Cylinder Heads
Cylinder Heads
October 22, 2026
What is a remanufactured car engine?October 21, 2026
What is engine assembly?The Core of the MZR Engine Family: The Mazda L3 engine (commonly designated as L3-DE, L3-VE with VVT, and the turbocharged direct-injection versions L3-VDT and L3-K9) is the 2.3L
“golden displacement” model in Mazda’s MZR (L-Engine) family.
Ford and Mazda’s Shared Heritage: This platform was developed primarily by Mazda and shares its chassis and engine architecture with Ford (Ford Duratec 23).
Technical Features: The L3 cylinder head is constructed from lightweight, high-strength aluminum alloy and features a dual overhead camshaft (DOHC)
and 16-valve configuration. Subsequent versions incorporated S-VT (Sequential Valve Timing) and DISI (Direct Injection/Turbocharging) technologies, making it a core component in Mazda and Ford’s
flagship models from the 2000s through the early 2010s.
Our products are exported to various parts of the country, and the customers we have worked with have received unanimous praise. The company has invested over 20 million yuan in high-end remanufacturing equipment imported from abroad and a first-class production team in the country. Our warehouse has a total area of over 8000 square meters, with scientific management and sufficient supply of goods.
Key Technical Specifications:
Engine Displacement: 2.3 L (2261 cc / 138 cu. in.)
Cylinder Configuration: Inline-4 (I4)
Valve Train: DOHC (Dual Overhead Camshaft), 4 valves per cylinder (16 valves total), most versions feature VVT (Variable Valve Timing)
Bore × Stroke: 87.5 mm × 94.0 mm
Material: High-strength, lightweight cast aluminum alloy
Intake Configuration: Naturally aspirated (N/A) / Turbocharged direct injection (DISI Turbo, depending on the specific model)
Vehicle Applications:
Mazda 3 (predecessor to the Axela): 2004–2009 (2.3L L3-VE) / Mazdaspeed3 (L3-VDT)
Mazda 6 (predecessor to the Atenza): 2003–2008 (2.3L L3-VE) / Mazdaspeed6
Mazda CX-7: 2007–2012 (2.3L Turbo L3-K9)
Mazda Tribute: 2005–2008 (2.3L)
Mazda MPV / Mazda 5: Select model years with 2.3L engines
Ford Focus / Escape / Ranger: (Share the Duratec 2.3L cylinder head architecture)
OE Reference Numbers:
Mazda OE Part Numbers: L309-10-090B, L30910090M, L30910090D (Commonly used for 2.3L L3-VE / L3-DE naturally aspirated versions)
L3Y1-10-090F, L3N5-10-090L (U.S. spec 2.3L replacement part numbers)
L3K9-10-090G (2.3L L3-Turbo DISI turbocharged version)
Common for naturally aspirated engines: L3Y1-10-090E, L3N5-10-090L, L309-10-090 series
Final confirmation must be based on the vehicle’s VIN and engine code (turbo and naturally aspirated cylinder heads are not interchangeable)
| Model Number | L3 |
| Place of Origin | Guangdong, China |
| Condition | New |
| Purpose | for replace/repair |
| Type | Gas / Petrol Engine |
| Power | OEM Standards |
| Quantity (pieces) | 1 - 10 | 11 - 50 | > 50 |
| Lead time (days) | 7 | 15 | To be negotiated |
1. Our remanufactured products use accessories provided by well-known brand suppliers such as VICTORREINZ, SCHAEFFLER, KS KOLBENSCHMIDT GmbH, etc.
2. Our product quality is close to the original factory quality, but the price is only 50-60% of the original engine. We can also provide you with a one-year or 100000 kilometer warranty service for the entire machine, and professional after-sales personnel will follow up with you.
3. We have over 15 years of experience in the production and research of automotive engines, and our technical level and personnel training are very scientific and mature. Customers who have worked with us have expressed their agreement with our products and after-sales service.
4. 2018 It has achieved an annual production capacity of 2200 units and has become a major supplier of high-end engine remanufacturing and parts in China's automotive aftermarket.
5. In April 2021, T/CAAMTB passed the certification company of China Automobile Research and Huacheng. 19-2019 Certification of the management system requirements of gas vehicle parts remanufacturing enterprisesIn October 2021, he became a member of the National Green Manufacturing Technology Standardization Committee and participated in the drafting of the Technical Specification for Assembly of Remanufacturing Mechanical and Electrical Products.
October 22, 2026
What is a remanufactured car engine?
October 21, 2026
What is engine assembly?
July 29, 2026
How to Choose a Reliable Engine Supplier
