6V6447 | Caterpillar D343/D346/D348/D349 Cylinder Head Gasket Set, New

Frequently Bought Together

6V6447 | 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-6V6447 — Gasket Kit - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-4F9653 Seal - Cover Group 6 EA
2 M-2M6203 Gasket 6 EA
3 M-2M8089 Gasket 1 EA
4 M-5M1868 Seal - O-ring 6 EA
5 M-5M1902 Gasket 1 EA
6 M-5M6018 Gasket 1 EA
7 M-7M1109 1 EA
8 M-7M7224 Gasket 1 EA
9 M-7M7226 Gasket 1 EA
10 M-7M7272 Gasket - Exh Manifold 1 EA
11 M-7M7667 1 EA
12 M-7B305 Seal - O-ring 1 EA
13 M-7M7668 1 EA
14 M-8M5266 Seal - O-ring 1 EA
15 M-9M2678 Gasket 1 EA
16 M-1S2021 1 EA
17 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
18 M-1S7876 Lock - Nut 2 EA
19 M-3S2912 1 EA
20 M-3S2915 1 EA
21 M-3S9686 Gasket - Cylinder Head 1 EA
22 M-7C9710 Gasket 1 EA
23 M-1P6857 Gasket 1 EA
24 M-9M5376 Gasket 1 EA
25 M-9F5940 Gasket 1 EA
26 M-1H9027 Gasket 2 EA
27 M-3H5887 Seal - Water Director 24 EA
28 M-8H9180 Seal - Lip Type 1 EA
29 M-0L364 Lock 14 EA
30 M-1M5829 Gasket - Air Lines Group 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.

  • 6V6447

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!

RECENTLY VIEWED


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