Rear Leaf Spring Bushings - Ford F150 - 4.2122

  • 4.2122 360image 1
  • 4.2122 Rear Leaf Spring and Shackle Bushings
  • 4.2122 Rear Leaf Spring and Shackle Bushings
  • 4.2122 Rear Leaf Spring and Shackle Bushings
  • 4.2122 Rear Leaf Spring and Shackle Bushings
  • 4.2122 Rear Leaf Spring and Shackle Bushings
  • 4.2122 360image large 1

Rear Leaf Spring and Shackle Bushings

Manufacturer: Energy Suspension
Part Number: 4.2122


Free Lifetime Warranty Upgrade
Price: $63.40

check_box In Stock check_box Ships Immediately

  • 4 - 2083 - Spring Eye
  • 4 - 2084 - Rear Shackle
  • 4 - 2061 - Rear Main Eye
  • 4 - (.875OD x .625ID x 2.930L)
  • 2 - (.750OD x .562ID x 3.000L)
  • 1 - 9.11102 - 10 Grams Grease Package
  • 1 - 17040 - Instructions For Spring Eye Bushing
Suggested part for 4.2122: 9.11110
9.11110 Formula 5 Prelube 3 - 5 mL Tubes
Energy Suspension provides grease to install these parts, but you can never have too much. Grab an extra 3-pack of grease so you can more liberally apply grease when installing.

Suggested part for 4.2122: 9.11104
9.11104 Formula 5 Prelube - 8oz. Tub Polyurethane Bushing Grease
8 ounce tub of High Performance Grease by Energy

  • Energy Suspension warrants its products against defects in workmanship and material for 24 months when used on passenger cars and light trucks. Products that have been abused, altered, or incorrectly installed are not covered. Energy Suspension will replace defective products or component parts, if inspection for factory personnel determines the part to be defective. Warranty replacement covers only the product. Labor claims, time loss, or freight charges will not be honored.
Cross Reference from 4.2122 to 61017
Prothane 61017
Price: $57.11
Warranty: Lifetime Warranty

FitmentRear Leaf Spring and Shackle Bushings 4.2122 fits these vehicles:
Polyurethane Rear Leaf Spring Bushings
For high performance applications, the combination of heavy duty or performance leaf springs and HYPER FLEX performance polyurethane spring bushings deliver the maximum benefit.

Rear Leaf Spring Bushings - Ford F150 - 4.2122

Polyurethane Rear Leaf Spring Bushings
  • Adds a dramatic amount of performance and durability to any vehicle!
  • Improves vehicle handling, cornering and overall control.
  • Helps the vehicle be in control when maneuvering through turns, during standing start accelerations, braking, even over bumps and berms.
  • Made of Energy's HYPER FLEX performance polyurethane to add performance and durability.
  • One Set Will Cover the Left and Right Side

Energy Suspension HyperFlex Leaf Spring and Shackle Bushings

Vehicles with a leaf spring and shackle set up lean heavily on the springs to take the shock out of a bump. Not only does a leaf spring reduce the force of a bump that you feel, but it also evenly distributes the load across the chassis instead of the whole load pressing down on one point. Your ability to get to point A to point B without scraping the pavement is heavily dependent on the leaf spring and shackle bushings which mount the spring to the frame. Energy Suspension's Hyperflex polyurethane is a stronger material for the mounting points of a leaf spring and shackle. Polyurethane leaf spring bushings are able to handle the stress from the suspension and are not vulnerable to road grime. With Energy Suspension's polyurethane, you can protect your vehicle's ability to carry a load, and your bumpy free ride, for years to come.

Energy Hyperflex Leaf Spring
Energy Hyperflex Leaf Spring Lifespan

Replacing the Faulty Rubber

O.E. leaf spring and shackles utilize a soft rubber bushing to mount the spring to the frame. The rubber is great for reducing the noise and vibrations from being transferred into the cab. Unfortunately, rubber bushings have a short lifespan. Once the rubber fails, due to wear and tear or road grime, a leaf spring's effectiveness is severely reduced. Meaning you will experience a very bumpy ride, the vehicle's ability to carry a load or tow is hindered greatly and you'll experience a loss of control.

Be sure to use Formula 5

A leaf spring bushing rotates a lot against the metal shell, so make sure you grease it well with Energy Suspension's own Formula 5 Bushing Lubricant. Using plenty of grease is the best way to ensure a long lasting part without any squeaking. If you'd like some extra grease just in case, pick up an extra 3 pack or an 8 ounce tube.

Formula 5 Gif
Energy Suspension 4.2122

Product Reviews for Rear Leaf Spring Bushings - Ford F150 - 4.2122

5 Star (8)
4 Star (0)
3 Star (0)
2 Star (0)
1 Star (0)

Energy Suspension 4.2122

5 out of 5 based on 8 user reviews. Write a Review


starstarstarstarstar" Quality parts at a fair price. "

Quality parts, exact fit making installation easy. Would buy from this supplier again.

verified_user Verified Buyer - - . Energy Suspension 4.2122 - 5 out of 5

starstarstarstarstar" Really nice! Had an issue but it was resolved and all is well... "

This was my first installation of bushings into some leaf springs. These were, of course, very highly rated, so I went with them. Removing the original bushings that had been exposed to the elements for 25 years was, as you might imagine, a bit of a task. Two of the six bushings fit perfectly but I needed something different for the rear bushing and the shackle. Contacted tech support in a chat and was given a number for Energy support. Spoke to Mike and they had to manufacture two of the four that I needed for my application. The parts were sent and installed. I completed the installation and could not be happier! I suspect that my old Ford never rode as well as it does now. The whole front end was replaced as well as the rear bushings and shocks. I also take some comfort in knowing that should these bushings ever need replacing, which I doubt they ever will, the replacement procedure will be a bit less painful. \n\nHighly recommended product and company!!

verified_user Verified Buyer - - . Energy Suspension 4.2122 - 5 out of 5

starstarstarstarstar" Very easy to install; truck rides better than new! "

These bushings are the cats meow! The most difficult part of this job was removing the old bushings w/ steel housings! These polyurethane bushings slid right in to the springs and shackles. My truck rides better than new - just a little stiffer than I can recall - but a good stiffer.

verified_user Verified Buyer - - . Energy Suspension 4.2122 - 5 out of 5

starstarstarstarstar" Review 2 Years Later "

working great thank you\n

verified_user Verified Buyer - - . Energy Suspension 4.2122 - 5 out of 5

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  • Bushing Material: Polyurethane

question_answer Customer Questions and Answers

Will part number 4.2122 replace my stock bushings on my F150 1994 2WD?
Yes, part number 4.2122 is the stock replacement bushings for the F150 1994 2WD.

Will part number 4.2122 fit my 85 f150 2wd?
Yes, the 4.2122 will fit the 85 f150 2wd.