BJ73 radiator part number

Hugh Heifer

Chasing the Beast
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May 10, 2006
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7,051
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Rome, GA
 
 
Chris,
One suggestion with the radiator repair shop path, have them take pictures before they start. When they rebuilt the radiator for the '86 BJ70, they confused themselves on reassembly by referring to FJ60 radiator pictures which were the only pictures in their catalog. This was easily corrected because I was able to walk them through it, but it meant rework (extra for them and delay in getting my radiator back for installation). But is was avoidable.
Good luck welcome back to the neighborhood.
I may just bring it to the place you used since they have done one before. It may be memorable since they had to redo it.
 
Joined
Jun 26, 2017
Messages
121
Location
hanover, nh
I am going to have to replace my 1988 BJ73 radiator and found these two options. Both appear identical (except the price). One Ebay and one Amazon. I noticed niether appear to have a petcock or any kind of drain.
View attachment 2149468View attachment 2149469
Anyone have any experience with these? There was one positive review on the fleabay one.

My other question is, if I got mine cored, the orientation of available four cores is oriented 90° from the oem. Meaning the water moves up and down rather than horizontal. I am curious, given the inlet and outlet are on the same side on the BJ73 rad, if the 4 core would not be terribly efficient and coolant would not circulate through the entire core.
Thoughts?



I realize I'm late the party on this one, but I've now tried two of these aluminum rads from China and both failed within a couple of months.
 
Joined
Aug 15, 2019
Messages
19
Location
Colorado
I am going to have to replace my 1988 BJ73 radiator and found these two options. Both appear identical (except the price). One Ebay and one Amazon. I noticed niether appear to have a petcock or any kind of drain.
View attachment 2149468View attachment 2149469
Anyone have any experience with these? There was one positive review on the fleabay one.

My other question is, if I got mine cored, the orientation of available four cores is oriented 90° from the oem. Meaning the water moves up and down rather than horizontal. I am curious, given the inlet and outlet are on the same side on the BJ73 rad, if the 4 core would not be terribly efficient and coolant would not circulate through the entire core.
Thoughts?
@Hugh Heifer I replaced my original BJ-73 (3B) radiator with the aftermarket one built by Winner Racing on Ebay. Overall quality is solid, but here are a few things to be aware of:

1) Top mounting points/arms are too narrow, so the original rubber (top) mounts will need to be modified so that they can accept the new radiator.
2) Need to cut away a bit of aluminum next to the top mounting arms to be able to slide it in to bracket.
3) Need to drill all holes for the fan shroud (and use some nuts to secure bolts)
4) There is no mounting point for the air duct on the top of the radiator.

All said and done, it works really well. Hopefully it stands the true test of time!
 
Last edited:
Joined
Jul 22, 2003
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17,588
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Perth Western Australia
 
 
 
Mmm yes correct. But he has sold 18000 radiators and related items in 13 years, so maybe he let the office lady put the ad on ebay.

You can only ask the seller. The ad does say HZJ HDJ as well as BJ7*, so maybe they pulled out some generic pic
 

Hugh Heifer

Chasing the Beast
Joined
May 10, 2006
Messages
7,051
Location
Rome, GA
 
 
I just have to find time to get mine out and get it to Larry's guy in Kennessaw. Tomorrow would ave been a good day to cart it down since I will be down there anyway but it is still in the truck - mocking me.
 
Joined
Jul 22, 2003
Messages
17,588
Location
Perth Western Australia
 
 
 
Looking through his stock list, he also has a left hand in/outlet for the B engine but the price jumps up to $840 AUD and they dont have a radiator cap.


1583280163929.png
 

Onur

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GOLD Star
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Aug 28, 2004
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NY, USA
 
 
 
Looking through his stock list, he also has a left hand in/outlet for the B engine but the price jumps up to $840 AUD and they dont have a radiator cap.


View attachment 2228305
Correct because most B engine iterations have the cap built into the top of the thermostat housing.

The radiator has no cap and has a boss for where the cap would reside.

image.jpg
 

Hugh Heifer

Chasing the Beast
Joined
May 10, 2006
Messages
7,051
Location
Rome, GA
 
 
I got mine cored at Rome Radiator for $590.
It was in dire need.
20200326_162312.jpg
20200326_162317.jpg

The guy is old school and a one man show. He pressured tested it first and gave me a couple options. I chose to stick with three row to ensure fitment. He saw no reason to go with more given the design.
I will put up a thread on thw replacement.
 
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