Radiator Identification

[Dan693]

Hello All,

I am working on a my 1953 Dodge B4B project ans have acquired 3 radiators with three different part numbers.

Can anyone assist with sorting out the differences in the three?

Original to the truck: PN 1272446H

Spare #1: PN 1272446

Spare #2: PN 1272446P

One spare is from a 1952 1/2 ton and the other from a 1952 1 ton but I do not know which is which.

Thanks in advance,

Dan

 

[bach4660]

36 minutes ago, Dan693 said:

Hello All,

I am working on a my 1953 Dodge B4B project ans have acquired 3 radiators with three different part numbers.

Can anyone assist with sorting out the differences in the three?

Original to the truck: PN 1272446H

Spare #1: PN 1272446

Spare #2: PN 1272446P

One spare is from a 1952 1/2 ton and the other from a 1952 1 ton but I do not know which is which.

Thanks in advance,

Dan

 

 

There was a post  from JB Neal

ooking through my stack of spare radiators and radiators in my trucks, I was scratching my head at what I was finding:

• '48 B-1-B:  1195170 was pulled from a '48 parts truck, has the large fill neck, a discharge right overflow tube, and 2-1/4" core
• '48 B-1-D:  1195178 has the large fill neck, a discharge right overflow tube, and 2-1/4" core
• '49 B-1-D:  1195178 has the large fill neck, a discharge left overflow tube, and 2-1/4" core
• '51 B-3-D:  1272446 has the small fill neck, a discharge right overflow tube, and 2-1/4" core
• '52 B-3-B:  1272446 has the small fill neck, a discharge right overflow tube, and 2-1/4" core
• '53 B-4-B:  1272446 has the small fill neck, a discharge right overflow tube, and 2-1/4" core
• spare (1):  1195178 has the large fill neck, a discharge right overflow tube, and 2-3/4" core
• spare (2):  1272446 has the small fill neck, a discharge left overflow tube, and 2-1/4" core
• spare (3):  1272947 has the small fill neck, a discharge right overflow tube, and 2-1/2" core
• spare (4):  same as spare (3)

 

As reported earlier, the 1195170 was superseded by 1272945.  But I cannot locate the other part numbers in my parts books, and at a glance, these radiators all look the same with respect to tanks, core thickness, and inlets + outlets.  The differences in overflow tube discharge direction has me a little stumped, as the left discharge radiators do not appear to have been repaired, so maybe these are deviations from Dodge specifications.  From a practical standpoint, the left discharge seems to be a defect as any sharp right turn or traversing a slope at an angle will cause coolant to drain out, whereas the right discharge would allow more coolant to stay in the tank.  The 2-3/4" core might be a repair job, but it is a honeycomb core, so maybe that too is a deviation.

 

At any rate, these part numbers might be helpful in determining if your radiator might be relatively original, a replacement, or "custom"

Edited December 17, 2019 by JBNeal
revised info

 

 

[JBNeal]

additional information - radiator identification for non-pressurized systems

[Dan693]

Brian,

Thank you for the great reply and additional information.

That is great information on the radiators.

Is there any significance to the letter H on the radiator in my truck or the P on one of the spares?

1272446H and 1272448P

Dan

[JBNeal]

my research was focused on parts in my possession and listings in the factory parts manual...this originally started by noticing a change in the radiator cap sizes between a '49 and '51 1-ton trucks and kinda snowballed...if it's not detailed in the factory parts manual, then I'd just be guessing as to what those tail-end letters represent.