Thermostat Housings, Filler Necks & Water Restrictors

There are a number of thermostat housings and water necks to help you locate your radiator hose in the right direction or dress-up the top of your engine. JEGS offers several straight, swivel, 90 degree and angled water necks in chrome, billet aluminum and other materials! Get the thermostat housing to fit your needs!

Top Sellers

JEGS Aluminum Thermostat Housing

$16.89 $18.69

JEGS O-Ring Style Thermostat Housing Ford 1965-75 260, 289, 302 & 351W

$16.89 $18.69

JEGS Aluminum Thermostat Housing

$17.69 $19.59

JEGS Aluminum Thermostat Housing

$16.89 $18.69

JEGS Intake Manifold Coolant Filler Neck Kit [Clear Anodized Billet Aluminum]

$57.99 $63.99

JEGS Billet Aluminum Weld-On Radiator Filler Neck with 5/16 in. Hose Barb

$20.29 $22.49

JEGS Aluminum Thermostat Housing for Small Block & Big Block Chevy

$16.89 $18.69

JEGS Aluminum Thermostat Housing

$16.89 $18.69

JEGS Water Restrictor Discs

$5.39 $5.89

JEGS O-Ring Style Thermostat Housing for 1966-1975 Chevy V8 [Chrome Plated Steel]

$11.69 $12.99

JEGS In-Line Thermostat Housing for 1-1/2 in. Radiator Hose

$53.99 $59.99

JEGS LS Thermostat Housing Clear (Hard Anodized)

$22.49 $24.99