The John Deere X166R tractor primary engine air filter part number found is AT311066. Filter dimensions found include Height: 10 in / 254 mm; Outer diameter: 20 in / 508 mm.
Primary air filterAT311066
Filter height10 in / 254 mm
John Deere X166R Air Filter Specs
Primary air filter part number
AT311066
Air filter size
Height: 10 in / 254 mm; Outer diameter: 20 in / 508 mm
Filter height
10 in / 254 mm
Outer diameter
20 in / 508 mm
Number of air filter elements
1 element (primary)
John Deere X166R Air Filter Charts
Air filter dimensions
Height
10 in
Outer diameter
20 in
John Deere X166R Air Filter FAQ
What air filter does the John Deere X166R use?
The primary engine air filter part number found for the John Deere X166R is AT311066.
What size is the John Deere X166R air filter?
The air filter dimensions found for the John Deere X166R are Height: 10 in / 254 mm; Outer diameter: 20 in / 508 mm. Use these dimensions as a fit check, but treat the part number as the main match.
How many air filter elements are listed for the John Deere X166R?
This page confirms 1 element (primary). No separate safety or pre-filter part number was found for this model, so inspect the actual air-cleaner housing before assuming it uses only one piece.
Should I order the John Deere X166R air filter by size or part number?
For the John Deere X166R, use AT311066 as the main buying number and use the dimensions value of Height: 10 in / 254 mm; Outer diameter: 20 in / 508 mm only as a secondary fit check.
What should I confirm before buying a John Deere X166R air filter?
For the John Deere X166R, confirm AT311066 against John Deere parts information and use the listed dimensions of Height: 10 in / 254 mm; Outer diameter: 20 in / 508 mm as a physical check.
Official information note
Air filter fit can change by engine, serial number, production year and air-cleaner housing. Check the operator manual, parts manual and official deere.com website before buying or fitting an air filter.
