# TYC 18145 Intercooler for 2020-2025 Chevrolet Silverado 2500 HD

### Performance Overview

OE-comparable core dimensions to achieve sufficient surface area for optimal cooling. Rigorous high pressure cycling tests to ensure product durability in high pressure turbocharged vehicles. Individually leak-tested to ensure product has no leaks.

California Proposition 65: WARNING - This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.go

### Key Features

#### Specifications

-   California Proposition 65: WARNING - This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.go
-   Core Height (in): 1.57
-   Core Length (in): 37.32
-   Core Material: Aluminum
-   Core Thickness (in): 22.71
-   Flow Configuration: CrossFlow
-   Inlet Connection Type: Hose clamp
-   Inlet Diameter: 76.5
-   Outlet Connection Type: Hose clamp
-   Outlet Diamter: 72

#### Package Details

-   Part Number: 18145
-   20-24 CV SLVRD 2500/3500HD 6.6L DIESEL TUR CAC
-   Package L x W x H: 49.80" x 8.46" x 26.57"
-   Package Weight: 35.80 lbs.

#### Interchanges

-   GMC: 84012682
-   Chevrolet: 84012682
-   Chevrolet: 84747171
-   GMC: 84747171
-   Partslink: GM3012129

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2020

Chevrolet

Silverado 2500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2021

Chevrolet

Silverado 2500 HD

Custom; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Custom; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2021

Chevrolet

Silverado 2500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2022

Chevrolet

Silverado 2500 HD

Custom; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Custom; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2022

Chevrolet

Silverado 2500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2023

Chevrolet

Silverado 2500 HD

Custom; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Custom; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2023

Chevrolet

Silverado 2500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2024

Chevrolet

Silverado 2500 HD

Custom; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Custom; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2024

Chevrolet

Silverado 2500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2024

Chevrolet

Silverado 2500 HD

ZR2; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2025

Chevrolet

Silverado 2500 HD

Custom; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Custom; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2025

Chevrolet

Silverado 2500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2025

Chevrolet

Silverado 2500 HD

ZR2; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2020

Chevrolet

Silverado 3500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2021

Chevrolet

Silverado 3500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2022

Chevrolet

Silverado 3500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2023

Chevrolet

Silverado 3500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2024

Chevrolet

Silverado 3500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2025

Chevrolet

Silverado 3500 HD

High Country; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / LT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / LT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / LTZ; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / WT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / WT; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2020

GMC

Sierra 2500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2020

GMC

Sierra 2500 HD

Base; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2020

GMC

Sierra 2500 HD

SLT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2021

GMC

Sierra 2500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2021

GMC

Sierra 2500 HD

Base; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2021

GMC

Sierra 2500 HD

SLT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2022

GMC

Sierra 2500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2022

GMC

Sierra 2500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2022

GMC

Sierra 2500 HD

SLT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2023

GMC

Sierra 2500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2023

GMC

Sierra 2500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2023

GMC

Sierra 2500 HD

SLT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup

6.6L DIESEL

2024

GMC

Sierra 2500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2024

GMC

Sierra 2500 HD

AT4X; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali Ultimate; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2024

GMC

Sierra 2500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2025

GMC

Sierra 2500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2025

GMC

Sierra 2500 HD

AT4X; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali Ultimate; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2025

GMC

Sierra 2500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2020

GMC

Sierra 3500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2020

GMC

Sierra 3500 HD

Base; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / Base; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2021

GMC

Sierra 3500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2021

GMC

Sierra 3500 HD

Base; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / Base; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Base; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2022

GMC

Sierra 3500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2022

GMC

Sierra 3500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2023

GMC

Sierra 3500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2023

GMC

Sierra 3500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2024

GMC

Sierra 3500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2024

GMC

Sierra 3500 HD

Denali Ultimate; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2024

GMC

Sierra 3500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

2025

GMC

Sierra 3500 HD

AT4; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Denali; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / SLE; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup / SLT; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2025

GMC

Sierra 3500 HD

Denali Ultimate; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

6.6L DIESEL

2025

GMC

Sierra 3500 HD

Pro; 6.6L V8 6599cc 403ci; Turbocharged; Cab & Chassis / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup / Pro; 6.6L V8 6599cc 403ci; Turbocharged; Standard Cab Pickup

6.6L DIESEL

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 18145.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the Vehicle Fitment Table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the Vehicle Fitment Table before ordering.

### Common Searches

-   Intercooler for Chevrolet Silverado 2500 HD
-   18145 fitment
-   TYC Intercooler
-   2020-2025 Chevrolet Silverado 2500 HD Intercooler

## Details

- **Price:** 997.37 CAD
- **Vendor:** TYC
- **Type:** Intercooler
- **Tags:** 18145, 2020-2021 GMC Sierra 2500 HD, 2020-2021 GMC Sierra 3500 HD, 2020-2023 GMC Sierra 2500 HD, 2020-2025 Chevrolet Silverado 2500 HD, 2020-2025 Chevrolet Silverado 3500 HD, 2020-2025 GMC Sierra 2500 HD, 2020-2025 GMC Sierra 3500 HD, 2021-2025 Chevrolet Silverado 2500 HD, 2022-2025 GMC Sierra 2500 HD, 2022-2025 GMC Sierra 3500 HD, 2024-2025 Chevrolet Silverado 2500 HD, 2024-2025 GMC Sierra 2500 HD, 2024-2025 GMC Sierra 3500 HD, Denali Ultimate; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup, Intercooler, SLT; 6.6L V8 6599cc 403ci; Turbocharged; Extended Cab Pickup, TYC, ZR2; 6.6L V8 6599cc 403ci; Turbocharged; Crew Cab Pickup

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 997.37 CAD | In stock |

## Images

- TYC 18145 Intercooler for 2020-2025 Chevrolet Silverado 2500 HD

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/tyc-18145-intercooler)
> Updated: 2026-07-31