Custom Wiring Harness & Cable Fabrication – OEM Replacement Harnesses

Custom OEM Replacement Wiring Harness & Cable Fabrication

Looking for an OEM replacement wiring harness or custom cable assembly? At Diesel Electronic Supply, we fabricate new harnesses and cables daily for heavy-duty truck and diesel engine applications. If you don’t see your specific harness listed in our catalog, we can build a replacement solution tailored to your needs.

Whether you're searching for:

• Custom engine wiring harness fabrication

• Heavy duty truck harness replacement

• Diesel ECU harness replacement

• Freightliner wiring harness repair

• Paccar MX13 replacement harness

• OEM cable assembly services

Diesel Electronic Supply provides professional-grade fabrication with precision and durability.

Reverse Engineering & Custom Fabrication

If your existing harness is damaged, discontinued, or unavailable from the manufacturer, simply ship your harness or cable to:

319 Berry Garden Rd
Kernersville, NC 27284

Our team can reverse engineer the assembly and provide a detailed quote for replacement. Providing schematics or documentation significantly reduces development lead time.

Built for Heavy-Duty Applications

We specialize in wiring harnesses and cable assemblies for:

• Diesel engines (MX11, MX13, DD15, etc.)

• ECU and control module systems

• DEF / SCR systems

• CPC modules

• ABS modules

• Custom electrical assemblies

Our harnesses are built using high-quality automotive-grade wiring, sealed connectors, and durable materials designed to withstand vibration, heat, and harsh environments.

Why Choose Diesel Electronic Supply?

Choosing a custom OEM replacement harness manufacturer offers several advantages:

• Eliminate long OEM backorder delays

• Restore discontinued harnesses

• Improve durability

• Reduce downtime

• Tailor harness design to your needs

We fabricate harnesses daily and understand the electrical requirements of heavy-duty truck systems.

Ideal For

• Fleet maintenance operations

• Diesel repair facilities

• Owner-operators

• Restoration projects

• Aftermarket upgrades

Key Features

• Custom OEM replacement wiring harnesses

• Reverse engineering services available

• Built for heavy-duty truck applications

• High-quality materials and sealed connectors

• Faster turnaround with provided schematics

Get a Quote Today

If you don’t see your harness listed, contact us or send your existing harness for evaluation. We’ll provide a custom quote and lead time.

Comprehensive Return and Warranty Policy for Your Peace of Mind

At Diesel Electronic Supply, our Return and Warranty Policy ensures that you can shop confidently knowing that your satisfaction is our top priority. We accept returns and exchanges for unused, uninstalled, and undamaged products, safeguarding your investment with easy-to-follow procedures.

Whether you're a DIY enthusiast or a professional, our policy is designed to make your shopping experience seamless and worry-free:

• Flexible Returns: Request a return within 7 days for a full refund (minus a 25% restocking fee).
• Store Credit after 7 Days: If you miss the return window, store credit may be issued upon approval.
• No Hidden Costs: Original shipping is non-refundable, and customers cover return shipping.
• Clear Warranty Coverage: Enjoy a 6-month warranty on our products against defects in materials and workmanship.

Need to return an item? Simply email us at support@dieselelectronicsupply.com with your order number and reason for the return. Remember, all returns must be authorized before sending them back!

We believe in transparency and customer satisfaction, which is why our detailed return policy addresses numerous scenarios, ensuring you know exactly what to expect. Shop with us and experience reliable products that come with a promise of quality and support.