6V6403 | Caterpillar 3406 Cylinder Head Gasket Set, New

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6V6403 | Caterpillar 3406 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-6V6403 — Gasket Set - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-2N8204 Gasket - Int Manifold 6 EA
2 M-2N8630 Gasket 2 EA
3 M-4N933 Gasket 1 EA
4 M-4N1156 Gasket - Regulator Housing 1 EA
5 M-5P2060 Seal - Nozzle 6 EA
6 M-1S4810 Gasket - Turbocharger Oil Supp 1 EA
7 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
8 M-3S5496 Seal - O-ring 4 EA
9 M-3S9643 Seal - Thermostat 1 EA
10 M-6I4024 Gasket - Spacer Plate 1 EA
11 M-1299452 Gasket - Exh Manifold 6 EA
12 M-3E6772 Grommet - Water 24 EA
13 M-7C307 Gasket 1 EA
14 M-1090076 Seal - O-ring 1 EA
15 M-1144427 Seal - O-ring 1 EA
16 M-1171385 Seal - Fuel Lines Group 6 EA
17 M-5P5678-6 Seal - Stock - Valve Cover 1 EA
18 CG71 PR 1 EA
19 M-6I3066 Gasket - Cylinder Head 1 EA
20 M-4F7390 Seal - O-ring 1 EA
21 M-1H1023 Seal - O-ring 6 EA
22 M-9H6067 Seal - O-ring 1 EA
23 CG71PAD 2 EA
24 LABEL 4X12 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.

  • 6V6403

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

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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