It features an engine oil cooler (option code KC4). Check the cooler line fittings to ensure they match your vehicle.
Condition: Excellent (A)
Mileage: 235,600 miles
Auxiliary Radiator
with 34" x 1" Core; w/o EOC
Check the cooler line fittings to ensure they fit your vehicle. This part is for vehicles with an automatic transmission and a 6.0L or 6.2L engine. It fits vehicles without a 3.73 axle ratio.
Condition: Excellent (A)
Mileage: 136,000 miles
with 34" x 17" x 1" Core; w/ TOC w/ EOC
It is compatible with vehicles equipped with the 6.0L engine and automatic transmission. It features an engine oil cooler (option code KC4). Please check your cooler line fittings to ensure proper fitment.
Condition: Excellent (A)
Mileage: 165,000 miles
It is for 4-wheel drive vehicles with a 6.0L engine and an automatic transmission. This radiator includes an engine oil cooler (option code KC4). Please check your cooler line fittings to ensure they match.
Condition: Excellent (A)
Mileage: 146,000 miles
It measures 17-1/4 inches by 34 inches by 1-1/16 inches. This part fits vehicles with a 3.73 rear axle (option code GT4), a 4.10 rear axle (option code GT5), or an engine oil cooler (option code KC4). It also fits vehicles with a manual transmission.
Condition: Excellent (A)
Mileage: 165,000 miles
The core dimensions are 18-1/2 inches by 34 inches by 1-1/8 inches.
Condition: Excellent (A)
Mileage: 143,000 miles
Applies to 2020 and 2021 models.
Requires the 6.6 Liter Diesel Engine.
Must be the Auxiliary radiator.
OEM # 84098260
It is for 4x4 vehicles with a 6.0L engine and automatic transmission. This radiator includes an engine oil cooler (option code KC4). Please check your cooler line fittings to ensure they match.
Condition: Excellent (A)
Mileage: 137,000 miles
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
with 34" x 23" x 7/8" Core
This fits models equipped with the 6.0 Liter or 6.2 Liter Engine.
It includes the Engine Oil Cooler.
OEM #: 22840116
w/ 34 in x 17-1/4 in x 1 in Core w/ TOC (Transmission Oil Cooler) w/ EOC (Engine Oil Cooler)
For vehicles with the 6.0L engine.
Condition: Good (B)
Mileage: 138,000 miles
w/ 34 in. x 17-1/2 in. x 1 in. Core; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler)
Condition: Excellent (A)
Mileage: 110,600 miles
Condition: Excellent (A)
Mileage: 148,000 miles
Without Engine Oil Cooler With 34 inch Core
Platinum Pro Part
w/ quick-connect outlet pipe & oil cooler fittings
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
27mm Core
This is a complete assembly.
23 1/4" Wide; w/EOC; Enhanced Unit Premium Version
With Engine Oil Cooler And Transmission Oil Cooler With 34 inch Core
with transmission oil cooler with engine oil cooler ; Platinum Pro Part
External Oil Cooler
Platinum Pro Part
This part 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
For 6.6 Liter Turbo models.
OEM # 84224661
Special attention required, please refer to instruction sheet provided
For vehicles with the 6.6L turbo diesel engine and automatic transmission.
Condition: Excellent (A)
Mileage: 157,300 miles
Standard Radiator
1 ROW Equivalent
2 ROW Equivalent
With Allison Transmission
Platinum Pro Part
It fits vehicles with the 6.6L turbo diesel engine and automatic transmission. The radiator core measures 29.50 inches by 25.75 inches.
Condition: Excellent (A)
Mileage: 45,400 miles
With 5/8 inch Transmission Oil Cooler Fittings
ALLISON TRANS
Compatible with 6.6 Liter Gas Engine models.
OEM # 84565799
w/5/8" Transmission Oil Cooler Fittings
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
Without Allison Transmission
Platinum Pro Part 4
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/ 5/8 Quick Connect Fittings
For models with 8.1L V8 gas engine.
For models with 4-speed automatic transmission.
OEM #: 89019168
This is a brand new aftermarket replacement part. This radiator is compatible with vehicles equipped with a 6.0L engine.
Condition: Excellent (A)
Main Radiator
without filler neck; Platinum Pro Part
3/8 in Transmission Oil Cooler Fittings
This part is for gasoline engines.
Condition: Excellent (A)
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)
w/ TOC
Platinum Pro Part
3-Row; 1 5/16 in. Inlet; 1 9/16 in. Outlet; 21 3/8 x 40 1/2 in. Overall; Saddle Mount
This engine cooling radiator is an original equipment manufacturer (OEM) part.
Condition: Excellent (A)
Condition: Excellent (A)
Mileage: 99,000 miles
This is a brand new aftermarket replacement part. This radiator is compatible with vehicles equipped with the 6.6L diesel engine.
Condition: Excellent (A)
Applies to 2020 and 2021 models.
Requires the 6.6 Liter Diesel Engine.
OEM # 84799449
This is the upper main radiator.
Condition: Good (B)
Mileage: 71,000 miles
For vehicles with the 6.6L diesel engine and automatic transmission. This is the upper main radiator for vehicles equipped with air conditioning.
Condition: Excellent (A)
Mileage: 51,000 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.
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