Boost Air System Efficiency with Cummins 3689649 3689649RX Air Compressor

Engineered for ISX15 and QSX15 engines (2010–2024), this single-cylinder compressor weighs just 43.55 lb and delivers reliable compressed air for braking and suspension systems as of June 26, 2025. It’s a key component for fleet operators and repair shops aiming to enhance vehicle efficiency through bulk procurement.

Product Snapshot

• Cross-References: 3690864, 4318220RX, 3685918, 9111530190, 1650320008

• Weight: 43.55 lb

• Specifications: Single-cylinder, compatible with ISX15 CM2350 X101 and QSX15 engines

• Category: Air Compressor for Engine

• Fits:

  • ISX15 (2010–2024)

  • QSX15 (industrial applications)

  • Freightliner Cascadia

  • Kenworth T680

This air compressor powers critical systems like air brakes and suspension, ensuring optimal performance in heavy-duty trucks such as the 2016 Freightliner Cascadia and 2015 Kenworth T680.

Available in new and remanufactured versions (e.g., Tamerx 3689649RM), it offers a one-year or one-million-mile warranty on remanufactured units, reducing maintenance costs.

Its design supports efficient air build-up, aligning with fleet performance needs as of mid-2025.
Need to confirm fitment for your ISX15 or QSX15 engine? Our team is ready to assist.

Volgen Power: Your Efficiency Expert

• Optimized Airflow: Enhances brake and suspension performance

• Bulk Sourcing: Competitive pricing for large-scale fleet upgrades

• Reliable Options: New and remanufactured units with warranties

• Cummins Compatibility: Precision fit for ISX15 and QSX15 engines

Drive Fleet Optimization

The Cummins 3689649 / 3689649RX Air Compressor ensures your ISX15 and QSX15 trucks operate with peak efficiency, supporting safety and cost savings for your fleet as of June 26, 2025.

Its lightweight yet durable design makes it a smart choice for businesses focused on minimizing downtime and maximizing air system reliability in heavy-duty applications.

Order for Savings

Volgen Power delivers the efficiency solutions your fleet demands.

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