9S558 | Caterpillar D343/D346/D348/D349 Cylinder Head Gasket Set, New

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9S558 | Caterpillar D343/D346/D348/D349 Cylinder Head 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-9S558 — Gasket Kit - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-1S4810 Gasket - Turbocharger Oil Supp 4 EA
2 M-3S5496 Seal - O-ring 18 EA
3 M-3S7781 Gasket - Transfer Case 1 EA
4 M-4L8337 Seal - O-ring - Air Compressor 4 EA
5 M-4M5397 4 EA
6 M-7E8028 Gasket - Cylinder Head 2 EA
7 M-2453512 Gasket - Exh Manifold 1 EA
8 M-5M1868 Seal - O-ring 12 EA
9 M-7B9457 Lock - Nut 10 EA
10 M-1S6595 Gasket - Turbocharger Oil Supp 2 EA
11 M-7M7273 Gasket - Turbocharger 2 EA
12 M-8H1607 Seal - O-ring 2 EA
13 M-8M7587 Lock - Nut 4 EA
14 M-8M8157 Seal - O-ring 4 EA
15 M-8N8110 Gasket 2 EA
16 M-9H6067 Seal - O-ring 4 EA
17 M-9S1333 Lock - Nut 16 EA
18 M-1S7104 Seal - O-ring - Injection Hsg 2 EA
19 M-2W863 Gasket 12 EA
20 M-2N5749 Seal - Auxilary Pump 12 EA
21 MCB6B6224 Ferrule and Seal Assy 48 EA
22 M-5P5678 Seal - Stock 7 EA
23 M-2M5173 Seal - Turbocharger Flange 4 EA
24 M-2S2964 Gasket 12 EA
25 M-3H3451 Nut - Lock 2 EA
26 M-3S2891 2 EA
27 M-3S4534 Gasket 2 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.

  • 9S558

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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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