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expiredphoinix | Staff posted Nov 30, 2025 06:11 PM
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expiredphoinix | Staff posted Nov 30, 2025 06:11 PM

[AC] $7.64: 16-Oz 3M Professional Grade Rubberized Undercoating at Amazon

$7.64

$14

45% off
Amazon
7 Comments 2,489 Views
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Amazon [amazon.com] has 16-Oz 3M Professional Grade Rubberized Undercoating for $8.99 - $1.35 when you 'clip' the coupon on product page = $7.64.
Shipping is free with Prime or on $35+ orders.

Price
$6.71 lower (47% savings) than the list price of $14.35

Savings
Save an extra $1.35 on your first Subscribe and Save order. (check and activate [amazon.com])

Subscribe & Save
0%: $7.64
5%: $7.19
Add to next delivery [amazon.com] (with free shipping)
fillers [amazon.com]

Customer reviews
4.6⭐ / 1,638
800+ bought in past month

amazon.com/dp/B002H9CMCQ [amazon.com]

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Deal Details
Product Info
Community Notes
About the Poster
Amazon [amazon.com] has 16-Oz 3M Professional Grade Rubberized Undercoating for $8.99 - $1.35 when you 'clip' the coupon on product page = $7.64.
Shipping is free with Prime or on $35+ orders.

Price
$6.71 lower (47% savings) than the list price of $14.35

Savings
Save an extra $1.35 on your first Subscribe and Save order. (check and activate [amazon.com])

Subscribe & Save
0%: $7.64
5%: $7.19
Add to next delivery [amazon.com] (with free shipping)
fillers [amazon.com]

Customer reviews
4.6⭐ / 1,638
800+ bought in past month

amazon.com/dp/B002H9CMCQ [amazon.com]

My other deals

Community Voting

Deal Score
+13
Good Deal
Visit Amazon

Price Intelligence

Model: 3M Black Professional Grade Undercoating 16 oz

Deal History 

Sale Price
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Sort: Lowest to Highest | Last Updated 12/4/2025, 09:40 AM
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7 Comments

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Dec 01, 2025 12:09 AM
339 Posts
Joined Nov 2019
FindingSerendipityDec 01, 2025 12:09 AM
339 Posts
how many cans of this would it take to do the under-body of an average sized car?
Dec 01, 2025 12:27 AM
962 Posts
Joined May 2008
hmmDec 01, 2025 12:27 AM
962 Posts

Our community has rated this post as helpful. If you agree, why not thank hmm

This will accelerate corrosion by trapping moisture and salt as it degrades. You want lanolin based coatings that can remove moisture.
3
Dec 01, 2025 02:25 AM
3,537 Posts
Joined Jan 2007
sreeves3Dec 01, 2025 02:25 AM
3,537 Posts
Quote from hmm :
This will accelerate corrosion by trapping moisture and salt as it degrades. You want lanolin based coatings that can remove moisture.
Not sure how exactly a hydrophobic coating can remove moisture. The idea is that because it's sticky that it won't crack off and leave a gap like a rubber coating. Really it's all about the prep work.
Dec 01, 2025 02:43 AM
3,460 Posts
Joined Sep 2006
willygeeDec 01, 2025 02:43 AM
3,460 Posts
Wondering if I can use this on the bottom side of a kayak to protect it. Kinda like a truck bed liner?
Dec 01, 2025 02:54 AM
16 Posts
Joined Jul 2020
ElectronbonDec 01, 2025 02:54 AM
16 Posts
For those who care this is Asphalt-based not a pure rubberized compound like truck bed liner. Certain applications prefer one or the other.
Dec 01, 2025 05:42 AM
3,622 Posts
Joined Mar 2013
dealmashugunaDec 01, 2025 05:42 AM
3,622 Posts
Is this similar to plastidip? Can it be used to black out car parts or chrome etc. ?
Dec 01, 2025 06:28 AM
1 Posts
Joined Aug 2023
SharpMusic3547Dec 01, 2025 06:28 AM
1 Posts
Has sound deadening properties if you would like to try and quiet the ride.

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