Difference in d4 3.73 limited slip and l73 3.73 limited slip | Ford Explorer Forums - Serious Explorations

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Difference in d4 3.73 limited slip and l73 3.73 limited slip

mikeg216

Active Member
Joined
October 28, 2011
Messages
55
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City, State
cleveland ohio east side
Year, Model & Trim Level
1998 ford explorer sport
Looking to replace my open carrier with a limited slip. I have 3.73 open carrier currently, I see that there are two 3.73 rear axle ratios with limited slip d4 and l73 what are the differences if any? And are they both interchangeable with my current setup?
 






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