343041 | Caterpillar D343/D346/D348/D349 Major Overhaul Gasket Set, New

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343041 | Caterpillar D343/D346/D348/D349 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: MCB343041 — Gasket Kit - Major Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-2B1738 Lock - Screw 1 EA
2 M-3H4970 Seal - Accessory Drive 2 EA
3 M-1S4810 Gasket - Turbocharger Oil Supp 1 EA
4 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
5 M-2H5001 Ring - Seal 1 EA
6 M-2M5173 Seal - Turbocharger Flange 2 EA
7 M-2M6203 Gasket 6 EA
8 M-2M8089 Gasket 1 EA
9 M-2P9773 Seal 1 EA
10 M-3D2992 Seal - O-ring 6 EA
11 M-3H3385 Seal - Hydraulic 3 EA
12 M-9S5746 Ferrule - Water Director Seal 24 EA
13 M-4B8407 Washer - Flat 2 EA
14 M-3S5496 Seal - O-ring 1 EA
15 M-3S7781 Gasket - Transfer Case 1 EA
16 M-3S9686 Gasket - Cylinder Head 1 EA
17 M-4L8337 Seal - O-ring - Air Compressor 2 EA
18 M-4M4460 Gasket 1 EA
19 M-4M8210 Lock 1 EA
20 M-5H7704 Seal - O-ring 4 EA
21 M-5M1868 Seal - O-ring 6 EA
22 M-5M1902 Gasket 1 EA
23 M-5M9419 Gasket 1 EA
24 M-4N9484 1 EA
25 M-5M9421 Gasket 1 EA
26 M-6F9163 Washer - Oil Filter 1 EA
27 M-6H1995 Seal - O-ring 2 EA
29 M-7B305 Seal - O-ring 1 EA
30 M-7M6918 1 EA
31 M-7M7224 Gasket 1 EA
32 M-7M7226 Gasket 1 EA
33 M-7M7273 Gasket - Turbocharger 1 EA
34 M-7M7668 1 EA
35 M-4N9483 1 EA
36 M-7S3206 Seal - O-ring 7 EA
37 M-8H9180 Seal - Lip Type 1 EA
38 M-8M904 Gasket - Oil Lines Group 1 EA
39 M-8M3178 1 EA
40 M-8M5266 Seal - O-ring 1 EA
41 M-8M9232 1 EA
42 M-8S9988 Shim - Head Gasket 1 EA
43 M-9F5940 Gasket 1 EA
44 M-9H5829 Gasket 1 EA
45 M-9S1274 Gasket - Air Cleaner 2 EA
46 M-5M3535 Gasket 1 EA
47 M-9S5747 Seal 24 EA
48 M-2A5328 Lock 1 EA
49 M-8H9204 Washer - Felt - Fuel Pump 6 EA
50 M-5H7376 Gasket - Oil Filler - Breather 1 EA
51 M-2A1162 Gasket - Fuel Filter 1 EA
52 M-2S7472 Gasket 1 EA
53 M-3P1979 Seal - O-ring 1 EA
54 M-4F7391 Seal - Hydraulic 2 EA
55 M-4J5268 Seal - Hydraulic 2 EA
56 M-4M2920 Gasket 1 EA
57 M-5P4889 Seal - O-ring 1 EA
58 M-4M8303 Seal - O-ring 1 EA
59 M-4S7458 Diaphragm 1 EA
60 M-5H1190 Seal 1 EA
61 M-5H2767 Seal - O-ring 1 EA
62 M-6J2419 Seal - O-ring 2 EA
63 M-6L5773 Gasket - Fuel Pump 1 EA
64 M-7M6955 Gasket - Governor 1 EA
65 M-7S2374 Gasket 2 EA
66 M-8M4389 Seal - O-ring 1 EA
67 M-8M5254 Seal - O-ring 1 EA
68 M-6B831 Gasket 1 EA
69 M-8S5093 Gasket 1 EA
70 M-8S6157 Gasket 1 EA
71 M-9M6542 Gasket - Oil Lines Group 1 EA
72 M-2S3966 Ring 1 EA
73 M-3S3535 Seal 1 EA
74 M-4N7526 Seal 1 EA
75 M-5M9737 Seal - Oil 1 EA
76 M-7F2122 Seal - O-ring 1 EA
77 M-7M4196 1 EA
78 M-8M3007 1 EA
79 M-6F9163 Washer - Oil Filter 3 EA
80 M-9M2406 1 EA
81 M-9M2414 1 EA
82 M-4N3841 Gasket - Oil Cooler 1 EA
83 M-3S9643 Seal - Thermostat 2 EA
84 M-3J7354 Seal - O-ring 24 EA
85 M-8C3100 Seal - Water Pump 1 EA
86 M-8F6647 Gasket 1 EA
87 M-8M4991 Seal - O-ring 4 EA
88 M-4H5952 Gasket 1 EA
89 M-8M5249 Seal - O-ring 1 EA
90 M-8M5521 Gasket - Shutoff 1 EA
91 M-8M5661 Seal - O-ring 1 EA
92 M-9F5940 Gasket 1 EA
93 M-2P2773 Gasket 1 EA
94 M-2S1509 Seal - Crankshaft - Front 1 EA
95 M-5M4060 Lock 1 EA
96 M-6F9163 Washer - Oil Filter 1 EA
97 M-9S746 Gasket 1 EA
98 M-2S1949 Lock - Nut 1 EA
99 M-6H1995 Seal - O-ring 4 EA
100 M-2S2078 1 EA
101 M-8M4704 Seal - O-ring 1 EA
102 M-0L364 Lock 14 EA
103 M-0L1250 Lock 1 EA
104 M-1A2024 Gasket 1 EA
105 M-1M6724 Gasket - Oil Pan 1 EA
106 M-1M6831 Lock - Nut 3 EA
107 M-2B1738 Lock - Screw 4 EA
108 M-2M4071 1 EA
109 M-2M9189 Gasket - Oil Change Group 1 EA
110 M-9F7177 Gasket 1 EA
111 M-2M9222 Gasket 2 EA
112 M-3S5496 Seal - O-ring 1 EA
113 M-4F3956 Gasket 1 EA
114 M-4M78 Gasket - Oil Pan 1 EA
115 M-4M4460 Gasket 1 EA
116 M-5P8210 Seal - O-ring 1 EA
117 M-7M7667 1 EA
118 M-8F8682 Lock - Screw 1 EA
119 M-8F8683 Lock - Screw 1 EA
120 M-8M5266 Seal - O-ring 1 EA
121 M-9M2678 Gasket 1 EA
122 M-8S7093 Gasket 1 EA
123 M-9F5940 Gasket 1 EA
124 M-9F7177 Gasket 1 EA
125 M-9M3210 Gasket - Side Cover 1 EA
126 M-5H7376 Gasket - Oil Filler - Breather 1 EA
127 M-6F6673 Seal - O-ring 1 EA
128 M-8S8874 Lock - Nut 1 EA
129 M-5H7370 Seal - O-ring 1 EA
130 M-2S4750 Gasket - Acc Cover 2 EA
131 M-1H8171 Seal - Hydraulic 1 EA
132 M-1M556 Seal - O-ring 1 EA
133 M-1S7390 Seal - Hydraulic 1 EA
134 M-2P8763 Gasket 1 EA
135 M-3H4119 Lock - Nut 1 EA
136 M-5M9728 Lock 1 EA
137 M-7H1796 Gasket 1 EA
138 M-7L2894 Gasket 4 EA
139 M-7M4844 Gasket 1 EA
140 M-7M7205 Lock 4 EA
141 M-8H2778 Gasket - Fuel Filter 1 EA
142 M-1M9748 1 EA
143 M-2A4448 Gasket 1 EA
144 M-2P9773 Seal 1 EA
145 M-4F3956 Gasket 1 EA
146 M-8F8682 Lock - Screw 1 EA
147 M-0L364 Lock 6 EA
148 M-1D3867 1 EA
149 M-1H7339 Seal - O - Ring 1 EA
150 M-1M9711 Gasket 1 EA
151 M-1M9745 Gasket 1 EA
152 M-2B1738 Lock - Screw 1 EA
153 M-2M4453 Seal - O-ring 1 EA
154 M-2M574 Gasket 2 EA
155 M-2S4080 Gasket 1 EA
156 M-4H7869 Gasket - Starter 1 EA
157 M-5F3106 1 EA
158 M-5H8848 Seal - O-ring 1 EA
159 M-5M9416 Gasket 1 EA
160 M-5M9420 Gasket 1 EA
161 M-6F4868 Washer - Oil Pan 1 EA
162 M-7S3247 Gasket 1 EA
163 M-7S3256 Gasket 1 EA
164 M-8M7587 Lock - Nut 2 EA
165 M-2M9189 Gasket - Oil Change Group 2 EA
166 M-9N3281 Gasket 1 EA
167 M-9S712 Lock 1 EA
168 M-9S723 Lock 1 EA
169 M-9S4128 Gasket 1 EA
170 M-0L364 Lock 27 EA
171 M-1M5829 Gasket - Air Lines Group 1 EA
172 M-1P1386 4 EA
173 M-1P6857 Gasket 1 EA
174 M-1S1123 1 EA
175 M-1S2543 1 EA
176 M-1757904 Seal - O-ring 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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    RECENTLY VIEWED

    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

    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