9S9458 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul Supplement Gasket Set, New

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9S9458 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul Supplement 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-9S9458 — Gasket Set - Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-2A3278 Gasket 4 EA
2 M-3H2388 Seal - O-ring 1 EA
3 M-3H5939 Gasket - Expansion Tank 1 EA
4 M-4H1723 2 EA
5 M-4H2494 Sleeve 2 EA
6 M-5H7704 Seal - O-ring 6 EA
7 M-5H8624 Seal - O-ring 4 EA
8 M-2J157 Seal - O-ring 2 EA
9 M-2K8199 Seal - Hydraulic 1 EA
10 M-4L8337 Seal - O-ring - Air Compressor 4 EA
11 M-5L8991 Gasket - Cover 1 EA
12 M-5B8932 Gasket 2 EA
13 M-5L9842 Gasket 2 EA
14 M-6L1649 Seal - O-ring 2 EA
15 M-6L5766 Gasket 1 EA
16 M-6L5773 Gasket - Fuel Pump 1 EA
17 M-6L6487 Gasket 4 EA
18 M-6L6489 Gasket 4 EA
19 M-6L7816 Seal - O-ring 8 EA
20 M-6L7817 Seal - O-ring 16 EA
21 M-6B9186 Gasket - Weight Group 1 EA
22 M-6L8037 Gasket 1 EA
23 M-6L8966 Gasket 1 EA
24 M-7L2149 Gasket 16 EA
25 M-7L6435 2 EA
26 M-7L7735 Gasket 1 EA
27 M-7L8682 Gasket 1 EA
28 M-8L3873 Gasket 3 EA
29 M-8L4156 Gasket 1 EA
30 M-8L4159 Gasket 1 EA
31 M-8L5457 Gasket 1 EA
32 M-2F4159 Lock 1 EA
33 M-8L6207 Gasket 1 EA
34 M-8L9757 Gasket 2 EA
35 M-2M2489 Oil Seal 3 EA
36 M-2M9780 Seal - O-ring 1 EA
37 M-4M8303 Seal - O-ring 1 EA
38 M-7M7273 Gasket - Turbocharger 2 EA
39 M-7M9919 6 EA
40 M-8M1051 Seal 1 EA
41 M-8M4445 Seal - O-ring 1 EA
42 M-8M4988 Seal - O-ring 1 EA
43 M-4F7952 Seal - Hydraulic 1 EA
44 M-8M4989 Seal - O-ring 2 EA
45 M-8M4991 Seal - O-ring 1 EA
46 M-8M8997 Seal - O-ring 1 EA
47 M-9M6292 Lock 1 EA
48 M-9M6293 Lock 1 EA
49 M-2N1500 Gasket 4 EA
50 M-2N1543 Gasket 2 EA
51 M-2N1587 Gasket 1 EA
52 M-2N2416 Gasket 1 EA
53 M-2N3236 Gasket - Exh Manifold 8 EA
54 M-5F9144 Seal - O-ring 1 EA
55 M-2N5693 Gasket 2 EA
56 M-3P648 Seal - O-ring 1 EA
57 M-3P650 Seal - O-ring 2 EA
58 M-3P651 Seal - Oil Cooler Lines 2 EA
59 M-3P655 Seal - Oil Lines 1 EA
60 M-3P657 Seal - Scavenger Pump 2 EA
61 M-2S7309 1 EA
62 M-2S7314 Gasket 1 EA
63 M-2S8204 Gasket 1 EA
64 M-3S1427 Seal - O-ring 2 EA
65 M-9F4446 Seal - O-ring 4 EA
66 M-3S4182 Seal 1 EA
67 M-3S4819 1 EA
68 M-3S6552 Gasket 1 EA
69 M-5S4548 Seal - O-ring 2 EA
70 M-5S4554 2 EA
71 M-9S4671 Oil Seal 1 EA
72 MCB6B6224 Ferrule and Seal Assy 32 EA
73 MCB7B2420 Ferrule and Seal Assy 24 EA
74 M-2H2665 Seal - Elbow 8 EA
75 M-2H5001 Ring - Seal 1 EA
76 M-4H1723 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.

  • 9S9458

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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Above The Line

Customer Service Guaranteed

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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