The Meritor SS1200 air dryer, part number S4324210400 or S432-421-040-0, is a genuine ZF WABCO coalescing unit built for heavy-duty compressed air systems. It runs on 12 volts and features a 100-watt heater element along with an integrated turbo cutoff valve (TCV). The coalescing cartridge removes 99.9% of oil and particulate before air moves downstream, protecting valves, chambers, and ABS components. Cartridge service life runs up to 24 months in standard service or 12 months in severe-duty applications; the replacement cartridge is R950068A. Port sizing: supply and delivery ports are 0.50 in.-14 NPTF, while the control and purge tank ports are 0.25 in.-18 NPTF. Call us to confirm proper fit for your application.
Features
Coalescing cartridge removes 99.9% of oil and particulate from downstream air
12-volt operation with 100-watt integrated heater element
Turbo cutoff valve (TCV) included
Supply and delivery ports: 0.50 in.-14 NPTF; control and purge tank ports: 0.25 in.-18 NPTF
Replacement cartridge: R950068A (up to 24 months standard service, 12 months severe service)
Genuine ZF WABCO/Meritor OEM unit; also referenced as S432-421-040-0
Tech Specs
- Model: SS1200
- Voltage: 12V
- Heater: 100-watt
- Cartridge Type: Coalescing
- Turbo Cutoff Valve (TCV): Yes
- Supply Port - Port 1: 0.50 in.-14 NPTF
- Delivery Port - Port 21: 0.50 in.-14 NPTF
- Control Port - Port 4: 0.25 in.-18 NPTF
- Purge Tank Port - Port 22: 0.25 in.-18 NPTF
- Replacement Cartridge: R950068A
- Cartridge Life (Standard Service): Up to 24 months
- Cartridge Life (Severe Service): Up to 12 months
- Brand: ZF WABCO (Meritor)
- Part Number: S4324210400 or S432-421-040-0
- Production Number: 432 413 040 0
- VMRS Code: 013-010-252
