Fill Cap Kits

Fitting, Bung, Weld-In, Rear End/Weight Bar Style, Cap, Female 1-5/16 in. - 12TPI, Aluminum, Each

Part Number: MEZ-PN6550

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kit, 1-1/2 in.-12 Thread, Weld-On, Aluminum, 1.375 in. Diameter Opening, Kit

Part Number: AAF-ALL36160

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

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 12/29/2025

Fitting, Bung, Weld-In, Fuel Filler Style, Cap, Female 2 1/2 in - 16 NPT, Aluminum, Each

Part Number: MEZ-PN6500

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kits, Bolt-on, 1.950 in. Cap Diameter, Billet Aluminum, Black Anodized, 1 1/2-12 Thread Size, 1.38 in. Diameter Opening, Kit

Part Number: HLY-241-230

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

Assembly Cap, Bung 2.5 in. Pro Aluminum Cap Bung, Each

Part Number: MEZ-PN6700

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kits, Weld-On, 1.950 in. Diameter, 1.50 in.-12 Thread Size, Billet Aluminum, Black Anodized, Aluminum Bung Material, 1.38 in. Opening, Kit

Part Number: HLY-241-228

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

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 12/29/2025

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

Part Number: MOR-85283

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kits, Weld-on, Billet Aluminum, Black Anodized, 1 1/2-12 in.Thread Size, Kit

Part Number: AAF-ALL36164

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

Fill Cap, Billet Aluminum, Black Anodized, Aluminum Bung, 1.380 in. Diameter Opening, Each

Part Number: EAR-166018ERL

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

Fitting, Weld Bung, Female Threads, 1.50 in. Outside Diameter, 6061 Aluminum, includes Black Anodized Aluminum Thread-On Cap, kit

Part Number: VPE-11289

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kits, Aluminum Bung, Weld-on, 3.000 in. Cap Diameter, 3-12 Cap Thread Size, Sliver Anodized, Kit

Part Number: AAF-ALL36170

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kits, Fill Plug Kits, Bolt-on, 1.50 in. Cap Diameter, Billet Aluminum, Black Anodized, 1 1/2-12 Thread Size, 1.375 in. Diameter Opening, Kit

Part Number: AAF-ALL36181

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

Fitting, Weld Bung, Female Threads, 1.50 in. Outside Diameter, 6061 Aluminum, includes Polished Aluminum Thread-On Cap, kit

Part Number: VPE-11288

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Weld-In Bungs and Fittings, 2" Billet Aluminum Cap, Black Anodized, Aluminum Bung

Part Number: RHC-26-0003-BK

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kit, Aluminum Cap, Black Anodized, Weld-on Aluminum Neck, 1.438 in. Diameter Cap, Kit

Part Number: PFF-08-0611

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kits, 1-1/2 in.-12 Thread, Weld-on, Billet Aluminum, Polished, 1.500 in. Diameter, Kit

Part Number: AAF-ALL36166

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

Fill Cap Kit, Aluminum Cap, Black Anodized, Weld-on Aluminum Neck, 3 in. Diameter Cap, Kit

Part Number: PFF-08-0621

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Fill Plug Kit, 3 in. -12, Billet Aluminum Cap, Weld-On, Polished, 3.00 in. Diameter Cap, Kit

Part Number: AAF-ALL36173

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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• Special Order

Fill Plug Kit, Billet Aluminum Cap, Bolt-On, Red Anodized, 3.00 in. Cap Diameter, Kit

Part Number: AAF-ALL40133

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

• Drop Ship
• Special Order

Fill Cap Kits, 1-1/2 in.-12 Thread, Weld-on, Billet Aluminum, Red Anodized, 1.500 in. Diameter, Kit

Part Number: AAF-ALL36165

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 30, 2026 if ordered today

• Drop Ship
• Special Order

Fill Plug Kit, 1 1/2 in. -12, Billet Aluminum Cap, Bolt-On, Silver Anodized, 1.500 in. Diameter Cap, Kit

Part Number: AAF-ALL36180

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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• Special Order

Weld-In Bungs and Fittings, 1 5/8" Billet Aluminum Cap, Blue Anodized, Aluminum Bung

Part Number: RHC-26-0001-BL

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order