- MHD Part #: CO-6333CA
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- Brand: Sunair
Sunair CP21 TM/CP-Style A/C Compressor, 12V, PV10 127 mm Clutch, Direct-Mount Pad PT-4054 (CO-6333CA)
Heavy-duty CP21 TM/CP-style A/C compressor with 127 mm PV10 serpentine clutch and 12V coil for R-134a systems.
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Sunair CO-6333CA is a CP21 TM/CP-style heavy-duty A/C compressor engineered for reliable cooling in commercial truck, bus, and off-highway applications. The unit features a direct-mount PT-4054 pad, 127 mm (5.00 in) PV10 clutch pulley, and a 12V clutch coil for OE-equivalent fit and performance on R-134a systems.
Key specifications
- Compressor type: CP21 (TM/CP style)
- Mounting: Direct mount pad, PT-4054
- Pulley/clutch: 127 mm (5.00 in) PV10, serpentine
- Coil voltage: 12V
- Electrical: 2-pin clutch connector
- Refrigerant: R-134a
- Oil specification: PAG 46 (follow OEM quantity requirements)
- Country of origin: Malaysia
- VMRS: 001-001-002 (A/C Compressor)
Cross-references
- Air Source / MEI: 51624, MEI51624
- Global Parts Distributors (GPD): 7513036
- Navistar: 2606010C91, 3978157C1, 3978157C2
- Omega Environmental: 2067248
- Valeo: 10367248, 10367284
Applications & fitment guidance
Common on select Navistar/International and other heavy-duty platforms using a CP21 TM/CP-style compressor with PT-4054 pad mount and a 127 mm PV10 serpentine pulley. Always verify by OE number and the specifications above before ordering.
Service notes
- Flush the system, replace the receiver-drier/accumulator and orifice/expansion device, and evacuate to deep vacuum before charging.
- Charge R-134a by weight per OEM spec and add PAG 46 oil to the system to the correct total fill amount.
- Set clutch air gap to specification and confirm belt alignment/tension on PV10 drives.
- After installation, leak-test and verify stabilized pressures and vent temperatures.
Product Features
- CP21 TM/CP-style direct-mount design matches common heavy-duty brackets for fast, drop-in replacement.
- 127 mm PV10 serpentine clutch maintains positive belt engagement for consistent cooling performance.
- 12V clutch coil integrates with standard medium- and heavy-duty electrical systems for easy wiring.
- R-134a compatibility delivers OE-equivalent performance and serviceability across fleet A/C programs.
- PAG 46 oil specification aligns with industry practice to protect seals and internal components when serviced correctly.
- Two-pin clutch connector streamlines installation and reduces wiring guesswork during replacement.
- PT-4054 pad mount minimizes adaptation and helps reduce installation time in the bay.
- Designed for OEM-equivalent fit and function to help fleets restore cabin comfort reliably under load conditions.
Product Specifications
| Brand: | Sunair |
|---|---|
| Part Number: | CO-6333CA |
| Category: | Air Conditioning and Heating |
| Sub-Category: | Compressors |
| Product Type: | TM / CP Style |
| Compressor Type: | CP21 |
| Body Type: | Direct Mount |
| Mounting Pad: | PT-4054 |
| Belt Type: | Serpentine |
| Grooves: | PV10 |
| Clutch Diameter (mm): | 127 |
| Clutch Diameter (Inch): | 5 |
| Voltage: | 12v |
|---|---|
| Terminal Quantity: | 2 |
| Terminal Type: | Pin |
| Refrigerant Type: | R134A |
| Oil Type: | PAG 46 |
| Country of Origin: | MALAYSIA |
| VMRS: | 001-001-002 |
| SPN: | CO-6333CA |
| Shipping Weight: | 18.00 (lbs) |
| Shipping Height: | 7.87 (in) |
| Shipping Width: | 7.09 (in) |
| Shipping Length: | 10.63 (in) |
| Name | Interchange |
|---|---|
| Air Source | 51624, MEI51624 |
| Global Parts Distributors LLC | 7513036 |
| Navistar | 2606010C91, 3978157C1, 3978157C2 |
| Omega Environmental Technologies | 2067248 |
| Valeo | 10367248, 10367284 |
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