Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

$5 Off Your $100 Mobile App Purchase!

Moroso Cooling System Expansion Tanks

4.71 out of 5 stars 106 Customer Reviews

These expansion tanks are perfect for cars with low-mount radiators to provide a convenient filling location and to bleed off unwanted air. Versions are now available with rugged 6061-T6 billet aluminum filler necks welded to the tank to withstand the continuous removal and installation of the cap. They're 100 percent pressure- tested to eliminate leaks, and they accept a standard-size radiator cap (not included).

Results 1 - 25 of 34

Coolant Expansion Tank, Fabricated Aluminum, Natural, 1 1/4 Quart, Each

Part Number: MOR-63766

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion Tank, Fabricated Aluminum, Natural, 1 1/4 Quart, With Sight Tube, Each

Part Number: MOR-63773

Not Yet Reviewed

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion Tanks, Aluminum, Fabricated, Bolt-In, Natural, Chevrolet, Each

Part Number: MOR-63808

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion/Recovery Tank, Fabricated Aluminum, Natural, 2 1/4 Quart, Each

Part Number: MOR-63772

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion Tanks, Aluminum, Fabricated, Bolt-In, Natural, Mazda, Each

Part Number: MOR-63779

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

Cooling System Expansion Tank; w/Integral Mounting Brackets; 4 Qt. Capacity; Side

Part Number: MOR-63769

4.21 out of 5 stars ( 14 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion Tank, Recirculating, Bolt-in, Aluminum, Natural, Chevy, 5.7L LS, Each

Part Number: MOR-63787

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion Tank, Fabricated Aluminum, Direct Fit, Ford, Each

Part Number: MOR-63768

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Expansion Tank, Stamped Filler Neck, 1 Qt Cap, Low Profile, 2 5/8" Deep

Part Number: MOR-63655

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion Tank, Fabricated Aluminum, Direct Fit, Ford, 4.6L, Each

Part Number: MOR-63767

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Overflow Tank, 1.5 qt., Round, Aluminum, Natural, 1/4 in. NPT Female Inlet/1/2 in. NPT Female Outlet, Each

Part Number: MOR-63650

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Cooling System Expansion Tank, Aluminum, Natural, Ford, Each

Part Number: MOR-63783

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Tank, Expansion, Recirculating, Bolt-in, Aluminum, Natural, Ford, Each

Part Number: MOR-63806

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Overflow Tank, Aluminum, Rectangular, Black Powdercoat, 1 1/4 in. Quart Capacity, Each

Part Number: MOR-63952

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Overflow Tank, Aluminum, Natural, 1 Quart, Cylindrical, Panel Mount, Each

Part Number: MOR-63774

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Overflow Tank, 1 qt., Round, Aluminum, Natural, 1/4 in. NPT Inlet/1/2 in. NPT Outlet, Universal, Each

Part Number: MOR-63656

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Overflow Tank, Cooling System Expansion Tank, Recirculating, Aluminum, Natural, Mazda, 1.3L, Each

Part Number: MOR-63814

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 4, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 4, 2025 if ordered today

Coolant Expansion Tanks, Aluminum, Fabricated, Bolt-In, Natural, Chrysler, Dodge, V8, Each

Part Number: MOR-63812

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Tank, Expansion, Recirculating, Bolt-in, Aluminum, Natural, Mazda, 1.8L, Each

Part Number: MOR-63781

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

Coolant Expansion Tank, Vented, Recirculating, Bolt-in, Aluminum, Natural, Ford, Each

Part Number: MOR-63786

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

Overflow Tanks, Cooling System Expansion Tanks, Cylindrical, 22.6 oz. Capacity, Aluminum, Natural, 1/2 in. NPT Inlet, Roll Cage Mounting, Each

Part Number: MOR-63771

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 4, 2025 if ordered today

Overflow Tank, Cooling, Vented, Recirculating, Aluminum, Natural, Dodge, Each

Part Number: MOR-63497

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

Coolant Expansion Tanks, Aluminum, Fabricated, Bolt-In, Natural, Nissan, Each

Part Number: MOR-63811

Not Yet Reviewed

Estimated Ship Date: Monday 5/12/2025

...Loading

Estimated Ship Date: Monday 5/12/2025

Coolant Expansion Tanks, Aluminum, Fabricated, Bolt-In, Natural, Includes Radiator Cap, BMW, Each

Part Number: MOR-63793

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 4, 2025 if ordered today

Coolant Expansion Tank, Recirculating, Bolt-in, Aluminum, Natural, Lotus, 1.8L, Each

Part Number: MOR-63797

Not Yet Reviewed

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.