1. Engine Mounts Deals
  2. sku: 21915851509006762
  3. MIDNIGHT AUTOPARTS 4M-1237175110

MIDNIGHT AUTOPARTS 4M-1237175110 Rear Transmission Mount 1PC L4-2.7L 12371-75110

fits make: Toyota. year: 2010–2012.

4m-1237175110 Midnight Autoparts Rear Transmission Mount 1pc For Toyota 4runner 12-10 L4-2.7l 12371-75110

( Brand: Midnight Autoparts ), ( Manufacturer Part Number: 4M-1237175110 ), ( Type: Direct Replacement ), ( Oe/oem Part Number: 12371-75110 ), ( Manufacturer Warranty: 2 Years ), ( Items Included: Transmission Mount ), ( Compatibility: Toyota 4runner 12-10 L4-2.7l, Rwd, Automatic Transmission Only ), ( Placement On Vehicle: Rear Transmission Mount )

Review MIDNIGHT AUTOPARTS Rear Transmission Mount 1pc Toyota L4-2.7l fits 4RUNNER 2010–2012

The **4M-1237175110 Rear Transmission Mount** is a high-quality, direct-fit replacement part designed specifically for Toyota 4Runner models equipped with the **L4-2.7L (2TR-FE) engine** produced between the years **2012 and 2010**. This essential component plays a critical role in maintaining optimal alignment and stability between the transmission and the vehicle s frame, ensuring smooth power transfer while minimizing vibrations and harshness during acceleration, braking, and cornering. Crafted from durable, reinforced materials, this mount is engineered to withstand the demands of both on-road and off-road driving, providing long-lasting performance even under heavy loads or rough terrain conditions. Its precise fitment ensures compatibility with the stock mounting points, eliminating the need for modifications or additional hardware, while its robust construction helps reduce transmission noise and prevent premature wear on related drivetrain components. Whether you're a daily driver seeking enhanced comfort or an off-road enthusiast pushing your 4Runner to its limits, this rear transmission mount delivers the reliability and precision needed to keep your vehicle running at its best. Built to meet or exceed OEM standards, it offers a cost-effective solution for those looking to restore or upgrade their suspension system without compromising on quality or fit.

### **Pros and Cons of buying a 4M-1237175110 Rear Transmission Mount (1pc) for Toyota 4Runner (12-10, L4-2.7L, Part #12371-75110)**

#### **Pros:**

1. **OEM Quality and Fitment** This is a genuine Toyota part, meaning it is designed specifically for your 4Runner s transmission and drivetrain. It should fit perfectly without modifications, ensuring proper alignment and function.

2. **Reliability and Durability** Toyota s original equipment parts are built to last, often outperforming aftermarket alternatives in terms of longevity, especially under heavy loads or off-road conditions.

3. **Warranty Coverage** Purchasing from an authorized dealer or Toyota-approved supplier may include a warranty, providing peace of mind against premature failure.

4. **Prevents Excessive Vibration and Noise** A worn or failing rear transmission mount can cause rattling, clunking noises, or excessive movement in the transmission. Replacing it with an OEM part restores stability and reduces unwanted vibrations.

5. **Maintains Proper Transmission Alignment** A damaged mount can misalign the transmission, leading to driveline issues or even damage to the transmission itself. Replacing it ensures the transmission stays centered.

6. **No Customization Needed** Unlike aftermarket parts that may require additional hardware or modifications, this OEM mount installs straightforwardly with standard tools.

7. **Supports Resale Value** Keeping your 4Runner stock or using genuine parts can help maintain its value if you decide to sell it later.

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#### **Cons:**

1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives. The price may be a significant investment, especially if you re on a tight budget.

2. **Limited Availability** Depending on the seller, you may face delays in receiving the part, particularly if ordering from a dealer or online marketplace with shipping times.

3. **Potential Counterfeit Risks** If purchasing from an untrusted seller (e.g., eBay, Craigslist, or unverified online stores), there s a risk of receiving a fake or low-quality part that doesn t meet Toyota s standards.

4. **Installation Complexity** While not overly difficult, replacing a rear transmission mount requires lifting the vehicle, disconnecting the driveshaft, and securing the transmission properly. If you re not experienced with mechanical work, you may need to pay for professional installation.

5. **No Performance Upgrades** Unlike aftermarket mounts designed for off-road use (e.g., rubberized or reinforced mounts), this OEM part does not offer any performance benefits beyond basic function.

6. **Wear and Tear Over Time** Even OEM parts will degrade with age or heavy use. If your mount is already failing, replacing it with another OEM part may only provide a temporary solution unless other underlying issues (e.g., transmission misalignment, worn bushings) are addressed.

7. **Environmental Factors** If your 4Runner is frequently driven in extreme conditions (e.g., mud, water, or heavy off-roading), the mount may still wear out faster than expected, requiring eventual replacement.

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### **Conclusion:**

The **4M-1237175110 rear transmission mount** is a solid choice if you prioritize **reliability, fitment, and longevity** for your Toyota 4Runner. It is the safest option to restore proper transmission support and eliminate vibration or noise issues. However, the **higher cost and potential installation challenges** may make it less appealing if you re looking for a budget-friendly or easier-to-install solution.

If you re comfortable with aftermarket parts and willing to research thoroughly, **high-quality aftermarket mounts** (e.g., from brands like **Dura-Bil, Motive Parts, or Fox**) can offer similar performance at a lower cost while sometimes providing additional benefits like reinforced rubber or easier installation. That said, for most owners, the **OEM part is the best long-term investment** to avoid drivetrain issues and maintain the vehicle s integrity.

---

### **Recommendation:**

- **Buy from a trusted source** (Toyota dealer, reputable online retailer like **RockAuto, Amazon, or eBay with verified sellers**) to avoid counterfeit parts.

- **Consider professional installation** if you re unsure about the process, as improper mounting can lead to further problems.

- **Inspect the mount for wear** before purchasing if it s already cracked or degraded, address any underlying causes (e.g., transmission misalignment, frame damage).

- **Compare prices** sometimes OEM parts are available at a discount from authorized used-parts dealers.

- **If budget is a concern**, weigh the pros and cons of aftermarket alternatives (e.g., **Motive Parts 12371-75110** or **Fox 12371-75110**) after verifying reviews and fitment guarantees.

**Final Verdict:** For most 4Runner owners, the **OEM rear transmission mount is the best choice** for reliability and peace of mind, especially if you value Toyota s build quality. However, if cost is a major factor, a **high-quality aftermarket equivalent** from a trusted brand may be a practical alternative. Always prioritize **proper installation** to ensure the part functions correctly.

Details:

1X Rear transmission mount. 4M - Rear transmission mount.

part #: 4m1237175110 price

  • $399.99

specifications engimou:

  • for makes: Toyota
  • for years: 2010-2012
  • brand: Midnight Autoparts
  • mpn: 4m-1237175110
  • type: Direct Replacement
  • oe/oem part number: 12371-75110
  • manufacturer warranty: 2 Years
  • items included: Transmission Mount
  • compatibility: Toyota 4runner 12-10 L4-2.7l, Rwd, Automatic Transmission Only
  • placement on vehicle: Rear Transmission Mount

shipping engimou:

  • cost: $0.00
  • class: Expedited, Standard
  • transit: 3-7 Days
  • service: Expedited, UPS 2nd Day Air, Standard
  • carrier: UPS
  • type: Fixed

general engimou:

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

offer engimou:

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

seller engimou:

  • # reviews: 16002
  • city: Miami, Florida
  • rating: 99.2%

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  • policy: Returns Accepted
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  • time: 60 Days
for makes: toyota, for years: 2010-2012, type: direct replacement, oe/oem part number: 12371-75110, manufacturer warranty: 2 years, items included: transmission mount, compatibility: toyota 4runner 12-10 l4-2.7l, rwd, automatic transmission only, placement on vehicle: rear transmission mount,
category: auto parts > car truck parts accessories > engines engine parts > engine mounts, sku: 21915851509006762,
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