ANCHOR 300684 Engine Mount Kit

( Brand: Anchor ), ( Manufacturer Part Number: 300684 ), ( Manufacturer Warranty: 1 Year ), ( Type: Engine Mount Kit )

Review ANCHOR Engine Mount Kit

The **Anchor 300684 Engine Mount Kit** is a high-performance, precision-engineered solution designed to enhance the stability, durability, and drivability of vehicles equipped with the GM LS-series engines, including the LS1, LS2, LS3, LS4, and LS6 configurations. This kit is meticulously crafted to replace the factory engine mounts, offering superior strength, vibration dampening, and long-term reliability critical components for maintaining optimal engine alignment and reducing unwanted noise, harshness, and excessive movement during acceleration, braking, or rough road conditions. Constructed from high-grade, reinforced rubber and robust steel components, the mounts are engineered to withstand the intense forces generated by high-performance engines, ensuring they remain resilient under extreme loads, whether in daily driving scenarios or under heavy loads like towing or aggressive driving. The design incorporates a **dual-cone rubber formulation**, which provides exceptional flexibility and shock absorption, effectively isolating engine vibrations from the vehicle s chassis while minimizing metal-to-metal contact that can lead to premature wear. This kit is particularly well-suited for applications where stock mounts have proven inadequate, such as in high-horsepower builds, modified suspension setups, or vehicles subjected to frequent off-road use. Installation is straightforward, requiring only basic tools, and the kit includes all necessary hardware, including mounting brackets, bolts, and washers, ensuring a secure and professional fit. Whether you're aiming to eliminate engine rattle, improve ride comfort, or prepare your vehicle for a more demanding performance profile, the **Anchor 300684 Engine Mount Kit** delivers a robust, long-lasting solution that exceeds OEM standards in both performance and durability.

The **Anchor 300684 Engine Mount Kit** is designed for specific marine engines, particularly those used in outboard and stern drive applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Anchor 300684 Engine Mount Kit**

1. **Compatibility and Fitment**

The kit is engineered for precise installation on compatible engines, reducing the risk of misalignment or improper fit. Anchor is a reputable brand known for producing high-quality marine hardware, ensuring that the mounts are designed to match the engine s mounting points accurately.

2. **Durability and Material Quality**

Anchor products are typically made from high-strength materials such as steel or aluminum, which are resistant to corrosion and wear. This kit is likely built to withstand the harsh conditions of marine environments, including exposure to saltwater, UV rays, and mechanical stress.

3. **Ease of Installation**

The kit includes all necessary components (e.g., bolts, washers, gaskets, and sometimes pre-drilled mounts) to simplify the installation process. Clear instructions are usually provided, making it accessible for both DIY enthusiasts and professionals. This can save time and labor costs compared to custom-fabricated mounts.

4. **Vibration Reduction**

Engine mounts are designed to absorb vibrations and reduce noise, improving the overall comfort and longevity of the engine. A well-fitted mount kit can help prevent excessive wear on the engine and surrounding components, extending the engine s lifespan.

5. **Compatibility with Aftermarket Modifications**

If you ve made modifications to your engine or mounting system (e.g., adding a lift kit or adjusting the tilt angle), this kit may provide a reliable solution to secure the engine in its new position. Anchor s kits are often used in performance or custom builds.

6. **Warranty and Support**

Anchor offers warranties on their products, providing peace of mind in case of defects or failures. Their customer support is generally reliable, offering assistance with installation questions or issues.

7. **Cost-Effective Upgrade**

Compared to custom fabrication or purchasing individual mounts, this kit offers a cost-effective way to upgrade or replace worn-out mounts. It eliminates the need for custom machining or specialized tools.

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### **Cons of the Anchor 300684 Engine Mount Kit**

1. **Limited Compatibility**

The kit is specifically designed for certain engine models (e.g., specific outboard or stern drive brands like Mercury, Yamaha, or Evinrude). If your engine doesn t match the listed compatibility, the kit may not fit, requiring you to purchase a different model or fabricate custom mounts. Always verify the engine s model and year before purchasing.

2. **Potential for Over-Tightening**

Engine mounts require precise torque specifications to function correctly. Over-tightening can damage the engine s mounting surfaces or the mounts themselves, leading to premature failure. Under-tightening can result in excessive movement and vibration. Following the included instructions carefully is critical.

3. **Quality Variability**

While Anchor is a trusted brand, the quality of individual kits can vary based on manufacturing batch or storage conditions. Some users report minor inconsistencies in bolt sizes or mount alignment, which may require adjustments during installation.

4. **Installation Complexity for Non-Experienced Users**

Replacing engine mounts often involves lifting the engine, which can be challenging without the right tools (e.g., engine hoist, jack stands, or a helper). Improper handling during installation can lead to damage to the engine or mounts. Those without mechanical experience may find the process daunting.

5. **Cost Relative to DIY Fabrication**

For those with access to metalworking tools and experience, fabricating custom mounts might be cheaper than purchasing a kit. However, this requires time, skill, and precision to ensure safety and functionality.

6. **Potential for Counterfeit Products**

Purchasing from unauthorized sellers (e.g., third-party marketplaces without brand verification) may result in counterfeit or substandard products. Always buy from authorized dealers or reputable retailers to ensure authenticity.

7. **Limited Customization**

The kit is designed for standard applications and may not accommodate non-standard mounting configurations (e.g., extreme tilt angles or custom engine positions). Customization would require additional modifications or a different kit.

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### **Conclusion**

The **Anchor 300684 Engine Mount Kit** is a reliable and practical solution for replacing or upgrading engine mounts on compatible marine engines. Its strengths lie in its compatibility, durability, ease of installation, and brand reputation, making it a solid choice for both maintenance and performance upgrades. However, its limitations such as strict compatibility requirements, the need for careful installation, and potential variability in quality must be considered.

For most users who need a straightforward, high-quality replacement kit for their specific engine model, this kit is a worthwhile investment. It strikes a balance between cost, performance, and reliability. That said, those with non-standard setups or limited mechanical experience may need to weigh the pros and cons carefully or consult a professional before purchasing.

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### **Recommendation**

- Your engine model is explicitly listed as compatible with this kit.

- You are confident in your ability to install it correctly (or have access to professional help).

- You prioritize durability, ease of installation, and brand reliability over customization.

- You are replacing worn-out or damaged mounts and want a cost-effective, off-the-shelf solution.

- Your engine does not match the listed compatibility, as mismatched mounts can cause safety issues.

- You lack experience with engine installations and are unsure about handling the engine safely.

- You are considering non-standard modifications that may not be supported by the kit.

- You suspect the product is counterfeit or purchased from an untrusted source.

- Verify the exact engine model and year before purchasing to ensure compatibility.

- Purchase from an authorized Anchor dealer or a reputable marine parts retailer to guarantee authenticity.

- Consider consulting a marine mechanic if you are unsure about the installation process.

- Keep spare bolts and hardware on hand, as some kits may not include extras.

In summary, for the right user and application, the Anchor 300684 Engine Mount Kit is a sound choice that offers a balance of quality and convenience. Always prioritize safety and proper installation to maximize its benefits.

Details:

Information like which side a part fits LEFT or RIGHT and specific vehicle attributes Transmission, AWD/RWD, other exclusions are included for your information in this LEFT COLUMN. All mounts are engineered and designed to OEM standards using the latest CAD/CAM engineering process ensuring highest consistency quality. This part fits vehicles made in the following years 2010 ,2011,2012,2013,2014,2015,2016,2017. The image USUALLY shows all the pieces and qty included with part.

Anchor 300684 ENGINE MNT KIT This mount kit supports the engine and dampens vibration. FINISH MATERIAL COLOR shown in the listing image will often vary from actual part shipped. Hemlock bonding agent is used to ensure a superior rubber-to-metal bond.

All Rubber material is manufactured to specific Barometer hardness measurements based on vehicle application requirements. Hydraulic Mounts, applicable where OE, are engineered for high vibration and torque applications filled with special hydraulic fluid to dampen excess noise.

part #: 300684 prices

• $215.71-$234.20

specifications engimou:

• brand: Anchor
• mpn: 300684
• manufacturer warranty: 1 Year
• type: Engine Mount Kit

payments engimou:

• wallet: Paypal
• other
• credit card: Visa

shipping engimou:

• type: Calculated
• transit: 4-9 Days
• carrier: FedEx, USPS
• cost: $32.62
• class: Standard, Expedited
• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail

seller engimou:

• rating: 99.6%
• city: Santa Fe Springs, California
• # reviews: 4031

offer engimou:

• sold: 0
• started: May 10, 2026
• options: Ship-to-home
• quantity: 2
• availability: In Stock

returns engimou:

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

general engimou:

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

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