Description

2001–2004 6.6L LB7 Duramax Diesel Injector Sleeve Cup O-Ring

GM part number 94051259 is the o-ring that goes on the injector sleeve in 2001-2004 GM trucks with the LB7 Duramax diesel engine.

This is the o-ring that goes on the LB7 injector sleeve and seals the sleeve to the cylinder head.  These are sold individually.  Two required per sleeve, 16 per engine.

If we do not have this part in stock, or it shows on back order, don’t worry. Huckstorf Diesel receives shipments from our suppliers daily. We also have the ability to get parts drop-shipped directly to you from the closest warehouse or the manufacturer. We are also able to source scarce products nationwide and globally quickly. Let us help you find those hard to find parts.

Find all your diesel performance, repair, and upgrade needs here, online or in person at Huckstorf Diesel’s sales, installation, and repair center located in Franklin / Milwaukee, Wisconsin USA.