COVID-19 UPDATE: How Crowley Marine is preparing & responding. Read more...
Crowley Marine: serving boaters for over 50 years Crowley Marine: serving boaters for over 50 years
Parts in stock Most parts in stock Same day fulfillment
$3.95 shipping on all orders*
Low Price Guarantee
9.6 Pilot logo
0My cart

Select Your Engine:

Gasket Sealing Compound Gasket Sealing Compound (can with Brush)

Satisfaction rating 5 out of 5 (59 Ratings)
$11.95 to $21.99
Save $2.44 (17%) $13.25 - $24.09
Limited Availability Not all variations in stock

Last update: 1 days ago Update Now

  • This is an OEM part manufactured by Johnson/Evinrude, OMC
  • Flat rate shipping starting at $3.95
  • 30 day return policy

Product Description

For use on all gaskets, threaded connections or machine joints. A liquid sealant designed to meet the rigid requirements of original equipment specifications. Provides outstanding performance in sealing all gaskets and threaded connections. • Non-hardening and resists extreme variations in temperature • Extends the life of all gasket material • Prevents corrosion of bolts, studs and fitting threads • Resistant to gasoline, oil, steam, salt-water, antifreeze and propane • Can be used on all applications where we formerly recommended Perfect Seal No. 4.

1 Product Questions

lee hughes

how long does it take to dry?

Answer:

Part number 508235 does not fully dry. It will stay tacky.

wonderful, no problems at all.
by

by

Johnson 40hp

Great service. Fast delivery. Will but from again
by

Good communication, very helpful. Fair pricing and realistic shipping fees. Thanks!
by

Very good
by

by

by

Great, fast and totally professional
by

I found the results of my purchase to be excellent and identifying what I needed to purchase easy with Crowley Marines layout.
by

by

Great
by

Got my parts as on time as promised and in good condition.
by

Excellent. Rep was helpful, referred me to Mercury Marine which gave me the number. Crowley had it in stock.
by

Great service and fast shipping
by

Fast service good price.
by

48hp spl

Quick easy and pricing is fair!
by

by

It's been the only place for me to find what I need for my old '73 Century
by

15 hp Evinrude 15504C

Repair Difficulty
Hard
Repair Time
More than 4 hours
Fine.
by

Problem fixed: Scored pistons

Water pump impeller failed causing engine to over heat. Total rebuild of powerhead. Machine shop & parts were about $500 total. Added overboard water indicator to powerhead as this model had bubbler hole on backside of engine. Difficult to see if water pump was working.

Johnson 150

Repair Difficulty
Easy
Repair Time
2 to 4 hours
👍
by

Problem fixed: Reseal and new water pump

Removed lwr gear case. Replaced water pump and all seals. Installed Helicoils in 5 bad holes.

Very easy to work with. Great service
by

E50DPLSDA

Verry good shopp. Questions are dealt with quickly so the shipping are too expensive for france !
by

by

Evinrude Ficht 225HP (2001)

Repair Difficulty
Medium
Repair Time
1 to 2 hours
Great service. Long backorder time on one item, but professionally handled by support staf.
by

Problem fixed: Traces of water in gearbox

Propeller seals were replaces last season, so main suspect was driveshaft seal and/or shift rod o-ring. Suspicion confirmed after removal of water pump: traces of oil found around driveshaft seal. 1) Removal of lower unit (requires to remove lower cowling) 2) Removal of water pump (4 screws) 3) Removal of shift rod cover (6 screws) 4) Removal of driveshaft bearing (4 screws). Bearing removed by gently prying with flatheaded screwdriver Replacement of: * 2 driveshaft seals (upper + lower). Old ones gently chisseled out with screwdriver. New ones installed with suitable size socket-wrench socket and hammer. * shift rod cover o-ring * driveshaft bearing o-ring * waterpump gasket * shift rod cover gasket Reinstalled everyting in reverse order of removal. Note: It is important to adjust the shift rod height (see manual)

Great service, quick delivery, keep up the good work!
by

by

Great experience. Parts were just what i needed in a timely manner.
by

Johnson 35hp

Great experience, easy to find exactly what you need.
by

by

1984 Johnson 9.9

Repair Difficulty
Easy
Repair Time
More than 4 hours
great
by

Problem fixed: 36 year old, maintain life, runs good

R&R gaskets & seals on power head / lower unit

Great, fast shipping and had the parts that I needed at a great price!
by

Engine parts diagrams were easy to use and phone service very helpful.
by

by

Ford 302 Cobra motor.

Repair Difficulty
Hard
Repair Time
More than 4 hours
Phone in order. Excellent customer service & very reasonably priced. Fast shipping at a great low price. Thank you!
by

Problem fixed: Lower OMC outdrive rebuild.

Needed to straighten prop shaft. On this OMC model the entire lower unit has to be disassembled and reassembled.

OMC 574APERGD

Repair Difficulty
Medium
Repair Time
2 to 4 hours
Great, very timely responses and delivery
by

Problem fixed: Outdrive Maintenance

Pulled outdrive, greased u-joints and gimbal, replaced u-joint and exhuast bellows. Replaced trim cylinder gromets and bushings. Bought all the adhasives, lube and parts from CM.

The experience and customer service I received, is always execellant. Could not ask for better.
by

johnson 140 hp.

Repair Difficulty
Hard
Repair Time
More than 4 hours
Very good service , parts arrived on time.
by

Problem fixed: resealed lower unit

Removed lower unit and disassembled, realized that I needed a Factory Service Manual to reference for pinion gear and shift rod adjustment. I also ordered the OEM gasket sealer. Repair was completed with no leaks.

Very happy with the clean purchase experience. Quick ship, instant and repeated emails to verify ship and delivery. Could not be happier.
by

As usual, excellent Thank you
by

Yamaha 115 2 stroke

Great, fast shipping, great price.
by

Excellent !!!!!
by

evinrude 60 h.p.

Repair Difficulty
Medium
Repair Time
1 to 2 hours
very good experience and more important is the fast shipping.
by

Problem fixed: oil in gear house had water in it.

replaced oil seals behind prop that were ruined by tangled fishing line. Had a boat store remove abd replace seals in bearing housing.

by

1979 Evinrude 70HP

by

Evinrude 70hp

Repair Difficulty
Easy
Repair Time
Less than 30 mins
Awesome!
by

Problem fixed: Thermostat change

Remove and replaced.

Johnson 112 spl

Repair Difficulty
Easy
Repair Time
Less than 30 mins
by

Problem fixed: Fuel starvation

Replaced fuel pump.

Overall the shopping experience was good. The only complaint that I have is I ordered a can of gasket sealer along with other items for my boat motor and when I recieved the package the sealant can lid was loose and all the other items were sticky.
by

140 Johnson

Repair Difficulty
Easy
Repair Time
Less than 30 mins
Good service, on time
by

by

by

Great prices, quick delivery, and great selection. I would highly recommend Crowley Marine to anyone.
by

1993 evinrude 15 hp

by

omc upper,lower seal kits

great
by

Crowley Marine treated me great and took good care of me. I will definitely do business again with them.
by

I have done business with Crowley marine many times and the shipping is always super fast...anytime I need parts I will always go to Crowley
by

Evinrude 140 ocean pro

Great
by

1992 20 HP Evinrude

Repair Difficulty
Medium
Repair Time
2 to 4 hours
Very good experience!
by

Problem fixed: Water pump failure

Follow instructions that came with repair kit

Crowley Marine provide a fantastic service with the supply of OMC spare parts at prices that are far cheaper than any other dealers. Crowley Marine is allways my first point of call for the purchase of OMC spare parts.
by

by

Customers Also purchased

Supersession Chain

Name SKU Superceding SKU
FL *GASKET SEAL #0 0363975 CURRENT
FL * GSKT SEAL 4OZ VIEWING THIS PRODUCT 0508235 0363975

Aftermarket Product Interchange

Name SKU Price Brand
Aviation Gasket Sealant 37559 $12.19 Sierra Marine

Flat $3.95 Shipping on ALL parts orders

We offer shipping flat $3.95 shipping on ALL parts orders. (Complete Engines, Lower Units and Sterndrives excluded). In addition orders over $89 have reduced cost express shipping available in checkout.

shipping map shipping map legend

You can get a rough idea of standard transit times from the map above.