Fuel Filter w/ Internal Regulator LS Swap LS1 LS2 LS3 Conversion Adapter

Fuel Filter w/ Internal Regulator LS Swap LS1 LS2 LS3 Conversion Adapter

Marsoni

M251S

$41.00

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

Fuel Filter w/ Internal Regulator LS Swap LS1 LS2 LS3 Conversion AdapterLS Swap Fuel Filter w Internal Regulator Package Includes: 1 fuel filter w internal regulator (factory set at 58psi with built in return line) *if you are using larger than a 255lph fuel pump than it is possible to see higher than 58psi

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Just installed in a 2006 4Runner. Can’t speak to exact filter partials or longevity, but what I can’t say is that it fits very well and looks to be made very well. It actually fits better than the Bosh filters I normally use. Has a nice foam seal around all 4 edges and fits in the tray perfectly. Seem to be a nice option. So if you have a 03-09 4Runner it’s going to work well. Here’s some pictures of this filter (the blue one) next to a Bosh filter I removed. Also a picture with it in the factory tray.

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Reviewed in the United States on March 1, 2026