1P3742 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul Gasket Set, New

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1P3742 | 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-1P3742 — Gasket Kit - Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-0L364 Lock 17 EA
2 M-1H1023 Seal - O-ring 1 EA
3 M-4M8974 Lock - Nut 1 EA
4 M-4N7526 Seal 1 EA
5 M-5B131 2 EA
6 M-5B3265 Washer 3 EA
7 M-5B3718 Seal - O-Ring 12 EA
8 M-5B6031 Gasket 1 EA
9 M-5B8932 Gasket 1 EA
10 M-5F9144 Seal - O-ring 1 EA
11 M-5H1190 Seal 1 EA
12 M-5H6012 Seal - Lip Type 1 EA
13 M-1H5728 Seal - Hydraulic 1 EA
14 M-5H6733 Seal - O-ring 6 EA
15 M-5H7704 Seal - O-ring 4 EA
16 M-5L1831 Gasket 1 EA
17 M-5L2093 Gasket 2 EA
18 M-5L2904 1 EA
19 M-5L2135 Gasket 1 EA
20 M-5L3124 Gasket 1 EA
21 M-5L3377 Gasket 2 EA
22 M-5L3378 Gasket 5 EA
23 M-2453512 Gasket - Exh Manifold 1 EA
24 M-1H8278 Seal - O-ring 2 EA
25 M-5L4949 Lock - Nut 1 EA
26 M-5L6737 Gasket 4 EA
27 M-5L7475 Gasket 1 EA
28 M-5L8043 Gasket 1 EA
29 M-5L8444 5 EA
30 M-5L8818 Gasket 6 EA
31 M-5L9809 1 EA
32 M-5M6038 Seal 2 EA
33 M-5N3275 Gasket 1 EA
34 M-6L7815 Seal - O-ring 36 EA
35 M-6B8241 Gasket 1 EA
36 M-7B280 Seal 4 EA
37 M-7B9514 Lock 2 EA
38 M-8B3410 1 EA
39 M-8B4967 Seal - O-ring 1 EA
40 M-6F1069 Seal - O-Ring 12 EA
41 M-6F5411 Gasket 2 EA
42 M-1S4295 Gasket - Turbocharger 2 EA
43 M-7F2836 Lock - Auxiliary Pump 3 EA
45 M-7F7510 Lock - Nut 5 EA
46 M-7F7669 Gasket 1 EA
47 M-8F4994 Seal - O-ring 12 EA
48 M-8F8682 Lock - Screw 3 EA
49 M-8F9206 Seal - O-ring 26 EA
50 M-9F4446 Seal - O-ring 5 EA
51 M-7H9832 Lock - Nut 7 EA
52 M-8H1607 Seal - O-ring 1 EA
53 M-1S4810 Gasket - Turbocharger Oil Supp 2 EA
54 M-8H9180 Seal - Lip Type 1 EA
55 M-9H6067 Seal - O-ring 2 EA
56 M-6L1540 Gasket 2 EA
57 M-6L1648 Seal - O-ring 2 EA
58 M-6L1649 Seal - O-ring 4 EA
59 M-6L1650 Seal - O-ring 6 EA
60 M-6L1651 Seal - O-ring 17 EA
61 M-6L1881 Lock - Nut 16 EA
62 M-6L2069 Gasket 1 EA
63 M-6L3352 Gasket 6 EA
64 M-1S6595 Gasket - Turbocharger Oil Supp 2 EA
65 M-6L3398 Gasket 1 EA
66 M-6L3399 Gasket 2 EA
67 M-6L3400 Gasket 1 EA
68 M-6L4497 Gasket 6 EA
69 M-6L5298 Gasket 1 EA
70 M-6L5306 2 EA
71 M-6L5360 Seal - O-ring 4 EA
72 M-6L5366 Gasket 2 EA
73 M-6L5567 Gasket 1 EA
74 M-6L6487 Gasket 4 EA
75 M-2A2209 Lock - Accelerator 1 EA
76 M-6L6489 Gasket 4 EA
77 M-8L5457 Gasket 1 EA
78 M-6L7817 Seal - O-ring 12 EA
79 M-7M4340 Lock - Bolt 24 EA
80 M-7M6843 Gasket 1 EA
81 M-7M6844 Gasket 1 EA
82 M-8M4437 Seal - O-ring 8 EA
83 M-8M4987 Seal - O-ring 1 EA
84 M-8M4989 Seal - O-ring 1 EA
85 M-2A3278 Gasket 2 EA
86 M-9M57 Washer - Rubber 1 EA
87 M-9M3866 Gasket 1 EA
88 M-9M4217 Seal - O-ring 1 EA
89 M-9M7660 Gasket 1 EA
90 M-9M9545 Seal - O-ring 2 EA
91 M-9M9647 Seal - O-ring 13 EA
92 M-9S1369 Gasket - Transfer Case 1 EA
93 M-8N7780 Shield 12 EA
94 M-2A3885 Gasket - Bleeder Valve 1 EA
95 M-0L1213 Gasket 2 EA
96 M-2A5328 Lock 3 EA
97 M-2B1738 Lock - Screw 8 EA
98 M-2F2005 Gasket 1 EA
99 M-2H2665 Seal - Elbow 8 EA
100 M-2H4513 Gasket 1 EA
101 M-2H4546 Gasket 2 EA
102 M-2L4730 Gasket 1 EA
103 M-2L5970 Sleeve 1 EA
104 M-2M4453 Seal - O-ring 12 EA
105 M-2M5173 Seal - Turbocharger Flange 2 EA
106 M-0L1477 Lock - Screw 2 EA
107 M-2M8663 Seal - O-ring 12 EA
108 M-2N2560 Seal 2 EA
109 M-2N5693 Gasket 2 EA
110 M-2N5843 Packing 12 EA
111 M-2S3966 Ring 1 EA
112 M-3F4550 Lock 12 EA
113 M-3H2652 Seal - O-ring - Planetary 1 EA
114 M-3H5939 Gasket - Expansion Tank 1 EA
115 M-3N3220 Gasket - Cylinder Head 6 EA
116 M-3S1427 Seal - O-ring 2 EA
117 M-1A7427 Lock - Nut 6 EA
118 M-3S3535 Seal 1 EA
119 M-3S9643 Seal - Thermostat 4 EA
120 M-4F5607 Seal - O-Ring 12 EA
121 M-4F7387 Seal - O-ring - Oil Cooler 3 EA
122 M-4F7391 Seal - Hydraulic 1 EA
123 M-4H1723 1 EA
124 M-4H2494 Sleeve 8 EA
125 M-4H2662 Sleeve 9 EA
126 M-4H5952 Gasket 12 EA
127 M-4L3020 Gasket 12 EA
128 M-1F3131 Gasket 3 EA
129 M-4L3375 Gasket - Acc Drive 2 EA
130 M-4L3392 Gasket - Acc Drive 1 EA
131 M-4L3437 Gasket - Acc Drive 8 EA
132 M-4L3759 Nut - Lock 3 EA
133 M-4L5832 Gasket 5 EA
134 M-4L6145 Gasket 8 EA
135 M-4L6182 Lock - Nut 2 EA
136 M-4L6183 4 EA
137 M-4L6184 Lock - Nut 1 EA
138 M-4L6194 Gasket 1 EA
139 M-1F4419 Gasket 6 EA
140 M-4L6216 Gasket 3 EA
141 M-4L6706 Gasket 20 EA
142 M-4L6768 Gasket 1 EA
143 M-4L6782 1 EA
144 M-4L7586 Gasket 1 EA
145 M-4L7631 Gasket 1 EA
146 M-4L7632 1 EA
147 M-4L7633 Gasket 1 EA
148 M-4L7642 Gasket 4 EA
149 M-4L7644 Gasket 2 EA
150 M-1F6936 4 EA
151 M-4L7823 Lock 2 EA
152 M-4L7854 1 EA
153 M-4L7870 5 EA
154 M-4L7890 Gasket 4 EA
155 M-4L7900 Gasket 2 EA
156 M-4L7904 Gasket 4 EA
157 M-4L7907 Gasket 2 EA
158 M-4L7923 Gasket 1 EA
159 M-4L7934 Gasket 1 EA
160 M-4L7935 Gasket 1 EA
161 M-1F7178 Gasket 1 EA
162 M-4L7937 Gasket 1 EA
163 M-4L8097 Gasket 12 EA
164 M-4L8120 Gasket - Oil Cooler 2 EA
165 M-4L8121 Gasket 2 EA
166 M-4L8128 Gasket 5 EA
167 M-4L8132 Gasket 1 EA
168 M-4L8144 Gasket 2 EA
169 M-4L8149 Gasket 7 EA
170 M-4L8162 Gasket 1 EA
171 M-4L8175 Gasket 1 EA
172 M-1F9223 Gasket - Cylinder Block Side C 6 EA
173 M-4L8176 Gasket 1 EA
174 M-4L8191 Gasket 1 EA
175 M-4L8212 Gasket 2 EA
176 M-4L8215 Gasket 1 EA
177 M-4L8337 Seal - O-ring - Air Compressor 4 EA
178 M-4L8606 Gasket - Oil Cooler Lines 4 EA
179 M-4L8644 Gasket 3 EA
180 M-4L8651 Gasket 2 EA
181 M-4L8767 Nut - Lock 1 EA
182 M-4L9965 Gasket 2 EA
183 CG73PR 1 EA
184 CG73PAD 1 EA
185 LABEL 4X12 1 EA
186 CG72PAD 1 EA
187 M-4H1723 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.

  • 1P3742

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