This idle jet holder has a 3mm hole to accept the Weber DFAV / IDA3 Idle Jet (Part No. 1587, sold separately).* The body has M6 male threads (6 x 1.0mm, 9.5mm UHL). Sold individually. Requires an Idle Jet Holder O-Ring (Part No. 1586-39, sold separately).
Fits the following Weber carburetors:
28/36 DCD* (2 required)
32/36 DFV / DFAV / DFEV (2 required)
32 DIR (1 required)
36 DCD * (1 required)
40 DFAV (2 required)
40 DCN * (2 required) - not DCNF or DCNL
40, 46 IDA3 (3 required) - 3-barrel IDA3 only, not 2-barrel IDA
* DCD and DCN carburetors take a different Weber DCD/DCN Idle Jet (Part No. 74401) than noted above.
Note: Fits genuine Weber (made in Italy or made in Spain) carburetors only! Does not fit most copies, Asian knock-offs, or work-alikes.