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  3. 258804C91

258804C91 Nos Oil Water Pressure Gauge

fits model: 800, Scout. year: 1961–1980.

258804c91 International Nos 1961 - 1971 Scout 80 / 800 Oil Pressure Gauge Ih #

( Brand: International ), ( Manufacturer Part Number: 258804C91 ), ( Type: Oil Pressure Gauge ), ( Display Type: Analog ), ( Oe/oem Part Number: Nos 1961 1971 International Scout 80 / 800 Oil Pressure Gauge I ), ( Style: Vintage ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Country Of Origin: United States )

Review INTERNATIONAL Nos Oil Pressure Gauge Ih fits SCOUT 800 1961–1980

The **International Harvester Scout 80 (Model 258804C91) Oil Pressure Gauge (Part Numbers 1961, 1971)** is a robust, precision-engineered instrument designed specifically for the iconic Scout 80 and 800 series trucks, manufactured between the late 1960s and early 1970s. This gauge is a critical component of the vehicle s lubrication system, ensuring optimal engine performance by monitoring oil pressure in real-time. Crafted with durable materials, it features a high-visibility analog dial with a bold, easy-to-read scale marked in PSI (pounds per square inch), allowing operators to quickly assess whether the oil pressure falls within the manufacturer s recommended operating range typically between 15 to 60 PSI, depending on engine temperature and RPM. The gauge s housing is constructed from sturdy metal, often finished in a matte black or silver tone, with a rugged, industrial aesthetic that complements the rugged functionality of the Scout s off-road and utility-oriented design.

The internal mechanism of this oil pressure gauge is built to withstand the demanding conditions of heavy-duty use, featuring a reliable bourdon tube sensor that converts oil pressure into mechanical movement, driving the needle across the calibrated scale. The gauge is wired directly into the vehicle s electrical system, requiring a clean 12-volt DC power supply, and is typically mounted on the dashboard or instrument panel for immediate visibility. For collectors, restorers, and enthusiasts seeking authenticity, this gauge is often sourced from original Scout 80/800 models, preserving the vintage charm while ensuring modern reliability. In cases where original gauges are unavailable, high-quality aftermarket replicas are available, meticulously designed to match the original specifications, including the same mounting holes and wiring connections, ensuring seamless integration into restored or modified vehicles.

Beyond its functional utility, this oil pressure gauge carries historical significance, serving as a tangible link to the era of American off-road and agricultural innovation. The Scout 80 and 800 were legendary for their durability and adaptability, and components like this gauge reflect the engineering prowess of International Harvester during its prime. Whether installed in a fully restored classic truck or a carefully maintained daily driver, the Scout 80/800 oil pressure gauge not only fulfills a critical mechanical role but also enhances the vehicle s nostalgic appeal, reinforcing its status as a piece of automotive history. For those who appreciate both form and function, this gauge is an essential addition to any Scout enthusiast s toolkit.

### **Pros and Cons of Buying an International Scout 80 (1961 1971) with NOS (New Old Stock) Oil Pressure Gauge (Part Number: 258804C91, NOS 1961 1971, 80/800 Series)**

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### **Pros**

1. **Authenticity and Originality**

- A NOS oil pressure gauge ensures you are getting a genuine, unused part that matches the original specifications of your International Scout 80. This is particularly valuable for vintage vehicle restoration, as aftermarket replacements may not fit or function as precisely as an original component.

2. **Reliability and Durability**

- Original parts, especially from the 1960s 70s era, were built to last with robust construction. A NOS gauge is likely to be in excellent condition, free from wear or damage that might affect performance over time.

3. **Ease of Installation**

- Since the gauge is designed specifically for the Scout 80, it should fit seamlessly into the existing wiring and mounting system without requiring modifications. This reduces the risk of compatibility issues that can arise with aftermarket alternatives.

4. **Preservation of Vintage Value**

- For enthusiasts who prioritize maintaining or restoring their vehicle s originality, a NOS part adds to the authenticity and collectible value of the Scout. This is especially appealing if the vehicle is intended for shows, sales, or historical preservation.

5. **Potential for Better Readings**

- Original gauges from this era were often calibrated to the exact specifications of the engine, providing accurate oil pressure readings. Aftermarket gauges might be less precise or calibrated for different engine types, leading to potential inaccuracies.

6. **Historical Significance**

- Owning a NOS part connects you to the vehicle s heritage. The International Scout 80 was a rugged, iconic off-roader, and having original components enhances the sense of owning a piece of automotive history.

7. **Reduced Risk of Counterfeit Parts**

- NOS parts are sourced directly from original stock or reputable dealers, minimizing the risk of purchasing a fake or poorly made replica. This is a common concern with aftermarket or eBay purchases.

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### **Cons**

1. **High Cost**

- NOS parts are significantly more expensive than aftermarket alternatives. The price reflects their rarity, original condition, and the effort required to source them. For a vintage vehicle owner on a budget, this can be a major drawback.

2. **Limited Availability**

- Finding a NOS gauge for a specific model year (1961 1971) and series (80/800) may be challenging. The supply is finite, and once sold, it may not be readily available again. This can create urgency and potentially drive up prices further.

3. **Potential for Overpaying**

- The scarcity of NOS parts can lead to inflated prices, especially if the seller markets the part as "rare" or "highly sought after." Buyers must be prepared to research fair market value to avoid overpaying.

4. **No Warranty or Return Policy**

- NOS parts are typically sold as-is, with no warranty or return options. If the gauge is defective or fails after installation, you may be unable to seek a replacement or refund, unlike with new aftermarket parts that often come with warranties.

5. **Age-Related Wear (Even if NOS)**

- While the gauge is unused, it is still an original part from the 1960s 70s. Over time, even unused components can degrade due to exposure to moisture, dust, or other environmental factors. Testing the gauge before installation is crucial to ensure it functions correctly.

6. **Compatibility Concerns**

- Although the gauge is NOS for your Scout model, there is always a slight risk of compatibility issues, such as mismatched wiring harnesses, mounting brackets, or calibration standards. Thorough inspection and testing are necessary to avoid problems post-installation.

7. **Opportunity Cost**

- The funds spent on a NOS gauge could potentially be allocated to other restoration or maintenance needs for the Scout. Prioritizing which original parts to replace requires careful consideration, especially if the vehicle has multiple areas requiring attention.

8. **Ethical and Environmental Considerations**

- Purchasing NOS parts contributes to the depletion of original stock, which may not be sustainable in the long term. Some enthusiasts argue that supporting aftermarket or reproduction parts helps preserve original components for future generations.

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### **Conclusion**

Buying a NOS oil pressure gauge for your International Scout 80 (1961 1971) is a decision that balances authenticity, reliability, and historical value against cost, availability, and practicality. If your primary goal is to restore or preserve the vehicle s originality and you have the budget to invest in high-quality, original parts, the NOS gauge is an excellent choice. It ensures compatibility, accuracy, and a sense of connection to the vehicle s legacy.

However, if budget constraints or practical considerations (such as the need for multiple parts) make this purchase difficult, aftermarket alternatives while not as authentic may offer a more affordable and accessible solution. The key is to weigh your priorities: whether you value the intangible benefits of originality over the tangible benefits of cost savings and flexibility.

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### **Recommendation**

1. **If You Prioritize Authenticity and Are Willing to Pay More:**

- Proceed with the purchase of the NOS gauge, but verify its condition thoroughly (test it for functionality and inspect for any signs of wear or damage). Purchase from a reputable dealer with a good reputation for authenticity to avoid scams or counterfeit parts.

2. **If You Need a Balance Between Cost and Authenticity:**

- Consider a high-quality aftermarket gauge that is specifically designed for the International Scout 80. Look for brands with positive reviews and warranties. Ensure the gauge is calibrated correctly and compatible with your engine s specifications.

3. **If Budget Is a Major Constraint:**

- Focus on restoring or maintaining other critical systems of the Scout first. Allocate funds to essential parts and leave the oil pressure gauge as a later priority, or explore used NOS gauges from trusted sellers (though these may come with higher risks).

4. **Always Test Before Installing:**

- Regardless of whether you choose NOS or aftermarket, test the gauge thoroughly before installing it in your Scout. This includes checking for proper functionality, accurate readings, and compatibility with your vehicle s electrical system.

Ultimately, the choice depends on your personal goals, financial situation, and how much you value the originality of your International Scout 80. For many enthusiasts, the intangible joy of owning a piece of automotive history outweighs the practical drawbacks, making the NOS gauge a worthwhile investment.

Details:

Appears to be new /unused From a high end estate.

part #: 258804c91 price

  • $275.00

specifications boosttempgauges:

  • for models: 800, Scout
  • for years: 1961-1980
  • brand: International
  • mpn: 258804c91
  • type: Oil Pressure Gauge
  • display type: Analog
  • oe/oem part number: Nos 1961 1971 International Scout 80 / 800 Oil Pressure Gauge I
  • style: Vintage
  • vintage part: Yes
  • universal fitment: No
  • country of origin: United States

returns boosttempgauges:

  • policy: No Returns

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  • service: USPS Ground Advantage
  • type: Calculated
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  • cost: $8.10
  • class: Standard
  • transit: 7-11 Days

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general boosttempgauges:

  • Interior Parts Accessories > Gauges > Individual Gauges
  • condition: New other see details

seller boosttempgauges:

  • # reviews: 649
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offer boosttempgauges:

  • started: April 23, 2026
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  • quantity: 1
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  • availability: In Stock
for models: 800, scout, for years: 1961-1980, type: oil pressure gauge, display type: analog, oe/oem part number: nos 1961 1971 international scout 80 / 800 oil pressure gauge i, style: vintage, vintage part: yes, universal fitment: no, country of origin: united states,
category: auto parts > interior parts accessories > gauges > individual gauges, sku: 20386919401084853,
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  • New. Offer #1 priced at $275.00 + $10.00 shipping estimate = $285.00* total. Beautiful Gauge !.+$10.00 shipping

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