Your Duramax Diesel Only Store

Operated by Duramax owners for Duramax owners

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Kryptonite: The Ultimate Duramax Steering Upgrade

Backed By A Lifetime Warranty

SHOP KRYPTONITE

New Billet DEF Caps

Available for 2011 to Current Duramax Trucks

SHOP BILLET DEF CAPS

Max-Flow Transmission Coolers

Keep Your Transmission Cool When Towing!

SHOP TRANSMISSION COOLERS

DmaxStore Performance Oil Filters

Made for Your Duramax

Shop DMAX Filters

Shop by Vehicle

LB7: 2001-2004 SILVERADO & SIERRA

LLY: 2004.5-2005 SILVERADO & SIERRA

LBZ: 2006-2007 SILVERADO & SIERRA

LMM: 2007.5-2010 SILVERADO & SIERRA

LML: 2011-2016 SILVERADO & SIERRA

L5P: 2017-2019 SILVERADO & SIERRA

L5P: 2020-2023 SILVERADO & SIERRA

L5P: 2024+ SILVERADO & SIERRA

LWN: 2016-2022 COLORADO & CANYON

LM2: 2020-2022 SILVERADO & SIERRA 1500

LZ0: 2023+ SILVERADO & SIERRA 1500

L5D: 2019+ SILVERADO 4500HD & 5500HD

FEATURED PRODUCTS

DmaxStore Custom Belt Buckle by Gist Silversmiths

DmaxStore Custom Belt Buckle by Gist Silversmiths

Details

Regular $199.00

PPE Zilla Carbon Fiber Turbo Inlet, 2004.5-2005 LLY

PPE Zilla Carbon Fiber Turbo Inlet, 2004.5-2005 LLY

Details

Regular $219.99

Pod Holes Step Kit, 2020-2024 LM2/LZ0/L5P

Pod Holes Step Kit, 2020-2024 LM2/LZ0/L5P

Details

Regular $497.90

Kryptonite Stage 4 Leveling Kit w/Fox 2.5 IFP, 2020-2025 L5P

Kryptonite Stage 4 Leveling Kit w/Fox 2.5 IFP, 2020-2025 L5P

Details

Regular $1,804.99

PSC BIG BORE XD® Steering Gear Box, 2001-2010 LB7/LLY/LBZ/LMM

PSC BIG BORE XD® Steering Gear Box, 2001-2010 LB7/LLY/LBZ/LMM

Details

Regular $895.00

McGaughys 4

McGaughys 4" Lift Kit, 2020-2024 L5P

Details

Regular $3,448.31

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DmaxStore is your top option for Duramax diesel parts

Are you looking for a company specializing in Duramax diesel parts that you can count on for top-quality service? DmaxStore has worked in the industry since 2004, and our team of professionals has the needed expertise to serve you. Whether you want to upgrade your truck's performance or simply need replacement parts, we have you covered. We aim to provide the best products and information to help you get the most out of your Duramax Diesel. Shop our collection today to find the best performance products for your truck; we have a wide range of items for sale. Whether you need basic maintenance and replacement parts or high-performance upgrades, we have everything. Our team includes experienced diesel mechanics who are passionate about helping others get the most out of their Duramax. Contact us by calling (877) 469-3629 if you have questions about any of our Duramax diesel parts or need help installing a product.