









2017-2019 Duramax Upper Coolant Tube (637-1-HSP)
Description
Fits
| Year | Make | Model | Trim |
| 2017-2019 | GMC | Sierra 2500 HD | , Denali, SLE, SLT |
| 2017-2019 | GMC | Sierra 3500 HD | , Denali, SLE, SLT |
| 2017-2019 | Chevrolet | Silverado 2500 HD | High Country, LT, LTZ, WT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT |
Give your engine bay a little razzle-dazzle with the HSP Upper Coolant Tube; made from aluminum, not only will it look good but wont crack or cause cooling system failures like the OEM unit. This part requires no modifications to install and can be done quickly with basic knowledge.
Part Number: 637-1-HSP
Features
- Maintains factory routing
- 2 inch OD tubing to match factory hose size
- No modifications are necessary
- Dress up the engine bay
- Metal Replacement
- Aluminum construction
Includes:
- (1) Aluminum 2 inch L5P (17-19) Radiator Hose Tube
- (1) 2 inchx3 inch Straight Boot
- (1) 2 inchx95 Degree Boot
- (4) 2 inch T-Bolt Clamp
Notes
- This only Fits the 2017-2019 L5P engines even though the Vin code is the same. This is due to small changes that were made in the engine bay. Please be sure you are ordering for the correct year truck.
- Compatible with the L5P: 17-19 VIN Code Y
Original: $114.09
-65%$114.09
$39.93Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Model | Trim |
| 2017-2019 | GMC | Sierra 2500 HD | , Denali, SLE, SLT |
| 2017-2019 | GMC | Sierra 3500 HD | , Denali, SLE, SLT |
| 2017-2019 | Chevrolet | Silverado 2500 HD | High Country, LT, LTZ, WT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT |
Give your engine bay a little razzle-dazzle with the HSP Upper Coolant Tube; made from aluminum, not only will it look good but wont crack or cause cooling system failures like the OEM unit. This part requires no modifications to install and can be done quickly with basic knowledge.
Part Number: 637-1-HSP
Features
- Maintains factory routing
- 2 inch OD tubing to match factory hose size
- No modifications are necessary
- Dress up the engine bay
- Metal Replacement
- Aluminum construction
Includes:
- (1) Aluminum 2 inch L5P (17-19) Radiator Hose Tube
- (1) 2 inchx3 inch Straight Boot
- (1) 2 inchx95 Degree Boot
- (4) 2 inch T-Bolt Clamp
Notes
- This only Fits the 2017-2019 L5P engines even though the Vin code is the same. This is due to small changes that were made in the engine bay. Please be sure you are ordering for the correct year truck.
- Compatible with the L5P: 17-19 VIN Code Y











