FREIGHTLINER OEM 22-48490-006 Rear Brake Air Water Pressure Gauge

( Brand: Freightliner Oem ), ( Manufacturer Part Number: 22-48490-006 ), ( Part Type: Pressure Brake Gauge ), ( Maximum Pressure: 0 130 Psi ), ( Mounting Position: Dash Mount / Panel Mount ), ( Connection Diameter: 1/4 In Standard Npt Thread ), ( Face Diameter: 2 In Analogue Gauge Face ), ( Country Of Origin: China ), ( Unit Type: Unit )

Review FREIGHTLINER OEM 48490 006 Rear Brake Air Pressure Gauge Red

The **Freightliner 48490-006 Rear Brake Air Pressure Gauge** is a precision-engineered component designed specifically for Freightliner commercial vehicles, ensuring optimal performance, safety, and compliance with industry standards. This high-quality air pressure gauge is part of the vehicle s braking system, providing real-time monitoring of rear brake air pressure to prevent dangerous malfunctions, such as low air pressure or air leaks, which could lead to brake failure. Crafted with durability in mind, the gauge features a robust, corrosion-resistant construction that withstands the harsh conditions of heavy-duty trucking, including exposure to extreme temperatures, moisture, and mechanical stress. Its clear, easy-to-read dial complete with a bright, high-contrast needle and numbered scale allows operators to quickly assess brake pressure levels, ensuring safe and efficient operation. The gauge is designed to integrate seamlessly with Freightliner s air brake systems, offering accurate readings that align with the manufacturer s specifications. Whether used in long-haul freight, regional delivery, or heavy-duty construction applications, this gauge is an essential tool for maintaining vehicle safety and extending the lifespan of the braking system. Its reliable performance and compatibility with Freightliner s fleet make it a trusted choice for fleet managers, mechanics, and drivers who prioritize precision and dependability in their equipment.

### Pros and Cons of Buying a Freightliner 48490-006 Rear Brake Air Pressure Gauge

1. **Compatibility** This gauge is specifically designed for Freightliner trucks, ensuring a proper fit and seamless integration with the vehicle s brake system. It is part of the OEM (Original Equipment Manufacturer) lineup, which means it meets Freightliner s engineering standards.

2. **Reliability** As an OEM or high-quality aftermarket part, it is built to last, reducing the risk of frequent failures or malfunctions. Freightliner s components are known for durability, especially in heavy-duty applications.

3. **Accurate Readings** A well-calibrated brake air pressure gauge provides precise readings, which are critical for safe braking performance. This helps prevent issues like low air pressure, which can lead to brake failure.

4. **Easy Installation** Since it is designed for Freightliner trucks, installation should be straightforward, especially if you have basic mechanical knowledge or access to a professional. The gauge connects to the existing brake system with minimal modifications.

5. **Maintenance and Replacement** If the gauge fails, replacing it is relatively simple, and since it is a common part, finding a replacement should not be difficult. Freightliner s parts are widely available through dealerships and authorized distributors.

6. **Safety Enhancement** Monitoring brake air pressure in real-time helps prevent accidents caused by brake system failures. This is particularly important for commercial vehicles where brake performance directly impacts safety.

7. **Cost-Effective Long-Term Solution** While the upfront cost may seem higher than some aftermarket alternatives, investing in a quality gauge reduces the likelihood of costly brake system failures or accidents, saving money in the long run.

---

1. **Cost** OEM or high-quality aftermarket brake air pressure gauges can be more expensive than generic or low-quality alternatives. The price may be a barrier for budget-conscious buyers, though the investment is justified by reliability.

2. **Potential Counterfeit Parts** If purchasing from unauthorized sellers, there is a risk of receiving counterfeit or substandard parts. Always buy from reputable dealers or Freightliner-approved suppliers to avoid this issue.

3. **Installation Complexity** While the gauge itself is simple to install, some users may encounter challenges if they lack experience with brake system modifications. Improper installation could lead to inaccurate readings or system malfunctions.

4. **Limited Customization** Unlike some aftermarket gauges, this OEM part may not offer additional features like digital displays, wireless connectivity, or customizable alerts. If advanced monitoring is desired, other solutions may need to be explored.

5. **Warranty Limitations** If purchasing from a non-OEM source, the warranty may be limited or nonexistent. Freightliner s OEM parts typically come with a warranty, but aftermarket parts may not, leaving you responsible for any defects.

6. **Compatibility with Modifications** If the truck has been heavily modified (e.g., aftermarket brake systems, custom wiring), the gauge may not integrate perfectly. In such cases, additional work or a different gauge may be required.

7. **Replacement Parts Availability** While the gauge itself is common, some related components (e.g., wiring harnesses, mounting brackets) may require sourcing, which could add to the overall cost or complexity.

---

The Freightliner 48490-006 rear brake air pressure gauge is a reliable, high-quality choice for monitoring brake system performance in Freightliner trucks. Its OEM compatibility, durability, and accuracy make it a strong investment for safety and peace of mind. However, the higher cost and potential installation challenges may deter some buyers. For most commercial vehicle owners, the benefits outweigh the drawbacks, especially when considering the critical role of brake systems in vehicle safety.

---

If you are looking for a **long-term, reliable solution** for monitoring your Freightliner truck s brake air pressure, this gauge is highly recommended. Purchase it from an **authorized Freightliner dealer or a trusted parts supplier** to ensure authenticity and warranty coverage. If you are on a tight budget, compare it with **high-quality aftermarket alternatives** (e.g., from brands like **Wabco, Bendix, or ACDelco**) that offer similar features but may be slightly less expensive.

For **DIY installation**, follow Freightliner s service manual or consult a professional if you are unsure. If your truck has extensive aftermarket modifications, verify compatibility before purchasing to avoid compatibility issues.

**Final Verdict:** Buy the Freightliner 48490-006 gauge if you prioritize **reliability, accuracy, and OEM quality**. If cost is a major concern, explore well-reviewed aftermarket options while ensuring they meet your specific needs. Always prioritize safety by maintaining proper brake system monitoring.

Details:

Connection Diameter: 1/4 in NPT. Country of Origin: China. It is manufactured to meet OEM specifications and ensures reliable performance long service life. Please double-check all photos, part numbers, and details before purchase to ensure compatibility.

Condition: New, Unused, Uninstalled. Note to Buyer: Please verify your vehicles air pressure gauge requirements and mounting type before purchase ensure proper fit. It provides accurate pressure readings from to 130 psi, allowing drivers monitor air brake system performance and maintain safe operation. The gauge features a rugged construction for durability in commercial vehicle environments, with backbit face clear readings all lighting conditions.

Model / MPN: 22 48490 006. Pressure Range: 130 psi. Mounting Position: Dash / Panel Mount. Whats Not Included: Vehicle dash or panel.

Backbit face for easy reading. Installation hardware not included unless specified. Type: Air Pressure Gauge.

part #: 2248490006 price

• $255.60

specifications pressureswitchiz:

• brand: Freightliner Oem
• mpn: 22-48490-006
• part type: Pressure Brake Gauge
• maximum pressure: 0 130 Psi
• mounting position: Dash Mount / Panel Mount
• connection diameter: 1/4 In Standard Npt Thread
• face diameter: 2 In Analogue Gauge Face
• country of origin: China
• unit type: Unit

seller pressureswitchiz:

• # reviews: 180
• city: Phoenix, Arizona
• rating: 99.5%

offer pressureswitchiz:

• started: February 12, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

returns pressureswitchiz:

• policy: Returns Accepted
• paid by: Seller
• method: Money back
• time: 30 Days

general pressureswitchiz:

• condition: New
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges

shipping pressureswitchiz:

• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, USPS Priority Mail, UPS Ground
• class: Standard, Expedited
• cost: $5.20
• transit: 5-11 Days
• carrier: USPS, FedEx, UPS
• type: Calculated

payments pressureswitchiz:

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

Freightliner Oem 22-48490-006 Is Similar To:

• 12-26774-000 Freightliner By Transducer Pressure Volts (43.1% similar) ...(November 3rd, 2018)