Truck Part Suppliers

Serving PA, NJ, DE, & MD

Same-Day Estimates Usually Available 

Mobile Diesel Engine Repair Service 

Onsite Diesel Engine Repair Service

Hours:

All CAT and Cummins Parts and Services Come with a 1-Year Manufacturer’s Warranty

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Reliable Truck Part Suppliers for Your Diesel Needs

Since 1969, Diesel Service Inc has been the trusted name in truck repair and parts supply across PA, NJ, DE, and MD. Our family-owned business has grown to become a leading supplier of high-quality truck parts, backed by our extensive experience and commitment to excellence. With our 48,000 sqft facility, we're equipped to handle all your diesel engine needs, from routine maintenance to complex repairs. At Diesel Service, we understand that time is money in the trucking industry.

That's why we offer same-day estimates, mobile repair services, and on-site engine repairs to keep your fleet running smoothly. Our team of skilled technicians responds promptly to calls and emails, ensuring you get the support you need when you need it. All our work comes with a warranty, giving you peace of mind on the road. Ready to experience the Diesel Service difference? Contact us today and let's keep your trucks rolling.

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Why Choose Us

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Same-Day Estimates Usually Available

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Mobile Diesel Engine Repair Service

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Onsite Diesel Engine Repair Service

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All Work is Warranted

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48,000 sqft Facility

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Responding to Calls and Emails the Same Day

Diesel Service
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CAT Authorized Parts

As a CAT authorized parts and service dealer, we offer an extensive range of genuine Caterpillar components. Our partnership with Caterpillar ensures that you receive authentic, high-performance parts that meet the strict quality standards set by the manufacturer.
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Cummins Authorized Parts

Diesel Service is proud to be a Cummins authorized parts and service center. We stock a comprehensive selection of Cummins parts, allowing us to provide quick and reliable solutions for your Cummins-powered vehicles.
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Other Diesel Engine Parts

Beyond Caterpillar and Cummins, we supply parts for a wide range of diesel engines. Our vast inventory and industry connections enable us to source and deliver the right components for virtually any diesel engine, keeping your trucks on the road and your business moving forward.
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Diesel Service

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CP #1 CTA Lead-in

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Diesel Service

CP #1 Headline

CP #1 Body

CP #1 CTA Lead-in

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Diesel Service

CP #2 Headline

CP #2 Body

CP #2 CTA Lead-in

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Recent Projects

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Here's what our satisfied customers are saying...

At Diesel Service Inc, we take pride in providing exceptional diesel vehicle services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Diesel Service Inc and let others know what you think.