New Welcome Industries

Restore your Bitzer 4T (4T.2 / 4TCS) series compressor to factory-spec performance with our comprehensive Compressor Overhaul Kit. Designed for medium and low-temperature refrigeration, this kit provides all the critical mechanical components needed to fix pressure loss, oil consumption, or internal noise issues.

A complete overhaul requires precision-matched parts. Our Bitzer 4T Kit typically includes:

• Piston & Ring Assemblies (4 Sets): High-grade aluminum alloy pistons with precision-ground compression and oil-scraper rings.

• Connecting Rods: Forged rods designed for high-strength durability and perfect alignment with the crankshaft.

• Complete Gasket Set: A full set of non-asbestos gaskets, including cylinder head, valve plate, and crankcase gaskets.

• Valve Plate Assembly: Includes the cast iron plate along with high-fatigue suction and discharge reeds.

• Bearing & Bushing Set: Main bearings and small-end bushings to eliminate mechanical play and vibration.

• Oil Filter/Strainer: To ensure the internal lubrication system remains free of debris.

• Restored Volumetric Efficiency: New pistons and valve reeds ensure your compressor reaches its full cooling capacity quickly.

• Reduced Oil Carryover: Precision-fitted piston rings prevent oil from escaping into the refrigeration lines, keeping your evaporator coils clean.

• Extended System Life: Replacing the wear-and-tear components prevents catastrophic failure of the motor and crankshaft.

• Perfect Fitment: Every part is manufactured to exact Bitzer dimensional standards, ensuring a "first-time fit" for your technicians.

• Ready for IndiaMart: We maintain ready stock of the 4T, 4P, 4N, and 4G series kits for immediate dispatch across India.

• Quality Tested: All components are tested for pressure integrity and thermal resistance to handle the 24/7 demands of industrial cooling.

• Cost-Effective: Achieve a high-quality rebuild at a fraction of the cost of a new compressor unit.

When performing a 4T overhaul, always inspect the Crankshaft for score marks. If the shaft surface is rough, it may damage your new bearings and connecting rods. In such cases, we recommend replacing the crankshaft along with the kit for a total system refresh.

New Welcome Industries: Your trusted partner for Bitzer 4T Series Spare Parts. Providing precision engineering for the backbone of your cooling system.

Do you need a quote for a single 4T Overhaul Kit, or are you looking for bulk pricing for your service center?

New Welcome Industries offers high-quality Bitzer 6G-30.2Y-40P Oil Pump, designed for efficient lubrication in refrigeration compressors. Manufactured from premium-grade materials, it ensures excellent durability, strength, and long service life under high-pressure conditions.
This oil pump maintains proper oil circulation inside the compressor, reducing friction and preventing wear of internal components. It is precision-engineered for accurate fitment and smooth operation, ensuring reliable compressor performance.
Widely used in Bitzer 6G series semi-hermetic compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and suitable for continuous heavy-duty applications.

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New Welcome Industries offers high-quality Bitzer IVY Compressor, designed for efficient and reliable performance in refrigeration and air conditioning systems. Built with premium-grade components, it ensures excellent durability, strong cooling capacity, and long service life under continuous operation.
This compressor is precision-engineered for smooth functioning, low vibration, and high energy efficiency, making it ideal for industrial applications. It provides stable performance with reduced maintenance requirements.
Widely used in cold storage, industrial refrigeration plants, and HVAC systems. Easy to install and highly reliable for heavy-duty commercial use.

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New Welcome Industries offers high-quality Bitzer IIIY Compressor, designed for efficient performance in refrigeration and air conditioning systems. Manufactured with premium-grade components, it ensures excellent durability, strong cooling capacity, and long service life under heavy-duty conditions.
This compressor is precision-engineered for smooth operation, low vibration, and high energy efficiency, making it suitable for continuous industrial use. It delivers reliable compression performance with minimal maintenance requirements.
Widely used in cold storage, industrial refrigeration plants, and HVAC systems. Easy to install and highly dependable for commercial and industrial applications.

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New Welcome Industries is a leading supplier of Bitzer 4PES-12Y-40 Piston, designed for high efficiency and reliable performance in refrigeration and air conditioning compressors. This piston is manufactured using premium-grade alloy materials, ensuring excellent strength, durability, and resistance to high temperature and pressure conditions.

The Bitzer 4PES-12Y-40 piston is precision-engineered to deliver accurate fitment and smooth movement inside the compressor cylinder. It helps maintain proper compression, reduces friction, and enhances the overall efficiency of the compressor system. The robust construction ensures long service life with minimal maintenance, making it ideal for industrial and commercial cooling applications.

This piston is widely used in Bitzer compressors for refrigeration plants, cold storage units, and HVAC systems where consistent performance and reliability are essential. Easy installation and high compatibility make it a preferred choice for technicians and industries.

Key Features:

• High-quality Bitzer compressor piston
• Model: 4PES-12Y-40
• Strong and durable alloy construction
• Excellent heat and pressure resistance
• Precision fit for smooth operation
• Improves compressor efficiency
• Long service life and low maintenance
• Suitable for industrial and commercial use

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New Welcome Industries offers high-quality Bitzer 6F2 Compressor Piston, designed for efficient performance in refrigeration compressors. Manufactured from premium-grade alloy materials, it ensures excellent durability, strength, and resistance to high temperature and pressure conditions.

This piston is precision-engineered for accurate fitment (approx. 82mm size), ensuring smooth movement and proper compression inside the cylinder. It helps reduce friction, minimize wear, and improve overall compressor efficiency and performance.

Widely used in Bitzer 6F2 reciprocating compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and suitable for continuous heavy-duty applications.

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New Welcome Industries offers high-quality Replacement Kit for Bitzer 4P Compressor, designed for complete maintenance and efficient performance restoration. This kit includes essential components such as piston, piston ring set, valve plate, gasket set, connecting rod, and bearings, ensuring smooth and reliable compressor operation.

Manufactured from premium-grade materials, all parts ensure excellent durability, precision fitment, and long service life under high pressure and temperature conditions. The kit helps reduce downtime, improve compressor efficiency, and extend overall equipment life.

Widely used in Bitzer 4P series compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and ideal for heavy-duty applications.

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New Welcome Industries offers high-quality Carrier 5H46 Piston, designed for efficient performance in refrigeration and air conditioning compressors. Manufactured from premium-grade alloy materials, it ensures excellent strength, durability, and resistance to high temperature and pressure.
This piston is precision-engineered for accurate fitment, providing smooth operation and maintaining proper compression. It helps reduce friction and wear, improving overall compressor efficiency and performance.
Widely used in Carrier 5H46 compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and highly reliable for heavy-duty applications.

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New Welcome Industries offers high-quality Voltas 5H46 Piston, designed for efficient performance in refrigeration and air conditioning compressors. Manufactured from premium-grade alloy materials, it ensures excellent strength, durability, and resistance to high pressure and temperature conditions.
This piston is precision-engineered for accurate fitment, providing smooth operation and proper compression for effective cooling performance. It helps reduce friction and wear, ensuring long service life and low maintenance.
Widely used in Voltas 5H46 compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and highly reliable for continuous heavy-duty applications.

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New Welcome Industries offers the high precision Bitzer 2N Oil Pump specifically engineered for industrial refrigeration compressors to ensure superior lubrication and maximum operational efficiency our premium quality oil pumps are manufactured using heavy duty materials to maintain consistent oil pressure across all Bitzer 2N series models ensuring every internal component is protected against friction and wear even during continuous high pressure cycles this robust oil pump is designed for a perfect fit and features a high performance internal gear mechanism that guarantees a steady flow of lubricant to the crankshaft and bearings the durable construction of our Bitzer replacement pump ensures it can withstand extreme temperature variations within the crankcase making it an essential component for preventing compressor failure and extending system lifespan trust New Welcome Industries for reliable Bitzer compressor spare parts that meet international quality standards and keep your cooling systems running at peak performance with minimal maintenance for your industrial and commercial needs.

New Welcome Industries offers high-quality Carrier 06D-75 / 06D-68 Piston, designed for efficient performance in refrigeration and air conditioning compressors. Manufactured from premium-grade alloy materials, it ensures excellent durability, strength, and resistance to high temperature and pressure.
This piston is precision-engineered for accurate fitment, providing smooth operation and improved compressor efficiency. It helps reduce friction and wear, ensuring long service life and low maintenance.
Widely used in Carrier 06D series compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and highly reliable for heavy-duty applications.

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New Welcome Industries is a leading supplier of Carrier 06D Ring Set, designed for efficient performance in refrigeration and air conditioning compressors. This ring set is manufactured using high-quality materials to ensure excellent durability, heat resistance, and long operational life in demanding industrial conditions.

The Carrier 06D ring set provides superior sealing, which helps maintain proper compression, reduce oil consumption, and improve overall compressor efficiency. It is precision-engineered for accurate fitment, ensuring smooth functioning and minimizing wear and tear of internal components.

Widely used in Carrier compressors for refrigeration plants, cold storage units, and HVAC systems, this ring set ensures reliable and consistent performance. Easy to install and low maintenance, it is ideal for industrial and commercial applications.

Key Features:

• High-quality Carrier compressor ring set
• Model: 06D
• Excellent sealing and compression performance
• Heat and wear resistant material
• Precision design for perfect fit
• Improves compressor efficiency
• Long-lasting and durable
• Suitable for industrial and commercial use

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New Welcome Industries offers high-quality Carrier 5F 20 / 30 / 40 / 60 Liner, designed for efficient performance in refrigeration compressors. Manufactured from premium-grade cast iron and alloy materials, it ensures excellent durability, wear resistance, and long service life under heavy-duty operating conditions.
This compressor liner provides smooth piston movement and proper sealing inside the cylinder, helping maintain accurate compression and improving overall system efficiency. It is precision-engineered for perfect fitment and reliable performance.
Widely used in Carrier 5F series compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and highly suitable for continuous heavy-duty applications.

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New Welcome Industries offers high-quality Voltas 5F 20 / 30 / 40 / 60 Liner Assembly, designed for efficient performance in refrigeration compressors. Manufactured from premium-grade cast iron and alloy materials, it ensures excellent durability, wear resistance, and long service life under heavy-duty conditions.
This liner assembly provides smooth piston movement and proper sealing inside the compressor cylinder, helping to maintain correct compression and improve overall efficiency. It is precision-engineered for accurate fitment and reliable operation.
Widely used in Voltas 5F series compressors for industrial refrigeration, cold storage, and HVAC systems. Easy to install and suitable for continuous commercial applications.

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New Welcome Industries is a trusted supplier of Carrier 06D-75 Ring Set, designed for high efficiency and reliable performance in refrigeration and air conditioning compressors. This ring set is manufactured using premium-quality materials to ensure excellent durability, heat resistance, and long service life under heavy-duty working conditions.

The Carrier 06D-75 ring set provides superior sealing performance, helping maintain proper compression, reduce oil consumption, and enhance overall compressor efficiency. It is precisely engineered for accurate fitment, ensuring smooth operation and minimizing wear and tear of internal components.

Widely used in Carrier compressors for industrial refrigeration systems, cold storage units, and HVAC applications, this ring set ensures consistent and dependable performance. Easy installation and low maintenance make it a preferred choice for technicians and industries.

Key Features:

• High-quality Carrier compressor ring set
• Model: 06D-75
• Excellent sealing and compression performance
• Heat and wear resistant material
• Precision fit for smooth operation
• Improves compressor efficiency
• Long service life and durability
• Suitable for industrial and commercial use

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Restore the peak performance of your transport air conditioning with our premium Replacement Valve Plate for Bitzer 4NFCY. Specifically designed for the lightweight, high-speed requirements of the 4NFCY and 4PFCY series, this plate is a critical component for ensuring efficient gas compression and rapid cooling in buses and trucks.

• High-Precision Sealing: The valve plate is precision-lapped to an ultra-flat finish, providing a perfect mating surface for suction and discharge reeds to prevent internal gas bypass.

• Durable Alloy Construction: Manufactured from high-strength, pressure-tight materials that resist warping under the intense thermal cycling typical of mobile HVAC systems.

• Optimized Gas Flow: Features CNC-machined ports designed to reduce turbulence and pressure drops, allowing the compressor to achieve setpoint temperatures faster and with less engine load.

• Transport-Grade Resilience: Built to withstand the constant vibrations and mechanical shocks of road transport without compromising the integrity of the valve seats.

• Refrigerant Compatibility: Fully compatible with R134a and R407C refrigerants and the high-viscosity PAG/POE oils used in vehicle compressors.

• Fuel Savings: A high-efficiency valve plate ensures the compressor reaches its capacity quickly, reducing the duration of the magnetic clutch engagement and saving vehicle fuel.

• Reduced Downtime: Our plates are designed for a "drop-in" fit, matching OEM specifications exactly to ensure a fast and hassle-free installation during maintenance.

• Global Quality Standards: Trusted by fleet maintenance managers and AC technicians on IndiaMart for providing long-lasting, reliable alternatives to expensive OEM parts.

• Ready Stock: We maintain inventory for the 4NFCY series to ensure your fleet stays on the road with minimal delay.

1. Replace Gaskets: Never reuse old gaskets. Always install a new Cylinder Head Gasket and Valve Plate Gasket to ensure a leak-proof seal.

2. Inspect Reeds: When replacing the plate, always check the Suction and Discharge Reeds for cracks or carbon buildup. It is best practice to replace them as a complete set.

3. Torque Settings: Ensure all head bolts are tightened to the specific torque recommended for aluminum-body compressors to prevent stripping or uneven pressure.

New Welcome Industries: Your specialized source for Bitzer 4NFCY Transport Compressor parts. Delivering precision engineering for the road ahead.

Do you need the complete Valve Plate Kit including the reeds, or just the main plate itself?

Get your Bitzer 4P series compressor back to peak operating condition with our professional-grade Overhaul Kit. Specifically designed for models like the 4PCS-10.2, 4PES-12, and 4PFCY, this kit contains all the high-wear mechanical components required for a complete top-to-bottom rebuild.

Our Bitzer 4P Kit is curated to ensure that all reciprocating parts work in perfect harmony. It typically includes:

• 4x Piston Assemblies: Complete with high-silicon aluminum pistons, wrist pins, and circlips.

• 4x Piston Ring Sets: Precision-engineered compression and oil-scraper rings for a gas-tight seal.

• 4x Connecting Rods: Forged high-strength rods with precision-bored big and small ends.

• 1x Complete Valve Plate Assembly: Includes the cast iron plate, suction reeds, discharge reeds, and springs.

• 1x Full Gasket & Seal Set: Non-asbestos gaskets for the cylinder head, valve plate, oil sump, and housing.

• Main Bearings & Bushings: Steel-backed babbitt bearings to restore smooth crankshaft rotation.

• Oil Filter/Strainer: To ensure the longevity of the new components by providing clean lubrication.

• Restored Efficiency: By replacing all 4 cylinder components simultaneously, you eliminate internal pressure imbalances and restore the original cooling tonnage.

• Precision Engineering: Every part in the kit is manufactured to meet or exceed OEM dimensional standards, ensuring a "drop-in" fit without additional machining.

• Reliability for IndiaMart: We are a trusted supplier for refrigeration contractors across India, providing ready-to-ship kits to minimize expensive system downtime.

• Enhanced Life Cycle: Our kits use high-fatigue materials designed to withstand the thermal stress of low-temperature freezing applications.

Pro Tip: When installing the 4P Kit, always clean the crankcase thoroughly to remove any metal shavings from previous wear. After reassembly, it is highly recommended to perform a vacuum test and change the POE/Mineral oil to ensure a moisture-free environment for the new parts.

New Welcome Industries: Delivering the precision and durability your Bitzer 4P compressor needs to run like new.

Would you like the kit for the standard Semi-Hermetic 4P model, or the specialized 4PFCY aluminum version for bus air conditioning?

New Welcome Industries offers the high performance Bitzer 6F2 Oil Pump specifically engineered for industrial refrigeration compressors to ensure optimal lubrication and peak efficiency our premium quality oil pumps are manufactured with high precision to maintain consistent oil pressure across Bitzer 6F2 series models ensuring all internal components remain well lubricated even during continuous heavy duty operation built from durable wear resistant materials this pump is designed to withstand extreme pressure and temperature conditions within the compressor crankcase the robust internal mechanism guarantees a steady oil flow reducing friction and significantly extending the overall lifespan of your cooling system trust New Welcome Industries for reliable Bitzer compressor spare parts that guarantee smooth operation and prevent costly downtime through superior engineering and robust construction making it the ideal choice for refrigeration maintenance professionals and industrial cooling requirements.

New Welcome Industries offers the high precision Bitzer 6F-50.2Y-40P Oil Pump specifically engineered for large scale industrial refrigeration compressors to ensure superior lubrication and peak operational efficiency our premium quality oil pumps are manufactured to meet exact technical specifications for the Bitzer 6F series providing consistent oil pressure to critical internal components even under heavy load conditions the robust construction and high grade materials used in this pump guarantee maximum resistance against wear and tear while the precision internal gear mechanism ensures a steady lubricant flow to the crankshaft and bearings designed for a perfect fit and easy installation this oil pump helps prevent friction related failures and significantly extends the lifespan of your cooling system making it an essential replacement part for maintenance professionals trust New Welcome Industries for reliable Bitzer 6F-50.2Y-40P spare parts that ensure smooth performance and minimize costly downtime in your commercial refrigeration units.

New Welcome Industries offers the high precision Bitzer 4J and 6J Oil Pump specifically engineered for industrial refrigeration compressors to ensure superior lubrication and maximum operational efficiency our premium quality oil pumps are manufactured using heavy duty materials to maintain consistent oil pressure across all Bitzer 4J and 6J series models ensuring every internal component is protected against friction and wear even during continuous high pressure cycles this robust oil pump is designed for a perfect fit and features a high performance internal gear mechanism that guarantees a steady flow of lubricant to the crankshaft and bearings the durable construction of our Bitzer replacement pump ensures it can withstand extreme temperature variations within the crankcase making it an essential component for preventing compressor failure and extending system lifespan trust New Welcome Industries for reliable Bitzer compressor spare parts that meet international quality standards and keep your cooling systems running at peak performance with minimal maintenance for your industrial and commercial needs.

New Welcome Industries provides the high performance Bitzer 6H Oil Pump specifically engineered for industrial refrigeration compressors to ensure optimal lubrication and peak efficiency for your cooling systems our premium quality oil pumps are manufactured with high precision to maintain consistent oil pressure across Bitzer 6H series models ensuring all internal components like crankshafts and bearings remain well lubricated even during continuous heavy duty operation built from durable wear resistant materials this oil pump is designed to withstand extreme pressure and temperature conditions within the compressor crankcase the robust internal mechanism guarantees a steady and reliable oil flow reducing friction and significantly extending the overall lifespan of your equipment trust New Welcome Industries for reliable Bitzer 6H compressor spare parts that guarantee smooth operation and prevent costly downtime through superior engineering making it the perfect choice for refrigeration maintenance and industrial cooling needs on IndiaMart.