GROCO Backing Block f/2" and 2-1/2" Seacocks - BB-3

Marsoni

M251S

$66.99

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

GROCO Backing Block f/2" and 2-1/2" Seacocks - BB-3GROCO Backing Block f 2" and 2 1 2" Seacocks BB 3 Backing Block for 2" and 2 1 2" Seacocks Features: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange Rigid 1 2" thickness provides secure installation but is flexible enough to conform to minor hull curvature Will not swell or absorb moisture Made from an environmentally friendly PVC foam specially

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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So a Toyota dealer will want $40+ to replace this filter, but for $10 and 2mins you can easily do this yourself. There’s a great 1:30 how-to vid on the YouTube, drop the glove box (one push) open the little door, remove old filter (note the arrow) and put in the new one, close door, close glove box, enjoy better flow and fresh air. This filter is a HEPA so it’s a performance upgrade over the OEM, fit is perfect, seems sturdier than the OEM, great value if you’ve got 2mins. Highly recommend. Thanks!

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Reviewed in the United States on June 23, 2025

Verified Purchase

Karen Michael-Pook

Massapequa, US

★★★★★ 5

Awesome Cabin Air Filter

Style: BE-151H 1-Pack

This product is not only cost efficient, it was also easy to install. The instructions in the package were helpful. I would definitely recommend using this filter for your 2017 Hyundai Sonata.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 13, 2026