Air Brake Compressor Replacement for Cummins ISX Engine (2010+) – Compatible with 3687343 3690864RX 4318220RX 3685918, Heavy Duty 12V Air Compressor for Trucks & Buses

Direct Fit Air Compressor for Cummins ISX Engines (2010+) This heavy-duty air compressor is a direct replacement for Cummins ISX engines manufactured in 2010 and newer. Designed to replace OE part numbers 3687343, 3690864RX, 4318220RX, 3685918, and 4318220, it restores proper air system performance for heavy-duty trucks and commercial vehicles. Compatible With: – Cummins ISX Engines (2010 and newer) – Replaces OE Part Numbers: 3687343, 3690864RX, 4318220RX, 3685918, 4318220 – Applications: Heavy-duty trucks, commercial fleet vehicles Key Features: – Heavy-Duty Construction: Cast iron housing with hardened steel gears for long service life. – Restores Air System Function: Ensures reliable air pressure for brakes and suspension. – Direct Bolt-On Fit: Exact match to OEM mounting points – no modifications needed. – Rigorous Testing: Each unit is tested for pressure output and leak integrity before shipment. What’s Included: – 1 x Air Compressor Why Choose This Air Compressor? Whether you’re maintaining a fleet or repairing your own truck, this compressor delivers the durability and exact fit you need. Backed by a 12-month warranty and 30-day return policy. Fitment Note: Please verify your engine is a Cummins ISX (2010 or newer) and confirm OE part numbers before ordering.

• 1. 【DIRECT OE REPLACEMENT】 Precision-engineered air compressor designed to replace OE part numbers 3687343, 3690864RX, 4318220RX, 3685918, and 4318220. Direct fit for Cummins ISX engines (2010 and newer) – no modifications required.
• 2. 【HEAVY DUTY CONSTRUCTION】 Built with cast iron housing and hardened steel internal components, engineered to withstand the demanding conditions of long-haul trucking. Delivers reliable air pressure for air brake systems, suspension, and auxiliary applications.
• 3. 【RESTORES PROPER AIR SYSTEM FUNCTION】 Replaces worn or failing compressors to restore optimal air pressure output. Ensures consistent performance for air brakes and other critical systems – essential for safety and operational efficiency.
• 4. 【DIRECT BOLT-ON INSTALLATION】 Exact match to OEM mounting points and connection ports. Designed for straightforward replacement by professional mechanics – minimizes vehicle downtime.
• 5. 【12-MONTH WARRANTY & SUPPORT】 Backed by a 12-month warranty against manufacturing defects. Our technical support team is available to assist with fitment verification or installation questions.