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  2. sku: 22446949287648983
  3. MEDALLION AUTO 186475

MEDALLION AUTO PARTS 186475 Motor Transmission Mounts Kit 3.1L V6 6PC

fits model: Prix, Grand. make: Pontiac. year: 1994–2003.

186475 Medallion Auto Parts For 1994-2003 Pontiac Grand Prix 3.1l V6 Motor And Transmission Mounts 6pc Kit

( Brand: Medallion Auto Parts ), ( Manufacturer Part Number: 186475 ), ( Items Included: Engine Mount, Front Mount, Rear Mount ), ( Type: Engine Mount Kit ), ( Placement On Vehicle: Left, Right, Front, Rear ), ( Manufacturer Warranty: Lifetime ), ( Performance Part: No ), ( Mounting Style: Bolt-on, Clip-on, Screw-on )

Review MEDALLION AUTO PARTS Pontiac 3.1l V6 Motor And Transmission Mounts 6pc Kit fits PRIX GRAND 1994–2003

The **Medallion Auto 186475 Transmission Mount Kit** is a meticulously engineered, high-performance replacement solution designed exclusively for the **1994 2003 Pontiac Prix** equipped with the **3.1L V6 engine**, ensuring optimal drivetrain stability, reduced vibration, and enhanced longevity for your transmission mounts. This **6-piece kit** features a premium selection of heavy-duty rubber and reinforced steel components, engineered to withstand the rigors of daily driving, towing, or aggressive acceleration while maintaining precise alignment between the transmission and engine bay. Each mount is precision-molded to match the original factory specifications, eliminating the flex and slop that often plague aftermarket alternatives, thereby reducing unnecessary stress on the transmission, engine mounts, and subframe. The kit includes **two front transmission mounts**, **two rear transmission mounts**, and **two cross-member mounts**, all of which are designed to absorb road-induced vibrations and prevent premature wear on critical drivetrain components. Whether you're restoring a classic Prix for show or upgrading an everyday driver for improved ride quality and drivetrain integrity, this kit delivers a seamless, factory-like fitment with minimal installation effort. Built to last, Medallion Auto s components are backed by rigorous quality control and durability testing, ensuring that your transmission remains securely positioned for thousands of miles without the need for frequent adjustments or replacements. Perfect for mechanics, DIY enthusiasts, and performance-minded drivers, this kit is the ideal choice for those seeking a reliable, long-lasting solution to transmission mount failure a common yet often overlooked issue that can lead to costly repairs if ignored.

Buying a **medallion auto 186475 6-piece transmission mount kit** for a **1994-2003 Pontiac Prix with a 3.1L V6 and automatic transmission** can address common drivetrain issues, but it also comes with trade-offs. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

---

### **Pros of Purchasing This Kit**

1. **Addresses a Common Weakness**

The 3.1L V6 in the Pontiac Prix (and other GM vehicles like the Grand Am, Sunfire, and Lumina) is known for **transmission mount failures**, particularly the **primary (front) and rear transmission mounts**. These mounts degrade over time due to heat, vibration, and age, leading to **clunking noises, excessive play in the transmission, and potential drivetrain misalignment**. Replacing them prevents further damage to the transmission, torque converter, or engine mounts.

2. **Prevents Costlier Repairs**

If the mounts fail completely, the **transmission may shift roughly, or the engine could develop alignment issues**, leading to **engine mounts or subframe damage**. Replacing the mounts proactively is far cheaper than dealing with **transmission failure, converter leaks, or engine misalignment**, which can cost **$1,500 $3,000 ** to repair.

3. **Improves Drivability**

Worn mounts cause **excessive movement in the transmission**, leading to **rough shifting, hesitation, or a "clunking" noise** when accelerating or turning. New mounts **eliminate these symptoms**, restoring a smoother ride and preventing further wear on the transmission internals.

4. **Easy and Affordable Replacement**

This is a **relatively straightforward DIY job** for those with basic mechanical skills. The kit includes **all necessary parts (front mount, rear mount, and often hardware)**, and labor costs (if done professionally) are typically **$100 $200**, making it a cost-effective fix compared to other drivetrain issues.

5. **Compatibility and Availability**

The **Medallion Auto 186475 kit is specifically designed for the 3.1L V6 applications**, ensuring a proper fit. It is widely available from **automotive parts suppliers (RockAuto, Amazon, eBay, local auto parts stores)** and is a **well-regarded brand** known for quality.

6. **Extends Transmission Lifespan**

Since the mounts support the **transmission s weight and movement**, replacing them helps **prevent undue stress on the transmission case, converter, and input shaft**, potentially adding **thousands of miles** to the transmission s life.

---

### **Cons of Purchasing This Kit**

1. **Symptoms May Not Be Transmission Mounts**

Not all **clunking noises or drivetrain issues** are caused by bad transmission mounts. Other potential culprits include:

- **Worn engine mounts** (especially the rear mount, which can cause similar symptoms).

- **Subframe bushings** (if the vehicle has a rear-wheel-drive or front-wheel-drive subframe).

- **Loose or broken torque converter bolts** (can cause a "clunk" when accelerating).

- **Worn driveshaft yokes or CV joints** (if the vehicle has a front-wheel-drive drivetrain).

- **Transmission fluid issues** (low or dirty fluid can cause shifting problems).

Before purchasing, **diagnose the exact cause** to avoid wasting money on the wrong part.

2. **DIY Difficulty for Some**

While the job is **not extremely complex**, it requires:

- **Jacking and supporting the transmission** (may need a transmission jack or a helper).

- **Removing the transmission pan or converter bolts** (if the mounts are attached to the converter housing).

- **Proper alignment** when reinstalling (misalignment can cause the same issues to return).

If the vehicle is **heavily modified or has rusted components**, the job may be more difficult. Some owners may prefer a **professional mechanic** to ensure proper installation.

3. **Potential for Counterfeit or Low-Quality Parts**

Since this is a **common replacement part**, there is a risk of **counterfeit or aftermarket knockoffs** if purchasing from untrusted sellers. **Medallion Auto is a reputable brand**, but always:

- **Check the packaging** for authenticity.

- **Verify the part number** before ordering.

- **Buy from authorized dealers** (RockAuto, Amazon, or local auto parts stores with good reviews).

4. **May Not Fix All Noise Issues**

If the **clunking noise is engine-related** (e.g., **rear engine mount failure**), replacing just the transmission mounts **will not solve the problem**. A **full drivetrain inspection** may be needed, which could require additional parts (e.g., **engine mounts, subframe bushings**).

5. **Time-Consuming for Busy Owners**

The installation typically takes **2 4 hours**, depending on experience. If the owner is **not mechanically inclined**, they may need to **hire a mechanic**, adding to the cost.

6. **Possible Need for Additional Repairs**

If the mounts have been failing for a long time, the **transmission fluid may be contaminated** or the **torque converter could be damaged**. In such cases, **fluid replacement and converter inspection** may be necessary alongside the mount replacement.

---

### **Conclusion**

Buying the **Medallion Auto 186475 6-piece transmission mount kit** for a **1994-2003 Pontiac Prix with a 3.1L V6 and automatic transmission** is a **wise investment** if:

- The **symptoms (clunking, rough shifting, excessive movement)** are confirmed to be caused by **failed transmission mounts**.

- The owner is **prepared to either DIY the installation or pay for professional labor**.

- The **transmission fluid is fresh and the converter is in good condition** (or will be replaced as part of the repair).

However, if the **noise is not mount-related** or if the vehicle has **other drivetrain issues**, the money may be better spent on a **full diagnosis** before purchasing parts.

---

### **Recommendation**

1. **Diagnose the Problem First**

- **Listen for the noise** (clunking when accelerating, turning, or over bumps).

- **Check for excessive movement** in the transmission by **jacking the vehicle and wiggling the transmission**.

- **Inspect the mounts visually** for cracks, leaks, or excessive wear.

- If unsure, **consult a mechanic** to rule out **engine mounts, subframe bushings, or driveshaft issues**.

2. **Proceed with the Purchase if Confirmed**

- Buy the **Medallion Auto 186475 kit** from a **reputable source** (RockAuto, Amazon, or a trusted local parts store).

- **Replace the transmission fluid** at the same time (if it s old or dirty).

- **Inspect the torque converter bolts** for looseness or damage.

3. **Install Properly**

- If **DIYing**, follow a **step-by-step guide** (e.g., from **Chilton Manual, YouTube tutorials, or a trusted mechanic s advice**).

- **Ensure proper alignment** when reinstalling to avoid recurrence.

- If **not comfortable**, have a mechanic install it for ** $100 $200 in labor**.

4. **Consider Additional Maintenance**

- If the vehicle has **high mileage**, check for **worn subframe bushings or engine mounts** while the transmission is out.

- **Monitor the transmission** for **rough shifting or leaks** in the first **500 1,000 miles** post-installation.

### **Final Verdict**

**Buy the kit if the symptoms match transmission mount failure.** It is a **cost-effective, preventative repair** that can **save thousands in future transmission or drivetrain damage**. However, **always confirm the issue first** to avoid unnecessary expenses. For most **1994-2003 Pontiac Prix owners** experiencing **clunking or drivetrain play**, this is a **recommended fix**.

Details:

For 1994 2003 Pontiac Grand Prix 3.1L V6 Motor Transmission Mounts 6pc Kit: PREMIUM BRAND 100% ALL NEW TORQUE TESTED. You in error or showed up defective. Part must be new, uninstalled, in original box. 2x PART# A2901 Strut Bracket To Radiator Support Left Right.

2000-2005 Chevrolet Monte Carlo 3.4L. 1x PART# A2712HY Transmission Mount. Lifetime Warranty. Merchandise MUST be in new condition.

part #: 186475 price

  • $14.95

specifications engimou:

  • for models: Prix, Grand
  • for makes: Pontiac
  • for years: 1994-2003
  • brand: Medallion Auto Parts
  • mpn: 186475
  • items included: Engine Mount, Front Mount, Rear Mount
  • type: Engine Mount Kit
  • placement on vehicle: Left, Right, Front, Rear
  • manufacturer warranty: Lifetime
  • performance part: No
  • mounting style: Bolt-on, Clip-on, Screw-on

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  • # reviews: 6956
  • city: Port Chester, New York
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  • time: 60 Days
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general engimou:

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

offer engimou:

  • sold: 0
  • options: Ship-to-home
  • started: April 4, 2026
  • availability: In Stock
  • quantity: 10
for models: prix, grand, for makes: pontiac, for years: 1994-2003, items included: engine mount, front mount, rear mount, type: engine mount kit, placement on vehicle: left, right, front, rear, manufacturer warranty: lifetime, performance part: no, mounting style: bolt-on, clip-on, screw-on,
category: auto parts > car truck parts accessories > engines engine parts > engine mounts, sku: 22446949287648983,
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