Parts for your 2019 Subaru Legacy-Bump stops

2019 Subaru Legacy bump-stops: what they do and how to look after them

Yes, the 2019 Subaru Legacy is fitted with bump-stops (also called jounce bumpers) on both the front MacPherson struts and the rear shock absorbers. Technical sources that confirm this include the Subaru factory service manual for the 2019 Legacy/Outback (Suspension sections describe the “jounce bumper/bump stopper” integral to the damper assemblies), Subaru’s genuine parts catalogue (lists front strut jounce bumpers and rear shock bumpers for the 2015–2019 chassis), and major damper manufacturers’ catalogues that offer boot-and-bump-stop kits specifically for this model.

On this Legacy, bump-stops act like a secondary, progressive spring right at the end of wheel travel. When the car hits a big dip, speed hump or pothole, they step in to stop the strut or shock from bottoming out, protecting the damper internals, upper mounts and control arm bushes. They also help keep the tyres in contact with the road when things get choppy, which means better stability and less nasty thuds through the cabin. Many kits integrate a dust boot with the bump-stop, so they also shield the piston rod from grit that can chew through seals.

There’s no fixed replacement interval for bump-stops, but they should be inspected during regular servicing and any time the struts or shocks come out. On Aussie and Kiwi roads, a good rule of thumb is a close look every 40,000–60,000 kilometres, or sooner if the car is frequently loaded, tows, or drives on rough surfaces. If the foam or polyurethane looks cracked, perished, oil-soaked, or the dust boot is torn, replace them. They’re inexpensive and can save a damper from early death.

• Common symptoms they’re cactus:
  • Harsh bottoming or clunk over big hits
  • Reduced wheel travel/ride height changes under load
  • Visible splitting or missing sections of the bump-stop
• Service tips:
  • Replace in axle pairs, use OE-quality parts
  • Avoid petroleum-based cleaners on the material
  • If struts are removed, get a wheel alignment
  • Lowered cars may need shorter bump-stops as specified by the spring kit, don’t trim unless the manufacturer allows it

For WOF/RWC peace of mind, keeping the bump-stops and boots tidy helps maintain safe suspension travel, protects the dampers, and keeps the Legacy riding the way Subaru intended.

Does the 2019 Subaru Legacy actually have bump-stops?

It does. Both the front struts and rear shocks include jounce bumpers from factory. This is documented in Subaru’s service manual suspension sections and reflected in Subaru’s parts listings and major damper makers’ catalogues for the 2015–2019 platform.

How often should bump-stops be replaced on a 2019 Legacy?

There’s no set interval. Inspect them at regular services and whenever struts/shocks are out—typically every 40,000–60,000 km is sensible on local roads. Replace if cracked, oil-soaked, or when fitting new dampers.

Can bump-stops be trimmed if the car is lowered?

Only if the spring kit or damper manufacturer specifies it. Many lowering setups provide shorter bump-stops to preserve travel. Random trimming can cause harshness or damage. Always check the kit guidance and get an alignment after suspension work.