398081GC | Caterpillar 6.25"/D353/D379/D398/D399 Major Overhaul Gasket Set, New

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398081GC | Caterpillar 6.25"/D353/D379/D398/D399 Major 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: MCB398081GC — Gasket Kit - Major Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-4L8606 Gasket - Oil Cooler Lines 3 EA
2 M-5L3377 Gasket 2 EA
3 M-3N8654 Gasket 1 EA
4 M-2S4750 Gasket - Acc Cover 1 EA
5 M-6L5270 Gasket 2 EA
6 M-6L1576 12 EA
7 M-6L7816 Seal - O-ring 12 EA
8 M-3S9643 Seal - Thermostat 4 EA
9 M-4L3020 Gasket 12 EA
10 M-4L6145 Gasket 8 EA
11 M-6L9401 2 EA
12 M-9S1369 Gasket - Transfer Case 1 EA
13 M-2A4965 Lock 1 EA
14 M-6L3636 Gasket 1 EA
15 M-3P1155 Seal - O-ring 1 EA
16 M-3P1156 Seal - Oil Lines 1 EA
17 M-3S6552 Gasket 1 EA
18 M-6L5303 Gasket 2 EA
19 M-6L8966 Gasket 1 EA
20 M-7L8682 Gasket 1 EA
21 M-5B3265 Washer 1 EA
22 M-8J6775 Seal - Thread 8 EA
23 M-4L6706 Gasket 10 EA
24 M-1F6936 6 EA
25 M-4N7526 Seal 1 EA
26 M-7F7510 Lock - Nut 5 EA
27 M-4L7885 Gasket 4 EA
28 M-4L9965 Gasket 1 EA
29 M-8L5197 Gasket 1 EA
30 M-2S3966 Ring 1 EA
31 M-1H8278 Seal - O-ring 1 EA
32 M-4L5832 Gasket 2 EA
33 M-2N2560 Seal 1 EA
34 M-3S3535 Seal 1 EA
35 M-4L3375 Gasket - Acc Drive 2 EA
36 M-2B5721 Gasket 1 EA
37 M-6L5294 Gasket 2 EA
38 M-2N570 Gasket - Regulator Housing 2 EA
39 M-2L4730 Gasket 1 EA
40 M-5N4687 Gasket 1 EA
41 M-5N4688 Gasket 1 EA
42 M-6L5889 1 EA
43 M-5L8818 Gasket 2 EA
44 M-4L6183 4 EA
45 M-4L6216 Gasket 2 EA
46 MCB3N3220 Gasket - Cylinder Head 6 EA
47 M-8N7780 Shield 12 EA
48 M-9S8412 1 EA
49 M-2B9266 2 EA
50 M-5H6012 Seal - Lip Type 1 EA
51 M-4L3392 Gasket - Acc Drive 1 EA
52 M-4L3759 Nut - Lock 4 EA
53 M-6L1651 Seal - O-ring 30 EA
54 M-4L6184 Lock - Nut 1 EA
55 M-5L8444 5 EA
56 M-5B5689 Gasket 1 EA
57 M-0L1477 Lock - Screw 2 EA
58 M-4L3422 Gasket 1 EA
59 M-4L6182 Lock - Nut 2 EA
60 M-4L8767 Nut - Lock 1 EA
61 M-6L2069 Gasket 1 EA
62 M-9M4217 Seal - O-ring 3 EA
63 M-6L5304 Gasket 2 EA
64 M-8M4989 Seal - O-ring 2 EA
65 M-4L8128 Gasket 5 EA
66 M-6L5366 Gasket 2 EA
67 M-9M9647 Seal - O-ring 1 EA
68 M-4H2494 Sleeve 8 EA
69 M-3P648 Seal - O-ring 1 EA
70 M-3P656 Seal - Oil Lines 1 EA
71 M-4L7631 Gasket 1 EA
72 M-1A7427 Lock - Nut 7 EA
73 M-5B6031 Gasket 1 EA
74 M-4L8120 Gasket - Oil Cooler 4 EA
75 M-7B9457 Lock - Nut 2 EA
76 M-8B3410 1 EA
77 M-1F3131 Gasket 3 EA
78 M-1F4419 Gasket 6 EA
79 M-1F7178 Gasket 1 EA
80 M-1F9223 Gasket - Cylinder Block Side C 6 EA
81 M-2F2005 Gasket 1 EA
82 M-3F4550 Lock 12 EA
83 M-6F7557 Gasket 1 EA
84 M-8F8682 Lock - Screw 3 EA
85 M-4L8121 Gasket 2 EA
86 M-7H9832 Lock - Nut 6 EA
87 M-4L7586 Gasket 1 EA
88 M-4L8149 Gasket 7 EA
89 M-4L8175 Gasket 1 EA
90 M-4L8176 Gasket 1 EA
91 M-4L8651 Gasket 2 EA
92 M-4L8766 Gasket 1 EA
93 M-5L3418 Gasket 1 EA
94 M-5L6154 1 EA
95 M-7L3111 Gasket 3 EA
96 M-6L1650 Seal - O-ring 13 EA
97 M-8L5457 Gasket 1 EA
98 M-3N9075 Gasket 1 EA
99 M-4L3437 Gasket - Acc Drive 8 EA
100 M-8H1607 Seal - O-ring 2 EA
101 M-4K1388 Seal - O-ring 3 EA
102 M-4L6768 Gasket 1 EA
103 M-4L7923 Gasket 2 EA
104 M-5L3124 Gasket 1 EA
105 M-5L4949 Lock - Nut 1 EA
106 M-5L5986 Gasket 1 EA
107 M-5L3378 Gasket 3 EA
108 M-6L1649 Seal - O-ring 2 EA
109 M-6L5360 Seal - O-ring 2 EA
110 M-4M8974 Lock - Nut 1 EA
111 M-3P658 Seal - O-ring 2 EA
112 M-5B8932 Gasket 2 EA
113 M-9M1367 Lock - Bolt 5 EA
114 M-5L2093 Gasket 2 EA
115 M-4F7387 Seal - O-ring - Oil Cooler 4 EA
116 M-7F7669 Gasket 1 EA
117 M-0L1124 Gasket - Drain Plug 1 EA
118 M-6L1540 Gasket 2 EA
119 M-5N3275 Gasket 1 EA
120 M-2A3278 Gasket 2 EA
121 M-7B280 Seal 4 EA
122 M-8F4994 Seal - O-ring 1 EA
123 M-8F9206 Seal - O-ring 12 EA
124 M-0L364 Lock 2 EA
125 M-6L3352 Gasket 6 EA
126 M-6L4497 Gasket 6 EA
127 MCB6B6224 Ferrule and Seal Assy 48 EA
128 MCB7B2420 Ferrule and Seal Assy 36 EA
129 M-6L5298 Gasket 1 EA
130 M-8M4437 Seal - O-ring 8 EA
131 M-2N3597 Seal - Rubber 6 EA
132 M-4H5952 Gasket 12 EA
133 M-4L7890 Gasket 4 EA
134 M-4L7907 Gasket 2 EA
135 M-4L8097 Gasket 12 EA
136 M-6L7817 Seal - O-ring 24 EA
137 M-8L9757 Gasket 2 EA
138 M-2N3236 Gasket - Exh Manifold 12 EA
139 CG73PR 1 EA
140 CG73PAD 1 EA
141 LABEL 4X12 1 EA
142 CG72PAD 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.

    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