9M712 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul Gasket Set, New

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9M712 | 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-9M712 — Gasket Kit - Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-0S2388 1 EA
2 M-1S4295 Gasket - Turbocharger 1 EA
3 M-8H9364 Gasket 1 EA
4 M-8H9405 Gasket 1 EA
5 M-8H9788 Gasket 2 EA
6 M-8L4339 Gasket 1 EA
7 M-8L9803 Gasket 2 EA
8 M-8M1589 Gasket 2 EA
9 M-8M4988 Seal - O-ring 2 EA
10 M-8M5266 Seal - O-ring 1 EA
11 M-8M7754 1 EA
12 M-8M8997 Seal - O-ring 2 EA
13 M-1S4604 Seal - Lip Type 1 EA
14 M-9F4522 Gasket 2 EA
15 M-9H1129 Seal - Oil 1 EA
16 M-9H2299 Gasket 2 EA
17 M-9H2515 1 EA
18 M-9H3864 Gasket 1 EA
19 M-9H4557 Seal - O-ring 2 EA
20 M-9M57 Washer - Rubber 1 EA
21 M-9M2676 Gasket 1 EA
22 M-9M7432 Seal - Lip Type 2 EA
23 M-9M7622 Gasket 2 EA
24 M-1S4810 Gasket - Turbocharger Oil Supp 1 EA
25 M-9M8513 1 EA
26 M-9M9545 Seal - O-ring 1 EA
27 M-9S1274 Gasket - Air Cleaner 1 EA
28 M-9S4490 Gasket 1 EA
29 M-9H5921 Gasket 1 EA
30 M-9H6067 Seal - O-ring 2 EA
31 MCB6B6224 Ferrule and Seal Assy 19 EA
32 MCB7B2420 Ferrule and Seal Assy 2 EA
33 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
34 M-9L494 3 EA
35 M-9L548 3 EA
36 M-9L872 1 EA
37 M-7M4406 1 EA
38 M-5P5678-3 Seal - Stock - Valve Cover 1 EA
39 M-2A3885 Gasket - Bleeder Valve 1 EA
40 M-2A4638 Gasket 1 EA
41 M-2B5721 Gasket 1 EA
42 M-2D6392 Seal - O-ring 1 EA
43 M-2F6678 Oil Seal 1 EA
44 M-2H3931 Seal - O-ring 1 EA
45 M-1A2024 Gasket 2 EA
46 M-2L5970 Sleeve 1 EA
47 M-2M2489 Oil Seal 1 EA
48 M-2M5407 Gasket - Oil Lines Group 1 EA
49 M-2M7876 Seal - Valve Guide 12 EA
50 M-2S8145 2 EA
51 M-3D2992 Seal - O-ring 6 EA
52 M-3H107 Seal - Hydraulic 1 EA
53 M-1H1023 Seal - O-ring 3 EA
54 M-3H1397 1 EA
55 M-3H3385 Seal - Hydraulic 2 EA
56 M-3H4970 Seal - Accessory Drive 1 EA
57 M-3L3380 1 EA
58 M-3S3977 Seal - Dust 12 EA
59 M-4F3956 Gasket 2 EA
60 M-4F9325 Gasket 1 EA
61 M-4H2494 Sleeve 7 EA
62 M-4H2662 Sleeve 4 EA
63 M-4H9541 Gasket 1 EA
64 M-1L710 2 EA
65 M-4L1267 Gasket 1 EA
66 M-4L8337 Seal - O-ring - Air Compressor 2 EA
67 M-4M189 Seal - O-ring 2 EA
68 M-4M1832 Gasket 1 EA
69 M-4M1851 Gasket 1 EA
70 M-4M2250 Gasket 1 EA
71 M-4M2927 1 EA
72 M-4M2956 Gasket 1 EA
73 M-1694200 Gasket - Oil Pan 1 EA
74 M-4M6480 Gasket - Cover 1 EA
75 M-1M8508 Gasket 1 EA
76 M-4M6826 Gasket 1 EA
77 M-5B3718 Seal - O-Ring 6 EA
78 M-5B8906 4 EA
79 M-5F1678 Seal - O-ring - Hydraulic 3 EA
80 M-5F3999 Seal - O-ring 1 EA
81 M-5H7704 Seal - O-ring 2 EA
82 M-5L2670 Gasket 1 EA
83 M-5L5840 Washer 24 EA
84 M-5L7466 1 EA
85 M-1M9390 Gasket 4 EA
86 M-5L7493 Gasket 2 EA
87 M-5L7819 Gasket 2 EA
88 M-5L8854 Ring - Seal 1 EA
89 M-5L8855 Ring - Seal - Turbocharger 1 EA
90 M-5L8985 Gasket 1 EA
91 M-5L8991 Gasket - Cover 1 EA
92 M-5M954 Gasket 1 EA
93 M-5M5860 Seal - Ring - Water Lines 1 EA
94 M-5M6038 Seal 2 EA
95 M-5M6039 Gasket - Cylinder Head 1 EA
96 M-1N9177 Seal 1 EA
97 M-5M7539 Gasket 1 EA
98 M-5S1105 Seal - O-ring - Cooling Group 6 EA
99 M-5S6692 Gasket 2 EA
100 M-6B7020 Gasket 1 EA
101 M-6F1069 Seal - O-Ring 6 EA
102 M-6F4855 Seal - O-ring 1 EA
103 M-6F6673 Seal - O-ring 1 EA
104 M-6F9163 Washer - Oil Filter 1 EA
105 M-6H3136 Sleeve 1 EA
106 M-1S155 Gasket 1 EA
107 M-6H5672 Seal - O-ring 2 EA
108 M-6H9949 Gasket 1 EA
109 M-6L1597 Gasket 4 EA
110 M-1M90 Gasket 6 EA
111 M-7B305 Seal - O-ring 6 EA
112 M-7B7129 Gasket 2 EA
113 M-7H1796 Gasket 1 EA
114 M-1S685 Pin - Cotter 12 EA
115 M-7H4223 Gasket 3 EA
116 M-7M6955 Gasket - Governor 2 EA
117 M-7M9909 Seal - O-ring 1 EA
118 M-8F4994 Seal - O-ring 1 EA
119 M-8F9206 Seal - O-ring 1 EA
120 M-8H9180 Seal - Lip Type 1 EA
121 M-8H9183 Gasket 1 EA
122 M-8H9220 Gasket 2 EA
123 M-8H9223 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.

  • 9M712

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