Details:

Genuine Fleetguard AF25858 primary air filter for Peterbilt trucks select makes and models with X12 and ISX12 engines. See applications tab to verify fitment. 

Cross Reference:

• WIX 46919
• Baldwin RS4564
• Fleetguard AF25247

Specifications:

• Largest OD - 11.35 inch
• End 1 ID - 6.76 inch
• End 2 OD - 11.35 inch
• Length - 21.41 inch