1966 Thermostats, Housings & Fillers

Water Neck Plate, Billet Aluminum, Blue Anodized, Straight Up, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0912B

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck Base, Polished, Mopar, Big Block, Each

Part Number: MEZ-WN0029U

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Block Off Plate, Water Neck, Manifold, Chevy/Mopar, Big Block, Polished, Each

Part Number: MEZ-WN0007U

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Fail-Safe Thermostat Kit-195 Degrees w/ Gasket

Part Number: SNN-4841KTFS

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

Fail-Safe Thermostat Kit- 195 Degrees w/ Gasket

Part Number: SNN-4853KTFS

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

WATER NECK OUTLET, MOPAR/CHRYSLER Cast Alum 90°, all V6/V8/Slant6, as-cast

Part Number: PQX-5244081

Not Yet Reviewed

Estimated Ship Date: Today

UltraStat Thermostat Kit- 192 Degrees w/ Gasket

Part Number: SNN-4831KTUS

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Water Neck Spacer, Billet Aluminum, Blue Anodized, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN1028B

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat, Replacement, 192 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0545

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

• Special Order

Water Neck, Zinc Alloy, Chrome Plated, Straight Up, O-Ring, Chevy, Big/Small Block, Each

Part Number: TRD-9647

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Special Order

Thermostat, Copper, Stainless Steel, Standard Flow, 167 Degrees, Each

Part Number: BCK-143-0412

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Thermostat, Replacement, 180 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0602

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Water Neck, Billet Aluminum, Polished, Straight Up, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0916U

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck Base, Blue Anodized, Mopar, Big Block, Each

Part Number: MEZ-WN0029B

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck Base, Red Anodized, Mopar, Big Block, Each

Part Number: MEZ-WN0029R

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Thermostat Housing

Part Number: MEZ-WN0030B

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Thermostat Housing

Part Number: MEZ-WN0030R

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck, Billet Aluminum, Blue Anodized, Straight Up, Mopar, Small Block, Each

Part Number: MEZ-WN0030S

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck, Billet Aluminum, Polished, Straight Up, Mopar, Small Block, Each

Part Number: MEZ-WN0030U

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Fitting, Manifold Plate, Straight, SBC/BBC/BBM to 3/4-NPT Female, Aluminum, Red Anodized, Each

Part Number: MEZ-WN0008R

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck, Billet Aluminum, Red Anodized, Straight Up, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0912R

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck, Billet Aluminum, Polished, Straight Up, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0912U

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck, Billet Aluminum, Blue Anodized, Straight Up, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0916B

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Fitting, Manifold Plate, Straight, SBC/BBC/BBM to 3/4-NPT Female, Aluminum, Black Anodized, Each

Part Number: MEZ-WN0008S

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck Plate, Billet Aluminum, Red Anodized, Straight Up, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0916R

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order