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2009-2014 F150 Performance Parts
Driveline
Rear End Gears
97-23 F150 9.75" Eaton Detroit Locker Locking Differential
1997-2023 F150 Eaton Detroit Locker Automatic Locking Differential (9.75" 34-Spline) 225C194A
97-23 F150 9.75' Eaton Detroit Locker Locking Differential
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Part#:
225C194A
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Awesome Straight-Line Traction for Aggressive Applications
Maximizing your F150's acceleration and off-road traction mean you'll need to keep both of your truck's rear wheels churning out power, which is something the factory differentials seem to struggle with in aggressive drag strip and off-road applications. The Eaton Detroit Locker Automatic Locking Rear Differential fixes that little problem by keeping your truck's rear axles locked during straight-line driving while automatically unlocking when turning or cornering. The end result is an enormous improvement in traction for when you jam down the throttle or when you're on a tough off-road trail, all while maintaining good street driving characteristics.
Heavy-Duty Construction with Automatic Locking and Unlocking
Eaton builds each of their Detroit Locker Differentials out of high-quality materials so that it doesn't let you or your F150 down when you need it most. The internal spider, clutch assemblies, and side gears are all built extremely strong to handle the loads placed on the differential during hard acceleration and aggressive off-roading. The differential works by keeping the axles locked until enough differential load is put on its heavy-duty springs, which then compress to allow one side of the axle differential movement from the locked side. Once load is eased out of the turn, the differential re-locks for maximum traction. The Detroit Locker is entirely maintenance-free and doesn't require friction modifiers. The Detroit Locker Automatic Locking Differential installs right in place of the stock differential and is compatible with your F150's stock axle shafts.
For 9.75" Rear Ends:
Eaton's Detroit Locker will only fit F150s equipped with a Ford 9.75" rear end with 34-splines. It will not fit 8.8" or Super 8.8" rear ends. Please verify your F150's rear end type before ordering.
Will not fit SVT Raptors:
this locker will not fit SVT Raptors, due to the fact that Raptors have 35-spline axles.
Hi so I’m looking to add a locker to my rear end on my daily driven 2013 F-150 would this be a good locker to go with if I mainly do daily driving no off-roading ?
Asked by:
Hector
- 12/12/2018
I have to be honest and tell you no. The Detroit Locker is really meant for off-roading or track use. When it unlocks to turn, it has very noticeable (and kinda jarring) ratcheting action that will get very old on the daily grind. While an LSD and not a true locker, a much better choice for a daily-driven truck would be the
Eaton TrueTrac
.
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Answer provided by:
Jason@Stage3 (12/13/2018)
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Hi, I have looked into getting this locker or the limited slip. Which is better for offroad? And also, what is one wheel slips while turning? Will it lock? And would I need to replace the carrier bearings?
Asked by:
Justin
- 12/20/2017
You can argue it either way, honestly. This Locker is nice, since your axle is locked as long as you're going straight. However, there are times off-road where you don't want the axle locked or when you need a full turn radius to get around an obstacle, which would make an LSD a better choice. In my personal opinion, going with either an
Eaton TrueTrac
or a selectable locker would be a better choice for most F150 owners, due to some of the drawbacks and lack of on-road manners of the Detroit locker. Still, you can argue it either way.
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Answer provided by:
Jason@Stage3 (12/21/2017)
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