XDP  |  SKU: HVCD_XD345

EPC Solenoid Fooler Plug XD345 XDP

Regular price $ 5895

Can I pick up my order or have it installed at your shop?

Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.

How do I know if this part fits my vehicle?

Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.

What if I need to return a product or it’s defective?

Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)

What's the lead time on custom or fabricated parts?

Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.

Description

EPC Solenoid Fooler Plug XD345 XDP is engineered for enhancing the performance of your Allison transmission in GM 6.6L Duramax LML and L5P models. This essential part fits a wide range of vehicles, including:

  • 2011-2019 GMC Sierra 3500 HD (All Submodels)
  • 2011-2019 Chevrolet Silverado 3500 HD (All Submodels)
  • 2011-2019 GMC Sierra 2500 HD (All Submodels)
  • 2011-2019 Chevrolet Silverado 2500 HD (All Submodels)

With the XD345, experience a significant increase in durability, line pressure, and overall transmission performance. The EPC solenoid is designed to maintain a constant line pressure of 230 PSI, ensuring that your transmission can handle the demands of heavy towing or aftermarket upgrades without the risk of clutch slippage or poor shifting performance.

Specifications Details
Country of Origin USA
Sold As Each
UPC 856217008779
Availability Available
Universal No

About XDP: XDP is a recognized leader in the retail, distribution, and manufacturing of high-quality OE, OER, and aftermarket diesel parts. For over 20 years, XDP has proudly served the diesel community across North America, providing top-notch products tailored to meet your vehicle’s needs – whether for work, play, towing, or hauling.

Features:

  • Easy Installation – No need to remove the valve body or transmission
  • Increased Line Pressure for enhanced performance
  • Extends Transmission Longevity

Application Note: The XD345 should not be used with transmission tuning or other pressure-adding modifications.

Warranty Info: XDP products come with a 1-Year warranty against defects in materials and craftsmanship, limited to one year from the date of sale.