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Can you tell me the codes used to identify the rear axle ratio for the Ford F150?
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Certainly! There are various axle codes for the Ford F-150, depending on the model year and setup. To find your axle code, check the VIN sticker on the driver's side door jamb. You may have better results by searching for the specific axle code or narrowing it down by model year. Common codes include 15 for a 3.15 ratio in open differentials, 27 for 3.31 ratio, 19 for 3.55 ratio, and 26 for 3.73 ratio. For limited-slip differentials, H9 corresponds to 3.55 ratio and B6 to 3.73 ratio. Some electronic locking differentials include L5 for 3.15 ratio, L3 for 3.31 ratio, L9 for 3.55 ratio, L6 for 3.73 ratio, and L4 for 4.10 ratio. This is just a selection; you may want to search for your specific axle code for more accurate information.
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To discover the code for the rear axle ratio of your Ford F150, look for the identification tag on the axle at the 12 o'clock position near the differential cover bolt.
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