GMC Radiators – Browse replacement parts
Do you need a new GMC radiator, or can it be repaired? How can you tell if the radiator is repairable or if you need a new one? Major coolant leaks are a common indicator that a new radiator is your best option. Active is here to help! We can help to bridge the gap in the current supply chain issues and get you the parts that you need!
The main component of your cooling system is the radiator, it keeps your engine at the optimal operating temperature. This is why it is so important to ensure that it is in working order. While using your vehicle, you can be confident that should you need repair, we can help you through that! If your radiator is beyond any repair, Active Radiator has the most popular GMC replacement parts in stock across the U.S. If we do not have it we will make it for you! For example, we have the 580011 Radiator for your GMC Topkick.
Experience the Active advantage today! We’ll help get your equipment back in service quickly with minimal downtime. Find a location near you to buy a GMC radiator replacement or schedule to bring us your radiator to evaluate for repair.

GMC Topkick / Kodiak Radiator Diesel Engine 1990-1994
OE NUMBERS
580002ST
5802
S5802
GMC02
GMC02PA
605RA002
580008
580008ST
GMC08
GMC7349
437349
437349P
437349S
437377
437377P
437377S
GMC18
GMC7190
437190
437190P
437190S
231812
SC231812
SCSI231812
TR1812
CR1812
SCSI239321
SC239321
239321
TR9321
SCSI231236
231236
CU1236
TR1236
SRM1236
RW1236
551236
FLX00811
11C7763
REA411812A
HDC010282
HDC010282PA
HDC010290PA
HDC010290SK
HDC010295
HDC010295PA
LT9119
LT9120
1R2652
1R2655
RA1021
RA1089
2400047
20506
20525
20814
21641
3096047
52452178
52452179
52456571
52465094
52469620
89018626
93801967

GMC Truck Topkick / Kodiak
OE NUMBERS
580013ST
LT9156
HDC010285
HDC010285PA
231232
SC231232
SCSI231232
231233
CR1233
SC231233
SCSI231233
239333
SC239333
SCSI239333
CAVTU17333
GMC1733
20528
20505
3096058
52499635
(GM supersedes this to our 580003)

GMC T series / Isuzu F Series 1999-2002
OE NUMBERS
580031ST
232106
TR2106
232049
SCSI232049
TR2049
GMC2049
552049
RADCH106
206001
20877
52470233
Part Number | Height | Width | Depth | Filler Neck | Product | Inlet | Outlet | Oil Cooler |
---|---|---|---|---|---|---|---|---|
580001 | 27.5 | 26.4375 | 1.5 | Right | Radiator | Left | Right | Left |
580002 | 31.375 | 26.4375 | 1.5 | None | Radiator | Left | Right | Right |
580003 | 31.375 | 26.4375 | 1.5 | Right | Radiator | Left | Right | Right |
580004 | 35.5 | 26.4375 | 1.5 | None | Radiator | Left | Right | Right |
580005 | 35.875 | 26.4375 | 1.5 | None | Radiator | Left | Right | None |
580006 | 35.875 | 26.4375 | 1.5 | None | Radiator | Left | Right | Right |
580008 | 31.375 | 26.4375 | 1.5 | None | Radiator | Left | Right | None |
580009 | 31.375 | 24.5 | 1.5 | None | Radiator | Left | Right | None |
580010 | 31.375 | 24.5 | 1.5 | None | Radiator | Left | Right | None |
580011 | 31.375 | 24.5 | 1.5 | Right | Radiator | Left | Right | Left |
580012 | 31.375 | 24.5 | 1.5 | Right | Radiator | Left | Right | Right |
580013 | 31.375 | 26.4375 | 1.5 | Right | Radiator | Left | Right | Left |
580014 | 23.3125 | 21.75 | 1.5 | Top | Radiator | Left | Left | Bottom / Front |
580016 | 23.3125 | 21.75 | 1.5 | Top | Radiator | Left | Right | Bottom / Front |
580017WF | 23.3125 | 21.75 | 1.5 | Radiator | Left | Right | Bottom / Front | |
580018 | 27.5 | 20.9375 | 1.5 | Radiator | ||||
580024 | 23.3125 | 21.75 | 1.5 | Top | Radiator | Left | Right | Bottom / Front |
580025 | 23.3125 | 21.75 | 1.5 | Top | Radiator | Left | Right | Bottom / Front |
580026 | 23.3125 | 21.75 | 1.5 | Top | Radiator | Left | Right | Bottom / Front |
580027 | 24.375 | 23.5 | 1.5 | Top | Radiator | Left | Left | Bottom / Front |
580028 | 23.3125 | 21.75 | 1.5 | Top | Radiator | Left | Right | Bottom / Front |
580029 | 42.875 | 23.1875 | 2 | Right | Radiator | Left | Right | Right |
580030 | 37.125 | 23.1875 | 2 | Right | Radiator | Left | Right | Right |
580031 | 30.375 | 24.5 | 1.4375 | None | Radiator | Left | Right | Bottom |
580032 | 30.5 | 18.625 | 1.25 | Right | Radiator | Left | Right | Right |
580033 | 37.1875 | 19.0625 | 1.4375 | None | Radiator | Left | Right | Right |
580034 | 37.1875 | 19.0625 | 1.4375 | None | Radiator | Left | Right | Right |
580035 | 31.375 | 24.5 | 1.5 | Right | Radiator | Left, Top | Right, Bottom | Left |
580036 | 27.625 | 20.8125 | 1.5 | Top Left | Radiator | Top Right | Bottom Left | None |
580037 | 27.625 | 20.9375 | 2.5 | Top Left | Radiator | Top Right | Bottom Left | None |
580042 | 37.25 | 23.25 | 1.5 | None | Radiator | Left, Top | Right, Bottom | Right |
580043 | 37.125 | 23.1875 | 2 | None | Radiator | Left | Right | Right |
580044 | 24.375 | 23.5 | 1.4375 | Right | Radiator | Left | Right | Bottom / Front |
580045 | 31.625 | 24.1875 | 2.25 | Top Left | Radiator | Top Right | Bottom Left | None |
580046 | 34.375 | 25.375 | 1.5 | None | Radiator | Top Left | Bottom Right Curved | None |
580047 | 30.375 | 24.5 | 1.4375 | None | Radiator | Left | Right | Bottom |
580049 | 37.25 | 25.75 | 2.75 | None | Radiator | Left Top | Right Bottom | None |
580050 | Radiator | |||||||
580051 | Radiator | |||||||
580052 | Radiator | |||||||
580053 | Radiator | |||||||
580054 | Radiator | |||||||
580055 | Radiator | |||||||
580056 | 20.0625 | 21.375 | 1.25 | Right | Radiator | Left | Right | Bottom |
580057 | 24.375 | 23 | 1.25 | Right Front | Radiator | Left | Left | Bottom |
580058 | 37.125 | 20.1875 | 2.25 | None | Radiator | TOP LEFT | BOTTOM RIGHT | RIGHT |