K14 Turbocharger for Volkswagen Transporter T4 – ACV AUF AYC AYY Diesel Engines
Product Model & Part Numbers
Turbo Model: K14
OEM & Reference Part Numbers:
53149707018
53149887018
074145701A
074145701AX
074145701AV
(Please confirm engine code and turbo part number before ordering.)
Product Overview
The K14 turbocharger is an OEM-standard replacement specifically designed for Volkswagen Transporter T4 commercial vans equipped with ACV, AUF, AYC, and AYY diesel engines. It is engineered to restore factory boost pressure, airflow stability, and engine efficiency for daily commercial use.
Volkswagen Transporter T4 vans are widely used across Europe and global markets for cargo transport, passenger shuttle services, construction support, and service fleets. Over time, turbocharger wear can lead to reduced power, poor acceleration, excessive smoke, and increased fuel consumption. The K14 turbocharger provides a reliable solution to restore original engine performance and long-term dependability.
Manufactured with heat-resistant alloys and a precision-balanced rotating assembly, this turbocharger ensures smooth boost response, reduced turbo lag, and durability under continuous stop-and-go and highway driving conditions.
Key Features
OEM-Compatible Direct Replacement
Designed to match original Volkswagen T4 turbocharger specifications and OEM part numbers.
Stable Boost Performance
Restores factory boost pressure for consistent torque and power output.
Durable Commercial Design
Built for frequent load changes and long daily operating hours.
Improved Fuel Efficiency
Optimized airflow improves combustion efficiency and reduces fuel usage.
Precision Dynamic Balancing
CHRA is dynamically balanced to minimize vibration and extend service life.
Reliable for Fleet Operation
Suitable for high-mileage vans and professional fleet maintenance programs.
Vehicle & Engine Applications
- Volkswagen Transporter T4
- Engine Codes: ACV, AUF, AYC, AYY
- Diesel commercial vans and people carriers
Who This Turbocharger Is For
This K14 turbocharger is ideal for:
- Commercial van owners and operators
- Logistics and delivery companies
- Passenger transport and shuttle services
- Automotive repair workshops
- Volkswagen parts distributors and wholesalers
Problems This Turbocharger Solves
This turbocharger helps resolve:
- Loss of engine power and acceleration
- Poor torque when the vehicle is fully loaded
- Excessive exhaust smoke
- Increased fuel consumption
- Turbo noise, oil leakage, or bearing wear
By restoring correct airflow and boost pressure, the K14 turbocharger allows the Transporter T4 engine to operate efficiently and reliably.
Benefits
- Restores factory-level engine power and torque
- Improves drivability for loaded commercial vans
- Reduces exhaust smoke and emissions
- Enhances fuel efficiency and operating economy
- Supports long-term engine reliability
Technical Specifications
| Turbo | Specification |
|---|---|
| Turbo Model | K14 Turbocharger |
| Part Numbers | 53149707018 53149887018 074145701A 074145701AX 074145701AV |
| Engine Codes | ACV / AUF / AYC / AYY |
| Vehicle | Volkswagen Transporter T4 |
| Turbo Type | Fixed geometry |
| Cooling Type | Oil-cooled |
| Condition | Brand new |
| Material | Heat-resistant alloy, balanced CHRA |
| Warranty | 6 months |
Installation Guide
Installation Steps
- Allow the engine to cool completely before removing the old turbocharger.
- Drain engine oil and inspect oil feed and return lines.
- Remove intake pipes, exhaust connections, and mounting fasteners.
- Clean intake and exhaust systems to prevent contamination.
- Pre-lubricate the K14 turbocharger with clean engine oil.
- Install according to Volkswagen OEM torque specifications.
- Reconnect oil lines, intake, and exhaust components.
- Start the engine and idle for 3–5 minutes to confirm oil pressure and check for leaks.
Professional installation is recommended for commercial vehicles.
Maintenance Tips
- Use OEM-approved engine oil and follow recommended service intervals.
- Replace air and oil filters regularly.
- Allow short idle time after long or heavy-load driving.
- Avoid sudden engine shutdown after highway operation.
- Periodically inspect turbo connections and hoses.
Typical Usage Scenarios
- Daily cargo and logistics transport
- Passenger shuttle and service vans
- Fleet turbo replacement programs
- Preventive maintenance for high-mileage vehicles
- Professional diesel repair workshops
Frequently Asked Questions (FAQ)
Q1: Is this K14 turbo a direct replacement for VW Transporter T4 vans?
Yes. It matches OEM specifications and listed part numbers for ACV, AUF, AYC, and AYY engines.
Q2: Will this turbo restore lost engine power?
Yes. It restores correct boost pressure, improving torque and acceleration.
Q3: Is professional installation required?
Professional installation is strongly recommended to ensure correct oil priming and fitment.
Q4: What warranty is included?
A 12-month warranty against manufacturing defects is provided.
Q5: Is this turbo suitable for fleet and high-mileage use?
Yes. It is designed for durability and long-term commercial operation.
Why Choose Us
Professional Turbocharger Manufacturer
We specialize in turbochargers for commercial vans, passenger vehicles, trucks, construction equipment, and industrial diesel engines, serving global aftermarket and OEM customers.
Quality You Can Trust
- OEM-standard manufacturing processes
- High-speed dynamic and VSR balancing
- Strict inspection and quality control systems
- Proven performance in real-world applications
About Us
Fengcheng Zhongke Turbocharger Co., Ltd., founded in 2001, is a professional manufacturer of turbochargers, CHRAs, repair kits, turbine shafts, and compressor wheels for automotive, commercial, and industrial engines.
Our products are exported to Europe, North America, South America, the Middle East, and Asia, supporting distributors, workshops, and fleet operators worldwide.
Our Team
Our team consists of experienced turbocharger engineers, quality control specialists, and international sales professionals with deep knowledge of diesel engine systems and commercial vehicle requirements.
This expertise enables us to provide reliable products, accurate technical support, and long-term supply stability.
OEM & Aftermarket Support
- OEM and private label manufacturing
- Bulk and fleet supply solutions
- Technical confirmation before shipment
- Professional after-sales service
Looking for a reliable K14 turbocharger supplier for Volkswagen Transporter T4 vans?
Contact us today for pricing, availability, and technical assistance.
K14 Turbocharger for VW Transporter T4 ACV AUF AYC AYY | OEM Replacement K14 turbocharger for Volkswagen Transporter T4 with ACV, AUF, AYC, AYY engines. Compatible with 53149707018, 074145701A. Restore power and efficiency.
- K14 turbocharger
- Volkswagen Transporter T4 turbo
- VW T4 ACV turbo
- 074145701A turbo
- Commercial van turbocharger
- European diesel van turbo
- OEM VW transporter turbo
- Light commercial vehicle turbo
Racing Turbo GT35 GTX3582R GTX3584R A/R 0.82 T4 V-Band Flange Ball Bearing High-Performance Turbocharger
Regular price
$338.00 USD
