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Monday 8am - 5pm Tuesday 7am - 5pm Wednesday 7am - 5pm Thursday 7am - 5pm Friday 7am - 5pm

M&D

It’s no coincidence that we’ve been in business for almost a century, M&D, DCW & SDP have led th

M&D has led the diesel aftermarket in remanufacturing and parts distribution for the past 80 years. Our mission is to provide the widest range of premium quality parts for the world’s most critical missions and to deliver an exceptional customer experience with industry-leading technical knowledge and support. M&D has greatly expanded its national footprint through strategic acquisitions, tripling

in size from 12 branches in 2021 to 33 branches today. These powerful partnerships help provide better service to our customers with additional locations, new products and services, and access to priceless industry expertise. We don’t just sell parts — we make sure customers get the right part to do the job the first time. .

09/04/2026

Thank you to the M&D team and hardworking professionals across our industry for the commitment you bring every day.

Wishing you a safe and well-earned Labor Day.

07/23/2026

We’re bringing 80+ years of diesel experience to the this weekend! 🚛✅

Working through an engine, fuel injection, turbo or emissions system problem? Find your heavy-duty engine solution at booth #821.

🎟️ Grab your free ticket here! https://buff.ly/NakmWmr.

See you this Saturday and Sunday at the NRG Center in Houston. 👋

07/10/2026

Got an HP4 replacement coming up? We’ve got new options on the shelf. 🔧

Earlier HP4 pumps are known for vulnerabilities like fuel quality, corrosion exposure, fuel-delivery stress and long-cycle durability. Stanadyne’s DCR design helps address those concerns.

✅ Corrosion-resistant materials.
✅ Improved performance with low-lubricity fuels.
✅ Improved long-cycle durability.
✅ Backed by a 2-year warranty.

Prepare for your next HP4 replacement today.

📞 Call your M&D rep at (800) 658-9333.
🏬 Visit your nearest M&D branch.

07/02/2026

250 years ago, they made possible the impossible. 📜

America's independence was carried forward by ordinary people with extraordinary resolve. They persevered through uncertainty, sickness and sacrifice for the great cause of freedom.

We celebrate in the spirit of 1776, with gratitude, hope and resilience for what was and is to come. 🎆🦅

Please note: All M&D branches will be closed Friday, July 3.

06/30/2026

Find the right parts to fuel uptime fast.

We're bringing heavy-duty engine expertise back to the Texas Trucking Show for the third year in a row! 👏

Stop by Booth #821 to explore our expansive coverage for heavy-duty diesel engines, including:

🔧 Fuel injection
🔧 Turbochargers
🔧 Engine parts
🔧 Cylinder heads
🔧 Emissions components

M&D makes it easy – with deep engine and fuel-system expertise, broad product coverage and national distribution.

🎟️ Get your free ticket: https://texastruckingshow.com/register/vip/CozUa1dCN4dWH5_0PJD8T

06/26/2026

💙Fueling Wishes and Community Impact

Keaton Paylor proudly represented M&D at Truck Center Companies 35th annual Make-A-Wish fundraiser and golf tournament on June 19, where more than $700,000 was raised to help grant wishes for children through Make-A-Wish.

We were honored to participate in the charity golf outing by sponsoring a hole and tournament raffle. ⛳

Thank you to Truck Center Companies for hosting this meaningful event and giving us an opportunity to drive lasting community impact.

06/25/2026

Don’t let fuel system problems slow down your Duramax. 🔧🚛

New PurePower® Duramax L5P 6.6L DCR fuel injectors are available from M&D for 2017–2023 GM Duramax applications.

Each reman injector is rigorously tested to meet OE manufacturing standards, including checks for leakage, injection pressure, fuel delivery, timing, nozzle flow and emissions performance.

📞 Contact your M&D rep or call 281-641-9000.
📍 Visit your nearest M&D branch.
🛒 Shop online at https://buff.ly/rY9njo2

06/19/2026

Happy Father’s Day weekend to the ones who taught us how to work hard, fix all the things and pass along a little “endless wisdom” along the way.

Thanks for the lessons and laughs! 👊

06/18/2026

⚡ New Product Announcement: PowerEdge™ 28PE Plug-In Alternators ⚡

Built for heavy-duty fleets, shops and owner-operators who need reliable charging power and less downtime, these 100% new alternators feature simple plug-in connectors for a clean install without wiring changes.

✅ OE technology adapted for aftermarket replacement
✅ No core charge
✅ Quick and easy installation
✅ 160 amp output with dual internal fan cooling
✅ Available in Pad Mount and J180 configurations
✅ 1-year/unlimited mile warranty

📞 Contact your M&D rep for availability and fitment support.
📍 Visit your nearest M&D branch to order.
🛒 Shop online: https://buff.ly/vdCvpx3

06/17/2026

Rebuild your Cummins with confidence. 💪

A successful rebuild begins with preparation. We've put together these resources to help shops, fleets, and parts buyers move from research to rebuild.

📰 Cummins Rebuild Guide:
https://buff.ly/9TVyfm1

🔧Cummins X15 Specs:
https://buff.ly/ysNw48L

Address

7902 FM 1960 Bypass Rd W
Humble, TX
77338

Opening Hours

Monday	8am - 5pm
Tuesday	7am - 5pm
Wednesday	7am - 5pm
Thursday	7am - 5pm
Friday	7am - 5pm

Telephone

+18006589333

Website

https://www.TheDieselStore.com/

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