OER 5658075 Tachometer Clock Dash Gauge 73-75 Tachometer/clock

( Brand: Oer ), ( Manufacturer Part Number: 5658075 ), ( Features: Clock ), ( Type: Tachometer Gauges ), ( Item Height: 6.000 ), ( Item Length: 7.00 ), ( Item Width: 7.000 ), ( California Prop 65 Warning: True )

Review OER 73-75 Tachometer/clock In Dash Gauge Assy fits FIREBIRD

The **Oerlikon (Oer) 5658075 73-75 Firebird Tachometer/Clock Dash Gauge** is a meticulously crafted, high-performance instrument designed exclusively for classic Chevrolet Firebirds from the 1973 to 1975 model years, particularly those equipped with the iconic LS6, LS4, or other high-output V8 engines. This precision-engineered gauge combines the functionality of a tachometer and clock into a single, sleek, and durable unit, seamlessly integrating into the original dash architecture while delivering unparalleled accuracy and reliability. The gauge features a robust, analog dial with a bold, easy-to-read face, complete with a high-contrast needle and a clear, backlit scale that ensures visibility even in low-light conditions. The tachometer portion is calibrated to handle the demanding RPM ranges of these powerful engines, often reaching well beyond 7,000 RPM, making it an essential tool for enthusiasts who prioritize performance and precision. The integrated clock mechanism, meanwhile, provides a practical timekeeping function without compromising the gauge s performance-oriented design. Constructed from high-quality materials, including a durable metal housing and a sturdy glass face, this gauge is built to withstand the rigors of daily driving and high-performance use. Its classic styling complements the Firebird s timeless aesthetic, while its modern engineering ensures it meets the demands of both vintage and contemporary driving experiences. Whether installed in a meticulously restored show car or a daily driver with a penchant for power, the Oer 5658075 gauge stands as a testament to the perfect blend of heritage and innovation, offering both functionality and flair for the discerning Firebird owner.

### **Pros and Cons of buying a OE 5658075 (73-75 Firebird Tachometer/Clock Dash Gauge)**

1. **Original Equipment (OE) Quality** This part is designed to match the factory specifications of a 1973-1975 Firebird, ensuring proper fitment and functionality. OE parts are typically built to higher standards than aftermarket alternatives, reducing the risk of premature failure.

2. **Accurate Readings** A well-functioning tachometer and clock are critical for safe driving. This gauge provides precise RPM and time readings, which are essential for engine management and timekeeping.

3. **Aesthetic Match** The gauge fits seamlessly into the original dash layout, maintaining the classic look of the Firebird. This is particularly valuable for enthusiasts who prioritize authenticity in their restoration or maintenance projects.

4. **Reliability** Since it s an OE part, it is less likely to experience common issues associated with cheaper aftermarket replacements, such as inaccurate readings or mechanical failures.

5. **Ease of Installation** Being an original part, it should integrate smoothly with the existing wiring and mounting points, reducing the need for extensive modifications.

6. **Resale Value** If you plan to sell the vehicle later, having original or high-quality replacement parts can appeal to buyers who value authenticity.

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1. **Cost** OE parts are generally more expensive than aftermarket alternatives. Depending on availability and condition, this gauge could be significantly pricier than a used or refurbished aftermarket unit.

2. **Limited Availability** Finding an exact OE replacement may be challenging, especially if the part is no longer in production. You may need to search through junkyards, online marketplaces, or specialty restoration suppliers.

3. **Condition Uncertainty** If purchasing used, there is a risk of hidden damage (e.g., cracked casing, faulty wiring, or worn internals). Inspecting the part thoroughly or testing it before installation is crucial.

4. **Potential for Counterfeit Parts** Some sellers may offer "OE" parts that are actually replicas or knockoffs. These may not function as reliably or last as long as genuine OE components.

5. **Compatibility Concerns** While this gauge is designed for 73-75 Firebirds, slight variations in wiring harnesses or mounting brackets between models (e.g., Trans Am vs. regular Firebird) could require additional work to ensure a perfect fit.

6. **Time-Consuming Search** Locating the exact part may take longer than finding an aftermarket solution, which could be readily available from multiple suppliers.

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The **OE 5658075 tachometer/clock gauge** is an excellent choice if you prioritize **authenticity, reliability, and precise functionality** for your 1973-1975 Firebird. Its original design ensures a seamless fit and accurate performance, making it ideal for restorations or projects where maintaining factory specifications is important. However, the **higher cost, potential availability issues, and need for careful inspection** (if buying used) are significant drawbacks.

If budget or availability is a concern, a **high-quality aftermarket replacement** (from a reputable brand like **Delco, ACDelco, or a trusted custom gauge builder**) could be a practical alternative, provided it meets your performance and aesthetic standards.

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- **If authenticity and long-term reliability are your top priorities**, proceed with the OE part, but **verify its condition thoroughly** (test the gauge, check for damage, and confirm wiring compatibility). Consider purchasing from a **trusted restoration supplier or junkyard** with a return policy.

- **If cost or availability is a concern**, explore **aftermarket options** from well-reviewed brands. Ensure the replacement gauge has **accurate RPM readings, a durable build, and proper mounting options** for your Firebird model.

- **For a balance**, you could also consider a **refurbished OE unit** from a salvage yard, which may offer a middle ground between cost and quality.

Ultimately, the best choice depends on your **budget, project goals, and willingness to invest time in sourcing the part**. For a classic Firebird, the OE gauge remains the gold standard for enthusiasts who value originality.

Details:

I have 3 techs for sale, they were from a 1975 Firebird The first two work fine, the third one clock doesn $120 each two, $100 with non working Firebird.

part #: 5658075 prices

• $369.99-$480.03

specifications boosttempgauges:

• for models: Firebird
• brand: Oer
• mpn: 5658075
• features: Clock
• type: Tachometer Gauges
• item height: 6.000
• item length: 7.00
• item width: 7.000
• california prop 65 warning: True

shipping boosttempgauges:

• type: Calculated
• carrier: UPS
• class: Standard
• service: UPS Ground
• cost: $10.41
• transit: 4-9 Days

returns boosttempgauges:

• policy: No Returns

payments boosttempgauges:

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

general boosttempgauges:

• condition: Used
• Interior Parts Accessories > Gauges > Individual Gauges

offer boosttempgauges:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• best offers: True
• quantity: 1
• started: February 26, 2026

seller boosttempgauges:

• # reviews: 5
• city: Murrieta, California
• rating: 0.0%

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