8M6873 | Caterpillar 6.25"/D353/D379/D398/D399 Cylinder Head Gasket Set, New

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8M6873 | Caterpillar 6.25"/D353/D379/D398/D399 Cylinder Head 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-8M6873 — Gasket Kit - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-5L3772 Gasket 1 EA
2 M-6N2235 Gasket 6 EA
3 M-7M7666 Gasket 6 EA
4 M-2B5721 Gasket 1 EA
5 M-5B3718 Seal - O-Ring 6 EA
6 M-2F3659 1 EA
7 M-4F5607 Seal - O-Ring 6 EA
8 M-6F1069 Seal - O-Ring 6 EA
9 M-8F4994 Seal - O-ring 6 EA
10 M-8F9206 Seal - O-ring 12 EA
11 M-2H2519 Gasket - Starter 2 EA
12 M-5H1039 Seal - O-ring 6 EA
13 M-5H1190 Seal 3 EA
14 M-5H2831 Gasket 1 EA
15 M-5H7704 Seal - O-ring 1 EA
16 M-4H2494 Sleeve 3 EA
17 M-6H5672 Seal - O-ring 1 EA
18 M-7H4249 Gasket 1 EA
19 M-6L5369 Gasket 2 EA
20 MCB6B6224 Ferrule and Seal Assy 24 EA
21 MCB7B2420 Ferrule and Seal Assy 16 EA
22 M-6L7816 Seal - O-ring 6 EA
23 M-1M6036 Seal - O-ring 2 EA
24 M-1M6922 Gasket 1 EA
25 M-2M5177 Gasket 1 EA
26 M-8N7892 Gasket - Alternator 2 EA
27 M-8M2970 Gasket - Cylinder Head 2 EA
28 M-1P1033 4 EA
29 M-5H2912 Gasket 6 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.

  • 8M6873

Free Standard ground shipping within the Continental US! If you need your parts in a hurry and would like to get them overnighted or expedited please give us a call and our sales reps will let you know what options are available!

2 year warranty applies!

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Buy Now, Pay Later

Interest-Free Up To 12M

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Free Ground Shipping

On All Orders!

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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