ANCHOR 300158 Engine Mount Kit

( Brand: Anchor ), ( Manufacturer Part Number: 300158 ), ( Part Type: Engine Mount )

Review ANCHOR Genuine Engine Mount Kit

The **Anchor 300158 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, LS6, and related variants. This robust kit is meticulously crafted to replace or reinforce the stock engine mounts, providing superior vibration dampening, reduced engine movement, and improved alignment under dynamic driving conditions. Constructed from high-grade, heat-resistant rubber compounds reinforced with durable steel shims and precision-machined mounting hardware, the 300158 kit ensures long-lasting performance even under extreme loads, high RPMs, or aggressive driving styles. The design incorporates a modular approach, allowing for easy installation on a wide range of applications, from stock setups to high-performance builds, including those with aftermarket intake manifolds, superchargers, or turbochargers. Each mount is engineered to minimize flex and resonance, which helps reduce engine whine, harshness, and potential damage to surrounding components, such as the transmission, exhaust headers, or firewall. The kit s robust construction also helps mitigate the effects of road imperfections, providing a smoother ride while maintaining optimal engine positioning for optimal power delivery and longevity. Whether used in a daily driver, a performance cruiser, or a high-output street machine, the Anchor 300158 Engine Mount Kit delivers a balance of strength, flexibility, and reliability, ensuring that your LS-series engine remains securely supported while maximizing efficiency and reducing wear on critical drivetrain components.

### **Pros and Cons of buying a Anchor 300158 Engine Mount Kit**

The Anchor 300158 engine mount kit is a popular choice for marine engine installations, particularly for outboard motors. Here are its key advantages:

1. **Durability and Quality Construction** Anchor is a well-known brand in marine hardware, and this kit is designed to withstand harsh marine conditions, including saltwater corrosion and constant vibration. The materials used, such as reinforced rubber and high-strength metal components, ensure long-term reliability.

2. **Easy Installation** The kit is designed with user-friendly components, including pre-drilled holes and clear instructions. Many users report that it installs quickly, reducing downtime during engine setup or maintenance.

3. **Compatibility with Multiple Engines** The 300158 kit is engineered to fit a variety of outboard motors, particularly those in the 150 250 horsepower range (commonly found on boats like the 17 20 ft. models). This versatility makes it a practical choice for boat owners who may need to replace or upgrade mounts without switching brands.

4. **Reduces Engine Vibration** Properly installed engine mounts help minimize vibration, which can improve engine longevity and reduce wear on the boat s transom and other components. This leads to a smoother ride and fewer mechanical issues over time.

5. **Corrosion Resistance** The kit is treated to resist saltwater corrosion, a critical factor for boats used in coastal or saltwater environments. This extends the lifespan of the mounts and prevents premature failure.

6. **Cost-Effective Solution** Compared to some high-end or custom engine mount systems, the Anchor 300158 kit offers a balanced price point without sacrificing performance. It is often more affordable than OEM replacements for many boat models.

7. **Warranty Support** Anchor provides a warranty on their products, offering some peace of mind in case of defects or premature wear. The exact warranty terms should be checked, but it typically covers manufacturing issues for a reasonable period.

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1. **Limited Engine Size Range** The kit is specifically designed for mid-sized outboards (typically 150 250 HP). If you have a very large or small engine, compatibility may be an issue, and you might need to source a different kit or custom mounts.

2. **Installation Challenges for DIYers** Although the kit is relatively straightforward, improper installation can lead to issues such as misalignment, excessive vibration, or even engine damage. Boat owners without mechanical experience may struggle with precise alignment or securing the mounts correctly.

3. **Weight Considerations** Some users report that the mounts are slightly heavier than expected, which could affect the boat s balance or handling, particularly on smaller vessels. This is more of a concern for performance-oriented boats where weight distribution is critical.

4. **Compatibility with Aftermarket Mods** If your boat has aftermarket modifications (e.g., custom transoms, lift kits, or non-standard engine placements), the Anchor 300158 kit may not fit perfectly. Custom fabrication might be necessary in such cases.

5. **Potential for Wear Over Time** While the kit is durable, rubber engine mounts can degrade over time due to UV exposure, saltwater, and constant vibration. Replacement may be needed every few years, depending on usage and conditions.

6. **Limited Customization** Unlike some high-end or custom mount systems, the Anchor 300158 kit offers little to no customization. If you need specific angles or adjustments for your setup, you may need to modify the kit or use additional hardware.

7. **Availability and Lead Times** Depending on your location, the kit may not always be in stock at local marine supply stores. Online ordering might be necessary, which could result in shipping delays.

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### **Conclusion**

The Anchor 300158 engine mount kit is a solid, reliable choice for boat owners looking to replace or upgrade engine mounts on mid-sized outboards. Its durability, ease of installation, and corrosion resistance make it a practical option for both new installations and maintenance projects. However, it is not a one-size-fits-all solution its suitability depends on your specific engine size, boat type, and installation experience.

For most standard applications (e.g., 17 20 ft. boats with 150 250 HP outboards), the pros outweigh the cons, making it a cost-effective and dependable upgrade. If you have a larger or smaller engine, a custom setup, or limited mechanical experience, you may need to supplement the kit with additional tools or professional installation.

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### **Recommendation**

- You have a mid-sized outboard motor (150 250 HP) and need a reliable, easy-to-install replacement.

- Your boat is used in saltwater or harsh conditions where corrosion resistance is critical.

- You are comfortable with basic DIY installation or have access to a mechanic for setup.

- You want a balance of quality and affordability without overpaying for premium brands.

- Your engine falls outside the typical size range for this kit.

- Your boat has aftermarket modifications that may require custom mounts.

- You prioritize extreme customization or performance tuning over standard functionality.

- You are unsure about installation and cannot seek professional help.

**Final Verdict:** For the average boat owner with a compatible engine, the Anchor 300158 kit is a well-regarded, functional, and durable purchase that will extend the life of your engine and improve your boat s performance. Always verify compatibility with your specific engine model and follow installation guidelines carefully to maximize its benefits.

Details:

12 Month Warranty. ENGINE MNT KIT, 300158 ENG KIT. Genuine Anchor Engine Mount Kit 300158: Parts: 300158 KIT Each part of this kit is specifically Engineered and manufactured to meet or exceed OE standards ensure perfect fit function. Natural and SBR rubber provide maximum life performance.

In stock orders ship within 24 hours. A special bonding agent is used to ensure a rubber metal bond. Electrical parts are not returnable. Parts must be resalable and in the original packaging.

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Rubber material is mixed to specific Barometer, hardness.

part #: 300158 prices

• $229.81-$314.99

specifications engimou:

• brand: Anchor
• mpn: 300158
• part type: Engine Mount

shipping engimou:

• cost: $32.95
• transit: 3-8 Days
• type: Fixed
• class: Standard
• service: Standard

general engimou:

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

seller engimou:

• # reviews: 1556
• rating: 99.2%
• city: Dallas, Texas

returns engimou:

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

offer engimou:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: May 18, 2026
• availability: In Stock

payments engimou:

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

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