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Part record
3.0L Duramax DEF Controller (GM 85514348)
verified
OEM PN85514348
BrandGM
Fitment years as listed in the OEM catalog on 2026-10-24 ('6 Cyl 3.0L Diesel' rows); Yukon XL is not listed separately - verify XL by VIN.
Where to buy
Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part, quoting part number 85514348.