A/C Compressor 88310‑52551 88310‑2B720 For TOYOTA Yaris Vitz Vios — AC Compressor 5SER09C 1NZ‑FE 1.5L

TOYOTA Yaris 1.5L AC Compressor 88310‑2B720 5SER09C

Product Description

The Air Conditioning Compressor with OEM numbers 88310‑52551 and 88310‑2B720 is a verified direct‑fit replacement for the TOYOTA Yaris (XP90 2005–2011), Vitz (NCP91 2005–2011), Vios (XP40/XP90 2007–2012) , as well as related Toyota models including Belta, Ractis, Sienta, Raum, Scion xD, Ist, and Toyota Avanza. It is engineered specifically for the 1NZ‑FE 1.5L inline‑4 gasoline engine, as well as 1ND‑TV 1.4L Diesel, 1NR‑FE 1.3L, and 2SZ‑FE 1.3L engines depending on market configuration.

The air conditioning compressor is the heart of the vehicle's climate control system. This 5SER09C / 5SE09C fixed‑displacement compressor is belt‑driven from the engine crankshaft pulley via a serpentine belt and electromagnetic clutch assembly. When the A/C system is activated, the ECU energizes the clutch coil, engaging the compressor pulley to drive the internal swashplate mechanism, which compresses low‑pressure refrigerant gas into high‑pressure, high‑temperature vapor before sending it to the condenser.

This OE‑spec compressor is manufactured in IATF 16949 certified facilities and is built to original equipment standards. Denso is the original OE supplier for this Toyota application—Denso 's compressor type number for this family is 5SER09C (sometimes listed as 5SE09C)—and quality aftermarket equivalents match Denso specifications for fit, performance, and durability.

• ✅ OEM Cross‑Reference Verified

The two primary OE numbers (88310‑52551 and 88310‑2B720) are frequently listed as interchangeable by aftermarket suppliers for the same Yaris/Vitz/Vios 1.5L application.

Denso and Supplier Cross‑Reference Numbers:

These compressors have been verified across global Toyota production regions including Japan (TMC), Europe (TMEM), North America (TMMC), China (FAW Toyota, GAC Toyota), and South Africa.

• ✅ Core Technical Data – Precision Fit

• ✅ Vehicle & Engine Fitment – Verified Comprehensive List

TOYOTA YARIS / VITZ (XP90 Platform – 2005‑2011)

The XP90 platform Yaris/Vitz is also known as Toyota Vitz (Japan), Yaris (Europe, Australia, Asia), and Echo (North America — 2007‑2012). Compressor OE numbers 88310‑52551, 88310‑52550, and 88310‑52492 are listed interchangeably across this chassis family. Factory literature confirms every A/C‑equipped vehicle on this platform uses a belt‑driven Denso compressor, with R134a refrigerant and DENSO ND‑OIL 8 lubricant.

TOYOTA VIOS (XP40 / XP90 – 2007‑2012) — 1.5L 1NZ‑FE

For Toyota Vios NCP42 / NCP93 (2007‑2012 1.5L 1NZ‑FE sedan), 88310‑2B720 is the primary number, superseded by 88310‑2B721 for 2010‑2012 models. Also compatible with 10SE13C compressor (some 2012‑2017 Vios/Avanza use this variant).

Additional Compatible TOYOTA Models (verify fitment via VIN or original part number)

• Toyota Belta (ZSP90 / NCP91) – 2005‑2011 (1NZ‑FE, 2SZ‑FE)

• Toyota Ractis (NCP100 / NCP105) – 2005‑2010 (1NZ‑FE)

• Toyota Sienta (NCP81) – 2003‑2010 (1NZ‑FE)

• Toyota Raum (NCP35 / NCP40) – 2003‑2011 (1NZ‑FE)

• Toyota Ist (NCP60 / NCP65) – 2002‑2007 (1NZ‑FE)

• Scion xD (ZSP110) – 2007‑2014 (2ZR‑FE — verify fitment)

• Toyota Auris (E150) – 2007‑2012 (1NZ‑FE, 1NR‑FE)

• Toyota Avanza – 2006‑2017 (1NZ‑FE, 1NR‑FE) — 10SE13C compressor variant

• ✅ Known Failure Patterns & Replacement Indicators

A failing A/C compressor on Toyota Yaris/Vitz/Vios 1.5L typically presents with the following symptoms:

Why Compressors Fail on 1NZ‑FE Platform:

• Clutch coil failure — The electromagnetic coil can overheat and fail open circuit, preventing clutch engagement. Most common after 8‑10 years of service.

• Pulley bearing failure — Serpentine belt tension (approx. 3‑5 mm deflection) places constant load on compressor pulley bearing. Bearing noise (“growling" with A/C off) indicates pulley replacement needed.

• Seal leakage — Front shaft seal wears over time, allowing refrigerant and oil to escape. Visible “green dye" residue (UV leak detection dye from factory) is diagnostic.

• Low refrigerant operation — Running with low refrigerant starves the compressor of oil, causing internal scuffing and seizure.

• Contaminated system — Moisture or debris entering system (e.g., during improper service) damages internal swashplate and pistons.

• ✅ Manufacturing & Quality Standards

This compressor is manufactured in IATF 16949 certified facilities, the internationally recognized automotive quality management standard issued by the International Automotive Task Force (IATF). It outlines strict requirements for product development, manufacturing, assembly, and continuous improvement. ISO 9001:2015 certification is also maintained for quality management systems.

Each compressor undergoes 100% factory testing before packing, including:

• Clutch coil continuity and engagement testing

• Internal pressure and leak testing (helium / dry air method)

• Noise and vibration verification (Anderon meter)

• Performance bench testing at multiple RPM points (random batch sampling)

Features & Benefits

Quality Control & Verification

Installation & Maintenance Recommendations

⚠️ IMPORTANT: A/C compressor replacement requires HVAC system knowledge and specialized equipment (recovery machine, vacuum pump, manifold gauges). Professional installation by qualified A/C technician is strongly recommended.

Why This Part Fails (1NZ‑FE Specific Context)

On the Toyota Yaris / Vitz / Vios 1.5L, compressor failures typically occur after 100,000‑150,000 km (60,000‑90,000 miles) or 8‑12 years of service due to:

1. Clutch coil failure — The electromagnetic coil overheats and fails open circuit, preventing clutch engagement.

2. Pulley bearing wear — Bearing dries out, producing grinding/rumbling noise with A/C off; pulley may seize entirely.

3. Shaft seal leakage — The front shaft seal dries out, allowing refrigerant and oil to escape (visible green dye residue — UV leak detection dye present from factory).

4. Internal swashplate seizure — Caused by lubricating oil starvation from low refrigerant operation, debris contamination, or system non‑condensables.

5. Low refrigerant operation damage — The 5SER09C compressor relies on returning refrigerant to carry oil through the system; low refrigerant reduces oil return, causing internal wear. Most common cause of premature compressor failure.

Recommended Replacement Indicators

• No cold air when A/C is activated — compressor not engaging

• Compressor clutch clicks but no cooling — internal damage

• Grinding / rumbling noise that changes when A/C is switched on/off — pulley bearing failure

• Burning smell from A/C compressor area — clutch coil overheating

• Visible oil residue (often with green UV dye) around compressor body — shaft seal leakage

• DTC P0530/P0531/P0532/P0533 — A/C pressure sensor circuit

• Very high mileage (>150,000 km) with original compressor — preventive replacement

• Any time the A/C system is opened for major repair — replace compressor as preventive measure

Critical Pre‑Installation Requirements – MUST READ

⚠️ DO NOT simply replace the compressor and recharge. The following steps are MANDATORY for a lasting repair:

1. Recover remaining refrigerant — Using recovery machine (required by law). Do not vent R134a to atmosphere.

2. Flush the entire A/C system — Use approved A/C system flushing solvent. Replace receiver‑drier / accumulator — this component is not flushable and traps moisture and debris. Toyota Yaris XP90 uses a receiver‑drier integrated with the condenser on some models, or separate unit — verify configuration on your vehicle.

3. Replace expansion valve (TXV) or orifice tube — These are not flushable. Always replace when opening system for compressor replacement. Toyota Yaris uses a Thermostatic Expansion Valve (TXV) mounted near evaporator inlet.

4. Replace all O‑ring seals — Use green HNBR (H‑NBR) O‑rings rated for R134a and PAG oil. Lubricate new O‑rings with fresh PAG 46 oil before installation.

5. Add correct amount of PAG 46 oil — When replacing only compressor, add 40 ml (1.35 fl oz) of DENSO ND‑OIL 8 (PAG 46) to the new compressor before installation. This is the Toyota factory specification and is printed on the under‑hood A/C label.

6. Install new receiver‑drier / accumulator — Do not reuse old unit — it is saturated with moisture after system opening. Replace regardless of apparent condition.

7. Vacuum system for minimum 30‑45 minutes — Evacuate to at least 500 microns to remove moisture. Hold vacuum for 15‑30 minutes to verify no system leaks. Failure to achieve deep vacuum means existing leak or inadequate evacuation.

8. Recharge with correct R134a weight — Toyota Yaris XP90 specification: 330‑390 g (11.64‑13.76 oz) R134a.

9. Replace A/C drive belt if worn — Serpentine belt should deflect 3‑5 mm under moderate thumb pressure at longest span. Cracks, glazing, or fraying indicates replacement needed.

Installation Steps

Tools required:

• A/C recovery machine

• Manifold gauge set (R134a compatible)

• Vacuum pump (2‑stage, capable of 500 microns)

• A/C system flushing equipment

• Torque wrench (5‑30 Nm range)

• Socket set (10‑12 mm for compressor mounting bolts)

• Belt tension gauge

• PAG 46 oil (DENSO ND‑OIL 8 specification)

• New receiver‑drier / accumulator

• New expansion valve (TXV)

• New O‑ring set (green HNBR)

• Safety glasses and gloves

Installation Steps:

1. Recover refrigerant — Machine recovery of R134a from system.

2. Disconnect battery — Negative terminal for safety.

3. Remove A/C drive belt — Release tensioner, slide belt off compressor pulley.

4. Disconnect electrical connector — From compressor clutch coil.

5. Remove discharge and suction hoses — Cap open lines immediately to prevent contamination. Note: Use flare nut wrenches to avoid rounding nuts.

6. Remove mounting bolts — 4 bolts securing compressor to engine block. Refer to vehicle workshop manual for exact locations.

7. Remove old compressor.

8. Flush all A/C components except compressor and receiver‑drier — Use flushing solvent through evaporator, condenser, and hoses. Compressed air dry.

9. Install new receiver‑drier and expansion valve (TXV) — Do not skip — these components trap debris and moisture, and TXV is not flushable.

10. Drain oil from old compressor — Measure drained oil quantity to verify system oil level (should be approx. 40‑50 ml if only compressor was leaking). For non‑leaking system, replace lost oil with PAG 46 based on component replaced:

    • Compressor only: add 40 ml PAG 46 to new compressor

    • Condenser only: add 15‑20 ml

    • Evaporator only: add 40‑60 ml

    • Complete system rebuild: add 85‑120 ml (full system capacity)

11. Add PAG 46 oil to new compressor — Pour into suction port (low‑side) before installation. Rotate compressor shaft by hand 5‑10 times to distribute oil.

12. Install new compressor — Position on mounting bracket. Hand‑start all 4 bolts. Torque to 25 Nm (18 ft‑lb, 255 kgf‑cm) in cross pattern.

13. Reinstall discharge and suction hoses — Use new O‑rings lubricated with PAG 46. Torque to factory specification (consult workshop manual).

14. Reconnect electrical connector — To compressor clutch coil.

15. Reinstall A/C drive belt — Ensure correct routing. Adjust tension to factory specification (typically 3‑5 mm deflection).

16. Reconnect battery.

17. Vacuum system for 30‑45 minutes — Connect manifold gauges and vacuum pump. Evacuate to at least 500 microns. Close valves, turn off pump, hold vacuum for 15‑30 minutes — vacuum level should not rise above 1,000 microns. If vacuum rises, there is a leak.

18. Recharge system — Add correct weight of R134a: 330‑390 g for Yaris XP90.

19. Start engine and activate A/C — Verify compressor clutch engagement.

20. Check vent temperature — Center vents should reach 5‑8°C (41‑46°F) within 5‑10 minutes of operation at 1,500‑2,000 rpm (recirculation mode, windows closed).

21. Inspect for leaks — Use electronic leak detector or UV lamp (if UV dye present in system) on all connections. Use soapy water on suspect areas (bubbles indicate leak). Revise and reseal any leaking joint before returning vehicle.

22. Clear DTCs — Use diagnostic scan tool to clear any A/C‑related fault codes.

Post‑Installation Verification

• Compressor clutch engages when A/C is turned on (audible click, center of pulley rotates)

• Cold air from vents within 1‑2 minutes of A/C activation

• No unusual noises from compressor (grinding, squealing, rattling)

• A/C drive belt properly tensioned and aligned

• No refrigerant leaks at any connection (confirmed by electronic leak detector)

• Condenser fan operates correctly (both low and high speed as required)

• DTCs clear and no warning lights illuminated

Recommended Maintenance Schedule for 1NZ‑FE A/C System

Packaging & Supply

• Individually sealed in protective packaging (anti‑rust oil coating)

• Packed in foam‑lined carton (branded or plain)

• Note: Receiver‑drier, expansion valve, O‑rings, and PAG 46 oil not included — purchase separately

• Bulk wholesale: 20‑50 compressors per master carton with dividers

• Suitable for: Toyota dealer service centres, independent A/C repair shops, fleet maintenance depots, commercial vehicle parts distributors

Shipping dimensions: Approx. 28*25*20 cm, weight approx. 4.5‑5.5 kg — economical worldwide shipping via DHL / FedEx / UPS

Inquiry Call‑to‑Action

For A/C Compressor 88310‑52551 / 88310‑2B720 — 5SER09C Replacement for TOYOTA Yaris / Vitz / Vios 1.5L 1NZ‑FE:

• ✔️ Wholesale prices for fleets, repair shops, distributors, and A/C service centres

• ✔️ Single unit sample (verify fitment and quality before bulk order)

• ✔️ Bulk order discounts & custom export packaging

• ✔️ QC report & IATF 16949 certification verification on request

Please provide your quantity, destination port, and vehicle details (TOYOTA model: Yaris, Vitz, or Vios; year; engine code 1NZ‑FE; chassis code: NCP91, NCP42, NCP93; VIN if available) . We can cross‑check fitment with OE catalogs to ensure the correct 88310‑52551 / 88310‑2B720 part is supplied. We strongly recommend ordering the receiver‑drier, expansion valve, O‑ring set, and PAG 46 oil together with the compressor for a complete and lasting A/C repair.