Block Heater Bolt

silverslp · 10-16-2018, 05:21 PM

I just purchased a used OEM block heater for my 2002 SC but it did not come with a mounting bolt. Does anyone have the size/thread for this bolt so I can pick one up at the local hardware store?

macbox · 10-17-2018, 10:21 AM

Just took a look at my block, an 8mm 1.25 goes in, and the bolt hole is a good 30mm deep. An 8mm 1.25 20 or 25mm should work. The length of the bolt is probably for transferring the heat into the block, so I would try the 25 or 30mm length bolt.

silverslp · 10-17-2018, 03:06 PM

Excellent, thank you!

W1PIT · 10-18-2018, 12:16 PM

The bolt that came with my yet to be installed block heater is 20mm long,same diameter and pitch as above.This was N.O.S purchased long ago . This maybe the year!

10-16-2018, 05:21 PM	#1
silverslp Member Join Date: Dec 2014 Location: Wisconsin Posts: 61 2002 SC1 1998 SL2	Block Heater Bolt I just purchased a used OEM block heater for my 2002 SC but it did not come with a mounting bolt. Does anyone have the size/thread for this bolt so I can pick one up at the local hardware store? ... 2002 Saturn SC1 - 175k Miles - Manual Trans. 2005 Saturn Ion 3 - 115k Miles - Auto Trans. 1998 Saturn SL2 - 185k Miles - Auto Trans.

10-17-2018, 10:21 AM	#2
macbox Senior Member Join Date: Jul 2006 Location: Minneapolis, MN Posts: 1,203 macbox's Photos 1995 SC2 1997 SC2	Re: Block Heater Bolt Just took a look at my block, an 8mm 1.25 goes in, and the bolt hole is a good 30mm deep. An 8mm 1.25 20 or 25mm should work. The length of the bolt is probably for transferring the heat into the block, so I would try the 25 or 30mm length bolt. ... "The Twins" #4, "Betty" 1995 SC2m, 163K, 400 Miles per quart. Garage queen. Currently in 1000 pieces for a rebuild. #7 "Betsy" 1995 SC2, 131K, daily driver.

10-17-2018, 03:06 PM	#3
silverslp Member Join Date: Dec 2014 Location: Wisconsin Posts: 61 2002 SC1 1998 SL2	Re: Block Heater Bolt Excellent, thank you! ... 2002 Saturn SC1 - 175k Miles - Manual Trans. 2005 Saturn Ion 3 - 115k Miles - Auto Trans. 1998 Saturn SL2 - 185k Miles - Auto Trans.

10-18-2018, 12:16 PM	#4
W1PIT Junior Member Join Date: Dec 2014 Location: N.W Indiana Posts: 32 1996 SL2 2001 SL2	Re: Block Heater Bolt The bolt that came with my yet to be installed block heater is 20mm long,same diameter and pitch as above.This was N.O.S purchased long ago . This maybe the year!

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