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Weber Idle Jet, IDF, DCNF

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These idle jets are located just below the top plate on either side of the float bowl on the Weber DCN(F) and IDF carburetors. Two jets are required per carburetor. Note the unusual "necked-down" portion near the air inlet hole on the side of the jet. Most other Weber models use idle jets with a consistent OD at the side hole location. Sold individually.

Larger size numbers indicate a richer idle mixture. Most applications work well with a 45 or 50 size, but many Maserati applications were originally fitted with the 60 size. The air inlet hole on the side is not calibrated, so there are no "F" numbers on these jets. Idle air metering is determined by the hole in the jet holder.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

74405-35

Weber IDF Idle Jet, Size 35

$5.99In Stock

74405-40

Weber IDF Idle Jet, Size 40

$5.99In Stock

74405-45

Weber IDF Idle Jet, Size 45

$5.99In Stock

74405-50

Weber IDF Idle Jet, Size 50

$5.99In Stock

74405-60

Weber IDF Idle Jet, Size 60

$5.99In Stock

74405-70

Weber IDF Idle Jet, Size 70

$5.99In Stock
 
Related Product Groups
Weber IDF Parts & Jets

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Weber Idle Jet, IDF, DCNF
 
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5.0

Just as described, good price fast ship

By Billy

from Elon, NC

Verified Buyer

Comments about Weber Idle Jet, IDF, DCNF:

rejetting 44IDF Webers

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