Replacement and Interchange Numbers
Front Sway Bar
- 55398938AC
- 55398938AB
Sway Bar Bushings
- 52110141AB
Front Sway Bar End Links
- K80894
- 5170290AB
- 5170290AC
- 5170290AD
Customers should compare these numbers with their original components before ordering.
What’s Included?
The complete kit contains:
- 1 × 55398938AC front sway bar
- 2 × 52110141AB-style sway bar bushings
- 2 × bushing retainers
- 4 × hex-head mounting screws
- 2 × K80894 front sway bar end links
This allows the major wear components surrounding the stabilizer bar to be replaced at the same time.
What Does the Ram 1500 Front Sway Bar Do?
The sway bar connects the left and right sides of the front suspension.
When the Ram enters a corner, weight transfers toward the outside of the truck. The outside suspension compresses while the inside suspension unloads.
This difference twists the sway bar.
The bar resists that twisting force and helps control body roll.
A properly functioning front stabilizer system contributes to:
- Body-roll control
- Cornering stability
- Highway stability
- More predictable steering response
- Controlled transitional handling
Symptoms of Bad Ram 1500 Sway Bar Components
Possible symptoms include:
- Clunking over bumps
- Knocking from the front suspension
- Squeaking or rattling
- Excessive body roll
- Loose handling
- Cracked sway bar bushings
- Loose end-link joints
- Bent stabilizer bar
- Severe corrosion
The sway bar itself isn’t necessarily the culprit when a truck starts clunking.
Bushings and end links are common wear items and should be inspected before replacing the entire assembly.
K80894 Sway Bar End Links
The supplied links replace applications associated with K80894 and Ram OE numbers:
5170290AB / 5170290AC / 5170290AD
The end links connect the stabilizer bar to the suspension and transfer suspension movement into the bar.
As their joints wear, unwanted movement can develop.
This often produces a clunk or knock when driving over:
- Potholes
- Speed bumps
- Broken pavement
- Driveway entrances
- Uneven terrain
52110141AB Sway Bar Bushings
The kit also includes replacement bushings associated with 52110141AB.
These bushings secure the stabilizer bar to the chassis while still allowing the bar to rotate as the suspension articulates.
Worn bushings can allow the bar to move excessively inside its mounts.
Potential symptoms include:
- Clunking
- Squeaking
- Reduced sway-bar response
- Visible bushing deterioration
- Excessive movement at the mounting brackets
Can a New Sway Bar Improve Handling?
If the original stabilizer system is worn or damaged, replacing it can restore handling closer to its intended condition.
Potential improvements include:
- Reduced unwanted body movement
- More consistent cornering response
- Improved highway stability
- Less suspension noise
However, this is best described as an OE-style replacement, not a performance sway-bar upgrade.
Don’t promise customers that installing one transforms their Ram into a sports car.
Physics already has enough problems dealing with a 5,000-pound pickup truck.
2009–2010 Dodge Ram 1500
The earliest applications are:
2009 Dodge Ram 1500 4WD
2010 Dodge Ram 1500 4WD
These trucks were sold under the Dodge Ram name before Ram became its own brand.
2011–2018 Ram 1500
The primary fitment range is:
2011–2018 Ram 1500 4WD
These DS-generation trucks represent the core application for the 55398938AC stabilizer bar.
2019–2022 Ram 1500 Classic
The DS-generation truck continued after the new DT-generation Ram arrived.
These trucks were renamed:
Ram 1500 Classic
Therefore, later fitment is:
2019 Ram 1500 Classic 4WD
2020 Ram 1500 Classic 4WD
2021 Ram 1500 Classic 4WD
2022 Ram 1500 Classic 4WD
This generation distinction is probably the single most important fitment detail for this product.
Installation
General replacement involves:
- Safely raise and support the truck.
- Inspect the complete front suspension.
- Disconnect both original sway bar end links.
- Support the existing stabilizer bar.
- Remove the sway bar mounting brackets.
- Remove the original bar.
- Compare the original and replacement components.
- Position the new bushings on the replacement bar.
- Install the 55398938AC sway bar.
- Install the bushing retainers and hardware.
- Install both K80894-style end links.
- Torque all fasteners to factory specifications.
- Verify suspension and steering clearance.
- Road-test.
- Reinspect the installation.
Actual procedures and torque specifications should be taken from the service information for the specific truck.
Does Sway Bar Replacement Require an Alignment?
Normally, no.
The sway bar and end links don’t directly establish:
- Camber
- Caster
- Toe
Therefore, replacing the stabilizer assembly alone generally doesn’t require an alignment.
Inspect the Rest of the Ram Front Suspension
While everything is accessible, inspect:
- Upper control arms
- Lower control arms
- Ball joints
- Inner tie rods
- Outer tie rods
- Wheel bearings
- CV axles and boots
- Front shocks
- Steering components
Especially on a 2009 truck, assuming the sway bar is responsible for every front-end noise is an excellent way to become the proud owner of a new sway bar and the exact same clunk.
Complete Fitment Summary
2009–2010 Dodge Ram 1500 4WD
2011–2018 Ram 1500 4WD
2019–2022 Ram 1500 Classic 4WD
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