It is for vehicles with an automatic transmission. Please check the cooler line fittings to ensure they match your original part.
Condition: Excellent (A)
Mileage: 127,600 miles
Auxiliary Radiator
It fits vehicles with the 6.0L engine and 4-speed automatic transmission. This radiator is for 4-door models and includes an engine oil cooler (option code KC4). Please check your cooler line fittings to ensure they match.
Condition: Excellent (A)
Mileage: 298,000 miles
Applies to 2020 and 2021 models.
Requires the 6.6 Liter Diesel Engine.
Must be the Auxiliary radiator.
OEM # 84098260
w/ 34 in x 17-1/4 in x 1 in Core w/ TOC (Transmission Oil Cooler) w/ EOC (Engine Oil Cooler)
w/ 34 in. x 17-1/2 in. x 1 in. Core; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler)
This fits models equipped with the 6.0 Liter or 6.2 Liter Engine.
It includes the Engine Oil Cooler.
OEM #: 22840116
with 34" x 1" Core; w/o EOC
Platinum Pro Part
Without Engine Oil Cooler With 34 inch Core
with 34" x 23" x 7/8" Core
w/o Engine Oil Cooler w/ Plate Type Transmission Oil Cooler w/ 34 in. Core Length w/ Upgraded Heavy Duty 1 1/4 in. Core Thickness
1-1/4" Core Thickness; w/ TOC w/ EOC HD Cooling
34" WIDE; 1" THICK; w/ EOC Premium Version
With Engine Oil Cooler And Transmission Oil Cooler With 34 inch Core With 3/4 inch Core Depth
with 34" x 17" x 1" Core; w/ TOC w/ EOC
This is a complete assembly.
w/ quick-connect outlet pipe & oil cooler fittings
23 1/4" Wide; w/EOC; Enhanced Unit Premium Version
with transmission oil cooler with engine oil cooler ; Platinum Pro Part
With Engine Oil Cooler And Transmission Oil Cooler With 34 inch Core
External Oil Cooler
Auxiliary Radiator
OEM #s: 22840116, 52487603, 20913751
Platinum Pro Part
This is a 3-piece Kit.
OEM #s: 22840116, 52487603
It is for vehicles with the 6.6L diesel engine. This is the lower auxiliary unit.
Condition: Good (B)
Mileage: 177,000 miles
w/ Transmission Oil Cooler w/o Engine Oil Cooler (3.73 Gear Ratio RPO GT4)
Platinum Pro Part
OEM #s: 84179524, 85145962
Platinum Pro Part
Special attention required, please refer to instruction sheet provided
This radiator kit features an Aluminum Core and a 2-Row Core design. It is suitable for 8 cylinder, 6.6L engines. The kit includes the Air Conditioning Condenser.
OEM #s: 15914079, 20913751
For 6.6 Liter Turbo models.
OEM # 84224661
OEM #s: 15914079, 20913752
1 ROW Equivalent
2 ROW Equivalent
With Allison Transmission
Platinum Pro Part
With 5/8 inch Transmission Oil Cooler Fittings
ALLISON TRANS
w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
w/5/8" Transmission Oil Cooler Fittings
Compatible with 6.6 Liter Gas Engine models.
OEM # 84565799
Without Allison Transmission
Platinum Pro Part 4
Standard Radiator
For models with 8.1L V8 gas engine.
For models with 4-speed automatic transmission.
OEM #: 89019168
Platinum Pro Part
w/ TOC
Main Radiator
without filler neck; Platinum Pro Part 5
without filler neck; Platinum Pro Part
w/ Transmission Oil Cooler w/o Engine Oil Cooler (3.73 Gear Ratio RPO GT4)
w/ Transmission Oil Cooler w/o Engine Oil Cooler (3.73 Gear Ratio RPO GT4)
3-Row; 1 5/16 in. Inlet; 1 9/16 in. Outlet; 21 3/8 x 40 1/2 in. Overall; Saddle Mount
Platinum Pro Part
3/8 in Transmission Oil Cooler Fittings
Applies to 2020 and 2021 models.
Requires the 6.6 Liter Diesel Engine.
OEM # 84799449
This radiator is for the main engine cooling system and fits the upper main position.
Condition: Good (B)
Mileage: 90,000 miles
Browse our selection of quality radiator parts designed specifically for your GMC Sierra 2500 HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
AT4 · AT4X · Base · Denali · Denali Ultimate · Pro · SL · SLE · SLT · WT
Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
6.0L V8 · 6.6L V8 · 8.1L V8 · V8 6.0L · V8 6.6L · V8 8.1L
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