The BT5-2521213 Valeo TM31 Compressor is designed to restore reliable refrigerant compression in bus and heavy-duty mobile A/C systems. This Seltec/ Valeo TM31 compressor uses a 10-cylinder design with a 140 mm clutch diameter and 8-groove serpentine pulley, making it a solid fit for applications that require high-capacity cab cooling.
Because compressor performance affects the entire A/C system, using the correct replacement helps support cooling efficiency, system reliability, and component life. This unit features a direct-mount configuration, splined shaft, top fitting port position, and male insert O-ring #10 and #12 fittings for proper system compatibility.
Key Features
- BTRAC Part Number: BT5-2521213
- MEI Part Number: 5899V
- Manufacturer Number: 10046540
- Other OE Sanden Number: 10368540
- Additional OE Sanden Number: 2521213
- Model: TM31
- Voltage: 12V
- Clutch Diameter: 140 mm
- Pulley: 8-groove serpentine
- Compressor Displacement: 15.6 cu. in.
- Cylinder Count: 10 cylinders
- Refrigerant Type: R134a
- Oil Type: PAG46
- Factory Oil Charge: 500 cc
- Mounting Type: Direct mount
- Rotation: CW
- Fitting Port Position: Top
- Fitting Style: Male Insert O-Ring #10 & #12
- Wire Type: 1-wire bullet
- Shaft Type: Splined shaft
Product Specifications
| Specification | Details |
|---|---|
| Part Number | BT5-2521213 |
| Product Type | A/C Compressor |
| Brand | Valeo / Seltec |
| MEI Part Number | 5899V |
| Manufacturer Number | 10046540 |
| Other OE Sanden Number | 10368540 |
| Additional OE Sanden Number | 2521213 |
| Model | TM31 |
| Head Type | TM31 |
| Application | Bus Applications |
| Description | Seltec TM31 comp. w/ 8 gr, 12V |
| Voltage | 12V |
| Clutch Diameter | 140 mm |
| Number of Grooves | 8 groove |
| Belt Type | Serpentine |
| Number of Cylinders | 10 cyl |
| Compressor Displacement | 15.6 cu. in. |
| Factory Oil Charge | 500 cc |
| Oil Type | PAG46 |
| Refrigerant Type | R134a |
| Mounting Type | Direct mount |
| Rotation | CW |
| Fitting Port Position | Top |
| Fitting Style | Male Insert O-Ring #10 & #12 |
| Wire Type | 1 Wire bullet |
| Shaft Type | Splined shaft |
| O-Ring #1 | 0015 |
| O-Ring #2 | 0017 |
| Diode Protection | None |
| Replacement Clutch Assy. | 5079 |
| Replacement Head Assy. | NSS |
| Sight Glass Location | Repl. PNO 50031 (set 2) |
Cross References / Interchange Numbers
Interchange Numbers:
300-6780, 400-036, 51603, 51604, 5899V, ABP N83 304619, 340-4030, 937802, 05-46540, 2521213, 17-31248-00, 18-60012-11, 502-213A, ABPN83304619, 20-10283, PTAC51603, PTAC51604, PTAC5899V, 75R8662, RD-5-8767-0, 103-68540, 488-46540, 500620-1570, 300-6780A, 512204, 512264, 03-3798V, 36220, 44621, T4900, 50-4210, QP31-1213, 506-910
Fitment / Application Notes
This compressor is intended for bus A/C applications and may interchange with a wide range of heavy-duty mobile HVAC systems using the TM31 platform. Always confirm mounting style, clutch diameter, pulley groove count, fitting configuration, port position, voltage, and rotation before ordering.
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