MCS Aircleaner breather style black or chrome Fits: > 90-17 Bigtwin 88-21 XL Sportster

Aircleaner breather style black or chrome Fits: > 90-17 Bigtwin, 88-21 XL Sportster

    
mounting bracket sold separately
 

Black or chrome With steel mesh; 5.5" (14.5cm) diameter; Fits mentioned models when correct air cleaner support bracket and head vent breather kit is used (sold separately)

Note: See 508375 for replacement foam filter element

Fits: > 90-17 Bigtwin, 88-21 XL Sportster (exclude. e-throttle models)

Part number
509311 / 508797: Fits:> 88-21 XL; 90-17 Bigtwin