IMPERIAL-EASTMAN 465-CA Nos Manifold Gauge Set R-502

( Brand: Imperial-eastman ), ( Manufacturer Part Number: 465-CA ), ( Part Type: Manifold Gauge ), ( Country Of Origin: United States ), ( Vintage Part: Yes ), ( Style: Vintage ), ( Display Type: Analog )

Review IMPERIAL EASTMAN Nos Brass Manifold Gauge Set Vintage fits R-12 R-22

The **Imperial Eastman 465-CA NOS (New Old Stock) Manifold Gauge Set**, featuring the iconic **R-12, R-22, and R-502** pressure gauges, represents a rare and highly sought-after piece of automotive precision engineering, originally crafted for high-performance applications in the mid-20th century. This meticulously preserved set exemplifies the craftsmanship of the era, where durability and accuracy were paramount in both racing and street performance vehicles. The **R-12** gauge, designed for measuring manifold pressure, is a critical tool for tuning engines, allowing drivers and mechanics to monitor boost levels with precision, ensuring optimal performance without risking engine damage. Its robust construction, featuring a sturdy brass or aluminum housing and a durable dial face, reflects the industrial strength required for the demanding conditions of high-performance driving. The **R-22** gauge, typically used for vacuum or intake manifold monitoring, complements the R-12 by providing essential feedback on engine efficiency, helping to balance air-fuel ratios and maintain peak performance. Its clear, legible markings and reliable needle movement make it indispensable for both diagnostic and tuning purposes.

The **R-502** gauge, often employed for measuring oil pressure, is another vital component of this set, ensuring that the engine s lubrication system remains operational under extreme stress. Its inclusion underscores the comprehensive nature of this gauge set, which was originally intended for use in vehicles equipped with forced induction or high-revving engines, where monitoring multiple critical parameters was essential. The **NOS (New Old Stock) designation** adds significant value, as these gauges are often found in near-perfect condition, having been carefully stored and preserved over decades, free from the wear and tear of modern use. The original brass or aluminum casing, paired with the classic black or white dial faces, exudes a timeless aesthetic that appeals to both enthusiasts and collectors. Whether installed in a classic muscle car, a restored hot rod, or a modern high-performance vehicle, this manifold gauge set serves as both a functional tool and a piece of automotive history, bridging the gap between vintage engineering and contemporary performance demands. Its inclusion in any setup signals a commitment to precision, reliability, and the enduring legacy of American automotive innovation.

### **Pros and Cons of buying a Imperial-Eastman 465-CA NOS Manifold Gauge Set (R-12, R-22, R-502)**

1. **Original No-Service (NOS) Condition** The set is described as NOS, meaning it has never been installed or used, preserving its original functionality and appearance. This ensures no wear from prior applications, which is ideal for collectors or those seeking pristine components.

2. **Compatibility with Multiple Refrigerants** The gauge set supports three common refrigerants (R-12, R-22, R-502), making it versatile for older HVAC/R systems, particularly in automotive, commercial refrigeration, or industrial applications. This flexibility extends its usefulness over time.

3. **High-Quality Construction** Imperial-Eastman was a reputable manufacturer known for durable, precision-engineered gauges. The NOS status suggests that the components were built to last, with accurate readings and robust construction.

4. **Collectible Value** NOS gauge sets are highly sought after by vintage HVAC/R enthusiasts and collectors. If you plan to preserve or resell the set later, its original condition could increase its resale value.

5. **Functionality for Restoration Projects** If you re working on a classic car, antique refrigerator, or historical HVAC system, a NOS gauge set ensures compatibility with original specifications, improving the authenticity of your restoration.

6. **Reliability for Professional Use** For technicians or hobbyists who prioritize accuracy, a well-maintained NOS gauge set can provide dependable pressure readings, reducing the risk of misdiagnosing system issues.

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1. **High Cost** NOS items, especially those in excellent condition, command premium prices. The cost may be prohibitive for casual users or those on a tight budget, particularly if they only need the set occasionally.

2. **Limited Modern Refrigerant Support** While the set works with R-12, R-22, and R-502, these refrigerants are being phased out due to environmental regulations. R-22, in particular, is banned in new installations in many regions. This could limit its long-term practicality unless you re working with legacy systems.

3. **Potential for Obsolete Components** Over time, finding replacement parts or compatible adapters for older gauge sets may become difficult, especially as manufacturers discontinue support for outdated refrigerants.

4. **Storage and Handling Considerations** NOS items require careful storage to prevent damage (e.g., dust, moisture, or physical stress). If not stored properly, the gauges could degrade despite their original condition.

5. **Overkill for Basic Use** If you primarily work with modern refrigerants (e.g., R-134a, R-410A, or R-32) or only need occasional refrigerant checks, investing in a NOS set may be unnecessary. A newer, more affordable gauge set could suffice.

6. **Learning Curve for Older Systems** Working with R-12 or R-22 systems may require familiarity with outdated technologies, tools, or safety protocols, which could be a barrier for newer technicians.

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### **Conclusion and Recommendation**

- Are restoring or maintaining vintage HVAC/R systems (e.g., pre-2010 vehicles, antique refrigerators, or industrial equipment).

- Value original, high-quality components for collectors or enthusiasts.

- Work primarily with R-12, R-22, or R-502 and need a reliable, accurate gauge set.

- Are willing to invest in a long-term solution despite the higher cost.

- Primarily work with modern refrigerants and need a cost-effective solution, consider a newer gauge set compatible with R-134a, R-410A, or R-32.

- Are a hobbyist or occasional user who doesn t need the versatility of multiple refrigerants, a less expensive alternative may be more practical.

- Prioritize environmental compliance and plan to avoid R-22 in the future, this set s limitations could outweigh its benefits.

Purchase the **Imperial-Eastman 465-CA NOS gauge set** if you have a clear, long-term need for it in vintage or legacy systems and can justify the investment. For modern applications or budget-conscious users, explore newer, refrigerant-compatible alternatives. Always verify the set s condition upon receipt, as even NOS items can have hidden flaws.

Details:

Unlike modern lightweight alternatives, this vintage brass set offers the weight, precision, and longevity that defined Imperial Eastman's reputation in mid-20th century. The unit features leak-proof, needle-type valves with metal-to-metal seats and a full-flow 3/16 diameter internal manifold body for maximum efficiency. Key Features:: Brand: Imperial Eastman. Valve Type: Leak-proof Needle-type with Metal-to-Metal Seat.

Origin: Made in the USA. Body Material: Heavy-Duty Forged Brass. Part of the highly respected 465-GA series, this charging and testing unit features a durable forged brass body color-coded gauges for high-visibility pressure monitoring. Unbeatable Prices Expectations: While many of our vintage parts were manufactured decades ago, they remain unused and high-quality.

Genuine Imperial Eastman 465-CA Brass Manifold Gauge Set NOS: This is a premium New Old Stock NOS manifold gauge set, part number. Gauge Design: High-visibility, Color-Coded Blue for Low Side, Red High Side. Condition: New Old Stock NOS. Some original boxes may show signs of shelf-wear, such as dust, tape, or surface distress from years storage.

part #: 465 prices

• $64.99-$192.95

specifications boosttempgauges:

• for models: R-12, R-22
• brand: Imperial-eastman
• mpn: 465-ca
• part type: Manifold Gauge
• country of origin: United States
• vintage part: Yes
• style: Vintage
• display type: Analog

general boosttempgauges:

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

returns boosttempgauges:

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

offer boosttempgauges:

• started: March 7, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0

shipping boosttempgauges:

• service: USPS Ground Advantage, USPS Priority Mail
• cost: $10.52
• type: Calculated
• transit: 5-10 Days
• class: Standard, Expedited
• carrier: USPS

payments boosttempgauges:

• other
• credit card: Diners-club
• wallet: Google-pay

seller boosttempgauges:

• rating: 99.9%
• # reviews: 16163
• city: Lewiston, Idaho

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