Air Filter > CHEVROLET OPTRA / LACETTI / NUBIRA (J200) 1.6L, 1.8L & BUICK EXCELLE > 42390442 > GENUINE PART
✔ Genuine OEM Engine Component (General Motors/Daewoo/Chevrolet)
✔ Part Number: 42390442 (GM Original Equipment/OE Number)
✔ Component Name: Engine Air Filter (Filter Element, Air Cleaner)
✔ Primary Application: GM Global J200 Platform (often referred to as the Daewoo J200/Delta Platform):
* Chevrolet Optra / Chevrolet Lacetti / Chevrolet Nubira (J200 Chassis): Primarily for the 1.6L and 1.8L Petrol Engines (e.g., F16D3, F18D3) (approx. 2003–2013).
* Daewoo Lacetti / Nubira: Original models and variants.
* Buick Excelle: Related models in the Chinese market.
✔ OE Cross-Reference: Often replaces or is interchangeable with GM OE number 96553450.
✔ Filter Type: High-quality Dry Paper Panel Filter (Dimensions typically around $290-304 \text{ mm} \times 219-222 \text{ mm} \times 36 \text{ mm}$).
✔ Function: Filters the air drawn into the engine's intake system, providing clean, low-restriction airflow vital for combustion efficiency and engine protection.
This is a Genuine OEM Engine Air Filter, identified by the General Motors (GM) part number 42390442. This component is the factory-original, standardized part critical for the smooth operation and longevity of the petrol engines found in the Chevrolet Optra (often sold as the Lacetti or Nubira in different global markets). These vehicles utilize the highly common GM J200 platform.
This Genuine Filter is specifically designed to meet the precise air flow and filtration needs of the 1.6L and 1.8L Ecotec/Family 1 Petrol Engines that powered these models. It ensures proper air mass meter readings and prevents particulate matter from causing wear on the cylinder walls and internal engine components.
Using the Genuine Part (42390442) ensures:
Guaranteed Fitment: Manufactured to the exact dimensional specifications for a perfect, airtight seal within the air box housing of the J200 platform.
Optimal Filtration Media: Utilizes specialized media engineered by GM/Daewoo to provide the essential balance of high filtration efficiency and low air flow restriction, critical for maintaining engine power and fuel economy.
Engine Protection: Provides superior, guaranteed protection for the engine against abrasive contaminants.
Regular replacement of this Genuine Filter, according to the vehicle's maintenance schedule, is essential for maintaining:
Engine Health: Preventing premature wear on internal engine components.
Performance: Peak engine output and efficiency.
Compatible Vehicle (Primary Applications - PETROL ENGINES):
Chevrolet Optra / Lacetti / Nubira (J200 Chassis, 1.6L & 1.8L Petrol, approx. 2003–2013)
Daewoo Lacetti / Nubira (J200 Chassis, 1.6L & 1.8L Petrol)
Buick Excelle (Related Models with 1.6L & 1.8L Engines)
Part Number:
✔ 42390442 (Engine Air Filter - Genuine GM/Chevrolet/Daewoo) OE Cross-Reference: 96553450, 6553450
Part Type:
✔ Air Filter (Engine) (Genuine Part)
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