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Front Hood Shock, Heavy-Duty Version (sold per each)

Part #: 911-511-331-00-M117
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  • Stabilus Heavy Duty is an OEM supplier to European car manufacturers.
Notes: This brand is a heavy duty version (Pressure = 430N).
Quantity in Stock: 
Pelican Sales Rank:  105
Time to Ship: 
Weight:  0.48 lbs.
Warranty Info:  24 Months / 24,000 miles
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This part is not associated with any kits.
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What our customers are saying:
William B.
April 21, 2017
Heavy Duty Frunk Struts are Strong
The heavy duty version works great. I know the higher pressure puts more stress on the seals especially when closed so this time I am leaving the lids open in the garage to minimize pressure on the seals and possibly extend the life of the struts. I know it won't prove anything, but it makes me feel better.
April 16, 2017
Worked Well
Used a Pair of Vice Grips to install and remove the pins, job required a few deep breaths but is not difficult if you apply some patience.
New Struts work great, on removal from the package I thought that they had loads of pressure in them and I thought possibly too much but they are perfect.
William C.
October 24, 2016
1986 Porsche 911
Perfect fit, no issues to install. Held up trunk lid
Richard P.
June 26, 2016
Hood strut
The lower driver's side strut attachment is a challenge. Use locking forceps to place the pin (long needle-nose pliers don't work that well). The shocks hold up the lid nicely; excessive force is not needed to lower it.
Steve H.
June 8, 2015
Installation tip on this item.
The passenger side shock is easy to install. On the drivers side its more difficult.

What I did was, I used a forceps, this was great for removing as well as a long needle nose pliers.

On reinstall the pins. originally the pins were installed outside towards the inside.

I reinstalled them this way also. But how I did it, I started with the bottom pin and used the pin at the top and partially installing it on the bottom of the shock and bracket (inside towards outside)to aid in alignment, I then used the forceps and installed the pin from the outside, pushing the alignment pin out. took less then 3 minutes.

I then used the forceps to set the retaining clip on the pin, after which the needle nose pliers to snap it into place.
Gary T.
May 11, 2015
73 Porsche 911T
Replacement for earlier Stablis non-heavy duty struts installed years ago. These are the ones to get. Yes, the right side does require a little more skill (read patience) to install but, easy overall.
Michael D.
January 13, 2015
Early 911 Hood Shocks
Shocks are made in Mexico, but advertised as OEM made in Germany. For heavy duty shocks they seem to struggle to hold up the hood of a long-nose 911.
Followup from the Pelican Staff:   This is Stabilus' heavy duty version of the OEM shock. Stabilus is the OEM supplier to Porsche for this hood shock (and the standard version is OEM). Being the OEM part does not imply country of origin. These days, Porsche's suppliers manufacture products all over the globe.
Ian W.
August 26, 2014
works fine
What's to say but works fine.
The Turk
August 25, 2014
Mount your new hood struts with the shock at the top and the rod facing down, while these have gas in them they also have oil, this keeps the oil on the seal where it belongs and they will last a long time.
Kevin M.
August 18, 2014
left = easy. right- what a pain!!!
the left, as you face the car was a breeze. Tell me how you clip the bottom one on the right!!!
Ben W.
October 30, 2013
Great! '75 Targa
Ordered the heavy duty version for the driver side, hood is opening and closing perfectly smooth again, remains in any position in between. Easy to install as it doesn't require a safety bolt at the bottom.
James D.
August 25, 2013
Hood Shocks for 85 911

The hood shocks are good replacements for the original shocks.
Jesse W.
March 11, 2013
Front Hood Shock
looks fine.....have not installed yet
March 4, 2013
Perfect fit. Easy instal
Works good.
November 14, 2012
good buy
November 3, 2012
Easy on one side
Very easy on right side, one clip went flying so a selection of spare circlips is good to have. I took one look at the left side and decided there was no way I'd get my hands in the space so happy the one new shock is enough to keep the lid open. No more bangs on the back of the head!
September 22, 2012
Frustrating install
Easy to install on the passenger side, pain to install on the driver's side due to wiring harnesses and fuel filler... Once istalled works like a charm.
Stan T.
July 14, 2012
Easy install
Fitted these new front hood shocks to my 88 Carrera today. They work very well and front hood lifts easy and stays up. Very pleased!!
Richard Paris
June 8, 2012
Front Shocks...
My shocks still had some life in them so I replaced one with the heavy duty version based on other reviews - so far so good.
May 23, 2012
Fitting Front Hood Shocks
Right side easy. Remove clips and replace shock. Left side is complicated by fuel filler. First remove heavy cardboard cover behind brake fluid reservoir (four bolts). This makes it easier to reach bottom clip, you still can't see it so you need a mirror placed down behind the clip. A few cuts on the hands from squeezing in to the tight spot but works OK. The magnetic stick is vital when you drop a clip on this side.
Pete P.
May 2, 2012
Working good
Replaced the worn hood shocks on my '69 912 with these heavy duty Stabilus ones. Working good after a couple of weeks now. The good installation tips simplified the job!
January 18, 2012
Close enough
While not as wide at the end that mates to the vehicle fittings, these aftermarket shocks work perfectly. I just wish they were the same geometry as the OEM. There's just a little "wiggle room" left between the shock tab and the vehicle tabs. No biggie.
December 13, 2011
Very dissapointed
Bought these heavy duty ones for the front trunk to replace my worn out old ones. Installed them in late September - they worked well for about 6 weeks then started to weaken and now the trunk lid will just fall down. Very disappointed with a product that is labelled heavy duty, I would have expected more. BTW I have a standard short hood with no lamps or accessories.
November 21, 2011
Perfect Balance
Exactly the right parts (2 each) ('78 911 SC coupe) and installed easily. Perfect balance of support up and resistance down pressure.
October 12, 2011
Get a Lift Out of This Part
Works great. I've installed these shocks on two older 911's. It's a very uplifting experience. Driver's side is a real pain though due to tight access to the lower pin. Allow 30 minutes or so for the install.
September 19, 2011
Perfect fit and works very Well for the price
Great Price functions very well. No more lid dropping on my head :-)
Dan V.
August 29, 2011
Heavy-Duty Hood Shocks as advertised.
May 9, 2011
Easy installation on a 66
Easy installation on a 66 -- no need for forceps or dental floss if you replace the pins and speednuts with clevis pins and hitch pin clips from the local hardware store.
Steven M.
February 19, 2011
good product, direct replacement
good fit, nice operation. it's only been 3 weeks installed, but so far, so good.
Keith L.
September 15, 2010
Hood stays up now
Parts work great for not much money
July 12, 2010
Fit like a Glove
An extra set of hands is helpful. Passenger side shock took about 10 minutes to replace. Driver side about 20 minutes. I taped the pin to a regular screwdriver and eased it in with my cousin holding the hood steady. Do the easy side first. No more umbrellas holding up the deck lid.
Stephen R.
April 28, 2010
1987 911 Targa
On a Rhd model 911 the passenger side can take a little time to both remove and re-insert the bottom clip- be patient and you'll be fine, Driver side was a breeze. Struts fitted perfectly, very happy with the results
Bill P.
April 9, 2010
1985 911
Passenger side is a breeze. Driver side requires really small hands or one of the specialty tools for the job. Replacements work great!
Arno J.
February 3, 2010
Another strut
Fitted them with ease, no different than the original.
January 11, 2010
So far so good
Ordered and delivered with no surprises. Installed in 15 minutes from start to finish. Make sure you do the passenger side first and prop the hood with something (umbrella maybe). Now my hood stays up!!
John C.
October 13, 2009
Heavy Duty Hood Shocks
I have replaced the hood shocks twice on my 930 in the past, and invariably they fail after about 2 to 3 years. These heavy duty shocks seem a lot more robust, and I hope they will last a lot longer that the standard shocks. The Technical Bulletin also helped me do the work correctly and without wasting time.
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