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I'm looking at an '04 F150. How can I tell what type and gear ratio the differential is? Is this info on a sticker somewhere of do I need to have the VIN decyphered.
I'm trying to verify that it has a 3.73 limited slip. I don't have access to the window sticker, it is used on a dealer lot. What should a tag on the rear differential say for a 3.73 limited slip, will it be in some sort of code? Any other ways to identify this?
Rich is right on. I crawled under mine and it is 3L73 and I do have the 3.73 with LS. The first 3 on the tag was partially covered by the bolt on the tag.
Brian.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.