AR81313 New Inner Air Filter Fits John Deere Tractor 4630 Fits JD TractorsOne New Aftermarket Replacement Inner Air Filter Fits John Deere (Fits JD) Tractor This aftermarket replacement inner (secondary safety) air filter element is Fits John Deere 4630 tractor and compatible Fits John Deere combines. The inner filter provides a critical second stage of engine air filtration, protecting the engine from fine dust and debris that may pass through the outer primary filter during operation or during primary filter service.