| Brand | Genuine GM / Vauxhall / Opel (Factory Original OEM Part) |
| Manufacturer Part Number | 39030321 |
| Component Type | Engine Air Cleaner Filter Element |
| Chassis Architecture | Global GM Delta Platform |
| Filter Media | High-Density Multi-Layer Embossed Pleated Paper |
| Fitment Type | Direct Replacement Drop-In Eco Panel |
| Condition | Brand New in Original Factory Box |
Protect your engine's combustion chambers, maximize throttle response, and maintain peak fuel economy with this **Genuine OEM GM Engine Air Filter (39030321)**. Engineered under General Motors' global Delta platform specifications, this original equipment filter serves as a direct drop-in panel element for multiple powertrain platforms across North American and European markets.
Forced induction engines (including modern downsized petrol turbos and high-torque CDTi/LH7 diesel systems) rely heavily on precise intake air volume calculations. Cheap aftermarket air filters frequently feature poorly calibrated paper densities or incorrect pleat spacing, which either chokes air delivery or permits fine abrasive particulate matter to bypass the airbox. This abrasive grit quickly fouls Mass Airflow (MAF) sensors and scores delicate internal cylinder liners. This factory-original filter utilizes premium embossed media and a resilient polyurethane sealing border to prevent air bypass and deliver 99%+ filtration efficiency.
- High-Capacity Media Pleats: Optimized pleat geometric design ensures uniform dust retention capabilities without causing high-RPM restriction.
- Resilient Rubber Gasket Seal: Precision-molded perimeter seal compresses perfectly within the factory airbox housing to shut out road dust and moisture.
- MAF Sensor Safeguard: Calibrated airflow rate dynamics match strict factory engine control module (ECM) parameters to keep trouble codes off your dash.
| Make / Brand | Model / Chassis Platform | Production Years | Engine & Layout Specifications |
|---|---|---|---|
| Chevrolet | Cruze (Diesel Models) | 2017 – 2019 | Exclusively fits 1.6L L4 Turbocharged Diesel (Engine Code: LH7). Fits 4-Door Sedan and 4-Door Hatchback body configurations. |
| Vauxhall / Opel | Astra (K Generation / Mk7) | 2015 – 2022 | European/UK Market. Comprehensive coverage including 1.0L Turbo, 1.4L Turbo, and 1.6L CDTi Diesel powertrains. |
Engine air filters can suffer crushed pleats or torn rubber gaskets if compressed inside flimsy mailing bags. We ship all filter units flat inside a rigid corrugated outer box surrounded by impact padding to ensure the filter elements arrive in flawless structural condition. Dispatched tracked within 1 business day.
We offer a clear 30-day return policy. For automated warehouse credit processing, returned air filters must remain completely unused (no dark spots, debris, housing grease lines, or latch pin scuffs) and must be returned inside the original, unmarked factory GM/Vauxhall packaging with all barcode labels fully intact.