343051 | Caterpillar D343/D346/D348/D349 Major Overhaul Gasket Set, New

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343051 | 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: MCB343051 — Gasket Kit - Major Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-2B1738 Lock - Screw 1 EA
2 M-2M574 Gasket 2 EA
3 M-5M9728 Lock 1 EA
4 M-8M7587 Lock - Nut 2 EA
5 M-7M4844 Gasket 1 EA
6 M-0L364 Lock 27 EA
7 M-1M5829 Gasket - Air Lines Group 1 EA
8 M-1P6857 Gasket 1 EA
9 M-1P9897 1 EA
10 M-1S1123 1 EA
11 M-1S4810 Gasket - Turbocharger Oil Supp 1 EA
12 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
13 M-2M9189 Gasket - Oil Change Group 1 EA
14 M-1S7876 Lock - Nut 2 EA
15 M-2H5001 Ring - Seal 2 EA
16 M-2M5173 Seal - Turbocharger Flange 2 EA
17 M-2M6203 Gasket 6 EA
18 M-2M8089 Gasket 1 EA
19 M-2P9773 Seal 2 EA
20 M-2S3719 1 EA
21 M-2S6151 Gasket 1 EA
22 M-3D2992 Seal - O-ring 6 EA
23 M-3H3385 Seal - Hydraulic 3 EA
24 M-2P2773 Gasket 1 EA
25 M-3S5496 Seal - O-ring 2 EA
26 M-3S5849 Gasket 2 EA
27 M-3S7781 Gasket - Transfer Case 1 EA
28 M-3S9643 Seal - Thermostat 2 EA
29 M-3S9686 Gasket - Cylinder Head 1 EA
30 M-4L8337 Seal - O-ring - Air Compressor 2 EA
31 M-4M4460 Gasket 1 EA
32 M-4M8210 Lock 1 EA
33 M-2A5328 Lock 4 EA
34 M-5H7704 Seal - O-ring 4 EA
35 M-2S795 Gasket 1 EA
36 M-5M1868 Seal - O-ring 6 EA
37 M-5M1902 Gasket 1 EA
38 M-5M9419 Gasket 1 EA
39 M-5M9421 Gasket 1 EA
40 M-9S5746 Ferrule - Water Director Seal 24 EA
41 M-6F9163 Washer - Oil Filter 1 EA
42 M-6H1995 Seal - O-ring 2 EA
43 M-7M910 Gasket 1 EA
44 M-7M7224 Gasket 1 EA
45 M-7M7226 Gasket 1 EA
46 M-3H4970 Seal - Accessory Drive 2 EA
47 M-7M7273 Gasket - Turbocharger 1 EA
48 M-7S3206 Seal - O-ring 7 EA
49 M-8H9180 Seal - Lip Type 1 EA
50 M-8M904 Gasket - Oil Lines Group 1 EA
51 M-8M5266 Seal - O-ring 1 EA
52 M-8M9232 1 EA
53 M-8S9988 Shim - Head Gasket 1 EA
54 M-9F5940 Gasket 1 EA
55 M-9L2532 1 EA
56 M-9M3399 1 EA
57 M-4B8407 Washer - Flat 2 EA
58 M-9M5910 1 EA
59 M-9M8513 2 EA
60 M-9S1274 Gasket - Air Cleaner 2 EA
61 M-9S5747 Seal 24 EA
62 M-8H9204 Washer - Felt - Fuel Pump 6 EA
63 M-9M7063 1 EA
64 M-3S2915 1 EA
65 M-2A1162 Gasket - Fuel Filter 1 EA
66 M-2S7472 Gasket 1 EA
67 M-4F7391 Seal - Hydraulic 2 EA
68 M-4N9483 1 EA
69 M-4J5268 Seal - Hydraulic 2 EA
70 M-4M2920 Gasket 1 EA
71 M-4M8303 Seal - O-ring 1 EA
72 M-4S7458 Diaphragm 1 EA
73 M-5H2767 Seal - O-ring 2 EA
74 M-6J2419 Seal - O-ring 2 EA
75 M-6L5773 Gasket - Fuel Pump 1 EA
76 M-7S2374 Gasket 2 EA
77 M-8M4389 Seal - O-ring 1 EA
78 M-8M5254 Seal - O-ring 1 EA
79 M-4N9484 1 EA
80 M-8S5093 Gasket 1 EA
81 M-8S6157 Gasket 1 EA
82 M-9M6542 Gasket - Oil Lines Group 1 EA
83 M-8H9204 Washer - Felt - Fuel Pump 6 EA
84 M-2S3966 Ring 1 EA
85 M-3S3535 Seal 1 EA
86 M-4N3841 Gasket - Oil Cooler 2 EA
87 M-4N7526 Seal 1 EA
88 M-5M9737 Seal - Oil 1 EA
89 M-7F2122 Seal - O-ring 1 EA
90 M-5M3535 Gasket 1 EA
91 M-7M4196 1 EA
92 M-7M8151 1 EA
93 M-7M8227 Gasket 2 EA
94 M-7S8767 Gasket - Water Lines Group 2 EA
95 M-9M2406 1 EA
96 M-9M2414 1 EA
97 M-7C9710 Gasket 1 EA
98 M-3J7354 Seal - O-ring 24 EA
99 M-8C3100 Seal - Water Pump 1 EA
100 M-5P4889 Seal - O-ring 1 EA
101 M-4H5952 Gasket 2 EA
102 M-6B831 Gasket 1 EA
103 M-6F9163 Washer - Oil Filter 3 EA
104 M-8F6647 Gasket 1 EA
105 M-8M4991 Seal - O-ring 4 EA
106 M-8M5249 Seal - O-ring 1 EA
107 M-8M5521 Gasket - Shutoff 1 EA
108 M-8M5661 Seal - O-ring 1 EA
109 M-9F5940 Gasket 1 EA
110 M-9F7177 Gasket 1 EA
111 M-2S1509 Seal - Crankshaft - Front 1 EA
112 M-6H1995 Seal - O-ring 4 EA
113 M-2S6151 Gasket 1 EA
114 M-5M1817 1 EA
115 M-5M4060 Lock 1 EA
116 M-5M9735 Seal - Arm Assy 1 EA
117 M-5M9740 1 EA
118 M-6F9163 Washer - Oil Filter 1 EA
119 M-8M1875 2 EA
120 M-9S746 Gasket 1 EA
121 M-0L364 Lock 14 EA
122 M-1A2024 Gasket 1 EA
123 M-9F7177 Gasket 1 EA
124 M-1H8171 Seal - Hydraulic 1 EA
125 M-1M6724 Gasket - Oil Pan 1 EA
126 M-1M6831 Lock - Nut 3 EA
127 M-2B1738 Lock - Screw 4 EA
128 M-2M4071 1 EA
129 M-2M9189 Gasket - Oil Change Group 1 EA
130 M-2M9222 Gasket 2 EA
131 M-3H7311 Gasket 1 EA
132 M-3S3978 Seal - Marine Gear 18 EA
133 M-3S5496 Seal - O-ring 1 EA
134 M-9M2677 10 EA
135 M-4F3956 Gasket 2 EA
136 M-4M78 Gasket - Oil Pan 1 EA
137 M-4M4460 Gasket 1 EA
138 M-5P8210 Seal - O-ring 1 EA
139 M-7M7667 1 EA
140 M-8F8682 Lock - Screw 2 EA
141 M-8F8683 Lock - Screw 1 EA
142 M-8M5266 Seal - O-ring 1 EA
143 M-9M2678 Gasket 1 EA
144 M-9F5940 Gasket 1 EA
145 M-9M3210 Gasket - Side Cover 1 EA
146 M-6F6673 Seal - O-ring 1 EA
147 M-8S8874 Lock - Nut 1 EA
148 M-5H7370 Seal - O-ring 1 EA
149 M-5H7376 Gasket - Oil Filler - Breather 1 EA
150 M-2S4750 Gasket - Acc Cover 1 EA
151 M-1S7107 Gasket 1 EA
152 M-1S7390 Seal - Hydraulic 1 EA
153 M-2H3931 Seal - O-ring 1 EA
154 M-9M3711 1 EA
155 M-4F8824 Seal - Hydraulic 2 EA
156 M-5F3092 Seal - Planetary 2 EA
157 M-8H2778 Gasket - Fuel Filter 1 EA
158 M-8M4432 Seal - O-ring 1 EA
159 M-9M2610 Gasket - Oil Filter 4 EA
160 M-9S4671 Oil Seal 1 EA
161 M-0L364 Lock 6 EA
162 M-1M9745 Gasket 1 EA
163 M-2B1738 Lock - Screw 1 EA
164 M-2M4453 Seal - O-ring 1 EA
165 M-1M556 Seal - O-ring 1 EA
166 M-2S1218 Gasket 1 EA
167 M-2S4080 Gasket 1 EA
168 M-3H5175 Gasket - Air Comp 1 EA
169 M-5H8848 Seal - O-ring 1 EA
170 M-5M9416 Gasket 1 EA
171 M-5M9420 Gasket 1 EA
172 M-6F4868 Washer - Oil Pan 1 EA
173 M-6L1883 Gasket - Governor 1 EA
174 M-7S3247 Gasket 1 EA
175 M-7S3257 1 EA
176 M-2A4448 Gasket 1 EA
177 M-7S8758 Seal - O-ring 2 EA
178 M-8M7065 Gasket - Air Comp 2 EA
179 M-8M7106 1 EA
180 M-9N3281 Gasket 1 EA
181 M-9S712 Lock 1 EA
182 M-9S723 Lock 1 EA
183 M-9S4128 Gasket 1 EA
184 M-4H7869 Gasket - Starter 1 EA
185 M-7M7205 Lock 5 EA
186 M-3H4119 Lock - Nut 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