Shock Absorber Type 540 Road

Marsoni

M251S

$352.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Shock Absorber Type 540 RoadEcoline 540 Mono Road 46 mm The premium value alternative in our lineup, offering larger bore damping control for demanding riders. Includes stepless spring preload adjustment via spanner tool, radial piston design, and progressive shim stack for consistent performance. Durable, maintenance free spherical bearings ensure longevity. Backed by a 5 year warranty and ABE. Note: Product image may vary. Download ABE

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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My 06 Altima (185k miles) had been burning massive amounts of oil (like 4 quarts every 800 miles) due to a leaking PCV valve hose that took forever for me to narrow down (months). So after getting that under control I figured I needed to decontaminate the poor engine. When using this I idled my car to operating temp (about 8 minutes). Poured the bottle in, idled it for another 15 minutes. Drained the oil (black and thick). Put the plug back in, poured about 2.5qts of new oil in. Idled it for 10 minutes. Drained that (black but much thinner). Took the old filter off. Let both areas drain for 10 minutes. Put the plug back in, put the new filter on and filled with the 4.6qts of new oil my car calls for. Ran for a few minutes (like 2 with a few revs) and then let sit for 10 mins before checking the level. When I checked my dipstick it was so clean I thought I had a leak because I couldn't see it on any of the crosshatch. I ended up having to go by touch to get the reading. This stuff is amazing.

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Reviewed in the United States on November 15, 2025