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Trusted Since 1957
Cometic Gasket
$37.03
Fel-Pro
$63.14
Cometic Gasket
$221.95
King Engine Bearings
$70.85
Cometic Gasket
$185.33
ACL
$172.39
ACL
$45.72
Victor Reinz
$13.96
Victor Reinz
$11.69
Fel-Pro
$16.00
Fel-Pro
$22.99
Cometic Gasket
$64.84
Fel-Pro
$18.50
COMP Cams
$408.23
COMP Cams
$555.11
ACL
$57.96
Victor Reinz
$4.75
COMP Cams
$433.72
Fel-Pro
$5.34
ACL
$172.39
Yes, all parts displayed on this page are verified to fit the 1966 Checker Marathon 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 Checker Marathon include engine, mufflers, air-filters, and cold-air-intakes. Browse our full selection to find the exact parts you need for your vehicle.
We carry parts from trusted brands including ACL, Fel-Pro, King Engine Bearings, 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.