380SB55 Volvo / Mack Oil Fill Cap & Lanyard | New Genuine Mack (NOS)

380SB55 | Mack Oil Fill Cap & Lanyard | 1.375" Thermos Style, 1P380SB55 | New Genuine (NOS)

New genuine Mack oil fill cap and lanyard assembly, part number 380SB55, also referenced as 1P380SB55. Factory-sealed thermos-style 1.375-inch oil fill cap assembly designed to provide secure closure for compatible heavy-duty engine oil fill ports. Commonly used in select Volvo and Mack engine oil fill applications requiring a 1.375-inch thermos-style cap. New old stock (NOS) – unused and in excellent condition. In stock and ready to ship from Discount Parts Exchange (DPX), Mansfield, Ohio.

Call for pricing & availability: 419-522-3320.

Specs & Features

• Part Number: 380SB55
• Manufacturer: Mack
• Type: Oil Fill Cap & Lanyard Assembly
• Alternate Part Number: 1P380SB55
• Cap Style: Thermos Style – 1.375"
• Condition: New Genuine (NOS)
• Application: Select Volvo and Mack engine oil fill ports requiring a 1.375-inch thermos-style cap

What’s Included

• (1) Mack Oil Fill Cap & Lanyard Assembly – 380SB55 / 1P380SB55
• Factory-sealed NOS packaging as supplied
• No hardware included unless noted

Fitment Notes

• Commonly used in Volvo and Mack engines with compatible 1.375-inch thermos-style oil fill ports
• Confirm cap size, cap style, oil fill port design, and part number before ordering
• Verify all specifications before installation

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Shipping / Location

• Ships from Mansfield, Ohio warehouse (419-522-3320)
• Warehouse Bin Location: DPX_OH_BR549_MACK

Ohio’s Premier Heavy-Duty Drivetrain Rebuilder — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).