Weber IDF downdraft carburetor Plenum power cap 90 degree 2

Weber IDF downdraft carburetor Plenum power cap 90 degree 2" Left

Marsoni

M251S

$99.90

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

Weber IDF downdraft carburetor Plenum power cap 90 degree 2" LeftWeber IDF plenum 90 degree 2"inlet. Will fit 40 44 IDF Style carburetors. Cast aluminum polish finish. 1x 1"24 TPI thread female port. 2x 1 8 NPT thread female port. 1x 1 4" thread female port. Top cap for easily changing jets.

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When I received it, it was so small that I thought it was a toy, or maybe for some 4cyl engine. It is significantly smaller than the original one. When I looked closer, the mount holes did line up, so I tried it. I did have to get shorter mount bolts. To my surprise, it works great! I don't know what the longevity will be, but it made it through a busy august! Considering the price and how small it is, I might just buy a second one to keep on board. Just in case.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 14, 2025

Verified Purchase

Bob Valentine

Los Angeles, US

★★★★★ 1

Warning!!!

I was so impressed after install!! Fired right up faster that it ever has in the past, had the boat out about 8 times and CACK!!! They say they will stand behind the product and replace it, but do I risk another day ruined on the river? Btw, I have a Volvo penta 5.0 21.5' Larson I/O

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 28, 2025