Thomas Radiators – Browse replacement parts

Do you need a new Thomas 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 Thomas 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 310142 Radiator for your 2007 and up Thomas Bus.

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 Thomas radiator replacement or schedule to bring us your radiator to evaluate for repair.

Freightliner / Thomas B2 Bus 2007-2017 - 310021

Freightliner / Thomas B2 Bus 2007-2017

310021 Radiator

OE NUMBERS

310021PTWF
310021WMP
3121
S3121
X3121
SPI20011721
20011721
ABPN2020011721
201RA021
SCSI239173
SC239173
239173
43173P
FR78OC
FR78OCPA
THO04
RDBS3021
200009
HD200009
437290
437290P
437290S
LT1184
1184
HD1184
LT9269
PT7290
REA4210340
4210340
HDC010883PF
HDC010318
HDC010318PA
HDC010318P
VAB1003670
VAL1003670
1003670
VAB1003671A
VAL1003671A
1003671A
VAB1003671
VAL1003671
1003671

VAB1003699
VAL1003699
1003699
VAB1003700
VAL1003700
1003700
VAB1040251
VAL1040251
1040251
VAB1040250
VAL1040250
1040250
VAB1040251AR
VAL1040251AR
1040251AR
VAB1040279
VAL1040279
1040279
VAB1040293
VAL1040293
1040293
VAB1050164
VAL1050164
1050164
VAB1050197
VAL1050197
1050197
VAB1050198
VAL1050198
1050198
VAB1102430
VAL1102430
1102430
VAB1102431
VAL1102431
1102431
1102906
1004038
VAB1004038
VAB1003835
1003835
A0531282001

Thomas 310051 radiator drawing

Thomas Bus Radiator

310051 Radiator

OE NUMBERS

310051BT
3A50206
3S50220
MOD3S50220
3A51629

Thomas 310068 radiator drawing

Thomas Bus Bolt on Tank Radiator

310062 Radiator

OE NUMBERS

310062BT
62192058
1A19125
8112
S8112
559093
239093
SCSI239093
TR9093

View Product Browser With Pictures

Part Number Height Width Depth Filler Neck Product Inlet Outlet Oil Cooler 
3100513018.1252.25NoneRadiatorTop LeftBottom RightLeft
31006830192.25 Radiator   
31006229.875252Top RightRadiatorTop LeftBottom RightBottom
31002129.62525.752.25NoneRadiatorLeft / TopRightBottom
31003528.812525.252.25NoneRadiatorRightLeftBOTTOM
31006428.437527.752.25NoneRadiatorTop LeftBottom RightBottom
31005228.12527.1251.5625NoneRadiatorTop LeftBottom RightBottom
310083WF27.532.68752.25NoneRadiatorRightLeftNone
31014227.437525.06252.0625NontRadiatorLeftRightBottom