The Midland Haldex SS318 air brake compressor, part number 9111530197X, is engineered for Cummins QSX and ISX engines. This compressor features an 85mm bore and delivers 18.7 cubic feet per minute of air output. Port configurations include a M18-1.5 water port, M27-2.0 discharge port, and M10-1.0 governor port, all threaded metric straight. The matched head assembly is 9111539212X. Installation gaskets are included. OEM cross-references are 4318220RX and 3687343. Call us to confirm proper fit for your application before ordering.
A refundable core charge of $490.00 applies to this item and will be collected at checkout. The core charge is refunded upon receipt of your returned core, subject to its condition; customer is responsible for return shipping. Call us at (877) 776-4600 for details.
Features
Model: SS318 air brake compressor
Bore size: 85mm
Output: 18.7 cubic feet per minute (CFM)
Fits Cummins QSX and ISX engines
Ports: M18-1.5 water, M27-2.0 discharge, M10-1.0 governor (all metric straight thread)
Installation gaskets included; head assembly 9111539212X
Tech Specs
- Model: SS318
- Bore Size: 85mm
- Cubic Feet Per Minute: 18.7
- Water Port: M18-1.5 straight thread
- Discharge Port: M27-2.0 straight thread
- Governor Port: M10-1.0 straight thread
- Head Assembly: 9111539212X
- OEM Cross-Reference: 4318220RX, 3687343
- Application: Cummins QSX / ISX
