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Meguiar's M4965 Marine/RV Fiberglass Restoration System

4.3 out of 5 stars 275 customer reviews
| 30 answered questions

Price: $39.95 & FREE Shipping
In Stock.
Ships from and sold by HARVARD MARINE.
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  • Three step process to restore fiberglass gelcoats
  • Oxidation remover takes care of wear
  • Polish restores brilliant gloss
  • Pure wax provides durable protection for surface
22 new from $29.94
$39.95 & FREE Shipping In Stock. Ships from and sold by HARVARD MARINE.

Frequently Bought Together

  • Meguiar's M4965 Marine/RV Fiberglass Restoration System
  • +
  • Meguiar's M4916 Marine/RV Heavy Duty Oxidation Remover - 16 oz.
Total price: $55.80
Buy the selected items together

Product Information

Technical Details

Brand Meguiar's
Model M4965
Item Weight 3.8 pounds
Product Dimensions 12 x 12 x 9.2 inches
Item model number M4965
Discontinued by manufacturer Yes
Manufacturer Part Number M4965
OEM Part Number MEGM4965
Folding No

Additional Information

Customer Reviews
4.3 out of 5 stars 275 customer reviews

4.3 out of 5 stars
Best Sellers Rank #6,578 in Automotive (See top 100)
#44 in Sports & Outdoors > Sports & Fitness > Boating & Sailing > Boating > Maintenance Supplies > Cleaners
#350 in Automotive > Car Care > Exterior Care > Cleaners
#880 in Sports & Outdoors > Sports & Fitness > Hunting & Fishing > Fishing > Fishing Watercraft & Trolling Motors
Shipping Weight 4 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available October 4, 2004

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.


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Important Information

Safety Warning
Caution: Contains products that may be harmful. See warnings on back of each bottle. Keep out of reach of children.

Product Description

Meguiar's Fiberglass Restoration System uses three specialized steps to effectively restore all fiberglass gelcoats, and is ideal for marine craft and RVs. The Oxidation Remover handles wear from oxidation, stains, and scratches. Meguiar's Fiberglass Polish restores a brilliant gloss to the finish. Finally, the Pure Wax step provides long-lasting, durable protection to the restored surface. For further application or technical questions about this or any Meguiar’s products, please contact our customer service team at 800-347-5700.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I do car detailing and my cars have to look perfect new all the time. That has to go the same for my trailer. Got a used trailer inside was like new and I think this trailer sat unused for a few years in the sun.
Now I need to get the oxidation off this used trailer we just bought. I tried regular Mcquires for cars clearcoat cleaner compound on a 3000 rpm polishing wheel. Not good enough.I ordered through Amazon McGuires RV 3 step oxidation compound, polish and wax. Fiberglass is a tougher finish then clearcoat and this Oxidation compound is designed to cut through and really remove all the garbage and oxidation built on the finish. It restored my dull slightly off white finish back to bright white and very shiny. As well as me tired, But its well worth the effort.

(UPDATE June 2013) I recently bought a used motorhome and went through the same process as I did with trailer in this original review from 2 years ago, JUST like the trailer it brought back the shine to new. I did discover that using the machine and just the McGuires fiberglass restorer compound. The wax in kit is great stuff but I find myself going back to a wax call Protect-all RV wax I used it for many years and following up with The Protect-all wax even brought and held the luster a long time plus the wax has UV inhibitors in it so it is a complete wax for any fiberglass or car finish. Tried McGuires Flagship wax too, makes it sparkle but it goes on heavy and comes off harder leaves a film if you don't keep changing to new towels!!!!!!!!!!! Once you get your finish back the Protect-all is all you need to keep it that way forever as long as ya do it once or twice a year. Protect-all goes on easy comes off easy leaves high long lasting shine

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14 Comments 124 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Three step system works like a charm. Elbow grease is required. Your results will reflect your efforts. Some areas needed more than one application of the first step. Take your time and don't get in a hurry. Steps 2 and 3 went much faster than step 1. Also, you need to keep shaking the deoxidizer bottle to keep the contents stirred up in order to get the best results. Always shake the bottles very well before using.
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Although only half way done with our 32 foot motorhome, I am so pleased with the results of this product that
I wanted to write a review, and pass on some things that I hope will help others.

Bought our 1998 motorhome last summer from the original owner, and overall it was in very good shape. However, due
to a major health issue he had been unable to wax the outside for some time, and most of the fiberglass siding was
dull and discolored. Tried waxing and polishing without much luck, and even tried wetsanding it to remove a film of
the gel coat with the hopes of getting the shine back along with the original white color. This resulted in some improvement, but not a whole lot.

Then I came across this kit while shopping in Amazon, and as the reviews seemed very positive went ahead and ordered it, and all I can say is that all the positive comments are right on the money. As soon as I received it I tried a little of the oxidation remover on one of the worst spots, and wow, what an improvement!! Almost immediately the spot was smooth and shiny, and all the discoloration was gone. And all this without having to rub, and rub, and rub. Just a half a minute or so to get these results. So went ahead and bought a sander/polisher and as I said I am about half way done, being delayed by the weather, visiting relatives and some other distractions.

So first and foremost, if your in a similar situation I highly recommend this product, and here's some thoughts that might be of help to you.

1. I ordered the kit rather then just a bottle of the oxidation remover because I thought that would be the best way to go, but not sure if I'd go that route again.
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1 Comment 65 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
Its good, but there's better products. I finally got around to using this on a 2006 WW 26ft toyhaluer. If you're expecting a quick easy job, then do it yourself polishing is not for you. I've been detailing for many years, so this isn't my first rodeo. Like "Customer Ed" said, this is a machine job, not an orbital or hand job. You need a quality polisher, and good wool pads based on your situation, and the time to be patient. I use a Makita 9227C 7-Inch Hook and Loop Polisher/Sander for the better part of 10 years now - great machine.

First Meguiars #49 Oxidation Remover will remove most of the oxidation in one pass after you've spread it out and polished till the compound is no longer hazy, provided you've put enough on and spread evenly around and worked small areas like 2x2ft. However, this will not get 100% out, but does leave a glossy surface - depending on your color, amount of oxidation, etc. In my case, working on white gel coat, you could see there was still some haziness left after using this product. Pictures 2,4,5 show some of the hazy areas (not compound residue) left over after using the #49 (the day is completely overcast, so the clouds you're seeing are areas that didn't polish out 100% with the Meguiar's) I switched over to a 3M Imperial compound and had much better results, 3M spreads better, cuts through the oxidation in one pass leaving no haze behind like the Meguiars did. The abrasives dissipate fast and you'll be hard pressed to burn through the coat or decal unless you're really trying. To be fair, #49 didn't have any burn issues either, but I had to use much more material as it didn't spread out very well. I had the 3M stuff left over from my days working in a fiberglass boat factory.
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