6V2558 | Caterpillar D343/D346/D348/D349 Rear Structure Gasket Set, New

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6V2558 | 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-6V2558 — Gasket Kit - Rear Structure
Line No Kit Item No Item Name Qty UOM
1 M-0L364 Lock 2 EA
2 M-4M4419 Lock 1 EA
3 M-4M5397 1 EA
4 M-5M1868 Seal - O-ring 2 EA
5 M-5M5779 1 EA
6 M-8M4447 Seal - O-ring 1 EA
7 M-8M7587 Lock - Nut 6 EA
8 M-8M8157 Seal - O-ring 2 EA
9 M-9M1367 Lock - Bolt 1 EA
10 M-9M7962 1 EA
11 M-1P1753 1 EA
12 M-1P1754 1 EA
13 M-1P1755 1 EA
14 M-1P1756 1 EA
15 M-1P1757 Lock 1 EA
16 M-1S2665 1 EA
17 M-1S2666 6 EA
18 M-1S5772 Gasket 1 EA
19 M-2S2314 Lock 1 EA
20 M-2S2984 1 EA
21 M-7C7474 1 EA
22 M-2S4071 1 EA
23 M-2S4080 Gasket 1 EA
24 M-2S4463 Gasket 1 EA
25 M-5S4988 Lock 1 EA
26 M-5S5276 Gasket 1 EA
27 M-5S5899 Gasket 1 EA
28 M-7S9882 Lock 1 EA
29 M-8S773 Gasket 1 EA
30 M-9S7161 1 EA
31 M-4D8472 1 EA
32 M-1A7427 Lock - Nut 1 EA
33 M-1S6723 Gasket 2 EA
34 M-8M5661 Seal - O-ring 1 EA
35 M-3H3451 Nut - Lock 1 EA
36 M-4H7869 Gasket - Starter 2 EA
37 M-6H1995 Seal - O-ring 1 EA
38 M-8H1607 Seal - O-ring 1 EA
39 M-2K4472 Seal - Transfer 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.

  • 6V2558

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