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Trusted Since 1957
Gates
$33.05
Fel-Pro
$16.00
Fel-Pro
$2.96
Gates
$19.87
Fel-Pro
$8.32
Cometic Gasket
$221.95
$1.11
Gates
$19.21
Fel-Pro
$77.50
Cometic Gasket
$185.33
COMP Cams
$408.23
COMP Cams
$555.11
COMP Cams
$408.23
Cometic Gasket
$221.95
COMP Cams
$433.72
Gates
$20.90
Cometic Gasket
$57.06
Fel-Pro
$21.15
Fel-Pro
$15.08
$3.20
Yes, all parts displayed on this page are verified to fit the 1966 GMC I2500 using VCDB fitment data. Our fitment information comes directly from manufacturers and is cross-referenced with industry-standard vehicle databases.
The most popular categories for the 1966 GMC I2500 include engine, cooling, lighting, and mufflers. Browse our full selection to find the exact parts you need for your vehicle.
We carry parts from trusted brands including COMP Cams, Fel-Pro, Gates, Cometic Gasket, and Victor Reinz, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.