rear replacement shock
I have a 2021 XF4 4x4 regular cab. I did my usual oil change at 90K miles and rotated tires. I noticed the rear shocks are showing signs of leakage.
a sticker on the shock has 086 7829 below 1A101444-A then ML34 18080 NA
Looking on Flea Bay I see a lot of low mile takes offs with part number ML34 18080 but different letters and 1a1 number.
Are these the same shocks but letters are just year and production numbers?
I would upgrade but truck is mostly a daily driver with winter in Ohio and towing a car hauler every few weekends in the summer
a sticker on the shock has 086 7829 below 1A101444-A then ML34 18080 NA
Looking on Flea Bay I see a lot of low mile takes offs with part number ML34 18080 but different letters and 1a1 number.
Are these the same shocks but letters are just year and production numbers?
I would upgrade but truck is mostly a daily driver with winter in Ohio and towing a car hauler every few weekends in the summer
Just went to check my old there in the garage, they are ML34 18080 1A101320-A, 2022 F150 FX4 Off Road PKG
Looks like the Key is ML3418080 part number
Change both when doing it.
Looks like the Key is ML3418080 part number
Change both when doing it.
Last edited by caperJ; Apr 22, 2026 at 09:59 PM.
I have a 2021 XF4 4x4 regular cab. I did my usual oil change at 90K miles and rotated tires. I noticed the rear shocks are showing signs of leakage.
a sticker on the shock has 086 7829 below 1A101444-A then ML34 18080 NA
Looking on Flea Bay I see a lot of low mile takes offs with part number ML34 18080 but different letters and 1a1 number.
Are these the same shocks but letters are just year and production numbers?
I would upgrade but truck is mostly a daily driver with winter in Ohio and towing a car hauler every few weekends in the summer
a sticker on the shock has 086 7829 below 1A101444-A then ML34 18080 NA
Looking on Flea Bay I see a lot of low mile takes offs with part number ML34 18080 but different letters and 1a1 number.
Are these the same shocks but letters are just year and production numbers?
I would upgrade but truck is mostly a daily driver with winter in Ohio and towing a car hauler every few weekends in the summer
I have a 2021 XF4 4x4 regular cab. I did my usual oil change at 90K miles and rotated tires. I noticed the rear shocks are showing signs of leakage.
a sticker on the shock has 086 7829 below 1A101444-A then ML34 18080 NA
Looking on Flea Bay I see a lot of low mile takes offs with part number ML34 18080 but different letters and 1a1 number.
Are these the same shocks but letters are just year and production numbers?
I would upgrade but truck is mostly a daily driver with winter in Ohio and towing a car hauler every few weekends in the summer
a sticker on the shock has 086 7829 below 1A101444-A then ML34 18080 NA
Looking on Flea Bay I see a lot of low mile takes offs with part number ML34 18080 but different letters and 1a1 number.
Are these the same shocks but letters are just year and production numbers?
I would upgrade but truck is mostly a daily driver with winter in Ohio and towing a car hauler every few weekends in the summer
Joined: Jun 2014
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From: Nowhereville, Barton City Michigan
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I'd suggest Bilstein 4600. Its designed for stock height trucks and provides a better ride than 5100.
5100 is best for lifted/leveled trucks including those with bigger than stock tires.
5100 is best for lifted/leveled trucks including those with bigger than stock tires.
Forgot to mention short bed. did use a ford online parts lookup using the VIN number shows ASH1266 ML34 18080. EU Rock Auto shows Motorcraft but not ASH1266 -however do list a replacement in Bilstein, Fox
not lifted but did lower the rear to get the truck a little more level
my Zipcode 44502 Youngstown Ohio. and I do most of the mechanical work myself - Have a lift in the garage
not lifted but did lower the rear to get the truck a little more level
my Zipcode 44502 Youngstown Ohio. and I do most of the mechanical work myself - Have a lift in the garage
Can you get rid of the front end rake by getting the 5100's and bumping up the front notches 2 inches?














