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Customer Service

Hours of Operation

8am to 5pm PST

By Phone

Toll Free: 888-623-4373

Local: 714-848-2170

By Fax

Fax: 714-841-5752

By Email

Sales: sales@ocdiesel.com

Service: service@ocdiesel.com

Returns: returns@ocdiesel.com


On Most Orders of $50 or More

On Most Orders of $50 or More

Free Shipping on most orders over $50

OCDiesel offers FREE UPS Ground Shipping on most purchases totaling $50 or more. When you see the Free UPS Shipping logo associated with a product, that item ships for FREE. Please note this does not include any expedited services and excludes shipments to Hawaii, Alaska, Puerto Rico, U.S. Virgin Islands and Canada. Please contact us for any expedited shipments or shipments outside of the contiguous United States.

* For California orders, sales tax is not inclusive of the $50 total. Some product and orders restrictions do apply.

  • Truck Freight Items (LTL)
  • Transfer Flow Fuel Tanks and Accessories
  • Titan Fuel Tanks and Accessories
  • Transmissions & Fluids
  • Torque Converters
  • Batteries
  • South Bend Clutches
  • Any Item That Has a Special Handling Fee or Fixed Shipping Cost
OCDiesel Warehouse Locations - Shipping to the Nation

OCDiesel.com reserves the right to change this offer at any time.