399023GC | Caterpillar 6.25"/D353/D379/D398/D399 Multi Cylinder Head Gasket Set, New

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399023GC | Caterpillar 6.25"/D353/D379/D398/D399 Multi 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: MCB399023GC — Gasket Set - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-1S4295 Gasket - Turbocharger 2 EA
2 M-4H2494 Sleeve 8 EA
3 M-3H4970 Seal - Accessory Drive 16 EA
4 M-4L8097 Gasket 16 EA
5 M-4L8337 Seal - O-ring - Air Compressor 4 EA
6 M-5B3718 Seal - O-Ring 16 EA
7 M-5H7704 Seal - O-ring 4 EA
8 MCB6B6224 Ferrule and Seal Assy 64 EA
9 M-6F1069 Seal - O-Ring 16 EA
10 M-6L4497 Gasket 8 EA
11 M-6L7816 Seal - O-ring 16 EA
12 M-1S4810 Gasket - Turbocharger Oil Supp 2 EA
13 M-6L7817 Seal - O-ring 32 EA
14 M-7H2783 Gasket 16 EA
15 M-7L2149 Gasket 16 EA
16 M-7L6005 Gasket 1 EA
17 M-8F4994 Seal - O-ring 16 EA
18 M-4L7890 Gasket 8 EA
19 M-9H6067 Seal - O-ring 2 EA
20 M-9M4217 Seal - O-ring 3 EA
21 M-6L6487 Gasket 4 EA
22 M-9M4218 Seal - O-ring 2 EA
23 M-1S6595 Gasket - Turbocharger Oil Supp 2 EA
24 M-4H5952 Gasket 16 EA
25 M-1P8004 Gasket 16 EA
26 M-5H6733 Seal - O-ring 6 EA
27 M-2N3236 Gasket - Exh Manifold 16 EA
28 M-8F9206 Seal - O-ring 32 EA
29 M-9F6656 Ring - Hydraulic Group 8 EA
30 MCB3N3220 Gasket - Cylinder Head 8 EA
31 M-8N7780 Shield 16 EA
32 MCB7B2420 Ferrule and Seal Assy 48 EA
33 M-2N3597 Seal - Rubber 8 EA
34 M-3H3451 Nut - Lock 2 EA
35 M-3N1238 Gasket 1 EA
36 M-3P647 Seal - O-ring 8 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.

    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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    offer

    Buy Now, Pay Later

    Interest-Free Up To 12M

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    Above The Line

    Customer Service Guaranteed

    offer

    Free Ground Shipping

    On All Orders!

    offer

    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