Cummins Diesel Engine Parts in the USA

When your Cummins diesel engine needs replacement parts, you need a supplier with real expertise, not just a catalog. Since 1983, Diesel Specialists, Ltd. has supplied genuine Cummins diesel engine parts across Houston and Southeast Texas. Our experienced team ensures you get the right part the first time, with competitive pricing and reliable support.

Call (281) 446-1230 to Order Genuine Cummins Engine Parts.

Need High Quality Diesel Parts?

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Services
Diesel Engine Repair On-site Diesel Repair In Shop Diesel Repair Diesel Engine Diagnostics Diesel Engine Overhaul DPF Cleaning Dyno Testing Diesel Machine Shop Diesel Generator Engine Repair Fire Pump Repair Heavy Duty Truck Repair All Services
Brands Served
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Parts
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Dealership
John Deere Engine Service Deutz Diesel Engine Dealer Isuzu Diesel Engine Dealer RHELKO (Kohler) Diesel Engine Dealer Yanmar Diesel Engine Dealer Perkins Diesel Engine Dealer Cummins Diesel Engine Dealer Detroit Diesel Engine Dealer Kubota Diesel Engine Dealer JCB Diesel Engine Dealer FPT Diesel Engine Dealer

Cummins Engine Parts We Supply

As an experienced Cummins parts dealer, Diesel Specialists, Ltd. supplies genuine OEM and premium replacement Cummins diesel parts for maintenance, repairs, and complete engine rebuilds.

Our inventory includes:

  • Engine Internal Parts – Gasket sets, pistons, bearings, cylinder liners, overhaul kits, connecting rods, crankshafts, camshafts, and engine rebuild components.

  • Cooling System Components – Water pumps, thermostats, radiators, cooling hoses, fan clutches, and cooling system assemblies.

  • Turbocharger Components – Turbochargers, repair kits, actuators, wastegates, and turbo-related hardware.

  • Electrical Components – Starters, alternators, sensors, wiring harnesses, ECM components, relays, and electrical accessories.

  • Filters & Preventive Maintenance – Fuel filters, oil filters, air filters, coolant filters, belts, and scheduled maintenance parts.

  • Fuel System Components – Fuel injectors, lift pumps, injection pumps, common rail components, and fuel delivery parts.

Parts Identification & Lookup Assistance

Finding the correct Cummins replacement part shouldn't delay your operation. Our knowledgeable parts team uses your engine serial number and model information to ensure you receive the exact part required.

  • Serial Number Lookup – Identify the correct Cummins engine parts using your engine serial number.

  • Model Verification – Confirm your engine model and configuration.

  • OEM Cross-Reference – Cross-reference OEM and aftermarket part numbers.

  • Obsolete Part Support – Assistance locating discontinued or superseded Cummins parts.

Need help finding the right Cummins engine parts? Contact our specialists with your engine model and serial number, and we'll help you identify the correct replacement components.

Parts Ordering Process

  • Contact our parts department with your engine model, serial number, or required part number.

  • Our specialists verify the correct part for your engine configuration.

  • We provide pricing, stock availability, and delivery options.

  • In-stock parts are available for pickup from our Humble, TX location or can be shipped directly to your facility.

  • Special-order parts are sourced promptly, and you'll receive regular ETA updates.

Why Choose Diesel Specialists for Cummins Engine Parts?

40+

Years in Service

4.4★

115+ Reviews

1983

Founded in Houston

12+

Brands Serviced

Serving Houston's Cummins Engine Operators

Diesel Specialists is a trusted supplier of Cummins diesel parts in Houston and the Gulf Coast. From our Humble, TX location at 1215 Carpenter Rd., Humble, TX 77396, we provide genuine Cummins engine parts to customers across Southeast Texas.

Complete Cummins Engine Support

In addition to supplying genuine Cummins engine parts, Diesel Specialists provides complete Cummins Diesel Engine Dealer and Cummins Engine Repair & Service to help maximize equipment uptime and performance.

Customer Reviews

★★★★★
"Whole crew at diesel specialist are amazing go above and beyond!! Get service especially Miriam always so sweet and kind and Debbie and Delbert as will to help bravo!!!"
Alfredo Ortiz
★★★★★
"Great experience with Diesel Specialist LTD. Everyone was really nice, professional, and helpful. They worked fast and didn’t waste time."
Maricela Razo
★★★★★
"I had ordered a few parts that my dad needed and whenever I had to pick them up, Miriam was there and let me just say, she was VERY helpful, attentive and super friendly!"
Julissa Garcia
★★★★★
"Absolutely amazing people. They go above and beyond! Thank you Diesel Specialist"
D Bolden
★★★★★
"I do a lot of business with diesel specialist and they always put you first and have the kindest front desk personal"
Nick Foster
★★★★★
"Ana is the greatest when it comes to any of our needs!! Diesel Specialists is the go to place for any Diesel needs. We drive all the way from Beaumont area to have our diesel needs taken care of!"
Dean Thompson
★★★★★
"They have extensive knowledge and offer all their expertise to help you with whatever you need; they have good parts"
Julio Maldonado
★★★★★
"Mr. Leo IV has always gone above and beyond, Diesel specialists is the place to go!!"
Charles Skelly

Frequently Asked Questions (FAQs)

Yes. We stock and source genuine OEM Cummins engine parts along with premium OEM-equivalent aftermarket components. Let us know your preference, and we'll provide pricing and availability for both options.

Absolutely. Simply provide your engine serial number or engine model, and our experienced parts specialists will identify the correct Cummins replacement parts.

We do both. Along with supplying Cummins diesel parts, Diesel Specialists also offers professional installation, diagnostics, preventive maintenance, and engine repair services.

Our extensive supplier network enables us to locate discontinued, superseded, and hard-to-find Cummins engine parts whenever possible, helping minimize your equipment downtime.

Professional Associations

Chamber of Commerce logo

Diesel Specialists, LTD is a proud member of the
Chamber of Commerce. See our listing.

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Greater Houston Trucking Association

VISIT US

DIESEL SPECIALISTS, LTD

1215 Carpenter Rd.
Humble, TX 77396

Phone: 281-446-1230

Fax: 281-446-1890

1215 Carpenter Rd, Humble, TX 77396, USA

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