1. Engine Mounts Deals
  2. sku: 21924365242347751
  3. TOYOTA 12371-17010

TOYOTA 12371-17010 Gearbox Mounting Insulator HZJ75 HZJ70 HZJ73 HZJ77

fits model: Fj75. make: Toyota.

12371-17010 Toyota Genuine Fj75 Hzj75 Hzj70 Hzj73 Hzj77 Gearbox Mounting Insulator Oem

( Manufacturer Part Number: 12371-17010 ), ( Mounting Style: Screw-on ), ( Description: Insulator Engine Mounting Rear Gearbox ), ( Items Included: Rear Mount ), ( Genuine Oem: Yes ), ( Material: Rubber, Steel ), ( Placement On Vehicle: Lower, Rear ), ( Type: Transmission Mounting ), ( Oe/oem Part Number: 12371-12010, 1237117010 ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: No ), ( Country Of Origin: Japan )

Review TOYOTA Genuine Gearbox Mounting Insulator Oem fits FJ75

The **Toyota 12371-17010 Gearbox Mounting Insulator** is a precision-engineered rubber isolator designed exclusively for Toyota s **FJ75, HZJ75, HZJ70, HZJ73, and HZJ77** series vehicles, ensuring optimal vibration damping and structural stability in the drivetrain system. Crafted from high-grade synthetic rubber compounds, this mounting insulator is engineered to absorb and dissipate road-induced shocks, reducing wear on the transmission and frame while minimizing noise and harshness during operation. Its robust construction features a durable, heat-resistant design that maintains flexibility and resilience under extreme conditions, including off-road use, heavy loads, and prolonged exposure to fluctuating temperatures. The insulator s precise fitment is tailored to Toyota s specific mounting points, guaranteeing a secure and snug installation that prevents excessive movement while allowing the necessary articulation for smooth power transfer. Whether used in original equipment applications or as a replacement for worn or damaged stock components, this insulator plays a critical role in preserving the longevity of the gearbox and enhancing the overall driving experience by mitigating vibrations that could otherwise compromise ride comfort and drivetrain integrity. Ideal for both professional mechanics and DIY enthusiasts, the **12371-17010** is a reliable, long-lasting solution for maintaining the performance and reliability of Toyota s rugged 4x4 lineup.

### **Pros and Cons of buying a Toyota 12371-17010 Gearbox Mounting Insulator (FJ75/HZJ75/HZJ70/HZJ73/HZJ77)**

#### **Pros:**

1. **Compatibility** This part is designed specifically for Toyota s FJ75, HZJ75, HZJ70, HZJ73, and HZJ77 series vehicles, ensuring a proper fit without modification.

2. **Durability** Made from high-quality materials (likely rubber or polyurethane with reinforced steel inserts), it is built to withstand heavy off-road use, reducing transmission noise and vibration.

3. **Noise and Vibration Reduction** A well-fitted insulator helps dampen engine and transmission vibrations, improving ride comfort and reducing wear on the transmission mounts.

4. **Prevents Excessive Wear** By maintaining proper alignment between the gearbox and chassis, it helps extend the lifespan of both the transmission and engine mounts.

5. **Easy Installation** Designed for straightforward replacement, often requiring only basic tools and minimal disassembly.

6. **Cost-Effective Solution** Compared to full transmission or chassis repairs, replacing a worn insulator is a relatively inexpensive fix.

7. **Aftermarket Availability** Widely stocked by Toyota specialists and aftermarket suppliers, making it easy to source.

#### **Cons:**

1. **Potential Counterfeit Parts** Some sellers may offer low-quality replicas that fail prematurely, leading to further damage or noise issues.

2. **Wear Over Time** Even high-quality insulators degrade with age, especially under extreme off-road conditions, requiring eventual replacement.

3. **Installation Challenges** If the vehicle has been modified (e.g., lifted, suspension changes), the insulator may not fit as intended, leading to improper alignment.

4. **Limited Lifespan Under Heavy Use** In extreme off-roading (rock crawling, heavy loads), the insulator may wear out faster than in standard driving conditions.

5. **Requires Periodic Inspection** Like any suspension component, it should be checked during routine maintenance to prevent sudden failure.

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### **Conclusion**

The **Toyota 12371-17010 gearbox mounting insulator** is a **necessary and cost-effective part** for maintaining proper transmission alignment and reducing noise/vibration in FJ75 and HZJ series vehicles. Its **durability and compatibility** make it a reliable choice for most owners, but **quality and installation conditions** play critical roles in its performance.

If the insulator is **cracked, deformed, or excessively worn**, replacement is strongly recommended to prevent transmission or engine mount damage. Always **source from reputable suppliers** (Toyota dealerships, trusted aftermarket brands) to avoid counterfeit parts.

---

### **Recommendation**

- **Buy from a trusted source** (Toyota dealer, known aftermarket supplier, or a reputable online retailer with positive reviews).

- **Inspect the part upon arrival** Ensure it is not cracked, hardened, or improperly molded.

- **Follow proper installation procedures** Refer to a service manual or consult a mechanic if unsure.

- **Replace if damaged** A failing insulator can lead to transmission misalignment, increased wear, and potential failure.

- **Consider a premium brand** (e.g., **Genuine Toyota, ACDelco, or reputable aftermarket brands**) if budget allows, as they often offer better longevity.

**Final Verdict:** This part is **worth the investment** for maintaining vehicle integrity, especially in high-mileage or off-road applications. Regular inspection and timely replacement will save money on costly repairs down the line.

Details:

This Genuine Part has Original Toyota Lexus Label. Item Details. Item has Never been Used or Installed. Mounting Rear, Manual Transmission.

Brand New Item in Original Factory Packing. Land Cruiser HZJ70 - Manual Transmission. Land Cruiser HZJ75 - Manual Transmission. Toyota Part Number - 12371-17010.

Brand New 100% Genuine Toyota Factory Part. Important Note.

part #: 1237117010 price

  • $78.00

specifications engimou:

  • for models: Fj75
  • for makes: Toyota
  • mpn: 12371-17010
  • mounting style: Screw-on
  • description: Insulator Engine Mounting Rear Gearbox
  • items included: Rear Mount
  • genuine oem: Yes
  • material: Rubber, Steel
  • placement on vehicle: Lower, Rear
  • type: Transmission Mounting
  • oe/oem part number: 12371-12010, 1237117010
  • manufacturer warranty: 1 Year
  • universal fitment: No
  • country of origin: Japan

payments engimou:

  • wallet: Apple-pay
  • other
  • credit card: Visa

returns engimou:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

offer engimou:

  • quantity: 1
  • started: March 11, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

seller engimou:

  • city: Sanborn, New York
  • rating: 99.5%
  • # reviews: 2320

shipping engimou:

  • class: Standard
  • transit: 3-8 Days
  • type: Fixed
  • service: Standard
  • cost: $15.00

general engimou:

  • Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
  • condition: New
for models: fj75, for makes: toyota, mounting style: screw-on, description: insulator engine mounting rear gearbox, items included: rear mount, genuine oem: yes, placement on vehicle: lower, rear, type: transmission mounting, oe/oem part number: 12371-12010, 1237117010, manufacturer warranty: 1 year, universal fitment: no, country of origin: japan,
category: auto parts > car truck parts accessories > engines engine parts > engine mounts, material: rubber, steel, sku: 21924365242347751,
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