The Outerwears ATV Pre-Filter, manufacturer part number 20-1056-01, is designed to fit K&N SU-4588 air filters used on select Suzuki LT500R Quadracer models. This protective filter cover helps shield the underlying air filter from dirt, dust, sand, and other trail debris while supporting reliable airflow for off-road riding.
Built for powersports applications, the Outerwears pre-filter provides an added layer of protection in demanding riding conditions. Its design helps reduce the amount of contamination reaching the primary air filter, which can support longer service intervals and simplify routine filter maintenance. The cover is intended for riders who need dependable intake protection during recreational, racing, and utility-focused ATV use.
Fitment includes the 1987, 1988, 1989, and 1990 Suzuki LT500R Quadracer when equipped with the K&N SU-4588 air filter. Verify the existing filter application before installation to ensure proper compatibility. The Outerwears brand and manufacturer part number 20-1056-01 provide a direct reference for identifying the correct pre-filter for this application.
Features:
- Brand: Outerwears
- Product type: ATV air filter pre-filter
- Model: ATV Pre-Filter for K&N SU-4588
- Manufacturer part number: 20-1056-01
- Vendor part number: 25-5845
- Filter application: K&N SU-4588
- Fitment: 1987-1990 Suzuki LT500R Quadracer
- Protection: Helps guard the primary air filter against dirt, dust, sand, and trail debris
- Use: Designed for off-road ATV riding and demanding powersports conditions
Fitment:
1987 Suzuki Lt500R Quadracer
1988 Suzuki Lt500R Quadracer
1989 Suzuki Lt500R Quadracer
1990 Suzuki Lt500R Quadracer