Alliant Power

Head Installation Kit - 01-04 GM Duramax LB7 AP0045

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SKU: A/PAP0045
$1,319.56
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Alliant Power Head Installation Kit for 2001 - 2004 Chevy GMC 6.6L Duramax LB7

Part # AP0045



This kit includes all of the necessary seals and gaskets to remove and install the cylinder heads as well as head studs to replace the factory head bolts. These applications utilize different thicknesses of head gaskets therefore the head gaskets themselves are not included in this kit and must be ordered separately. Please use the identification table below to choose the correct head gaskets for your Duramax.

Duramax Head Gasket Identification Guide
The 6.6 L Duramax engine families utilize three different grades (thicknesses) of head gaskets that are also specific to which side of the engine they are being installed on. The table and images below will aid in identifying the proper head gaskets required for your specific application. The head gaskets listed below work in conjunction with the AP0045 and AP0046 Head Installation Kits.

ALLIANT POWER HEAD GASKET NUMBER
LOCATION (FIGURE 1)
GRADE (FIGURE 2)
COMPRESSED THICKNESS
OE NUMBER
AP0047
AP0048
AP0049
Left (Driver Side)
A (No Holes)
B (One Hole)
C (Two Holes)
0.90 - 1.00mm
0.95 - 1.05mm
1.00 - 1.10mm
98045058
98045059
98045060
AP0050
AP0051
AP0052
Right (Passenger Side)
A (No Holes)
B (One Hole)
C (Two Holes)
0.90 - 1.00mm
0.95 - 1.05mm
1.00 - 1.10mm
98045055
98045056
98045057

Note: These gaskets should be replaced like for like. It is not recommended to install gaskets of a different thickness than what was originally equipped.

WARNING : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov