REPUBLIC 31-2374 Nos American Engine Mount 193332367870 15904956-101

( Brand: Republic ), ( Manufacturer Part Number: 31-2374 ), ( Material: Rubber ), ( Item Length: 6.250 ), ( Vintage Part: Yes ), ( Placement On Vehicle: Motor ), ( California Prop 65 Warning: Prop65 Warning ), ( Type: Engine Mount ), ( Ipn: 15904956-101 ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 5.250 ), ( Universal Fitment: No ), ( Item Width: 4.250 ), ( Country Of Origin: China ), ( UPC: 193332367870 )

Review REPUBLIC New Nos American Motors Engine Mount fits AMBASSADOR 1966–1972

The **Republic 31-2374 NOS (New Old Stock) American Ambassador 1966 1972 Engine Mount** is a meticulously preserved, high-quality reproduction of the original factory-fitted component designed to ensure optimal performance and reliability for your classic muscle car. Crafted from durable, heat-resistant rubber and reinforced with high-grade steel reinforcements, this engine mount is engineered to replicate the precise fit, feel, and functionality of the OEM part, allowing your Ambassador s powertrain to operate with the same smooth, vibration-dampening precision as it did in its heyday. Whether you re restoring a 1966 1972 American Ambassador to showroom condition or simply maintaining its mechanical integrity for daily driving, this NOS mount eliminates the guesswork by offering a direct replacement that meets or exceeds the original specifications. The mount s robust construction is designed to handle the stresses of high-performance applications, including heavy-duty V8 engines and aggressive driving styles, while its precise alignment ensures proper suspension geometry and steering responsiveness. For enthusiasts who demand authenticity and performance, this engine mount is an essential upgrade, bridging the gap between modern reliability and vintage authenticity. Perfect for both restoration projects and ongoing maintenance, it s a must-have for anyone who appreciates the marriage of classic design and modern engineering.

### Pros and Cons of Buying a Republic 31-2374 NOS (New Old Stock) American Ambassador 1966 1972 Engine Mount

1. **Authentic and Original** A NOS engine mount is a genuine, unused part from the original production run of the American Ambassador (a variant of the Ford Thunderbird). This ensures perfect fitment and historical accuracy, which is highly valued by collectors and enthusiasts.

2. **Reliability and Durability** Since these mounts were designed for the original vehicle, they are built to withstand the stresses of the Ambassador s drivetrain. High-quality materials and construction mean they are less likely to fail prematurely compared to aftermarket or reproduction parts.

3. **Preservation of Vintage Integrity** For classic car restorations or show cars, using NOS parts maintains the vehicle s original specifications, which is crucial for authenticity in concours competitions or historical preservation efforts.

4. **Long-Term Availability** While NOS parts are rare, they are more likely to remain available than aftermarket alternatives, which may become discontinued or outdated over time. This ensures you won t need to hunt for replacements decades from now.

5. **Potential for Increased Resale Value** If you plan to restore or sell the vehicle later, NOS components can significantly enhance its value, especially in the classic car market where authenticity commands a premium.

6. **Reduced Risk of Compatibility Issues** Aftermarket or reproduction parts may not fit perfectly due to manufacturing tolerances or design changes. A NOS mount is guaranteed to match the original specifications, eliminating potential fitment problems.

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1. **High Cost** NOS parts are significantly more expensive than new aftermarket or reproduction alternatives. The price reflects their rarity, age, and the effort required to source them. For example, a NOS engine mount for this engine can cost hundreds of dollars, whereas a modern replacement might be available for a fraction of that.

2. **Limited Availability** Finding NOS parts can be challenging. Many collectors and restorers have already acquired them, and new stock may not be readily accessible. This can lead to long waits or the need to rely on secondary markets (e.g., eBay, specialty forums), where prices may be inflated.

3. **Condition and Age Factors** Even though NOS parts are unused, they may have been stored in less-than-ideal conditions (e.g., humidity, temperature fluctuations, or improper packaging). This could lead to minor issues like rust, dried-out rubber bushings, or degraded materials, requiring additional inspection or cleaning before installation.

4. **Potential for Counterfeit or Misrepresented Parts** The NOS market is not always regulated, and some sellers may mislabel parts as NOS when they are actually used, refurbished, or reproduction items. Thorough research and verification (e.g., checking serial numbers, provenance, or consulting experts) are essential to avoid scams.

5. **Installation Challenges** While NOS parts fit perfectly, installing them may require specialized tools, knowledge, or adjustments (e.g., trimming or reshaping components to fit modern vehicles). This could add labor costs or time to the project.

6. **Opportunity Cost** The funds spent on NOS parts could potentially be allocated to other aspects of the vehicle s restoration (e.g., suspension upgrades, interior refurbishment, or modern safety modifications). Prioritizing NOS parts may limit resources for other critical improvements.

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Buying a NOS Republic 31-2374 engine mount for a 1966 1972 American Ambassador is a decision that hinges on your priorities as a car owner or enthusiast. If **authenticity, long-term reliability, and historical preservation** are your top concerns, the benefits of a NOS part outweigh the drawbacks. The investment will pay off in terms of the vehicle s value, performance, and the satisfaction of maintaining its original character.

However, if **budget constraints, practicality, or modern convenience** are more important, an aftermarket or reproduction part may be a more practical choice. Aftermarket parts are often more affordable, widely available, and may come with warranties or modern improvements (e.g., reinforced materials or easier installation).

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- You are restoring or maintaining a show-quality classic car where authenticity is non-negotiable.

- You have the budget to allocate to high-quality, long-term components.

- You are willing to invest time in sourcing, verifying, and installing the part properly.

- The vehicle s resale or collector value is a priority.

- You are on a tighter budget and need to balance cost with quality.

- The vehicle is primarily for daily driving, and originality is less critical.

- You cannot find a reputable source for the NOS part, or the wait time is prohibitive.

- You prefer modern alternatives that may offer easier installation or improved durability.

**Final Tip:** If you decide to go with a NOS part, purchase from a trusted seller with verifiable provenance (e.g., a well-known classic car parts dealer, auction house, or a seller with a history of honest transactions). Inspect the part thoroughly for any signs of wear or damage, and consult with a mechanic or restoration expert if you have doubts about its condition.

Details:

We buy collections and portions of. Like what you see. Any questions. 1967AMCAmbassador4.7L Engine - Front.

Fits the following: 1966AMCAmbassador4.7L Engine - Front. This means there could be some discoloration, markings, scratches, or other defects. Are you in charge of an estate that want to sell. Please look closely at the pictures for condition before buying.

What you see is what get. Buyer pays return shipping unless we sent a defective item or it was damaged during. 1967AMCAmbassador5.6L Engine - Front. We combine shipping.

New NOS Engine Mount Republic 31-2374.

part #: 312374 price

• $24.99

specifications engimou:

• for models: Ambassador
• for years: 1966-1972
• brand: Republic
• mpn: 31-2374
• material: Rubber
• item length: 6.250
• vintage part: Yes
• placement on vehicle: Motor
• california prop 65 warning: Prop65 Warning
• type: Engine Mount
• ipn: 15904956-101
• manufacturer warranty: 1 Year
• item height: 5.250
• universal fitment: No
• item width: 4.250
• country of origin: China
• upc: 193332367870

payments engimou:

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

returns engimou:

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

seller engimou:

• city: Andover, Minnesota
• # reviews: 5368
• rating: 99.7%

offer engimou:

• sold: 0
• options: Ship-to-home
• started: May 6, 2026
• best offers: True
• quantity: 1
• availability: In Stock

shipping engimou:

• type: Fixed
• class: Standard
• carrier: USPS
• cost: $8.62
• service: USPS Ground Advantage
• transit: 3-7 Days

general engimou:

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

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