C 37 153/1 ENGINE AIR FILTER FOR 1998-2005 VW AUDI 1.8T 1.9TDI 2.0L

iFJF part No.: FJ-AF1531. Overview The C 37 153/1 Engine Air Filter is a direct OEM-grade replacement designed to keep your Volkswagen and Audi engine breathing clean. Compatible with the widely-used 1.8T, 1.9 TDI, 2.0L, and 2.8L VR6 platforms, this filter delivers superior filtration efficiency and optimal airflow translating to better throttle response, improved fuel economy, and extended engine life. Key Features OEM Replacement: Direct fit for C 37 153/1 / 1J0129620A no modifications needed Premium Media: High-capacity cellulose/synthetic blend traps 99.5% of airborne contaminants Optimized Airflow: Pleat design maximizes surface area without restricting intake flow Wide Compatibility: Covers VW Golf Mk4, Jetta Mk4, New Beetle, Passat B5 & Audi TT Mk1 Easy DIY Install: Tool-free replacement in under 5 minutes Compatibility Table Brand Model Engine Year Range Volkswagen Golf Mk4 1.8T / 1.9 TDI / 2.0L / 2.8L VR6 1999-2005 Volkswagen Jetta Mk4 1.8T / 1.9 TDI / 2.0L / 2.8L VR6 1999-2005 Volkswagen New Beetle 1.8T / 1.9 TDI / 2.0L 1998-2005 Volkswagen Passat B5 1.8T / 2.8L V6 1998-2005 Audi TT Mk1 (8N) 1.8T 2000-2006 Audi A3 8L 1.8T / 1.9 TDI 1996-2003 Specifications Spec Value Part Number (OEM) C 37 153/1, 1J0129620A Filter Type Panel (Engine Air) Media Material Cellulose/Synthetic Blend Dimensions ~320mm ~210mm ~58mm Replacement Interval Every 15,000-30,000 miles or 12 months Why Choose iFJF? ISO 9001 certified manufacturing with strict QC tolerances Every filter media batch tested for flow rate and efficiency Competitive pricing vs dealership save 40-60% Fast shipping from US warehouses (2-5 business days) 30-day hassle-free return policy FAQ Q: Will this fit my 2002 VW Golf 1.8T? A: Yes. The C 37 153/1 is the exact OEM replacement for the Mk4 Golf 1.8T (1999-2005). It drops directly into the factory airbox with no modifications. Q: How often should I replace the engine air filter? A: Every 15,000-30,000 miles or once per year, whichever comes first. If you drive in dusty conditions or off-road, replace every 10,000 miles for optimal protection. Q: What are the symptoms of a clogged air filter? A: Reduced fuel economy, sluggish acceleration, black smoke from exhaust, check engine light (MAF-related codes), and rough idle are common signs your air filter needs replacement. Q: Does this fit the Audi A4 B5? A: No the B5 A4 uses a different air filter design. This fits Golf/Jetta Mk4, New Beetle, Passat B5 (1.8T/2.8L), and Audi TT Mk1/A3 8L. Q: Is a performance air filter necessary for a tuned 1.8T? A: For stock or mildly tuned 1.8T engines (up to ~250hp), this high-flow OEM-style filter provides more than adequate airflow. For high-boost big turbo builds, a cone-style intake may be more appropriate.