399002Q | Caterpillar 6.25"/D353/D379/D398/D399 Custom Gasket Set, New

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399002Q | Caterpillar 6.25"/D353/D379/D398/D399 Custom 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: MCB399002Q — Gasket Kit - Custom
Line No Kit Item No Item Name Qty UOM
1 M-5B3718 Seal - O-Ring 16 EA
2 M-1S6595 Gasket - Turbocharger Oil Supp 2 EA
3 M-9H6067 Seal - O-ring 2 EA
4 M-5H7704 Seal - O-ring 4 EA
5 M-4L8337 Seal - O-ring - Air Compressor 4 EA
6 M-6L2960 4 EA
7 M-6L2961 Ring - Expander - Turbocharger 4 EA
8 M-2N2766 Lock - Nut 8 EA
9 M-2N3295 Gasket 1 EA
10 M-2N3294 Gasket 1 EA
11 M-2N3583 Gasket - Housing Cover 1 EA
12 M-6F1069 Seal - O-Ring 16 EA
13 M-2N3584 Gasket - Housing Cover 1 EA
14 M-4L3437 Gasket - Acc Drive 4 EA
15 M-3N7731 Gasket 1 EA
16 M-3P653 Seal - Starter 2 EA
17 M-7L7735 Gasket 1 EA
18 M-3P655 Seal - Oil Lines 1 EA
19 M-3P656 Seal - Oil Lines 2 EA
20 M-5N3812 Gasket - Oil Pump 2 EA
21 M-9M4618 Seal - O-ring 1 EA
22 M-7L2013 Gasket 1 EA
23 M-4L7904 Gasket 2 EA
24 M-3P650 Seal - O-ring 2 EA
25 M-3P651 Seal - Oil Cooler Lines 3 EA
26 M-7L6005 Gasket 5 EA
27 M-2N568 Gasket 2 EA
28 M-2N570 Gasket - Regulator Housing 2 EA
29 M-9M4218 Seal - O-ring 2 EA
30 M-3S9643 Seal - Thermostat 4 EA
31 M-4L8121 Gasket 1 EA
32 M-4L5832 Gasket 1 EA
33 M-4L8606 Gasket - Oil Cooler Lines 1 EA
34 M-6L6487 Gasket 4 EA
35 M-5H6012 Seal - Lip Type 1 EA
36 M-8L5197 Gasket 1 EA
37 M-4L8176 Gasket 1 EA
38 M-2M4453 Seal - O-ring 16 EA
39 M-2M8663 Seal - O-ring 16 EA
40 M-6L8037 Gasket 1 EA
41 M-2L4730 Gasket 1 EA
42 M-7L8682 Gasket 1 EA
43 M-1F9223 Gasket - Cylinder Block Side C 8 EA
44 M-2N741 Gasket 1 EA
45 M-2H2665 Seal - Elbow 4 EA
46 M-3N1238 Gasket 1 EA
47 M-9M4217 Seal - O-ring 2 EA
48 M-8M2331 Gasket 2 EA
49 M-6L1649 Seal - O-ring 4 EA
50 M-1S4295 Gasket - Turbocharger 2 EA
51 M-1S4810 Gasket - Turbocharger Oil Supp 2 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