EN
Premium Remanufactured Bitzer 4NFCY Bus AC Compressor – Professional-Grade Core Rebuild for Heavy-Duty Commercial HVAC | 12V/24V R134a Available
- Conspectus
- Producta Commendata
Productum Overview
Hunan Weili Auto Parts Appliance Co., Ltd. holds an IATF 16949 certification and is widely recognized as a National High-Tech Enterprise and a provincial "Specialized and Sophisticated" (S3N) "Little Giant" in China's automotive sector. With over 17 years of engineering heritage in commercial vehicle thermal management, we provide high-performance remanufactured compressor solutions that authentically deliver OEM-like capability at a sustainable cost.
Noster compressor Bitzer 4NFCY remanufacturatus est accurate restitutus per rigorem processum «Core Revival». Omnis unitas disgregatur penitus, purgatur precise, et omnia componentia consumptibilia (ut anuli pistonici, rotulæ, sigilla olei, et juncturæ) substituuntur. Partes rotantes attritæ ad tolerentias officinales restituuntur per machinam CNC ad altam peritiam. Ergo, compressor qui fidam frigoris copiam, multo minorem consumptionem energiæ, et excellentem longævitatem praebet, interstitium in suppeditatione pro magnis commerciabilibus vehiculorum turmis explens.
Unlike low-grade aftermarket imitations, our unit is engineered to maintain the original design's thermodynamics and structural integrity. With our in-house R&D partnerships (including top-tier researchers from Tsinghua University and Hunan University), this remanufactured Bitzer is a strategically sound choice for bus fleet operators, commercial AC workshops, and international spare parts distributors looking for quality, affordability, and guaranteed consistency.
Technical Specifications (Hardcore Parameters)
We deliver transparent, industry-compliant specifications to help your engineering and procurement teams make an accurate selection.
| Bitzer 4NFCY Compressor Exemplum: | |
| KV6 -647 cm³ Compressor, KV-6 /667 cm³ Compressor, KV6 /667 cm³ Compressor | |
| 4NFC Compressor, 4-NFC Compressor, 4 NFC Compressor | |
| Cylindrus volumen | -647 cm³ |
| Displacement (1450 rpm) | -56.2 m³/h |
| Displacement (3000 rpm) | -116,4 m³/h |
| Númerus cylindrorum × diametrus × cursus | 4 × 70 mm × 42 mm |
| Intervallo velocitatum permissum | -500…3500 1/min |
| Pondus (sine discō) | 33,0 kg |
| Embreagium magneticum 12 V aut 24 V CC | -LA16 (Optiō) |
| Pondus embreagii magnetici | 10 kg |
| V-Cinguli | 2 × SPB |
| Pressio maxima (BP/SP) | 19/28 bar |
| Connexiō lineae suctionis 35 mm | -1 3/8′ |
| Connection discharge line-35 mm | -1 3/8′ |
| Genus olei | R134aBSE 55(Option) |
| Impensio olei | -2,5 dm³ |
| Calefactor cassae virgae | -70 W 12 or 24 V DC(Option) |
| VALVULA SECURITATIS | -Standard |
| Desiccator olei | -Option |
| Controlle capacitatis | -100–50%(Option) |
Key Performance Features of Our Rebuilt Unit:
Affordable Reliability : Offers up to 40–60% cost savings compared to purchasing brand-new OEM units, while preserving the renowned durability of the original Bitzer architecture.
Strict Rebuilding Protocol : Our 12-step remanufacturing process includes high-pressure helium leak testing (100%), ultrasonic degreasing, and dynamic rotation balancing to guarantee immediate plug-and-play performance.
Zero-Leak Guarantee : Equipped with upgraded Viton (FKM) seals that withstand extreme pressure and temperature changes, ensuring stable performance throughout its operation cycle.
Manufacturing Certifications & Comprehensive Strength
At Hunan Weili, refurbishment is treated as a high-precision engineering discipline. We proudly present our credentials to demonstrate our industry-leading standards:
Accredited Quality Management Systems
IATF 16949 : 2016 Automotive Quality Management Certification (The strictest global standard for automotive parts suppliers).
ISO 9001 : 2008 Standard International Quality Management Certification.
CE & RoHS Compliant to meet strict European safety and environmental regulations.
Status Recognitus : Enterprise Nationalis Technologiae Altissimae et Enterprise Provincialis "S3N Parvus Gigas".
Patentia Independens : Basis technica nostra principalis tenet 4+6 Patentia Inventionis et 17 Patentia Modello Utilitatis, quarum multa in processus nostros examinandorum et reconstruendorum integrata sunt ad qualitatem garantiam.
Facilitates Productionis et Examinandorum Praeclarae
Basis fabricationis : Situs strategice in Zona Nationali Developmentis Oeconomicae Jiuhua, Xiangtan, intra aream fabricae specialis plus quam 20 000 metrorum quadratorum.
Machina excellentis qualitatis : Stationes machinandi CNC automatizatae, lineae purgationis ultrasonicae, et aequilibratores dynamici praecisi certificant ut nucleus physicus normas "quasi-novus" impleat.
Laboratorium Internum Examinandorum : Comprehendit camaras cyclorum temperaturarum altarum et bassarum, aulas mensurae reductionis soni, et bancos experimentorum durabilitatis. Praecipue, omnis compressor reconfectus debet percurrere examen finalem qualitatis 100% antequam ad expeditionem globalem admittatur.
Praesentia Commercialis Internationalis : Our products are exported to over 50 countries and territories including the USA, Italy, Russia, South Korea, Middle Eastern nations, and various African regions, bringing in annual revenues exceeding 90 million RMB.
Expert R&D & Engineering Support
Founder & Strategic Lead : Founder Yang Hao (graduated from the University of Manchester, UK, and actively serves as a member of the Xiangtan CPPCC). Special Advisor Hu Mengjiao (Senior Researcher at the National Laboratory Center, Tsinghua University).
Industry-Academia Integration : Established a specialized long-term research collaboration with the College of Electrical and Information Engineering, Hunan University, focusing on compressor motor control and control system optimization.
Praecipuum Vexillum Inghenierorum : Our senior technicians and mechanical engineers are drawn from industry leaders such as Shanghai Brose Automotive Parts Co., Ltd. and the Nidec Corporation (Japan).
DIVORSUS Applicatio Scenaria
Our remanufactured Bitzer 4NFCY is a smart, sustainable core component for diverse thermal management systems:
Transit & Commercial Bus Air Conditioning : Highly suitable for established Chinese bus marques (Yutong, King Long, etc.) and a preferred option in export fleets to Africa, the Middle East, and Latin America.
Construction & Engineering Vehicle Cabins : Specifically robust against shock and dust, it is frequently installed in the HVAC units of heavy equipment including Zoomlion, SANY, XCMG, Sunward, and Liugong Aolan.
Refrigerated Transport & Cold Chain : A proven partner for Thermo King (USA) and Carrier (USA), playing a critical role in the refrigerated boxes of chilled food, dairy, and pharmaceutical logistics chains.
New Energy & Energy Storage Thermal Management : Adaptable to the rapid NEV evolution, supporting EV climate control, energy storage battery cooling systems, hydrogen fuel cell heat management, and auxiliary cooling for railway transit vehicles.
Global Authorized Agent & Distributor Recruitment
Ex nostris robustis controllis qualitatis et maturis canalibus exportationis, activiter quaerimus societatem cum distributoribus partium automobilium post-mercatum, officinis specializatis in reparatione AC commercialis, provideris manutenctionis flottarum, et grossistis internationalibus catenae supplicationis, ut fiant nostri Agentes Regionales Exclusivi vel Negotiatores Primarii Gradus I.
Cur Eligeris Hunan Weili ut Socius Tuus?
Lucrativitas Sustentabilis : Producta remanufacturata altae qualitatis tibi permittunt praecia competitiva offerre clientibus finalibus, dum magnae margines brutae retinentur. Ut verus fabricator reconstruendorum, nos intermedios incrementos eliminamus.
Deliveria Celerior et Securitas Inventarii : Noster fabrica magnum inventarium physicum retinet tam componentium finitorum quam nucleorum reutilizabilium. Modellos standard processamus et ad deliveriam paratos habemus intra 3–7 dies operativos, quod tempus conversionis inventarii tui notabiliter minuit.
Supportus Technicus Post-Venditionem Bilinguis : We offer a dedicated technical support team fluent in both Chinese and English to assist your local technicians with installation instructions, fault diagnosis, and quick response to any adaptation questions.
Absolute Regional Protection : Strict, enforceable territory mapping and a zero-tolerance policy for cross-regional "grey market" sales. We guarantee exclusive market rights for our official contract partners.
Sales Enablement Kits : We provide comprehensive, localized marketing materials, official IATF 16949 distributor certificates, and sample branding kits to support your participation in regional auto parts exhibitions.
If you command a strong local network in the commercial vehicle parts industry, or operate a successful bus/highway fleet maintenance facility, please reach out to us to establish your exclusive partnership for 2026 and beyond!
Nos Contace Hodie
Hunan Weili Auto Parts Appliance Co., Ltd
Adressa Sede Principalis : Num. 28, Via Jili Occidentalis, Zona Expansionis Oeconomicae Jiuhua, Urbs Xiangtan, Provincia Hunan, Sina
Numerus Telephonicus Globalis Negotiorum (WhatsApp / WeChat) : +86-18670382782
Landline : +86-0731-82034997 / 82034998
E-mail : [email protected]
Official Global Websites :
www.cooliparts.com (Core Remanufacturing & Global Portal)
SEO Meta Descriptio : Compressor AC pro vehicula commercialia Bitzer 4NFCY, directe ex fabrica, praemium remanufacturatus. Rigide restitutus secundum normas qualitatis IATF 16949, partes HVAC pro vehiculis commercialibus 12V/24V R134a. Expeditio globalis celeris. Agentes et distributores per totum orbem desiderantur.
