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Moroso Weld-On Filler Cap Kits

4.78 out of 5 stars 9 Customer Reviews

Moroso weld-on filler cap kits are universal to "fill" many needs. They can be used on power steering tanks, radiator overflow tanks, rear-ends, and valve covers—as well as other locations to replenish fluid or to serve as inspection ports. These kits include either a steel or aluminum weld-in bung with O-ring for leak-free sealing, and an aluminum cap with the Moroso logo (plain cap also available).

Results 1 - 4 of 4

Weld-In Fill Cap, Aluminum, Differential, Water, 1.25 in. -12 UNF, 1.50 in. Outside Diameter, Kit

Part Number: MOR-85282

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

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Estimated Ship Date: Monday 10/13/2025

Weld-In Fill Cap, Steel, Differential, Water, 1.25 in. -12 UNF, 1.50 in. Outside Diameter, Kit

Part Number: MOR-85280

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

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Estimated Ship Date: Monday 10/13/2025

Fill Cap Kit, Weld-In, Aluminum, Differential, Water, 1.25 in. -12 UNF, 1.50 in. Outside Diameter, Kit

Part Number: MOR-85286

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

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Estimated Ship Date: Monday 10/13/2025

Fill Cap Kit, Weld-On, Aluminum, Black Anodized, Kit

Part Number: MOR-85283

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

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Estimated Ship Date: Monday 10/13/2025

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