1693021 | Caterpillar D343/D346/D348/D349 Major Overhaul Gasket Set, New

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1693021 | 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: MCB1693021 — Gasket Kit - Major Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-2H3933 Seal - Hydraulic 1 EA
2 M-7M4844 Gasket 2 EA
3 M-7M7205 Lock 5 EA
4 M-9L5418 1 EA
5 M-5M9136 Lock - Flywheel Housing 1 EA
6 M-7M4843 Lock - Bolt 1 EA
7 M-9M1367 Lock - Bolt 1 EA
8 M-6L3184 Gasket 1 EA
9 M-9S723 Lock 1 EA
10 M-5H3204 Lock 16 EA
11 M-2M4453 Seal - O-ring 1 EA
12 M-5M9419 Gasket 1 EA
13 M-9S8695 Gasket 1 EA
14 M-4H7869 Gasket - Starter 1 EA
15 M-9L4974 1 EA
16 M-5M1902 Gasket 1 EA
17 M-6L4915 Gasket 1 EA
18 M-7M969 Washer - Lock 1 EA
19 M-9M909 1 EA
20 M-9N3281 Gasket 1 EA
21 M-5S3903 Seal - Crankshaft - Rear 1 EA
22 M-5H7376 Gasket - Oil Filler - Breather 1 EA
23 M-0L364 Lock 52 EA
24 M-7M7273 Gasket - Turbocharger 2 EA
25 M-9S5746 Ferrule - Water Director Seal 24 EA
26 M-1P6857 Gasket 2 EA
28 M-2H3088 Seal - O-ring 2 EA
29 M-2S4078 Seal - Hydraulic 4 EA
30 M-5F3181 Gasket 1 EA
31 M-6F9163 Washer - Oil Filter 1 EA
32 M-3H3385 Seal - Hydraulic 1 EA
33 M-9H6067 Seal - O-ring 1 EA
34 M-2M6203 Gasket 6 EA
35 M-6L4907 Gasket 2 EA
36 M-2M8016 Gasket 1 EA
37 M-5M1868 Seal - O-ring 6 EA
38 M-7M7224 Gasket 1 EA
39 M-7M7226 Gasket 1 EA
40 M-8M5266 Seal - O-ring 1 EA
41 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
42 M-3S5496 Seal - O-ring 2 EA
43 M-3S7609 1 EA
44 M-7F8267 Seal - O-ring 1 EA
45 M-3S7695 1 EA
46 M-3S7781 Gasket - Transfer Case 1 EA
47 M-3S9686 Gasket - Cylinder Head 1 EA
48 M-4S5380 Lock 1 EA
49 M-8S9988 Shim - Head Gasket 1 EA
50 M-9S5747 Seal 24 EA
51 M-5H9144 Gasket 2 EA
52 M-4J519 Seal - O-ring 1 EA
53 M-9L4713 1 EA
54 M-9L4839 1 EA
55 M-9L5924 1 EA
56 M-8M4389 Seal - O-ring 1 EA
57 M-3P150 Gasket 1 EA
58 M-2S7472 Gasket 1 EA
59 M-8S5067 Gasket 1 EA
60 M-7F8921 1 EA
61 M-6L4951 1 EA
62 M-9L1919 1 EA
63 M-5M9738 Seal 1 EA
64 M-1N9177 Seal 1 EA
65 M-5M3535 Gasket 2 EA
66 M-1P3705 Seal - O-Ring 1 EA
67 M-2B1738 Lock - Screw 3 EA
68 M-3S1219 Seal - O-ring - Oil Cooler 2 EA
69 M-9L1539 Gasket 2 EA
70 M-4B8407 Washer - Flat 1 EA
71 M-6L5305 Gasket 1 EA
72 M-1M556 Seal - O-ring 1 EA
73 M-8M4991 Seal - O-ring 3 EA
74 M-6B7020 Gasket 1 EA
75 M-2A5328 Lock 4 EA
76 M-9L1480 Gasket - Oil Lines Group 3 EA
77 M-9M2678 Gasket 2 EA
78 M-8M5249 Seal - O-ring 1 EA
79 M-2P3760 Gasket 1 EA
80 M-2P4305 Gasket - Oil Filter 2 EA
81 M-1B2257 Seal - Oil 1 EA
82 M-9L2006 Gasket 1 EA
83 M-9N2539 Seal - Crankshaft - Group 1 EA
84 M-3H1397 1 EA
85 M-4L6729 6 EA
86 M-5M4060 Lock 1 EA
87 M-1S8976 Gasket 2 EA
88 M-9S746 Gasket 1 EA
89 M-7W7071 Gasket - Oil Cooler 3 EA
90 M-4F8386 Gasket 2 EA
91 M-4H2494 Sleeve 1 EA
92 M-5H2831 Gasket 1 EA
93 M-4L3804 Gasket 1 EA
94 M-6L3098 Gasket - Regulator Housing 1 EA
95 M-9L1505 1 EA
96 M-9L2193 1 EA
97 M-2M574 Gasket 3 EA
98 M-4F7390 Seal - O-ring 1 EA
99 M-2M8089 Gasket 2 EA
101 M-3S1889 Gasket - Water Lines Group 2 EA
102 M-3S9643 Seal - Thermostat 2 EA
103 M-6N634 Gasket 1 EA
104 M-6N2098 Gasket 1 EA
105 M-4F5639 Gasket 1 EA
106 M-3H5175 Gasket - Air Comp 1 EA
107 M-3L6768 Seal - O-ring 2 EA
108 M-4M4460 Gasket 2 EA
109 M-2H3927 Seal - Hydraulic 1 EA
110 M-2S4080 Gasket 1 EA
111 M-6F4398 1 EA
112 M-3H7311 Gasket 1 EA
113 M-8M7065 Gasket - Air Comp 3 EA
115 M-2H3931 Seal - O-ring 1 EA
116 M-4H2662 Sleeve 3 EA
117 M-9L712 1 EA
118 M-2S1218 Gasket 1 EA
119 M-4H5952 Gasket 1 EA
120 M-5L5840 Washer 23 EA
121 M-5H7113 Gasket 1 EA
122 M-9L1827 Gasket 2 EA
123 M-1S4810 Gasket - Turbocharger Oil Supp 3 EA
124 M-7M8485 Seal - O-ring 5 EA
125 M-4M8210 Lock 2 EA
126 M-1A2024 Gasket 1 EA
127 M-6L2609 Seal - Lubrication System 1 EA
128 M-8F8682 Lock - Screw 6 EA
129 M-9L1512 Gasket 2 EA
130 M-6L4911 Gasket 1 EA
131 M-9L2662 Gasket 1 EA
132 M-8M7587 Lock - Nut 2 EA
133 M-9L1576 Gasket - Oil Pan 1 EA
134 M-9M3210 Gasket - Side Cover 1 EA
135 M-9J110 Crankshaft - Sleeve - Front 1 EA
137 M-9M9405 6 EA
138 M-5B3390 1 EA
139 M-3D2824 Seal - O-ring 1 EA
140 M-5F1678 Seal - O-ring - Hydraulic 2 EA
141 M-3H1461 Seal - Power Train 1 EA
142 M-9L5935 1 EA
143 M-5H1039 Seal - O-ring 2 EA
144 M-6H3136 Sleeve 1 EA
145 M-4L8337 Seal - O-ring - Air Compressor 2 EA
146 M-1S4295 Gasket - Turbocharger 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

    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