Proline® Air Filter HD2 For Stihl MS231 MS251 MS271 MS291 MS311 MS391 MS400C-M 1141 140 4400 BG17 Pitch: 3/8" (9

Pitch: 3/8" (9

11186477000

1988 NX125 A Carburetor

AV Buffer Mount

15-400029-09 MAC 85-SL 12/90 to 07/91

Proline® Air Filter HD2 For Stihl MS231 MS251 MS271 MS291 MS311 MS391 MS400C-M 1141 140 4400 BG17 Pitch: 3/8" (9Proline air filter HD2 for many Stihl chainsaws see list below. Verify this is the correct air filter you need for your model BEFORE purchasing, as some models listed used more than one style part number, depending on manufacture date. We also stock the Fleece style check our store. Please match you part with ours for proper fitment; actual pictures shown. Includes: Air Filter Specs: Hi Flow pleated Air filter Fits MS311 with serial number above 295