Login
My Account
My Cart
The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
Enter your truck info so we can recommend the right products for you.
Can't find it? Call us at 859-737-4966 for free advice.
Menu
Air Filters
Air Intakes
Clutches
Cooling System
Drive Line
Electronics
Engine
Engine Parts
Exhaust
Exhaust Brakes
Fabrication Components
Fluids
Fuel Systems
Fuel Tanks
Gauges
Injection Pumps
Injectors & Related Items
Intake Manifolds
Intercoolers
Lift Pumps
Programmers
Silicone Hoses
Suspension
Tools
Transmissions
Turbochargers
Water Meth Inj Kits
Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.
Brakes
ECM
Electrical Components
Engine Components
Exterior Replacement Parts
Filters
Fuel Pumps
Gaskets & Seals
Interior Replacement Parts
Oil Pumps
Starters & Alternators
Thoroughbred Diesel offers OEM and diesel stock parts for your diesel pickup truck. At Thoroughbred Diesel, you can buy stock diesel replacement parts such as injectors, fuel pumps, ball joints, track bars, turbos, and more for your diesel truck.
Injection Pump
Injector
Turbo Charger
Batteries
Bed Covers
Bumpers
Fender Flares
Floor Mats and Liners
Grilles
Horns
Lighting
Mud Flaps
Nerf Bars
Running Boards
Seats & Covers
Shift Knobs
Spare Tire Carriers
Storage
Tailgate Nets
Tool Box
Truck Steps
Ventvisors
Wheels
Winches
Make heads turn with custom truck accessories from Thoroughbred Diesel.
Ball Mounts
Gooseneck & Fifth Wheel
Hitch Balls
Hitch Pins & Hitch Locks
Hitch Steps
Hitches
Loading Ramps
Shackles & Tow Hooks
Tow Brakes
Tow Mirrors
Towing Accessories
Weight Distributing Hitchs
Banners
Decals
Hats
Hoodies
License Plates
Shirts
Tank Tops
Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: MAT450620 Manufacturer Sku #: 450620
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$1,525.13
2017 - 2021 Chevy Silverado 2500
2017 - 2021 Chevy Silverado 3500
2017 - 2021 GMC Sierra 2500
2017 - 2021 GMC Sierra 3500
2022 - 2022 Chevy 2500
2022 - 2022 Chevy 3500
2022 - 2022 GMC 2500
2022 - 2022 GMC 3500
2023 - 2023 Chevy Silverado 2500 HD
2023 - 2023 Chevy Silverado 3500 HD
2023 - 2023 GMC Sierra 2500 HD
2023 - 2023 GMC Sierra 3500 HD
Product Name:Merchant Automotive Head Gasket Kit (ARP Studs, No Head Gaskets) - 2017-2023 GM Duramax L5P Manufacturer: Merchant Automotive Manufacturer Part #: 450620 Thoroughbred Diesel Part #: MAT450620 Fitment Notes: 2017-2023 GM Duramax L5P
L5P Duramax Head Gasket Kit
If you are replacing blown head gaskets or rebuilding an L5P Duramax diesel engine, you are going to need quite a few parts to get the job done. A Duramax head gasket job is not a task for the average driver, so you will want to ensure you have all of the right components for your mechanic. Merchant Automotive has put together a complete L5P Duramax Diesel engine head gasket kit to include everything you need to get the job done. Featuring OEM and performance parts, this kit will ensure that your L5P’s head gaskets perform better than your factory gaskets did. This all-in-one kit will feature everything you need to replace the head gaskets in an L5P Duramax diesel engine.
Symptoms Of A Blown Duramax Head Gasket
A blown head gasket can easily total out any vehicle, including a Duramax diesel engine equipped truck. However, an engine can be repaired with the correct parts and tools by someone who is any experienced mechanic. Some of the most common symptoms of a blown head gasket will include:
Merchant Automotive Rubber Fuel Hose Kit Features:
Please contact our tech line.