Description

2011-2016 Duramax Diesel 8MM Upper Cylinder Head Bolt GM 98065558

GM part number 98065558 is an 8 x 90 mm upper cylinder head bolt used on 2011-2016 Chevrolet and GMC LML & LGH 6.6L Duramax diesel engines.

2011-2016 GM 6.6L Duramax Stock Head Bolt Small 8×90 mm

When changing the head gasket on a Duramax, the stock head bolts are not reusable.  The bolts are a torque to yield design and should not be used twice.  These are the smaller bolts measuring 8mm x 90mm.  Eight are required per engine (4 per head).

GM Genuine Parts Exhaust Clamps are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

• Helps provide a tight seal for your vehicle’s exhaust connections
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

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.