Felpro Multi-Purpose O-Ring, 35633
In stock
$3.29
Listed as compatible with this vehicle by the retailer feed.
Check price2018 Chevrolet Silverado 3500HD Cooling Gaskets
7 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Felpro Engine Coolant Thermostat Seal, 36219
In stock
$3.99
Listed as compatible with this vehicle by the retailer feed.
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Victor Reinz Engine Coolant Thermostat Housing Seal, 71-13578-00
In stock
$5.39
Listed as compatible with this vehicle by the retailer feed.
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Felpro Engine Coolant Thermostat Housing Seal, 35720
In stock
$6.49
Listed as compatible with this vehicle by the retailer feed.
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Felpro Engine Water Pump Gasket, 35635
In stock
$7.99
Listed as compatible with this vehicle by the retailer feed.
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Felpro Engine Water Pump Gasket Kit, ES 73010
In stock
$8.99
Listed as compatible with this vehicle by the retailer feed.
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Felpro Engine Coolant Crossover Pipe Mounting Set, ES 73027
In stock
$22.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.