8M3355 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul Gasket Set, New

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8M3355 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul 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-8M3355 — Gasket Kit - Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-1A2024 Gasket 1 EA
2 M-1S155 Gasket 1 EA
3 MCB6B6224 Ferrule and Seal Assy 19 EA
4 MCB7B2420 Ferrule and Seal Assy 2 EA
5 M-5L2951 1 EA
6 M-9L64 1 EA
7 M-9L78 1 EA
8 M-9L132 1 EA
9 M-9L212 1 EA
10 M-9L224 1 EA
11 M-9L242 1 EA
12 M-1S685 Pin - Cotter 12 EA
13 M-9L4036 1 EA
14 M-1694200 Gasket - Oil Pan 1 EA
15 M-3S9643 Seal - Thermostat 1 EA
16 M-5P5678 Seal - Stock 7 EA
17 M-1S773 1 EA
18 M-1S4295 Gasket - Turbocharger 1 EA
19 M-1S4604 Seal - Lip Type 1 EA
20 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
21 M-2A3885 Gasket - Bleeder Valve 1 EA
22 M-2H3932 Seal - Fuel Lines 1 EA
23 M-2L5970 Sleeve 1 EA
24 M-2M890 Gasket 1 EA
25 M-1B4218 Washer 1 EA
26 M-2M6689 2 EA
27 M-2M7876 Seal - Valve Guide 12 EA
28 M-2M8691 Gasket 2 EA
29 M-2S2182 1 EA
30 M-3B4621 14 EA
31 M-3D2992 Seal - O-ring 6 EA
32 M-3H976 Seal - O-ring 1 EA
33 M-3H4970 Seal - Accessory Drive 1 EA
34 M-3S3977 Seal - Dust 12 EA
35 M-4F5617 1 EA
36 M-1F7178 Gasket 1 EA
37 M-4H2496 Sleeve 2 EA
38 M-4H2662 Sleeve 3 EA
39 M-4L1245 Gasket 1 EA
40 M-4L1267 Gasket 1 EA
41 M-4L1287 1 EA
42 M-4L1834 1 EA
43 M-4L2284 Gasket 1 EA
44 M-4L9874 1 EA
45 M-4L9891 2 EA
46 M-1H6227 Seal - Hydraulic 1 EA
47 M-4M2250 Gasket 1 EA
48 M-4M2956 Gasket 1 EA
49 M-4M6480 Gasket - Cover 1 EA
50 M-4M6826 Gasket 1 EA
51 M-4M6984 1 EA
52 M-4M9397 1 EA
53 M-5B3718 Seal - O-Ring 6 EA
54 M-5B5980 Gasket 1 EA
55 M-1M90 Gasket 6 EA
56 M-5D2796 1 EA
57 M-5F1678 Seal - O-ring - Hydraulic 2 EA
58 M-5H9205 Seal - O-ring 5 EA
59 M-5L2670 Gasket 1 EA
60 M-5M954 Gasket 1 EA
61 M-5M5999 Gasket 2 EA
62 M-5M6038 Seal 2 EA
63 M-5M6039 Gasket - Cylinder Head 1 EA
64 M-5M7539 Gasket 1 EA
65 M-5M7590 Packing - Inlet Heater Pipe 1 EA
66 M-1M6118 Gasket 1 EA
67 M-5S1105 Seal - O-ring - Cooling Group 6 EA
68 M-5S6692 Gasket 2 EA
69 M-6F1069 Seal - O-Ring 6 EA
70 M-6F8146 Seal - O-ring 1 EA
71 M-6H8778 Gasket 1 EA
72 M-6H9949 Gasket 1 EA
73 M-7H1796 Gasket 1 EA
74 M-7H4223 Gasket 1 EA
75 M-1M8508 Gasket 1 EA
77 M-7M4406 1 EA
78 M-7M6843 Gasket 1 EA
79 M-7M6844 Gasket 1 EA
80 M-8F4099 Gasket 1 EA
81 M-8F4994 Seal - O-ring 1 EA
82 M-8F7559 1 EA
83 M-8H9180 Seal - Lip Type 1 EA
84 M-8H9183 Gasket 1 EA
85 M-8H9204 Washer - Felt - Fuel Pump 6 EA
86 M-1M9390 Gasket 4 EA
87 M-8H9220 Gasket 1 EA
88 M-8H9223 Gasket 1 EA
89 M-8H9364 Gasket 1 EA
90 M-8H9405 Gasket 1 EA
91 M-8H9788 Gasket 1 EA
92 M-9F7450 Gasket 2 EA
93 M-9H1129 Seal - Oil 1 EA
94 M-9H1145 Gasket 1 EA
95 M-9H2299 Gasket 3 EA
96 M-9H2642 2 EA
97 M-1N9177 Seal 1 EA
98 M-9H3847 Gasket 1 EA
99 M-9H3864 Gasket 1 EA
100 M-9H4557 Seal - O-ring 1 EA
101 M-9H5829 Gasket 3 EA
102 M-9H5920 Gasket 2 EA
103 M-9H5921 Gasket 1 EA
104 M-9M57 Washer - Rubber 1 EA
105 M-9M2676 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.

  • 8M3355

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