2012 GMC Sierra 2500 HD Cooling System Service Parts
171 parts verified to fit your 2012 GMC Sierra 2500 HD for a complete cooling system service. A moderate DIY project — estimated 2-4 hours.
Cooling Parts
(103)primary
Wehrli
Wehrli 11-16 Chevrolet 6.6L LML Duramax OEM Placement Coolant Tank Kit - Bengal Grey
$532.03
Gates
Gates 07-21 Chevrolet Silverado Series Pickup V-8 5.3L OE Type Thermostat
$17.11
Wehrli
Wehrli 11-16 Chevrolet 6.6L LML Duramax OEM Placement Coolant Tank Kit - Chevy Orange
$532.03
Wehrli
Wehrli 11-16 Chevrolet 6.6L LML Duramax OEM Placement Coolant Tank Kit - CAT Yellow
$532.03
Mishimoto
Mishimoto 11+ Chevy 6.6L Duramax Radiator
$1075.15
Victor Reinz
MAHLE Original Chevrolet Express 2500 13-06 Thermostat Housing Seal
$2.33
Wehrli
Wehrli 11-16 Chevrolet 6.6L LML Duramax OEM Placement Coolant Tank Kit - WCFab Red
$559.23
Wehrli
Wehrli 11-16 Chevrolet 6.6L LML Duramax OEM Placement Coolant Tank Kit - Semi-Gloss Black
$532.03
Coolant & Fluids
(68)consumable
LIQUI MOLY
LIQUI MOLY 20L Top Tec Truck 4450 Motor Oil SAE 15W40
$146.62
LIQUI MOLY
LIQUI MOLY 1L Brake Fluid DOT 4
$66.14
Yukon Gear & Axle
Yukon Gear Friction Modifier
$20.89
LIQUI MOLY
LIQUI MOLY 1L Fully Synthetic Hypoid Gear Oil (GL5) LS SAE 75W140
$204.10
LIQUI MOLY
LIQUI MOLY 20L Top Tec ATF 1200
$204.34
K&N
K&N Oil Filter Automotive 01-19 Chevrolet Silverado 6.6L
$10.99
LIQUI MOLY
LIQUI MOLY 20L Special Tec AA Motor Oil SAE 5W40 Diesel
$199.16
Motul
Motul 1L Synthetic Engine Oil 8100 5W40 X-CLEAN C3 -505 01-502 00-505 00-LL04
$147.53
Cooling System Service for Other GMC Sierra 2500 HD Years
Other Jobs for Your 2012 GMC Sierra 2500 HD
Frequently Asked Questions
What parts do I need for a cooling system service on my 2012 GMC Sierra 2500 HD?
A complete cooling system service on the 2012 GMC Sierra 2500 HD typically requires cooling parts, coolant & fluids. All parts shown on this page are verified to fit your specific vehicle.
How long does a cooling system service take on a 2012 GMC Sierra 2500 HD?
A cooling system service typically takes 2-4 hours and is rated as moderate difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a cooling system service myself?
A cooling system service is a moderate DIY project. If you have some mechanical experience and the right tools, you can handle it. Otherwise, consider having a professional do the work.
Are these parts guaranteed to fit my 2012 GMC Sierra 2500 HD?
Yes, all parts on this page are verified to fit the 2012 GMC Sierra 2500 HD using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make cooling system service parts for the 2012 GMC Sierra 2500 HD?
We carry cooling system service parts from trusted brands including Wehrli, Gates, Mishimoto, Victor Reinz, and Fel-Pro. Filter by brand to find your preferred manufacturer.
How much does a cooling system service cost for a 2012 GMC Sierra 2500 HD?
The cost of a cooling system service for the 2012 GMC Sierra 2500 HD depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.