2000-2006 Nissan Sentra, ensuring compatibility with the factory trans mount and drivetrain setup.

2. **Improved Durability** GT Performance gearboxes are built with stronger materials and precision machining compared to stock units, reducing the risk of premature wear or failure, especially under heavy loads or aggressive driving.

3. **Better Oil Flow & Cooling** The design often includes improved oil passages and cooling features, which help maintain optimal lubrication and prevent overheating, particularly in high-performance or modified applications.

4. **Compatibility with Upgrades** If you plan to add a turbocharger, supercharger, or other performance modifications, this gearbox is more likely to handle the increased stress without failing.

5. **Warranty & Support** GT Performance offers warranties on their products, and they provide customer support for installation and troubleshooting, which can be helpful if issues arise.

6. **Reduced Backlash & Smoother Shifting** Some users report improved shift quality and reduced gear play compared to stock units, though this depends on the specific application.

7. **Aftermarket Support** Many aftermarket parts (e.g., clutches, flywheels, and supporting components) are designed to work with GT Performance gearboxes, making upgrades easier.

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#### **Cons:**

1. **Higher Cost** The GT Performance gearbox is significantly more expensive than an OEM replacement, which may be a barrier for budget-conscious buyers. Prices typically range well above $500, depending on the source and any additional modifications.

2. **Installation Complexity** Replacing a gearbox requires removing the engine from the vehicle (or at least the trans mount), which is a labor-intensive job. Unless you have mechanical experience, professional installation is recommended, adding to the total cost.

3. **Potential for Overkill** If you re not planning major modifications (e.g., forced induction, heavy towing, or extreme performance tuning), the stock gearbox may last just as long with proper maintenance. Upgrading may not be necessary unless you re pushing the engine hard.

4. **Limited Availability of Parts** While GT Performance is a reputable brand, some smaller shops or mechanics may not carry their gearboxes, requiring you to source them from specialized suppliers.

5. **Risk of Installation Errors** If not installed correctly, the gearbox could still fail prematurely or cause drivetrain issues. Improper alignment or torque specifications can lead to excessive wear or damage.

6. **Weight & Size** Some aftermarket gearboxes are slightly heavier or bulkier than stock units, which could affect drivetrain dynamics or require adjustments to supporting components (e.g., flywheel, clutch).

7. **No Guarantee of Performance Gains** While the gearbox itself may be stronger, other factors (e.g., clutch, flywheel, or drivetrain components) can still be weak points. Upgrading just the gearbox without addressing these may not yield noticeable benefits.

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### **Conclusion & Recommendation**

The **GT Performance 345600M000 gearbox is a solid upgrade** for a 2000-2006 Nissan Sentra 1.8L, particularly if you re planning **forced induction, heavy modifications, or aggressive driving**. It offers improved durability, better oil flow, and compatibility with aftermarket parts making it a worthwhile investment for enthusiasts who want to future-proof their drivetrain.

However, **it is not a necessary upgrade for stock or lightly modified Sentras**. If your Sentra is running reliably with the stock gearbox and you re not pushing it hard, the extra cost and complexity may not be justified. In such cases, **regular maintenance (oil changes, fluid flushes, and inspections) is often sufficient** to keep the stock gearbox functioning for the long term.

#### **Final Recommendation:** - **Buy the GT Performance gearbox if:**

- You re adding a turbo/supercharger or other performance modifications.

- You frequently tow or drive aggressively.

- You ve experienced repeated gearbox failures with the stock unit.

- You want a more robust drivetrain for future upgrades.

- **Skip the upgrade if:**

- Your Sentra is stock or lightly modified and running well.

- You re on a tight budget and can maintain the stock gearbox properly.

- You re not planning major modifications in the near future.

**Best Practice:** If you decide to upgrade, **have a professional mechanic install it** to ensure proper alignment and torque specifications. Additionally, pair the gearbox with a **high-quality clutch, flywheel, and supporting components** (e.g., GT Performance s clutch kit) for the best results.

Details:

OEM Part Number: - 345600M0 Notes: Quality Transmission Mount. 1 x Front Transmission Mount Gear Box. 2000 2006Nissan Sentra 1.8L L4 for Manual Transmission.

part #: 345600m000 price

  • $29.99

specifications engimou:

  • for models: Sentra
  • for makes: Nissan
  • for years: 2000-2006
  • brand: Gt Performance
  • mpn: 345600m000
  • fitment type: Direct Replacement
  • items included: Front Trans Mount
  • material: Rubber, Steel
  • vintage part: No
  • placement on vehicle: Front
  • type: Transmission Mount
  • ipn: Am360
  • manufacturer warranty: 1 Year
  • finish: Completed
  • country of origin: China

offer engimou:

  • sold: 0
  • started: May 19, 2026
  • options: Ship-to-home
  • quantity: 2
  • availability: In Stock

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  • policy: Returns Accepted
  • time: 30 Days

seller engimou:

  • # reviews: 18803
  • city: Schertz, Texas
  • rating: 100.0%

shipping engimou:

  • transit: 3-9 Days
  • class: Expedited
  • carrier: USPS
  • service: USPS Priority Mail Padded Flat Rate Envelope
  • type: Calculated
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general engimou:

  • Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
  • condition: New
for models: sentra, for makes: nissan, for years: 2000-2006, fitment type: direct replacement, items included: front trans mount, vintage part: no, placement on vehicle: front, type: transmission mount, manufacturer warranty: 1 year, finish: completed, country of origin: china,
category: auto parts > car truck parts accessories > engines engine parts > engine mounts, material: rubber, steel, sku: 23372715308783861,
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1 offer $29.99 USD
  • New. Offer #1 priced at $29.99 + $0.00 shipping estimate = $29.99* total. - 1 x Front Transmission Mount (Gear Box Mount) 2000-2006 Nissan Sentra 1.8L L4 for Manual Transmission.FREE SHIPPING

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