6V5488 | Caterpillar 6.25"/D353/D379/D398/D399 Central & Lower Gasket Set, New

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6V5488 | Caterpillar 6.25"/D353/D379/D398/D399 Central & Lower Gasket Set, New

Product Overview
This heavy-duty replacement component is engineered to meet or exceed OEM specifications for reliable performance and long service life in demanding diesel engine applications. Each unit is manufactured with strict quality control standards to help ensure proper fitment and durability in professional diesel engine rebuild environments.

Kit Contents

Kit: M-6V5488 — Gasket Kit - Central and Lower
Line No Kit Item No Item Name Qty UOM
1 M-0L796 Lock 1 EA
2 M-3P648 Seal - O-ring 1 EA
3 M-3P656 Seal - Oil Lines 1 EA
4 M-4L7586 Gasket 1 EA
5 M-4L8175 Gasket 1 EA
6 M-4L8176 Gasket 1 EA
7 M-4L8766 Gasket 1 EA
8 M-6L1651 Seal - O-ring 9 EA
10 M-7L2905 Gasket 1 EA
11 M-7L2906 2 EA
12 M-0S2415 Lock 2 EA
13 M-7L3111 Gasket 2 EA
14 M-7M4353 Gasket 2 EA
15 M-8F8682 Lock - Screw 2 EA
16 M-8F8683 Lock - Screw 1 EA
17 M-8L5457 Gasket 1 EA
18 M-9H6761 Seal - O-ring 1 EA
19 M-1F3131 Gasket 3 EA
20 M-1F4419 Gasket 4 EA
21 M-1F9223 Gasket - Cylinder Block Side C 4 EA
22 M-2N5843 Packing 6 EA
23 M-3D2992 Seal - O-ring 1 EA
24 M-3F4550 Lock 8 EA
25 M-3N3299 Gasket 1 EA

Key Features

  • OE-style fitment for proper installation
  • Durable construction for demanding operating conditions
  • Engineered for dependable heavy-duty diesel performance

About Interstate-McBee
Interstate-McBee is a trusted manufacturer of premium aftermarket diesel engine components. Products are manufactured under ISO 9001:2015 quality management standards and are engineered to meet or exceed OEM specifications. With decades of experience supporting the diesel and gas engine industries, Interstate-McBee components are designed to deliver consistent quality, reliability, and performance for heavy-duty engine applications.

Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.

  • 6V5488

We offer free shipping on orders $250 and above! For orders under $250, standard shipping rates apply. If you need expedited shipping such as Next Day Air or 2nd Day Air, just give us a call and one of our sales representatives will help you get the order placed within the timeline you need!

2 year warranty applies!

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Free Ground Shipping

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Premium Quality Parts

Manufacturing Since 1973

offer

Buy Now, Pay Later

Interest-Free Up To 12M

offer

Above The Line

Customer Service Guaranteed

offer

Free Ground Shipping

On All Orders!

offer

Premium Quality Parts

Manufacturing Since 1973