MACK 30QS3479AM Engine Mount Nos

( Manufacturer Part Number: 30QS3479AM ), ( Part Type: Engine Mount )

Review MACK Engine Mount Nos

The **Mack 30QS3479AM Engine Mount (NOS New Old Stock)** is a meticulously preserved, high-performance component designed to ensure optimal stability, durability, and reliability for the iconic **Mack E7 or E8 series engines**, particularly those equipped with the **3479A model**. Crafted from high-grade, heat-treated steel, this mount is engineered to withstand the rigorous demands of heavy-duty trucking, off-road applications, and extended operational hours without compromising structural integrity. The **30QS3479AM** is a **rubber-isolated, elastomeric mount**, featuring a robust **steel shank** and a **reinforced rubber bushing** that absorbs vibrations, reduces engine noise, and minimizes transmission of harsh road shocks to the chassis. This design not only enhances driver comfort but also extends the lifespan of both the engine and surrounding components by mitigating excessive stress and wear.

As a **New Old Stock (NOS) part**, this engine mount has been carefully selected from a trusted inventory of pre-owned, high-quality components that have been stored in optimal conditions to preserve their original specifications. The mount retains its **factory-sealed integrity**, ensuring that it meets or exceeds OEM standards without the wear associated with used parts that have seen significant mileage. The **30QS3479AM** is specifically tailored for applications requiring precise alignment and secure attachment, making it an ideal replacement for failed or degraded mounts in **class 8 trucks, buses, or specialized heavy-duty vehicles**. Its **universal compatibility** with Mack s E-series engines ensures a seamless fit, allowing for quick and straightforward installation with minimal modifications.

Beyond its functional excellence, this mount embodies the **durability and precision** for which Mack engines are renowned. The **elastomeric material** is designed to maintain its resilience over time, resisting oil, heat, and environmental degradation, while the **steel reinforcement** provides the necessary rigidity to support the engine s weight and movement. Whether restoring a vintage truck, upgrading an older vehicle, or maintaining a fleet of Mack-powered rigs, the **30QS3479AM NOS Engine Mount** delivers a balance of **performance, longevity, and reliability** that is unmatched by aftermarket alternatives. Its inclusion in a vehicle s suspension system ensures that the engine operates smoothly, reducing fatigue on the drivetrain and enhancing overall vehicle stability critical factors for both short-haul and long-distance operations.

**Pros and Cons of buying a Mack 30QS3479AM Engine Mount (NOS New Old Stock)**

### **Pros**

1. **High Quality and Durability** Mack engines are known for their robust construction and reliability, especially in heavy-duty applications like long-haul trucking. A NOS engine mount retains the original manufacturing quality, ensuring it meets or exceeds modern standards for strength and longevity.

2. **Compatibility with Original Equipment** Since it is a direct replacement part, the Mack 30QS3479AM engine mount will fit seamlessly into the original engine bay without requiring modifications. This ensures proper alignment and function, reducing the risk of misalignment issues that can lead to premature wear.

3. **Reduced Risk of Counterfeit Parts** Purchasing from a reputable NOS supplier guarantees an authentic Mack part, avoiding the potential problems associated with aftermarket or counterfeit components, which may fail prematurely or lack proper certifications.

4. **Potential for Better Performance** In some cases, NOS parts may have been stored under ideal conditions, preserving their original performance characteristics. This can be particularly advantageous if the original mount was part of a well-maintained engine.

5. **Easier Maintenance and Replacement** Since it is a standard Mack part, mechanics familiar with Mack engines will have experience working with it, simplifying installation and troubleshooting. This can reduce labor costs and downtime.

6. **Historical or Collector Value** If you are restoring or preserving a vintage Mack engine, a NOS mount adds authenticity and may increase the vehicle s value to collectors or enthusiasts.

7. **Warranty or Guarantee Coverage** Some NOS suppliers offer warranties or guarantees, providing peace of mind in case of defects. This is less common with aftermarket parts, which often lack such protections.

---

### **Cons**

1. **Higher Cost** NOS parts are typically more expensive than aftermarket or remanufactured alternatives. The premium price reflects the part s age, authenticity, and the assumption that it has been stored properly. For budget-conscious buyers, this can be a significant drawback.

2. **Limited Availability** Mack engines, especially older models, are not as commonly produced as they once were. Finding a NOS mount may require searching through specialty suppliers, eBay, or auctions, which can be time-consuming and may involve bidding wars.

3. **Potential for Wear or Damage** Even if the part is NOS, it may have been stored for decades and could show signs of wear, such as cracks, corrosion, or degraded rubber components. Without a thorough inspection, you risk purchasing a part that is not in optimal condition.

4. **No Modern Upgrades** NOS parts are not subject to modern manufacturing improvements, such as enhanced materials, coatings, or design refinements. This means the mount may lack features that could improve performance, durability, or ease of installation compared to newer alternatives.

5. **Longer Lead Times** Due to limited availability, ordering a NOS part may result in longer shipping times compared to aftermarket parts, which are often stocked by multiple suppliers. This can delay repairs or restorations.

6. **Risk of Overpaying** The NOS market can be speculative, with some sellers inflating prices due to perceived scarcity or demand. Without market knowledge, buyers may pay more than necessary for a part that could be obtained more affordably elsewhere.

7. **Compatibility with Modified Engines** If the original engine has been modified (e.g., with aftermarket components or upgrades), the NOS mount may not align perfectly with the new configuration. This could require additional adjustments or even a different part entirely.

---

### **Conclusion**

Buying a Mack 30QS3479AM engine mount in NOS condition offers significant advantages for those prioritizing authenticity, quality, and compatibility with original equipment. The part s durability and reliability make it an attractive choice for restorers, collectors, or operators who value original components. However, the higher cost, potential for wear, and limited availability present challenges, particularly for buyers on a tight budget or those seeking the latest technological improvements.

For most modern applications, especially in new or heavily modified engines, a remanufactured or aftermarket mount may offer a more cost-effective and practical solution without sacrificing performance. That said, if you are restoring a vintage Mack engine or require an exact OEM replacement for historical accuracy, the NOS option is worth considering provided you conduct due diligence to verify the part s condition and source it from a trusted supplier.

---

### **Recommendation**

- You are restoring a vintage Mack engine and require an authentic part.

- You have verified the part s condition through inspection or a reputable supplier.

- Budget is not a primary concern, and you value the original equipment s reliability.

- You are unable to find a suitable remanufactured or aftermarket alternative.

- You are working on a modern or modified engine where newer parts would be more practical.

- Cost is a significant factor, and you can find a high-quality remanufactured or aftermarket mount at a lower price.

- You are unsure of the part s condition and cannot inspect it in person before purchase.

**Final Advice:** If proceeding with a NOS purchase, thoroughly research the supplier s reputation, request detailed photos or inspection reports, and compare prices across multiple sources to ensure you are getting a fair deal. For most practical applications, a remanufactured Mack mount or a high-quality aftermarket equivalent (e.g., from reputable brands like **Mack, Wabco, or specialized heavy-duty suppliers**) will likely provide a better balance of cost, performance, and availability.

Details:

Items are shipped using USPS, UPS, and FedEx. If the original package is included it may show signs of wear. Pictures: Thumbnails. Engine Mount is new and in good condition, original packaging.

All parts are in stock and ready to ship. Mack 30QS3479AM Engine Mount NOS.

part #: 30qs3479am prices

• $140.00-$210.49

specifications engimou:

• for makes: Mack
• mpn: 30qs3479am
• part type: Engine Mount

shipping engimou:

• class: Standard
• type: Fixed
• transit: 4-8 Days
• cost: $0.00
• service: Standard

general engimou:

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

seller engimou:

• city: Ashaway, Rhode Island
• # reviews: 127945
• rating: 99.9%

returns engimou:

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

payments engimou:

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

offer engimou:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• sold: 0
• quantity: 1
• started: February 22, 2026

Mack 30QS3479AM Is Similar To:

• Mack 5000660955 Good Used Diesel Engine Motor Mount Part (47.2% similar) Call us anytime and let us arrange the details.: best diesel truck parts. Good used mack diesel engine motor mount part# good: images...(February 13th, 2024)
• Volvo 20668550 Mack Mp7 D11 Engine Front Motor Mount 20568550 (41.7% similar) Free shipping excludes any USA island and protected territories. Condition: good. PART#20568550. Year fitment. Model: MP7 / D11. Please verify part fitment prior to purchase. Manufacture: mack/ Volvo...(August 1st, 2024)
• Mack 158gb553 E7 Front Engine Mount 158gb553 (54.5% similar) Year fitment. PART#158GB553. Condition: good. Free shipping excludes any USA island and protected territories. Manufacture: mack. Please verify part fitment prior to purchase...(August 21st, 2024)
• Mack 209rd537m Oem Diesel Engine A c Compressor Bracket Part (40.4% similar) Good used oem mack diesel engine a/c compressor bracket 209RD537M for sale, part # 209RD537M, stock 8302 tested inspected. Part specifics: mack oem a/c compressor bracket # 209RD537M. Same day shipping is available. We speak English Spanish...(December 2nd, 2024)
• Pai 803986 Engine Mount Kit Rear Mack Ch cx Models Application For (42.9% similar) Manufactured following strict OE standards to work like the original component. 803986 engine mount kit rear; mack ch/CZ model's application for pair: part number: manufacturer: pair. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Designed ...(January 5th, 2025)
• Pai 803975e Engine Mount Rear Mack Newer Ch cv cx cl Models Application For (41.1% similar) Manufactured following strict OE standards to work like the original component. Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service. Engineered with a factory-like design for effortless installation, ensuring perfect...(March 1st, 2025)
• Mack 8235-gaff12034 Fits Engine Mount (63.8% similar) Engineered using the latest technology to ensure product lasts longer in service. fits mack 8235-GAFF12034 engine mount: part number: manufacturer. Manufactured following strict OE standards to work like the original component. Made of high-quality components for durability, reliability, and ...(May 31st, 2025)
• Mack 22220828 Fits Engine Mount (63.5% similar) Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Manufactured following strict OE standards to work like the original component. fits mack 22220828 engine mount: part number: manufacturer. Engineered using the latest technology to ensure ...(June 12th, 2025)
• Mack 3302-mm7562005ht Fits Engine Mount Kit Ht (56.4% similar) Manufactured following strict OE standards to work like the original component. Engineered using the latest technology to ensure product lasts longer in service. fits mack 3302-MM7562005HT engine mount kit, ht: part number: manufacturer. Engineered with a factory-like design for effortless ...(June 13th, 2025)
• Mack 22220823 Fits Engine Mount (63.5% similar) fits mack 22220823 engine mount: part number: manufacturer. Manufactured following strict OE standards to work like the original component. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Made of high-quality components for durability, ...(July 14th, 2025)
• Mack 3302-mm5962002ht Fits Engine Mount Kit Rear (55% similar) Engineered using the latest technology to ensure product lasts longer in service. Designed specifically for trucks, trailers, and buses. fits mack 3302-MM5962002HT engine mount kit rear ,: part number: manufacturer. Made of high-quality components for durability, reliability, and performance. ...(July 31st, 2025)