6V5963 | Caterpillar D343/D346/D348/D349 Rear Structure Gasket Set, New

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6V5963 | Caterpillar D343/D346/D348/D349 Rear Structure 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-6V5963 — Gasket Kit - Rear Structure
Line No Kit Item No Item Name Qty UOM
1 M-1A2024 Gasket 1 EA
2 M-5H6012 Seal - Lip Type 1 EA
3 M-5H8848 Seal - O-ring 1 EA
4 M-6H4209 Screw - Lock 1 EA
5 M-0L364 Lock 20 EA
6 M-0L1250 Lock 1 EA
7 M-1M6831 Lock - Nut 3 EA
8 M-1M7390 Lock 2 EA
9 M-1M9745 Gasket 1 EA
10 M-2M4453 Seal - O-ring 1 EA
11 M-4M2920 Gasket 2 EA
12 M-2A1913 Gasket 1 EA
13 M-5M1902 Gasket 1 EA
14 M-6H9849 2 EA
15 M-5M9416 Gasket 1 EA
16 M-5M9417 1 EA
17 M-5M9418 1 EA
18 M-5M9419 Gasket 1 EA
19 M-5M9420 Gasket 1 EA
20 M-5M9421 Gasket 1 EA
21 M-5M9728 Lock 1 EA
22 M-7M969 Washer - Lock 2 EA
23 M-2B1738 Lock - Screw 1 EA
24 M-7M4843 Lock - Bolt 1 EA
25 M-7M4844 Gasket 1 EA
26 M-7M7205 Lock 5 EA
27 M-7M7667 1 EA
28 M-8M7587 Lock - Nut 2 EA
29 M-9M909 2 EA
30 M-9N3281 Gasket 1 EA
31 M-1P6857 Gasket 1 EA
32 M-1S7658 Lock 1 EA
33 M-5F3106 1 EA
34 M-7S3247 Gasket 1 EA
35 M-7S3257 1 EA
36 M-9S723 Lock 1 EA
37 M-9S4128 Gasket 1 EA
38 M-4N1059 Gasket - Starter 1 EA
39 M-2A5328 Lock 6 EA
40 M-6F4868 Washer - Oil Pan 1 EA
41 M-1H6227 Seal - Hydraulic 1 EA
42 M-1H7339 Seal - O - Ring 1 EA
43 M-3H4119 Lock - Nut 1 EA
44 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.

  • 6V5963

We offer free shipping on orders $250 and above! For orders under $250, standard shipping rates apply. If you need expedited shipping such as Next Day Air or 2nd Day Air, just give us a call and one of our sales representatives will help you get the order placed within the timeline you need!

2 year warranty applies!

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Interest-Free Up To 12M

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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