HomeBelts and Cooling > Radiators, Coolers and Related ComponentsTechPro GM1225365 Radiator Support
Part #: GM1225365

TechPro GM1225365 Radiator Support

20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$111.05Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Radiator Support for GM Trucks

TechPro GM1225365 is a radiator support component built for lower support bracket applications on select heavy-duty Chevrolet and GMC trucks. It is made with factory-style precision and high-quality materials to support durable, long-term performance in the cooling system structure.

Compatible With 2015-2019 Chevrolet Silverado 2500 HD, lower support bracket; 2015-2019 Chevrolet Silverado 3500 HD, lower support bracket; 2015-2019 GMC Sierra 2500 HD, lower support bracket; and 2015-2019 GMC Sierra 3500 HD, lower support bracket.

Key Features

  • Factory-style fitment for lower support bracket installation
  • Built from high-quality materials for durability and lasting performance
  • Direct replacement format for select Chevrolet Silverado HD and GMC Sierra HD applications
  • Measures 39.59 in. long, 8.58 in. wide, and 2.73 in. high
  • Lightweight 1 lb. construction for straightforward handling during service

Detailed Description

This TechPro radiator support, part number GM1225365, is intended for the lower support bracket side on 2015-2019 Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models. It follows factory-style precision for proper alignment in the front-end cooling system structure, helping maintain secure support where the radiator assembly mounts. The part cross-references 85632901 for the same application.

For buyers searching for a radiator support for 2015-2019 Chevrolet Silverado 2500 HD lower support bracket or a radiator support for 2015-2019 GMC Sierra 3500 HD lower support bracket, GM1225365 provides a direct-fit service part option. The part number GM1225365 is also useful when matching replacement components by catalog reference.

What This Part Helps Address

  • Broken or damaged lower radiator support bracket mounting points
  • Misalignment of the radiator support structure after front-end service
  • Wear-related loss of structural stability in the cooling system support area
  • Replacement needs for collision repair or restoration work on HD trucks
  • Fitment matching for OEM reference 23379154 applications

Installation Notes and Tips

Install on the lower support bracket side and verify alignment against the factory mounting points before final tightening. Confirm vehicle fitment by year, make, model, and OEM reference before installation. This part is listed for N/A position applications and should be matched to the lower support bracket configuration shown in the fitment data.

Quality Assurance

TechPro builds this radiator support with factory-style precision and durable materials to support reliable function and long-term value. Part number GM1225365 is engineered as a direct replacement for the listed Chevrolet Silverado HD and GMC Sierra HD applications.

BrandTechPro
Part NumberGM1225365
HEIGHT (In)2.73
LENGTH (In)39.59
WEIGHT (lbs)1
WIDTH (In)8.58

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2019ChevroletSilverado 2500 HDN/ALower Support Bracket; OEM: 23379154
2019ChevroletSilverado 3500 HDN/ALower Support Bracket; OEM: 23379154
2019GMCSierra 2500 HDN/ALower Support Bracket; OEM: 23379154
2019GMCSierra 3500 HDN/ALower Support Bracket; OEM: 23379154
2018ChevroletSilverado 2500 HDN/ALower Support Bracket; OEM: 23379154
2018ChevroletSilverado 3500 HDN/ALower Support Bracket; OEM: 23379154
2018GMCSierra 2500 HDN/ALower Support Bracket; OEM: 23379154
2018GMCSierra 3500 HDN/ALower Support Bracket; OEM: 23379154
2017ChevroletSilverado 2500 HDN/ALower Support Bracket; OEM: 23379154
2017ChevroletSilverado 3500 HDN/ALower Support Bracket; OEM: 23379154
2017GMCSierra 2500 HDN/ALower Support Bracket; OEM: 23379154
2017GMCSierra 3500 HDN/ALower Support Bracket; OEM: 23379154
2016ChevroletSilverado 2500 HDN/ALower Support Bracket; OEM: 23379154
2016ChevroletSilverado 3500 HDN/ALower Support Bracket; OEM: 23379154
2016GMCSierra 2500 HDN/ALower Support Bracket; OEM: 23379154
2016GMCSierra 3500 HDN/ALower Support Bracket; OEM: 23379154
2015ChevroletSilverado 2500 HDN/ALower Support Bracket; OEM: 23379154
2015ChevroletSilverado 3500 HDN/ALower Support Bracket; OEM: 23379154
2015GMCSierra 2500 HDN/ALower Support Bracket; OEM: 23379154
2015GMCSierra 3500 HDN/ALower Support Bracket; OEM: 23379154

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

85632901

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.