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CB750
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Silicone rectifier rubber holder
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Topic: Silicone rectifier rubber holder (Read 3036 times)
BigAl (Alan)
SOHC Pro
Posts: 579
Hope its sunny at the weekend
Silicone rectifier rubber holder
«
on:
May 11, 2026, 11:52:28 AM »
Re - Silicone rectifier rubber holder, normally supplied with the main wire harness (example CB750F1)
Would any one know the part number for the rubber holder or a supplier
Picture attached...thanks in advance - Alan
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Current bikes:-
Honda CB750 K4 (1974) USA
Honda XL500S (1980) UK
Honda CD175 sloper (1968) UK
Honda CB1100A (2013) UK
www.alans-electrics.co.uk
Oddjob
SOHC Jedi
Posts: 4509
Re: Silicone rectifier rubber holder
«
Reply #1 on:
May 11, 2026, 02:26:53 PM »
Looks more like the clutch safety switch to me Al. See if the 550f lists them separately
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Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.
BigAl (Alan)
SOHC Pro
Posts: 579
Hope its sunny at the weekend
Re: Silicone rectifier rubber holder
«
Reply #2 on:
May 11, 2026, 02:59:17 PM »
Its part of the safety circuit which also involves the clutch switch
DS quotes the 'Rectifier silicone' part No. 31700-124-008 but there is no rubber holder listed on the DS site (CB750F1)
Fitted to a number bikes, but I have only seen them fitted on the main wire harness
Thanks for the reply
Logged
Current bikes:-
Honda CB750 K4 (1974) USA
Honda XL500S (1980) UK
Honda CD175 sloper (1968) UK
Honda CB1100A (2013) UK
www.alans-electrics.co.uk
Oddjob
SOHC Jedi
Posts: 4509
Re: Silicone rectifier rubber holder
«
Reply #3 on:
May 11, 2026, 04:54:19 PM »
Have a look at 38301-KJ6-743 looks like it might be suitable
No forget that.
Maybe 38306-107-670
«
Last Edit: May 11, 2026, 04:58:18 PM by Oddjob
»
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Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.
BigAl (Alan)
SOHC Pro
Posts: 579
Hope its sunny at the weekend
Re: Silicone rectifier rubber holder
«
Reply #4 on:
May 11, 2026, 05:33:40 PM »
Just googled both numbers...they come up as a Honda indicator/winker relay
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Current bikes:-
Honda CB750 K4 (1974) USA
Honda XL500S (1980) UK
Honda CD175 sloper (1968) UK
Honda CB1100A (2013) UK
www.alans-electrics.co.uk
Bryanj
Grogu
Posts: 12342
Re: Silicone rectifier rubber holder
«
Reply #5 on:
May 11, 2026, 06:22:13 PM »
Do you think the small indicator mount might work 38306 092 670?
The diode one is not shown so must come with loom
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Oddjob
SOHC Jedi
Posts: 4509
Re: Silicone rectifier rubber holder
«
Reply #6 on:
May 11, 2026, 06:23:33 PM »
The lower number shows as the rubber mount for me Al.
Try CMS
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Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.
BigAl (Alan)
SOHC Pro
Posts: 579
Hope its sunny at the weekend
Re: Silicone rectifier rubber holder
«
Reply #7 on:
May 11, 2026, 07:00:51 PM »
Thanks for the replies, but none of the above numbers came up on the CMS site
After a bit of a search part No. 32135-124-300 'holder, coupler' did come up on the CMS site...not in stock, but its a start.
Thanks again - Alan
Logged
Current bikes:-
Honda CB750 K4 (1974) USA
Honda XL500S (1980) UK
Honda CD175 sloper (1968) UK
Honda CB1100A (2013) UK
www.alans-electrics.co.uk
Bryanj
Grogu
Posts: 12342
Re: Silicone rectifier rubber holder
«
Reply #8 on:
May 11, 2026, 09:03:47 PM »
I have found with CMS that you frequently have to look at a different model to get the part number as although its on the parts illustration the item number does not show in the parts list
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Bryanj
Grogu
Posts: 12342
Re: Silicone rectifier rubber holder
«
Reply #9 on:
May 11, 2026, 09:06:33 PM »
The 38306 092 670? Number comes up
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Nurse Julie
1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
Grogu
Posts: 8691
Re: Silicone rectifier rubber holder
«
Reply #10 on:
May 12, 2026, 09:14:28 AM »
Al, is it just the part number you need or the actual part? I have a used one.
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LINK TO MY EBAY PAGE. As many of you know already, I give discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562
LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new
BigAl (Alan)
SOHC Pro
Posts: 579
Hope its sunny at the weekend
Re: Silicone rectifier rubber holder
«
Reply #11 on:
May 12, 2026, 10:13:24 AM »
Hi Bryan, the number does come up 38306-092-670 description (suspension/winker) part. Supports a square type indicator relay.
Hi Julie, that's ideal. PM me and I will Paypal asap
I'm looking for 10 No. parts, will wait and see if CMS re-stock
Many thanks again - Alan
Logged
Current bikes:-
Honda CB750 K4 (1974) USA
Honda XL500S (1980) UK
Honda CD175 sloper (1968) UK
Honda CB1100A (2013) UK
www.alans-electrics.co.uk
BigAl (Alan)
SOHC Pro
Posts: 579
Hope its sunny at the weekend
Re: Silicone rectifier rubber holder
«
Reply #12 on:
May 12, 2026, 11:11:57 AM »
Thanks Julie, donation now made to the site
Logged
Current bikes:-
Honda CB750 K4 (1974) USA
Honda XL500S (1980) UK
Honda CD175 sloper (1968) UK
Honda CB1100A (2013) UK
www.alans-electrics.co.uk
Bryanj
Grogu
Posts: 12342
Re: Silicone rectifier rubber holder
«
Reply #13 on:
May 12, 2026, 11:20:52 AM »
Al, i knew it was an indicator unit mount but from memory it is a similar size to the diode so i wondered if it might work for you, it is for the relay fitted to US bikes as against the UK ones
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BigAl (Alan)
SOHC Pro
Posts: 579
Hope its sunny at the weekend
Re: Silicone rectifier rubber holder
«
Reply #14 on:
May 12, 2026, 11:48:38 AM »
Hi Bryan, the indicator (suspension. winker) is larger than the (holder, coupler)
I have attached a picture, the 2-way connector is 18mm across. once fitted in the rubber mount it's quite a snug fit to support the connector/diode
Logged
Current bikes:-
Honda CB750 K4 (1974) USA
Honda XL500S (1980) UK
Honda CD175 sloper (1968) UK
Honda CB1100A (2013) UK
www.alans-electrics.co.uk
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Silicone rectifier rubber holder