Sunair CO-2179CA – 7H15 Sanden‑Style A/C Compressor

Built for heavy‑duty uptime, the Sunair CO-2179CA is a 7H15 Sanden‑style, direct‑mount compressor with an 8‑groove PV8 serpentine clutch (119 mm) and a 12V coil. Featuring Sanden head 4418 and PT‑4054 pad ports, it aligns with common OE hose manifolds for quick, clean replacements across on‑highway trucks, buses, and off‑highway equipment running R134a.

Key Specifications

• Compressor type: 7H15 (Sanden style)
• Mounting: Direct Mount (DM)
• Pulley/Clutch: PV8, 119 mm (4.69 in) diameter
• Coil Voltage: 12V
• Head/Ports: 4418 head, PT‑4054 pad
• Belt type: Serpentine (8‑groove)
• Refrigerant: R134a
• Oil specification: PAG 46
• Terminals: 2‑pin
• Country of Origin: Malaysia
• Sunair PN: CO-2179CA

Cross References

Direct replacement or functional equivalent for common 7H15 applications, including:

• Sanden: 4418, 4277, U4418, U4277, 4277U1
• Navistar: 3582435C1, C2, C3, C4, C92
• Road Choice: RCACC3160, RCACC3168; Fleetrite: FLT4418Q
• Four Seasons: 168582; UAC: CO4418, CO4418C
• MEI/Air Source: 5393, 54277; Omega: 2004418
• Additional: Kysor 1401389/1401494/1410088 and others

See full interchange list above for more references.

Installation Best Practices

• Verify head/port style (4418, PT‑4054) and pulley/clutch size (PV8, 119 mm) against the unit being replaced.
• Flush the system, replace the receiver‑drier/accumulator and orifice tube/expansion valve, and evacuate to remove moisture.
• Fill and balance PAG 46 oil per system specification and verify total system charge with R134a.
• After installation, cycle the clutch and check for correct belt alignment, amperage draw, and leak‑free operation.

What’s Included

• Complete compressor assembly with pre‑installed PV8 119 mm clutch and 12V coil

Typical Applications

Late‑model heavy‑duty trucks and vocational vehicles, school and transit buses, agricultural and construction equipment using Sanden 7H15‑style direct‑mount compressors.